diff --git a/apps/vben5/apps/app-antd/src/layouts/basic.vue b/apps/vben5/apps/app-antd/src/layouts/basic.vue
index c2682b198..755598abb 100644
--- a/apps/vben5/apps/app-antd/src/layouts/basic.vue
+++ b/apps/vben5/apps/app-antd/src/layouts/basic.vue
@@ -1,10 +1,10 @@
 <script lang="ts" setup>
 import type { NotificationItem } from '@vben/layouts';
 
-import { computed, ref, watch } from 'vue';
+import { computed, defineAsyncComponent, ref, watch } from 'vue';
 import { useRouter } from 'vue-router';
 
-import { AuthenticationLoginExpiredModal } from '@vben/common-ui';
+import { AuthenticationLoginExpiredModal, useVbenModal } from '@vben/common-ui';
 import { useWatermark } from '@vben/hooks';
 import { createIconifyIcon } from '@vben/icons';
 import {
@@ -24,6 +24,7 @@ import { useAuthStore } from '#/store';
 import LoginForm from '#/views/_core/authentication/login.vue';
 
 const UserSettingsIcon = createIconifyIcon('tdesign:user-setting');
+const UserLinkIcon = createIconifyIcon('material-symbols-light:link');
 
 const notifications = ref<NotificationItem[]>([]);
 
@@ -39,7 +40,21 @@ const showDot = computed(() =>
   notifications.value.some((item) => !item.isRead),
 );
 
+const [LinkUserModal, linkUserModalApi] = useVbenModal({
+  connectedComponent: defineAsyncComponent(async () => {
+    const res = await import('@abp/account');
+    return res.UserLinkModal;
+  }),
+});
+
 const menus = computed(() => [
+  {
+    handler: () => {
+      linkUserModalApi.open();
+    },
+    icon: UserLinkIcon,
+    text: $t('abp.account.linkAccount'),
+  },
   {
     handler: () => {
       replace('/account/my-settings');
@@ -75,6 +90,28 @@ function handleNoticeClear() {
 function handleMakeAll() {
   notifications.value.forEach((item) => (item.isRead = true));
 }
+
+async function handleLinkUser(token: string) {
+  const { currentUser, currentTenant } = abpStore.application!;
+  const extraQueryParams: Record<string, string> = {
+    LinkUserId: currentUser.id!,
+    LinkToken: token,
+  };
+  if (currentTenant.id) {
+    extraQueryParams.LinkTenantId = currentTenant.id;
+  }
+  // 跳转登录页,交由后端处理
+  await authStore.oidcLogin({
+    prompt: 'login',
+    extraQueryParams,
+  });
+}
+
+async function handleLinkLogin(userId: string, tenantId?: string) {
+  await authStore.linkUseLogin(userId, tenantId, () => {
+    window.location.reload();
+  });
+}
 watch(
   () => preferences.app.watermark,
   async (enable) => {
@@ -108,6 +145,7 @@ watch(
           {{ description }}
         </span>
       </div>
+      <LinkUserModal @link="handleLinkUser" @login="handleLinkLogin" />
     </template>
     <template #notification>
       <Notification
diff --git a/apps/vben5/apps/app-antd/src/locales/langs/en-US/abp.json b/apps/vben5/apps/app-antd/src/locales/langs/en-US/abp.json
index 3f2651440..bac7ca89c 100644
--- a/apps/vben5/apps/app-antd/src/locales/langs/en-US/abp.json
+++ b/apps/vben5/apps/app-antd/src/locales/langs/en-US/abp.json
@@ -79,6 +79,7 @@
   },
   "account": {
     "title": "Account",
+    "linkAccount": "Link Account",
     "settings": {
       "title": "My Settings",
       "basic": {
diff --git a/apps/vben5/apps/app-antd/src/locales/langs/zh-CN/abp.json b/apps/vben5/apps/app-antd/src/locales/langs/zh-CN/abp.json
index cd4ef5771..c59c5c05e 100644
--- a/apps/vben5/apps/app-antd/src/locales/langs/zh-CN/abp.json
+++ b/apps/vben5/apps/app-antd/src/locales/langs/zh-CN/abp.json
@@ -79,6 +79,7 @@
   },
   "account": {
     "title": "账户管理",
+    "linkAccount": "关联账户",
     "settings": {
       "title": "个人设置",
       "basic": {
diff --git a/apps/vben5/apps/app-antd/src/store/auth.ts b/apps/vben5/apps/app-antd/src/store/auth.ts
index e93399281..05e219d79 100644
--- a/apps/vben5/apps/app-antd/src/store/auth.ts
+++ b/apps/vben5/apps/app-antd/src/store/auth.ts
@@ -1,4 +1,4 @@
-import type { OAuthError, TokenResult } from '@abp/account';
+import type { OAuthError, SigninRedirectArgs, TokenResult } from '@abp/account';
 
 import type { Recordable, UserInfo } from '@vben/types';
 
@@ -47,8 +47,8 @@ export const useAuthStore = defineStore('auth', () => {
     }
   }
 
-  async function oidcLogin() {
-    await oAuthService.login();
+  async function oidcLogin(args?: SigninRedirectArgs) {
+    await oAuthService.login(args);
   }
 
   async function oidcCallback(onError?: (error: OAuthError) => void) {
@@ -114,6 +114,34 @@ export const useAuthStore = defineStore('auth', () => {
     }
   }
 
+  async function linkUseLogin(
+    userId: string,
+    tenantId?: string,
+    onSuccess?: () => Promise<void> | void,
+  ) {
+    try {
+      loginLoading.value = true;
+      const accessToken = await oAuthService.getAccessToken();
+      const user = await oAuthService.loginByLinkUser({
+        accessToken,
+        linkUserId: userId,
+        linkTenantId: tenantId,
+      });
+      return await _loginSuccess(
+        {
+          accessToken: user.access_token,
+          tokenType: user.token_type,
+          refreshToken: user.refresh_token ?? '',
+          // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+          expiresIn: user.expires_in!,
+        },
+        onSuccess,
+      );
+    } finally {
+      loginLoading.value = false;
+    }
+  }
+
   /**
    * 异步处理登录操作
    * Asynchronously handle the login process
@@ -175,7 +203,9 @@ export const useAuthStore = defineStore('auth', () => {
     if (user) {
       userInfoRes = user.profile;
     }
-    const abpConfig = await getConfigApi();
+    const abpConfig = await getConfigApi({
+      includeLocalizationResources: false,
+    });
     userInfo = {
       userId: userInfoRes.sub ?? abpConfig.currentUser.id,
       username: userInfoRes.uniqueName ?? abpConfig.currentUser.userName,
@@ -269,6 +299,7 @@ export const useAuthStore = defineStore('auth', () => {
     oidcLogin,
     oidcCallback,
     fetchUserInfo,
+    linkUseLogin,
     loginLoading,
     logout,
     refreshSession,
diff --git a/apps/vben5/apps/app-antd/src/views/_core/authentication/login.vue b/apps/vben5/apps/app-antd/src/views/_core/authentication/login.vue
index 32a11cfc0..c414aad1d 100644
--- a/apps/vben5/apps/app-antd/src/views/_core/authentication/login.vue
+++ b/apps/vben5/apps/app-antd/src/views/_core/authentication/login.vue
@@ -5,6 +5,7 @@ import type { ExtendedFormApi, VbenFormSchema } from '@vben/common-ui';
 import type { Recordable } from '@vben/types';
 
 import { computed, nextTick, onMounted, useTemplateRef } from 'vue';
+import { useRoute } from 'vue-router';
 
 import { AuthenticationLogin, useVbenModal, z } from '@vben/common-ui';
 import { useAppConfig } from '@vben/hooks';
@@ -30,6 +31,7 @@ const { auth } = useAppConfig(import.meta.env, import.meta.env.PROD);
 
 const abpStore = useAbpStore();
 const authStore = useAuthStore();
+const route = useRoute();
 
 const { isTrue } = useSettings();
 
@@ -83,6 +85,12 @@ const [ShouldChangePasswordModal, changePasswordModalApi] = useVbenModal({
 });
 async function onInit() {
   if (auth.onlyOidc === true) {
+    const query: Record<string, string> = {};
+    Object.keys(route.query).forEach((key) => {
+      if (typeof route.query[key] === 'string') {
+        query[key] = route.query[key];
+      }
+    });
     if (auth.onlyOidcHint) {
       setTimeout(() => {
         Modal.confirm({
@@ -95,16 +103,16 @@ async function onInit() {
             disabled: true,
           },
           async onOk() {
-            await authStore.oidcLogin();
+            await authStore.oidcLogin(query);
           },
         });
       }, 300);
     } else {
-      await authStore.oidcLogin();
+      await authStore.oidcLogin(query);
     }
     return;
   }
-  const abpConfig = await getConfigApi();
+  const abpConfig = await getConfigApi({ includeLocalizationResources: false });
   abpStore.setApplication(abpConfig);
   nextTick(() => {
     const formApi = login.value?.getFormApi();
diff --git a/apps/vben5/packages/@abp/account/src/api/index.ts b/apps/vben5/packages/@abp/account/src/api/index.ts
index 3810e2eb2..15b674c11 100644
--- a/apps/vben5/packages/@abp/account/src/api/index.ts
+++ b/apps/vben5/packages/@abp/account/src/api/index.ts
@@ -1,5 +1,6 @@
 export { useAccountApi } from './useAccountApi';
 export { useExternalLoginsApi } from './useExternalLoginsApi';
+export { useLinkUsersApi } from './useLinkUsersApi';
 export { useMySessionApi } from './useMySessionApi';
 export { useProfileApi } from './useProfileApi';
 export { useScanQrCodeApi } from './useScanQrCodeApi';
diff --git a/apps/vben5/packages/@abp/account/src/api/useLinkUsersApi.ts b/apps/vben5/packages/@abp/account/src/api/useLinkUsersApi.ts
new file mode 100644
index 000000000..65c3f6cf6
--- /dev/null
+++ b/apps/vben5/packages/@abp/account/src/api/useLinkUsersApi.ts
@@ -0,0 +1,54 @@
+import type { ListResultDto } from '@abp/core';
+
+import type { LinkUserDto, UnLinkUserInput } from '../types/link-user';
+
+import { useRequest } from '@abp/request';
+
+export function useLinkUsersApi() {
+  const { cancel, request } = useRequest();
+
+  /**
+   * 查询关联用户列表
+   * @returns { Promise<ListResultDto<LinkUserDto>> } 关联用户列表
+   */
+  function getListApi(): Promise<ListResultDto<LinkUserDto>> {
+    return request<ListResultDto<LinkUserDto>>('api/account/link-users', {
+      method: 'GET',
+    });
+  }
+  /**
+   * 生成关联用户Token
+   */
+  function generateLinkTokenApi(): Promise<string> {
+    return request(`api/account/link-users/generate-link-token`, {
+      method: 'POST',
+    });
+  }
+  /**
+   * 生成关联用户登录Token
+   */
+  function generateLinkLoginTokenApi(): Promise<string> {
+    return request(`api/account/link-users/generate-link-login-token`, {
+      method: 'POST',
+    });
+  }
+
+  /**
+   * 取消用户关联
+   * @param input 参数
+   */
+  function unLinkApi(input: UnLinkUserInput): Promise<void> {
+    return request(`api/account/link-users/unlink`, {
+      method: 'POST',
+      data: input,
+    });
+  }
+
+  return {
+    cancel,
+    getListApi,
+    generateLinkTokenApi,
+    generateLinkLoginTokenApi,
+    unLinkApi,
+  };
+}
diff --git a/apps/vben5/packages/@abp/account/src/components/UserLinkModal.vue b/apps/vben5/packages/@abp/account/src/components/UserLinkModal.vue
new file mode 100644
index 000000000..59a0547c9
--- /dev/null
+++ b/apps/vben5/packages/@abp/account/src/components/UserLinkModal.vue
@@ -0,0 +1,192 @@
+<script setup lang="ts">
+import type { VxeGridProps } from '@abp/ui';
+
+import type { LinkUserDto } from '../types';
+
+import { h, ref } from 'vue';
+
+import { confirm, useVbenModal } from '@vben/common-ui';
+import { $t } from '@vben/locales';
+
+import { sortby } from '@abp/core';
+import { useMessage, useVbenVxeGrid } from '@abp/ui';
+import {
+  CheckOutlined,
+  CloseOutlined,
+  DeleteOutlined,
+  LoginOutlined,
+  PlusOutlined,
+} from '@ant-design/icons-vue';
+import { Button } from 'ant-design-vue';
+
+import { useLinkUsersApi } from '../api/useLinkUsersApi';
+
+const emit = defineEmits<{
+  (event: 'link', token: string): void;
+  (event: 'login', userId: string, tenantId?: string): void;
+}>();
+
+const message = useMessage();
+const { getListApi, generateLinkTokenApi, unLinkApi } = useLinkUsersApi();
+
+const linkUsers = ref<LinkUserDto[]>([]);
+
+const [Modal, modalApi] = useVbenModal({
+  async onOpenChange(isOpen) {
+    if (isOpen) {
+      await onInit();
+    }
+  },
+  title: $t('AbpAccount.LinkUser'),
+});
+const gridOptions: VxeGridProps<LinkUserDto> = {
+  columns: [
+    {
+      align: 'left',
+      field: 'linkUserName',
+      sortable: true,
+      title: $t('AbpAccount.DisplayName:LinkUserName'),
+    },
+    {
+      align: 'left',
+      field: 'directlyLinked',
+      slots: { default: 'directlyLinked' },
+      sortable: true,
+      title: $t('AbpAccount.DisplayName:DirectlyLinked'),
+      width: 150,
+    },
+    {
+      field: 'actions',
+      fixed: 'right',
+      slots: { default: 'actions' },
+      title: $t('AbpUi.Actions'),
+      width: 220,
+    },
+  ],
+  exportConfig: {},
+  keepSource: true,
+  proxyConfig: {
+    ajax: {
+      query: async ({ page, sort }) => {
+        let items = sortby(linkUsers.value, sort.field);
+        if (sort.order === 'desc') {
+          items = items.toReversed();
+        }
+        const result = {
+          totalCount: linkUsers.value.length,
+          items: items.slice(
+            (page.currentPage - 1) * page.pageSize,
+            page.currentPage * page.pageSize,
+          ),
+        };
+        return new Promise((resolve) => {
+          resolve(result);
+        });
+      },
+    },
+    response: {
+      total: 'totalCount',
+      list: 'items',
+    },
+  },
+  sortConfig: {
+    remote: true,
+    allowBtn: true,
+  },
+  toolbarConfig: {
+    custom: true,
+    export: true,
+    zoom: true,
+  },
+};
+
+const [Grid, gridApi] = useVbenVxeGrid({
+  gridOptions,
+});
+
+async function onInit() {
+  const { items } = await getListApi();
+  linkUsers.value = items;
+  gridApi.query();
+}
+
+async function onCreatLink() {
+  confirm({
+    async beforeClose(scope) {
+      if (scope.isConfirm) {
+        const token = await generateLinkTokenApi();
+        emit('link', token);
+      }
+    },
+    centered: true,
+    content: $t('AbpAccount.LinkAccountWillBeCreateWarning'),
+    title: $t('AbpUi.AreYouSure'),
+  });
+}
+
+function onLoginByLink(record: LinkUserDto) {
+  emit('login', record.linkUserId, record.linkTenantId);
+  modalApi.close();
+}
+
+async function onDeleteLink(record: LinkUserDto) {
+  confirm({
+    async beforeClose(scope) {
+      if (scope.isConfirm) {
+        await unLinkApi({
+          userId: record.linkUserId,
+          tenantId: record.linkTenantId,
+        });
+        message.success($t('AbpUi.DeletedSuccessfully'));
+        await onInit();
+      }
+    },
+    centered: true,
+    content: $t('AbpAccount.LinkAccountWillBeDeleteWarning', [
+      record.linkUserName,
+    ]),
+    title: $t('AbpUi.AreYouSure'),
+  });
+}
+</script>
+
+<template>
+  <Modal>
+    <Grid>
+      <template #toolbar-tools>
+        <Button :icon="h(PlusOutlined)" type="primary" @click="onCreatLink">
+          {{ $t('AbpAccount.LinkUser:New') }}
+        </Button>
+      </template>
+      <template #directlyLinked="{ row }">
+        <div class="flex flex-row justify-center">
+          <CheckOutlined v-if="row.directlyLinked" class="text-green-500" />
+          <CloseOutlined v-else class="text-red-500" />
+        </div>
+      </template>
+      <template #actions="{ row }">
+        <div class="flex flex-row">
+          <Button
+            :icon="h(LoginOutlined)"
+            block
+            type="link"
+            @click="onLoginByLink(row)"
+          >
+            {{ $t('AbpAccount.LinkUser:Login') }}
+          </Button>
+          <Button
+            :icon="h(DeleteOutlined)"
+            block
+            danger
+            type="link"
+            @click="onDeleteLink(row)"
+          >
+            {{ $t('AbpUi.Delete') }}
+          </Button>
+        </div>
+      </template>
+    </Grid>
+  </Modal>
+</template>
+
+<style scoped></style>
diff --git a/apps/vben5/packages/@abp/account/src/components/index.ts b/apps/vben5/packages/@abp/account/src/components/index.ts
index 807e2f91a..3bbd032e1 100644
--- a/apps/vben5/packages/@abp/account/src/components/index.ts
+++ b/apps/vben5/packages/@abp/account/src/components/index.ts
@@ -1,3 +1,4 @@
 export { default as MyProfile } from './MyProfile.vue';
 export { default as MySetting } from './MySetting.vue';
 export { default as QrCodeLogin } from './QrCodeLogin.vue';
+export { default as UserLinkModal } from './UserLinkModal.vue';
diff --git a/apps/vben5/packages/@abp/account/src/hooks/useOAuthService.ts b/apps/vben5/packages/@abp/account/src/hooks/useOAuthService.ts
index 92e064aeb..d5e87dd90 100644
--- a/apps/vben5/packages/@abp/account/src/hooks/useOAuthService.ts
+++ b/apps/vben5/packages/@abp/account/src/hooks/useOAuthService.ts
@@ -1,4 +1,7 @@
+import type { SigninRedirectArgs, SignoutRedirectArgs } from 'oidc-client-ts';
+
 import type {
+  LinkUserTokenRequest,
   PasswordTokenRequestModel,
   PhoneNumberTokenRequest,
   QrCodeTokenRequest,
@@ -7,8 +10,12 @@ import type {
 import { userManager } from '../utils/auth';
 
 export function useOAuthService() {
-  async function login() {
-    return userManager.signinRedirect();
+  async function login(args?: SigninRedirectArgs) {
+    return userManager.signinRedirect(args);
+  }
+
+  async function loginByLinkUser(input: LinkUserTokenRequest) {
+    return userManager.signinLinkUser(input);
   }
 
   async function loginByPassword(input: PasswordTokenRequestModel) {
@@ -23,8 +30,8 @@ export function useOAuthService() {
     return userManager.signinQrCode(input);
   }
 
-  async function logout() {
-    return userManager.signoutRedirect();
+  async function logout(args?: SignoutRedirectArgs) {
+    return userManager.signoutRedirect(args);
   }
 
   async function revokeTokens() {
@@ -55,6 +62,7 @@ export function useOAuthService() {
 
   return {
     login,
+    loginByLinkUser,
     loginByPassword,
     loginBySmsCode,
     loginByQrCode,
diff --git a/apps/vben5/packages/@abp/account/src/types/index.ts b/apps/vben5/packages/@abp/account/src/types/index.ts
index 0f182a66b..dae3e2f1b 100644
--- a/apps/vben5/packages/@abp/account/src/types/index.ts
+++ b/apps/vben5/packages/@abp/account/src/types/index.ts
@@ -1,6 +1,8 @@
 export * from './account';
 export * from './bind';
 export * from './external-logins';
+export * from './link-user';
 export * from './profile';
 export * from './token';
 export * from './user';
+export type { SigninRedirectArgs } from 'oidc-client-ts';
diff --git a/apps/vben5/packages/@abp/account/src/types/link-user.ts b/apps/vben5/packages/@abp/account/src/types/link-user.ts
new file mode 100644
index 000000000..c80c605f4
--- /dev/null
+++ b/apps/vben5/packages/@abp/account/src/types/link-user.ts
@@ -0,0 +1,14 @@
+interface LinkUserDto {
+  directlyLinked: boolean;
+  linkTenantId?: string;
+  linkTenantName?: string;
+  linkUserId: string;
+  linkUserName: string;
+}
+
+interface UnLinkUserInput {
+  tenantId?: string;
+  userId: string;
+}
+
+export type { LinkUserDto, UnLinkUserInput };
diff --git a/apps/vben5/packages/@abp/account/src/types/token.ts b/apps/vben5/packages/@abp/account/src/types/token.ts
index 653b5cde8..cf06a2e11 100644
--- a/apps/vben5/packages/@abp/account/src/types/token.ts
+++ b/apps/vben5/packages/@abp/account/src/types/token.ts
@@ -38,6 +38,15 @@ interface PasswordTokenRequestModel {
   /** 用户名 */
   username: string;
 }
+/** 关联用户授权请求数据模型 */
+interface LinkUserTokenRequest {
+  /** 当前用户访问令牌 */
+  accessToken?: string;
+  /** 关联用户租户Id */
+  linkTenantId?: string;
+  /** 关联用户Id */
+  linkUserId: string;
+}
 /** 令牌撤销请求数据类型 */
 interface RevokeTokenRequest {
   /** 令牌 */
@@ -92,6 +101,7 @@ interface ShouldChangePasswordError extends OAuthError {
 }
 
 export type {
+  LinkUserTokenRequest,
   OAuthError,
   OAuthTokenRefreshModel,
   OAuthTokenResult,
diff --git a/apps/vben5/packages/@abp/account/src/utils/auth.ts b/apps/vben5/packages/@abp/account/src/utils/auth.ts
index bc15f2775..b32ca9ae9 100644
--- a/apps/vben5/packages/@abp/account/src/utils/auth.ts
+++ b/apps/vben5/packages/@abp/account/src/utils/auth.ts
@@ -1,6 +1,7 @@
 import type { Logger, UserManagerSettings } from 'oidc-client-ts';
 
 import type {
+  LinkUserTokenRequest,
   PasswordTokenRequestModel,
   PhoneNumberTokenRequest,
   QrCodeTokenRequest,
@@ -71,6 +72,28 @@ class AbpUserManager extends UserManager {
       params.set('userId', model.userId);
     }
   }
+  async signinLinkUser(params: LinkUserTokenRequest) {
+    const logger = this._logger.create('signinLinkUser');
+    const body = new URLSearchParams({
+      LinkUserId: params.linkUserId,
+      grant_type: 'link_user',
+      client_id: this.settings.client_id,
+    });
+    if (params.accessToken) {
+      body.set('access_token', params.accessToken);
+    }
+    if (params.linkTenantId) {
+      body.set('LinkTenantId', params.linkTenantId);
+    }
+    const client_secret = this.settings.client_secret;
+    if (client_secret) {
+      body.set('client_secret', client_secret);
+    }
+    this._writeUserId(body, params);
+    this._writeTenantId(body, params);
+    this._writeTwoFactorToken(body, params);
+    return await this._fetchUser(logger, body);
+  }
   async signinQrCode(params: QrCodeTokenRequest) {
     const logger = this._logger.create('signinQrCode');
     const client_secret = this.settings.client_secret;
@@ -89,7 +112,6 @@ class AbpUserManager extends UserManager {
     this._writeTwoFactorToken(body, params);
     return await this._fetchUser(logger, body);
   }
-
   override async signinResourceOwnerCredentials(
     params: PasswordTokenRequestModel,
   ) {
@@ -111,7 +133,6 @@ class AbpUserManager extends UserManager {
     this._writeChangePasswordToken(body, params);
     return await this._fetchUser(logger, body);
   }
-
   async signinSmsCode(params: PhoneNumberTokenRequest) {
     const logger = this._logger.create('signinSmsCode');
     const client_secret = this.settings.client_secret;
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/AbpAccountApplicationContractsModule.cs b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/AbpAccountApplicationContractsModule.cs
index d78983c51..0302277b5 100644
--- a/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/AbpAccountApplicationContractsModule.cs
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/AbpAccountApplicationContractsModule.cs
@@ -1,14 +1,14 @@
 using Volo.Abp.Account.Localization;
 using Volo.Abp.Localization;
-using Volo.Abp.Modularity;
+using Volo.Abp.Modularity;
 using Volo.Abp.VirtualFileSystem;
 
-namespace LINGYUN.Abp.Account;
-
-[DependsOn(
-    typeof(Volo.Abp.Account.AbpAccountApplicationContractsModule))]
-public class AbpAccountApplicationContractsModule : AbpModule
-{
+namespace LINGYUN.Abp.Account;
+
+[DependsOn(
+    typeof(Volo.Abp.Account.AbpAccountApplicationContractsModule))]
+public class AbpAccountApplicationContractsModule : AbpModule
+{
     public override void ConfigureServices(ServiceConfigurationContext context)
     {
         Configure<AbpVirtualFileSystemOptions>(options =>
@@ -22,5 +22,5 @@ public class AbpAccountApplicationContractsModule : AbpModule
                 .Get<AccountResource>()
                 .AddVirtualJson("/LINGYUN/Abp/Account/Localization/Resources");
         });
-    }
-}
+    }
+}
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/LinkUserBaseDto.cs b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/LinkUserBaseDto.cs
new file mode 100644
index 000000000..5038aefb3
--- /dev/null
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/LinkUserBaseDto.cs
@@ -0,0 +1,15 @@
+using System;
+
+namespace LINGYUN.Abp.Account.Dto;
+
+public abstract class LinkUserBaseDto
+{
+    /// <summary>
+    /// 关联用户Id
+    /// </summary>
+    public Guid UserId { get; set; }
+    /// <summary>
+    /// 关联租户Id
+    /// </summary>
+    public Guid? TenantId { get; set; }
+}
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/LinkUserDto.cs b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/LinkUserDto.cs
new file mode 100644
index 000000000..32707b87b
--- /dev/null
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/LinkUserDto.cs
@@ -0,0 +1,29 @@
+using System;
+
+namespace LINGYUN.Abp.Account.Dto;
+/// <summary>
+/// 关联用户Dto
+/// </summary>
+public class LinkUserDto
+{
+    /// <summary>
+    /// 关联用户Id
+    /// </summary>
+    public Guid LinkUserId { get; set; }
+    /// <summary>
+    /// 关联用户名
+    /// </summary>
+    public string LinkUserName { get; set; }
+    /// <summary>
+    /// 关联租户Id
+    /// </summary>
+    public Guid? LinkTenantId { get; set; }
+    /// <summary>
+    /// 关联租户名
+    /// </summary>
+    public string LinkTenantName { get; set; }
+    /// <summary>
+    /// 直接关联
+    /// </summary>
+    public bool DirectlyLinked { get; set; }
+}
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/LinkUserInput.cs b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/LinkUserInput.cs
new file mode 100644
index 000000000..37c75dfb2
--- /dev/null
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/LinkUserInput.cs
@@ -0,0 +1,15 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+
+namespace LINGYUN.Abp.Account.Dto;
+/// <summary>
+/// 关联用户Dto
+/// </summary>
+public class LinkUserInput : LinkUserBaseDto
+{
+    /// <summary>
+    /// 关联用户Token
+    /// </summary>
+    [Required]
+    public string Token { get; set; }
+}
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/UnLinkUserInput.cs b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/UnLinkUserInput.cs
new file mode 100644
index 000000000..8423f4aac
--- /dev/null
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/UnLinkUserInput.cs
@@ -0,0 +1,7 @@
+namespace LINGYUN.Abp.Account.Dto;
+/// <summary>
+/// 取消关联用户Dto
+/// </summary>
+public class UnLinkUserInput : LinkUserBaseDto
+{
+}
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/VerifyLinkTokenInput.cs b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/VerifyLinkTokenInput.cs
new file mode 100644
index 000000000..512c16f03
--- /dev/null
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/VerifyLinkTokenInput.cs
@@ -0,0 +1,14 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace LINGYUN.Abp.Account.Dto;
+/// <summary>
+/// 验证关联用户TokenDto
+/// </summary>
+public class VerifyLinkTokenInput : LinkUserBaseDto
+{
+    /// <summary>
+    /// 关联用户Token
+    /// </summary>
+    [Required]
+    public string Token { get; set; }
+}
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/VerifyLinkUserDto.cs b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/VerifyLinkUserDto.cs
new file mode 100644
index 000000000..23642f5c9
--- /dev/null
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/VerifyLinkUserDto.cs
@@ -0,0 +1,27 @@
+using System;
+
+namespace LINGYUN.Abp.Account.Dto;
+
+public class VerifyLinkUserDto
+{
+    /// <summary>
+    /// 关联用户Id
+    /// </summary>
+    public Guid? LinkUserId { get; set; }
+    /// <summary>
+    /// 关联用户名
+    /// </summary>
+    public string LinkUserName { get; set; }
+    /// <summary>
+    /// 关联租户Id
+    /// </summary>
+    public Guid? LinkTenantId { get; set; }
+    /// <summary>
+    /// 关联租户名
+    /// </summary>
+    public string LinkTenantName { get; set; }
+    /// <summary>
+    /// 是否已关联
+    /// </summary>
+    public bool IsLinked { get; set; }
+}
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/VerifyLinkUserInput.cs b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/VerifyLinkUserInput.cs
new file mode 100644
index 000000000..d406c8734
--- /dev/null
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Dto/VerifyLinkUserInput.cs
@@ -0,0 +1,5 @@
+namespace LINGYUN.Abp.Account.Dto;
+
+public class VerifyLinkUserInput : LinkUserBaseDto
+{
+}
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/IIdentityLinkUserAppService.cs b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/IIdentityLinkUserAppService.cs
new file mode 100644
index 000000000..ed1dfbbd6
--- /dev/null
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/IIdentityLinkUserAppService.cs
@@ -0,0 +1,57 @@
+using LINGYUN.Abp.Account.Dto;
+using System.Threading.Tasks;
+using Volo.Abp.Application.Dtos;
+using Volo.Abp.Application.Services;
+
+namespace LINGYUN.Abp.Account;
+/// <summary>
+/// 关联用户应用服务接口
+/// </summary>
+public interface IIdentityLinkUserAppService : IApplicationService
+{
+    /// <summary>
+    /// 关联用户
+    /// </summary>
+    /// <param name="input"></param>
+    /// <returns></returns>
+    Task LinkAsync(LinkUserInput input);
+    /// <summary>
+    /// 取消关联用户
+    /// </summary>
+    /// <param name="input"></param>
+    /// <returns></returns>
+    Task UnlinkAsync(UnLinkUserInput input);
+    /// <summary>
+    /// 生成关联用户Token
+    /// </summary>
+    /// <returns></returns>
+    Task<string> GenerateLinkTokenAsync();
+    /// <summary>
+    /// 生成关联用户登录Token
+    /// </summary>
+    /// <returns></returns>
+    Task<string> GenerateLinkLoginTokenAsync();
+    /// <summary>
+    /// 获取已关联用户列表
+    /// </summary>
+    /// <returns></returns>
+    Task<ListResultDto<LinkUserDto>> GetListAsync();
+    /// <summary>
+    /// 验证关联用户
+    /// </summary>
+    /// <param name="input"></param>
+    /// <returns></returns>
+    Task<VerifyLinkUserDto> VerifyLinkUserAsync(VerifyLinkUserInput input);
+    /// <summary>
+    /// 验证关联用户Token
+    /// </summary>
+    /// <param name="input"></param>
+    /// <returns></returns>
+    Task<bool> VerifyLinkTokenAsync(VerifyLinkTokenInput input);
+    /// <summary>
+    /// 验证关联用户登录Token
+    /// </summary>
+    /// <param name="input"></param>
+    /// <returns></returns>
+    Task<bool> VerifyLinkLoginTokenAsync(VerifyLinkTokenInput input);
+}
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/IMyProfileAppService.cs b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/IMyProfileAppService.cs
index 05f39b352..9a9ec4c1f 100644
--- a/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/IMyProfileAppService.cs
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/IMyProfileAppService.cs
@@ -1,5 +1,4 @@
 using LINGYUN.Abp.Identity;
-using System;
 using System.Threading.Tasks;
 using Volo.Abp.Application.Dtos;
 using Volo.Abp.Application.Services;
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Localization/Resources/en.json b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Localization/Resources/en.json
index daf6584b7..c9d9c61fc 100644
--- a/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Localization/Resources/en.json
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Localization/Resources/en.json
@@ -17,6 +17,8 @@
     "DisplayName:AuthenticatorCode": "Authenticator Code",
     "DisplayName:PhoneNumber": "Phone Number",
     "DisplayName:Code": "Code",
+    "DisplayName:LinkUserName": "User Name",
+    "DisplayName:DirectlyLinked": "Directly Linked",
     "TwoFactor": "Two factor authentication",
     "TwoFactor:Enabled": "TwoFactor Enabled",
     "TwoFactor:Email": "Email",
@@ -67,6 +69,15 @@
     "CancelBindWarningMessage": "After unbinding, you will not be able to use an external identity. If you log in through this method, your session will be logged out!",
     "EmailConfirm": "Email Confirm",
     "AvatarChanged": "Avatar Changed",
-    "ClickToValidation": "Click To Validation"
+    "ClickToValidation": "Click To Validation",
+    "LinkUser": "Link User",
+    "LinkUser:New": "New Link User",
+    "LinkUser:Login": "Log in with this account",
+    "LinkAccountWarning": "Please note that you are linking to other accounts, <a href=\"{0}\">Click here</a> to cancel the link login!",
+    "LinkAccountWillBeCreateWarning": "You will log out from your current account and then log in with another account. After completing the login process, the two accounts will be linked together.",
+    "LinkAccountWillBeDeleteWarning": "Are you sure you want to delete the associated account \"{0}\"?",
+    "LinkLogged": "Accounts are linked",
+    "StayWithCurrentAccount": "Stay with the current account",
+    "Settings:Identity.Account": "Account"
   }
 }
\ No newline at end of file
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Localization/Resources/zh-Hans.json b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Localization/Resources/zh-Hans.json
index 7325b8892..64de06182 100644
--- a/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Localization/Resources/zh-Hans.json
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application.Contracts/LINGYUN/Abp/Account/Localization/Resources/zh-Hans.json
@@ -17,6 +17,8 @@
     "DisplayName:AuthenticatorCode": "验证代码",
     "DisplayName:PhoneNumber": "手机号码",
     "DisplayName:Code": "验证码",
+    "DisplayName:LinkUserName": "用户名",
+    "DisplayName:DirectlyLinked": "直接关联",
     "TwoFactor": "双因素身份验证",
     "TwoFactor:Enabled": "启用双因素认证",
     "TwoFactor:Email": "邮箱验证",
@@ -67,6 +69,15 @@
     "CancelBindWarningMessage": "解除绑定后将无法使用外部身份,如果你通过此方式登录,你的会话将被注销!",
     "EmailConfirm": "确认邮件",
     "AvatarChanged": "变更头像",
-    "ClickToValidation": "点击去验证"
+    "ClickToValidation": "点击去验证",
+    "LinkUser": "关联账户",
+    "LinkUser:New": "新关联账户",
+    "LinkUser:Login": "以该账号登录",
+    "LinkAccountWarning": "请注意,你正在关联到其他帐户,<a href=\"{0}\">单击此处</a>取消链接关联!",
+    "LinkAccountWillBeCreateWarning": "您将从当前账户退出,然后用另一个账户登录.完成登录后,两个账户将被关联起来.",
+    "LinkAccountWillBeDeleteWarning": "您确定要删除关联帐户\"{0}\"吗?",
+    "LinkLogged": "帐户已经关联",
+    "StayWithCurrentAccount": "继续使用当前帐户",
+    "Settings:Identity.Account": "用户账户"
   }
 }
\ No newline at end of file
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Application/LINGYUN/Abp/Account/IdentityLinkUserAppService.cs b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application/LINGYUN/Abp/Account/IdentityLinkUserAppService.cs
new file mode 100644
index 000000000..34bc88cad
--- /dev/null
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Application/LINGYUN/Abp/Account/IdentityLinkUserAppService.cs
@@ -0,0 +1,170 @@
+using LINGYUN.Abp.Account.Dto;
+using Microsoft.AspNetCore.Authorization;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Volo.Abp;
+using Volo.Abp.Application.Dtos;
+using Volo.Abp.Identity;
+using Volo.Abp.MultiTenancy;
+using Volo.Abp.Users;
+
+namespace LINGYUN.Abp.Account;
+
+[Authorize]
+public class IdentityLinkUserAppService : AccountApplicationServiceBase, IIdentityLinkUserAppService
+{
+    protected IdentityLinkUserManager IdentityLinkUserManager { get; }
+
+    protected ITenantStore TenantStore { get; }
+
+    public IdentityLinkUserAppService(
+        IdentityLinkUserManager identityLinkUserManager,
+        ITenantStore tenantStore)
+    {
+        IdentityLinkUserManager = identityLinkUserManager;
+        TenantStore = tenantStore;
+    }
+
+    public async virtual Task<string> GenerateLinkLoginTokenAsync()
+    {
+        return await IdentityLinkUserManager.GenerateLinkTokenAsync(
+            new IdentityLinkUserInfo(CurrentUser.GetId(), CurrentTenant.Id),
+            LinkUserTokenProviderConsts.LinkUserLoginTokenPurpose);
+    }
+
+    public async virtual Task<string> GenerateLinkTokenAsync()
+    {
+        return await IdentityLinkUserManager.GenerateLinkTokenAsync(
+            new IdentityLinkUserInfo(CurrentUser.GetId(), CurrentTenant.Id),
+            LinkUserTokenProviderConsts.LinkUserTokenPurpose);
+    }
+
+    public async virtual Task<ListResultDto<LinkUserDto>> GetListAsync()
+    {
+        var identityLinkUserDtos = new List<LinkUserDto>();
+        var identityLinkUserInfo = new IdentityLinkUserInfo(CurrentUser.GetId(), CurrentTenant.Id);
+        var identityLinkUsers = await IdentityLinkUserManager.GetListAsync(identityLinkUserInfo, includeIndirect: true);
+
+        var currentUserId = CurrentUser.GetId();
+        var currentTenantId = CurrentTenant.Id;
+
+        var allActiveTenants = (await TenantStore.GetListAsync()).Where(x => x.IsActive);
+        var allIdentityLinkUserDtos = identityLinkUsers
+            .SelectMany(x => new[]
+            {
+                new LinkUserDto
+                {
+                    LinkTenantId = x.TargetTenantId,
+                    LinkUserId = x.TargetUserId,
+                    DirectlyLinked = (x.SourceTenantId == currentTenantId && x.SourceUserId == currentUserId)
+                                  || (x.TargetTenantId == currentTenantId && x.TargetUserId == currentUserId)
+                },
+                new LinkUserDto
+                {
+                    LinkTenantId = x.SourceTenantId,
+                    LinkUserId = x.SourceUserId,
+                    DirectlyLinked = (x.SourceTenantId == currentTenantId && x.SourceUserId == currentUserId)
+                                  || (x.TargetTenantId == currentTenantId && x.TargetUserId == currentUserId)
+                }
+            })
+            .Where(x => x.LinkTenantId != currentTenantId || x.LinkUserId != currentUserId)
+            .GroupBy(x => new { x.LinkTenantId, x.LinkUserId })
+            .Select(g => g.FirstOrDefault(x => x.DirectlyLinked) ?? g.First())
+            .ToList();
+
+        foreach (var identityLinkUserDto in allIdentityLinkUserDtos)
+        {
+            var linkTenant = allActiveTenants.FirstOrDefault(x => x.Id == identityLinkUserDto.LinkTenantId);
+            using (CurrentTenant.Change(linkTenant?.Id, linkTenant?.Name))
+            {
+                var linkUser = await UserManager.FindByIdAsync(identityLinkUserDto.LinkUserId.ToString());
+                if (linkUser != null)
+                {
+                    identityLinkUserDto.LinkUserName = linkUser.UserName;
+                    identityLinkUserDtos.Add(
+                        new LinkUserDto
+                        {
+                            LinkTenantId = linkTenant?.Id,
+                            LinkTenantName = linkTenant?.Name,
+                            LinkUserId = linkUser.Id,
+                            LinkUserName = linkUser.UserName,
+                            DirectlyLinked = identityLinkUserDto.DirectlyLinked,
+                        });
+                }
+            }
+        }
+
+        return new ListResultDto<LinkUserDto>(identityLinkUserDtos);
+    }
+
+    public async virtual Task LinkAsync(LinkUserInput input)
+    {
+        var identityLinkUserInfo = new IdentityLinkUserInfo(input.UserId, input.TenantId);
+        if (await IdentityLinkUserManager.VerifyLinkTokenAsync(identityLinkUserInfo, input.Token, LinkUserTokenProviderConsts.LinkUserTokenPurpose))
+        {
+            await IdentityLinkUserManager.LinkAsync(
+                new IdentityLinkUserInfo(CurrentUser.GetId(), CurrentTenant.Id),
+                identityLinkUserInfo);
+            return;
+        }
+
+        throw new BusinessException(
+            LINGYUN.Abp.Identity.IdentityErrorCodes.LinkUserTokenInValid,
+            "Link user token is invalid!");
+    }
+
+    public async virtual Task UnlinkAsync(UnLinkUserInput input)
+    {
+        await IdentityLinkUserManager.UnlinkAsync(
+            new IdentityLinkUserInfo(CurrentUser.GetId(), CurrentTenant.Id),
+            new IdentityLinkUserInfo(input.UserId, input.TenantId));
+    }
+
+    public async virtual Task<VerifyLinkUserDto> VerifyLinkUserAsync(VerifyLinkUserInput input)
+    {
+        if (await IdentityLinkUserManager.IsLinkedAsync(
+            new IdentityLinkUserInfo(CurrentUser.GetId(), CurrentTenant.Id),
+            new IdentityLinkUserInfo(input.UserId, input.TenantId),
+            includeIndirect: true))
+        {
+            using (CurrentTenant.Change(input.TenantId))
+            {
+                TenantConfiguration tenant = null;
+                if (input.TenantId.HasValue)
+                {
+                    tenant = await TenantStore.FindAsync(input.TenantId.Value);
+                }
+                var user = await UserManager.FindByIdAsync(input.UserId.ToString());
+
+                return new VerifyLinkUserDto
+                {
+                    LinkTenantId = tenant?.Id,
+                    LinkTenantName = tenant?.Name,
+                    LinkUserId = user?.Id,
+                    LinkUserName = user?.UserName,
+                    IsLinked = user != null
+                };
+            }
+        }
+        return new VerifyLinkUserDto { IsLinked = false };
+    }
+
+    [AllowAnonymous]
+    public async virtual Task<bool> VerifyLinkLoginTokenAsync(VerifyLinkTokenInput input)
+    {
+        return await IdentityLinkUserManager.VerifyLinkTokenAsync(
+            new IdentityLinkUserInfo(input.UserId, input.TenantId),
+            input.Token,
+            LinkUserTokenProviderConsts.LinkUserLoginTokenPurpose);
+    }
+
+    [AllowAnonymous]
+    public async virtual Task<bool> VerifyLinkTokenAsync(VerifyLinkTokenInput input)
+    {
+        return await IdentityLinkUserManager.VerifyLinkTokenAsync(
+            new IdentityLinkUserInfo(input.UserId, input.TenantId),
+            input.Token,
+            LinkUserTokenProviderConsts.LinkUserTokenPurpose);
+    }
+}
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.HttpApi/LINGYUN/Abp/Account/AccountController.cs b/aspnet-core/modules/account/LINGYUN.Abp.Account.HttpApi/LINGYUN/Abp/Account/AccountController.cs
index 39b222546..2aab510c0 100644
--- a/aspnet-core/modules/account/LINGYUN.Abp.Account.HttpApi/LINGYUN/Abp/Account/AccountController.cs
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.HttpApi/LINGYUN/Abp/Account/AccountController.cs
@@ -1,77 +1,77 @@
-using Microsoft.AspNetCore.Mvc;
-using System.Threading.Tasks;
-using Volo.Abp;
-using Volo.Abp.Account;
+using Microsoft.AspNetCore.Mvc;
+using System.Threading.Tasks;
+using Volo.Abp;
+using Volo.Abp.Account;
 using Volo.Abp.Application.Dtos;
-using Volo.Abp.AspNetCore.Mvc;
-
-namespace LINGYUN.Abp.Account;
-
-[RemoteService(Name = AccountRemoteServiceConsts.RemoteServiceName)]
-[Area("account")]
-[Route("api/account")]
-public class AccountController : AbpControllerBase, IAccountAppService
-{
-    protected IAccountAppService AccountAppService { get; }
-    public AccountController(
-        IAccountAppService accountAppService)
-    {
-        AccountAppService = accountAppService;
-    }
-
-    [HttpPost]
-    [Route("wechat/register")]
-    public async virtual Task RegisterAsync(WeChatRegisterDto input)
-    {
-        await AccountAppService.RegisterAsync(input);
-    }
-
-    [HttpPost]
-    [Route("phone/register")]
-    public async virtual Task RegisterAsync(PhoneRegisterDto input)
-    {
-        await AccountAppService.RegisterAsync(input);
-    }
-
-    [HttpPut]
-    [Route("phone/reset-password")]
-    public async virtual Task ResetPasswordAsync(PhoneResetPasswordDto input)
-    {
-        await AccountAppService.ResetPasswordAsync(input);
-    }
-
-    [HttpPost]
-    [Route("phone/send-signin-code")]
-    public async virtual Task SendPhoneSigninCodeAsync(SendPhoneSigninCodeDto input)
-    {
-        await AccountAppService.SendPhoneSigninCodeAsync(input);
-    }
-
-    [HttpPost]
-    [Route("email/send-signin-code")]
+using Volo.Abp.AspNetCore.Mvc;
+
+namespace LINGYUN.Abp.Account;
+
+[RemoteService(Name = AccountRemoteServiceConsts.RemoteServiceName)]
+[Area("account")]
+[Route("api/account")]
+public class AccountController : AbpControllerBase, IAccountAppService
+{
+    protected IAccountAppService AccountAppService { get; }
+    public AccountController(
+        IAccountAppService accountAppService)
+    {
+        AccountAppService = accountAppService;
+    }
+
+    [HttpPost]
+    [Route("wechat/register")]
+    public async virtual Task RegisterAsync(WeChatRegisterDto input)
+    {
+        await AccountAppService.RegisterAsync(input);
+    }
+
+    [HttpPost]
+    [Route("phone/register")]
+    public async virtual Task RegisterAsync(PhoneRegisterDto input)
+    {
+        await AccountAppService.RegisterAsync(input);
+    }
+
+    [HttpPut]
+    [Route("phone/reset-password")]
+    public async virtual Task ResetPasswordAsync(PhoneResetPasswordDto input)
+    {
+        await AccountAppService.ResetPasswordAsync(input);
+    }
+
+    [HttpPost]
+    [Route("phone/send-signin-code")]
+    public async virtual Task SendPhoneSigninCodeAsync(SendPhoneSigninCodeDto input)
+    {
+        await AccountAppService.SendPhoneSigninCodeAsync(input);
+    }
+
+    [HttpPost]
+    [Route("email/send-signin-code")]
     public async virtual Task SendEmailSigninCodeAsync(SendEmailSigninCodeDto input)
     {
         await AccountAppService.SendEmailSigninCodeAsync(input);
-    }
-
-    [HttpPost]
-    [Route("phone/send-register-code")]
-    public async virtual Task SendPhoneRegisterCodeAsync(SendPhoneRegisterCodeDto input)
-    {
-        await AccountAppService.SendPhoneRegisterCodeAsync(input);
-    }
-
-    [HttpPost]
-    [Route("phone/send-password-reset-code")]
-    public async virtual Task SendPhoneResetPasswordCodeAsync(SendPhoneResetPasswordCodeDto input)
-    {
-        await AccountAppService.SendPhoneResetPasswordCodeAsync(input);
-    }
-
-    [HttpGet]
-    [Route("two-factor-providers")]
+    }
+
+    [HttpPost]
+    [Route("phone/send-register-code")]
+    public async virtual Task SendPhoneRegisterCodeAsync(SendPhoneRegisterCodeDto input)
+    {
+        await AccountAppService.SendPhoneRegisterCodeAsync(input);
+    }
+
+    [HttpPost]
+    [Route("phone/send-password-reset-code")]
+    public async virtual Task SendPhoneResetPasswordCodeAsync(SendPhoneResetPasswordCodeDto input)
+    {
+        await AccountAppService.SendPhoneResetPasswordCodeAsync(input);
+    }
+
+    [HttpGet]
+    [Route("two-factor-providers")]
     public async virtual Task<ListResultDto<NameValue>> GetTwoFactorProvidersAsync(GetTwoFactorProvidersInput input)
     {
         return await AccountAppService.GetTwoFactorProvidersAsync(input);
-    }
-}
+    }
+}
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.HttpApi/LINGYUN/Abp/Account/IdentityLinkUserController.cs b/aspnet-core/modules/account/LINGYUN.Abp.Account.HttpApi/LINGYUN/Abp/Account/IdentityLinkUserController.cs
new file mode 100644
index 000000000..9f05614e5
--- /dev/null
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.HttpApi/LINGYUN/Abp/Account/IdentityLinkUserController.cs
@@ -0,0 +1,70 @@
+using LINGYUN.Abp.Account.Dto;
+using Microsoft.AspNetCore.Mvc;
+using System.Threading.Tasks;
+using Volo.Abp;
+using Volo.Abp.Account;
+using Volo.Abp.Application.Dtos;
+using Volo.Abp.AspNetCore.Mvc;
+
+namespace LINGYUN.Abp.Account;
+
+[RemoteService(Name = AccountRemoteServiceConsts.RemoteServiceName)]
+[Area("account")]
+[Route("api/account/link-users")]
+public class IdentityLinkUserController(IIdentityLinkUserAppService _service) : AbpControllerBase, IIdentityLinkUserAppService
+{
+    [HttpPost]
+    [Route("generate-link-login-token")]
+    public virtual Task<string> GenerateLinkLoginTokenAsync()
+    {
+        return _service.GenerateLinkLoginTokenAsync();
+    }
+
+    [HttpPost]
+    [Route("generate-link-token")]
+    public virtual Task<string> GenerateLinkTokenAsync()
+    {
+        return _service.GenerateLinkTokenAsync();
+    }
+
+    [HttpGet]
+    public virtual Task<ListResultDto<LinkUserDto>> GetListAsync()
+    {
+        return _service.GetListAsync();
+    }
+
+    [HttpPost]
+    [Route("link")]
+    public virtual Task LinkAsync(LinkUserInput input)
+    {
+        return _service.LinkAsync(input);
+    }
+
+    [HttpPost]
+    [Route("unlink")]
+    public virtual Task UnlinkAsync(UnLinkUserInput input)
+    {
+        return _service.UnlinkAsync(input);
+    }
+
+    [HttpPost]
+    [Route("verify-link-user")]
+    public virtual Task<VerifyLinkUserDto> VerifyLinkUserAsync(VerifyLinkUserInput input)
+    {
+        return _service.VerifyLinkUserAsync(input);
+    }
+
+    [HttpPost]
+    [Route("verify-link-login-token")]
+    public virtual Task<bool> VerifyLinkLoginTokenAsync(VerifyLinkTokenInput input)
+    {
+        return _service.VerifyLinkLoginTokenAsync(input);
+    }
+
+    [HttpPost]
+    [Route("verify-link-token")]
+    public virtual Task<bool> VerifyLinkTokenAsync(VerifyLinkTokenInput input)
+    {
+        return _service.VerifyLinkTokenAsync(input);
+    }
+}
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Web.OpenIddict/Controllers/AuthorizeController.cs b/aspnet-core/modules/account/LINGYUN.Abp.Account.Web.OpenIddict/Controllers/AuthorizeController.cs
index 903bf8f9b..d18dfbe92 100644
--- a/aspnet-core/modules/account/LINGYUN.Abp.Account.Web.OpenIddict/Controllers/AuthorizeController.cs
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Web.OpenIddict/Controllers/AuthorizeController.cs
@@ -6,6 +6,7 @@ using Microsoft.AspNetCore.Identity;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
+using Microsoft.Extensions.Primitives;
 using OpenIddict.Abstractions;
 using OpenIddict.Server.AspNetCore;
 using System;
@@ -46,9 +47,26 @@ public class AuthorizeController : Volo.Abp.OpenIddict.Controllers.AuthorizeCont
         //
         // For scenarios where the default authentication handler configured in the ASP.NET Core
         // authentication options shouldn't be used, a specific scheme can be specified here.
+        if (request.HasPromptValue(OpenIddictConstants.PromptValues.Login))
+        {
+            var prompt = string.Join(" ", request.GetPromptValues().Remove(OpenIddictConstants.PromptValues.Login));
+
+            var parameters = Request.HasFormContentType ?
+                Request.Form.Where(parameter => parameter.Key != OpenIddictConstants.Parameters.Prompt).ToList() :
+                Request.Query.Where(parameter => parameter.Key != OpenIddictConstants.Parameters.Prompt).ToList();
+
+            parameters.Add(KeyValuePair.Create(OpenIddictConstants.Parameters.Prompt, new StringValues(prompt)));
+
+            return Challenge(
+                authenticationSchemes: IdentityConstants.ApplicationScheme,
+                properties: new AuthenticationProperties()
+                {
+                    RedirectUri = Request.PathBase + Request.Path + QueryString.Create(parameters)
+                });
+        }
         var result = await HttpContext.AuthenticateAsync(IdentityConstants.ApplicationScheme);
         if (result is not { Succeeded: true } ||
-            ((request.HasPromptValue(OpenIddictConstants.PromptValues.Login) || request.MaxAge is 0 ||
+            ((request.MaxAge is 0 ||
               (request.MaxAge is not null && result.Properties?.IssuedUtc is not null &&
                TimeProvider.System.GetUtcNow() - result.Properties.IssuedUtc > TimeSpan.FromSeconds(request.MaxAge.Value))) &&
              TempData["IgnoreAuthenticationChallenge"] is null or false))
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Web.OpenIddict/Pages/Account/SelectAccount.cshtml.cs b/aspnet-core/modules/account/LINGYUN.Abp.Account.Web.OpenIddict/Pages/Account/SelectAccount.cshtml.cs
index 43a8490cd..7340a7219 100644
--- a/aspnet-core/modules/account/LINGYUN.Abp.Account.Web.OpenIddict/Pages/Account/SelectAccount.cshtml.cs
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Web.OpenIddict/Pages/Account/SelectAccount.cshtml.cs
@@ -233,7 +233,7 @@ public class SelectAccountModel : AccountPageModel
 
             if (RedirectUri.StartsWith("/"))
             {
-                int queryIndex = RedirectUri.IndexOf('?');
+                var queryIndex = RedirectUri.IndexOf('?');
                 if (queryIndex >= 0)
                 {
                     queryString = RedirectUri.Substring(queryIndex + 1);
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/LinkLogged.cshtml b/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/LinkLogged.cshtml
new file mode 100644
index 000000000..943d86377
--- /dev/null
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/LinkLogged.cshtml
@@ -0,0 +1,26 @@
+@page
+@using Microsoft.AspNetCore.Mvc.Localization;
+@using Volo.Abp.Account.Localization;
+@using Volo.Abp.MultiTenancy;
+@using Volo.Abp.Users;
+@model LINGYUN.Abp.Account.Web.Pages.Account.LinkLoggedModel
+@inject Volo.Abp.AspNetCore.Mvc.UI.Layout.IPageLayout PageLayout
+@inject IHtmlLocalizer<AccountResource> L
+@inject ICurrentUser CurrentUser
+@inject ICurrentTenant CurrentTenant
+@{
+    PageLayout.Content.Title = L["LinkLogged"].Value;
+}
+
+<div>
+    <div class="gap-2 d-grid">
+        <a href="@Url.Content(await Model.GetReturnUrlAsync(Model.ReturnUrl, Model.ReturnUrlHash))" class="mb-3 btn btn-primary"> @L["StayWithCurrentAccount"]</a>
+    </div>
+    <form method="post" asp-page="/Account/LinkLogged" id="linkUserLoginForm" asp-route-returnUrl="@Model.ReturnUrl" asp-route-returnUrlHash="@Model.ReturnUrlHash">
+        <input asp-for="LinkTenantId">
+        <input asp-for="LinkUserId">
+        <div class="gap-2 d-grid">
+            <abp-button class="btn-secondary">@L["LogInUsingYourProviderAccount", Model.LinkTenantAndUserName] &rarr;</abp-button>
+        </div>
+    </form>
+</div>
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/LinkLogged.cshtml.cs b/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/LinkLogged.cshtml.cs
new file mode 100644
index 000000000..47a5649ec
--- /dev/null
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/LinkLogged.cshtml.cs
@@ -0,0 +1,106 @@
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc;
+using System;
+using System.Threading.Tasks;
+using Volo.Abp.Account.Web.Pages.Account;
+using Volo.Abp.Identity;
+using Volo.Abp.Security.Claims;
+
+namespace LINGYUN.Abp.Account.Web.Pages.Account;
+
+[Authorize]
+public class LinkLoggedModel : AccountPageModel
+{
+    [BindProperty(SupportsGet = true)]
+    public string ReturnUrl { get; set; }
+
+    [BindProperty(SupportsGet = true)]
+    public string ReturnUrlHash { get; set; }
+
+    [HiddenInput]
+    [BindProperty(SupportsGet = true)]
+    public Guid LinkUserId { get; set; }
+
+    [HiddenInput]
+    [BindProperty(SupportsGet = true)]
+    public Guid? LinkTenantId { get; set; }
+
+    public string LinkTenantAndUserName { get; set; }
+
+    protected ICurrentPrincipalAccessor CurrentPrincipalAccessor => LazyServiceProvider.LazyGetRequiredService<ICurrentPrincipalAccessor>();
+    public IIdentityLinkUserAppService IdentityLinkUserAppService => LazyServiceProvider.LazyGetRequiredService<IIdentityLinkUserAppService>();
+    public IdentityDynamicClaimsPrincipalContributorCache IdentityDynamicClaimsPrincipalContributorCache => LazyServiceProvider.LazyGetRequiredService<IdentityDynamicClaimsPrincipalContributorCache>();
+
+    public virtual async Task<IActionResult> OnGetAsync()
+    {
+        var validLinkUser = await IdentityLinkUserAppService.VerifyLinkUserAsync(
+            new Dto.VerifyLinkUserInput
+            {
+                UserId = LinkUserId,
+                TenantId = LinkTenantId,
+            });
+        if (!validLinkUser.IsLinked)
+        {
+            return await RedirectToLoginPageAsync();
+        }
+        LinkTenantAndUserName = !validLinkUser.LinkTenantName.IsNullOrWhiteSpace() 
+            ? $"{validLinkUser.LinkTenantName}\\{validLinkUser.LinkUserName}" 
+            : validLinkUser.LinkUserName;
+
+        return Page();
+    }
+
+    public async virtual Task<IActionResult> OnPostAsync()
+    {
+        if (LinkUserId == CurrentUser.Id && LinkTenantId == CurrentTenant.Id)
+        {
+            return await RedirectSafelyAsync(ReturnUrl, ReturnUrlHash);
+        }
+
+        using (CurrentTenant.Change(LinkTenantId))
+        {
+            var sourceUser = await UserManager.GetByIdAsync(LinkUserId);
+            using (CurrentPrincipalAccessor.Change(await SignInManager.CreateUserPrincipalAsync(sourceUser)))
+            {
+                var validLinkUser = await IdentityLinkUserAppService.VerifyLinkUserAsync(
+                    new Dto.VerifyLinkUserInput
+                    {
+                        UserId = LinkUserId,
+                        TenantId = LinkTenantId,
+                    });
+                if (validLinkUser.IsLinked)
+                {
+                    var isPersistent = (await HttpContext.AuthenticateAsync(IdentityConstants.ApplicationScheme))?.Properties?.IsPersistent ?? false;
+                    await SignInManager.SignOutAsync();
+                    using (CurrentTenant.Change(LinkTenantId))
+                    {
+                        var targetUser = await UserManager.GetByIdAsync(LinkUserId);
+                        await SignInManager.SignInAsync(targetUser, isPersistent);
+                        await IdentityDynamicClaimsPrincipalContributorCache.ClearAsync(targetUser.Id, targetUser.TenantId);
+                    }
+
+                    return await RedirectSafelyAsync(ReturnUrl, ReturnUrlHash);
+                }
+            }
+        }
+
+        Alerts.Warning(L["Volo.Abp.Identity:InvalidToken"]);
+        return Page();
+    }
+
+    public virtual Task<string> GetReturnUrlAsync(string returnUrl, string returnUrlHash)
+    {
+        return base.GetRedirectUrlAsync(returnUrl, returnUrlHash);
+    }
+
+    protected virtual Task<IActionResult> RedirectToLoginPageAsync()
+    {
+        return Task.FromResult<IActionResult>(RedirectToPage("./Login", new
+        {
+            ReturnUrl,
+            ReturnUrlHash
+        }));
+    }
+}
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/Login.cshtml b/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/Login.cshtml
index 0cd0de615..a44496f59 100644
--- a/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/Login.cshtml
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/Login.cshtml
@@ -24,13 +24,23 @@
 }
 
 <div class="account-module-form">
+    @if (Model.IsLinkLogin)
+    {
+        <abp-alert alert-type="Warning">
+            @L["LinkAccountWarning", await Model.GetWithoutLinkReturnUrlAsync(Model.ReturnUrl, Model.ReturnUrlHash)]
+        </abp-alert>
+    }
+
     @if (Model.EnableLocalLogin)
     {
         <abp-tabs id="LoginFormTabs">
             <abp-tab title="@L["PasswordLogin"].Value" active="Model.LoginType == LoginType.Password" header-name="PasswordLogin">
                 <form method="post" class="mt-4" asp-page-handler="PasswordLogin">
-                    <input asp-for="PasswordLoginInput.ReturnUrl" />
-                    <input asp-for="PasswordLoginInput.ReturnUrlHash" />
+                    <input asp-for="ReturnUrl" />
+                    <input asp-for="ReturnUrlHash" />
+                    <input asp-for="LinkTenantId" />
+                    <input asp-for="LinkUserId" />
+                    <input asp-for="LinkToken" />
                     <div class="mb-3">
                         <label asp-for="PasswordLoginInput.UserNameOrEmailAddress" class="form-label"></label>
                         <input asp-for="PasswordLoginInput.UserNameOrEmailAddress" class="form-control" />
@@ -79,8 +89,11 @@
             </abp-tab>
             <abp-tab title="@L["PhoneNumberLogin"].Value" active="Model.LoginType == LoginType.PhoneNumber" header-name="PhoneNumberLogin">
                 <form method="post" class="mt-4" asp-page-handler="PhoneNumberLogin" id="PhoneNumberForm">
-                    <input asp-for="PhoneLoginInput.ReturnUrl" />
-                    <input asp-for="PhoneLoginInput.ReturnUrlHash" />
+                    <input asp-for="ReturnUrl" />
+                    <input asp-for="ReturnUrlHash" />
+                    <input asp-for="LinkTenantId" />
+                    <input asp-for="LinkUserId" />
+                    <input asp-for="LinkToken" />
                     <div class="mb-3">
                         <label asp-for="PhoneLoginInput.PhoneNumber" class="form-label"></label>
                         <input asp-for="PhoneLoginInput.PhoneNumber" class="form-control" id="PhoneNumberInput" />
@@ -121,8 +134,11 @@
             {
                 <abp-tab title="@L["ScanQrCodeLogin"].Value" active="Model.LoginType == LoginType.QrCode" header-name="QrCodeLogin">
                     <form method="post" class="mt-4" asp-page-handler="QrCodeLogin" id="QrCodeForm">
-                        <input asp-for="QrCodeLoginInput.ReturnUrl" />
-                        <input asp-for="QrCodeLoginInput.ReturnUrlHash" />
+                        <input asp-for="ReturnUrl" />
+                        <input asp-for="ReturnUrlHash" />
+                        <input asp-for="LinkTenantId" />
+                        <input asp-for="LinkUserId" />
+                        <input asp-for="LinkToken" />
                         <input asp-for="QrCodeLoginInput.Key" id="QrCodeKey" />
                         <div class="gap-2" style="display: flex; flex-direction: column; justify-content: center; align-items: center;">
                             <div id="QrCode"></div>
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/Login.cshtml.cs b/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/Login.cshtml.cs
index 59b8439fd..8ab17a456 100644
--- a/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/Login.cshtml.cs
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/Login.cshtml.cs
@@ -1,11 +1,15 @@
+using LINGYUN.Abp.Account.Dto;
 using LINGYUN.Abp.Account.Web.ExternalProviders;
 using LINGYUN.Abp.Account.Web.Models;
 using LINGYUN.Abp.Identity.QrCode;
 using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.DataProtection.KeyManagement;
 using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Http.Extensions;
 using Microsoft.AspNetCore.Identity;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.ModelBinding;
+using Microsoft.AspNetCore.WebUtilities;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 using MyCSharp.HttpUserAgentParser.Providers;
@@ -15,6 +19,7 @@ using System.ComponentModel.DataAnnotations;
 using System.Diagnostics;
 using System.Linq;
 using System.Security.Claims;
+using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using Volo.Abp;
 using Volo.Abp.Account.Settings;
@@ -66,8 +71,29 @@ public class LoginModel : AccountPageModel
 
     protected IIdentityUserRepository UserRepository => LazyServiceProvider.LazyGetRequiredService<IIdentityUserRepository>();
     protected IQrCodeLoginProvider QrCodeLoginProvider => LazyServiceProvider.LazyGetRequiredService<IQrCodeLoginProvider>();
+    protected ICurrentPrincipalAccessor CurrentPrincipalAccessor => LazyServiceProvider.LazyGetRequiredService<ICurrentPrincipalAccessor>();
     protected IHttpUserAgentParserProvider HttpUserAgentParserProvider => LazyServiceProvider.LazyGetRequiredService<IHttpUserAgentParserProvider>();
 
+    #region LinkUser
+
+    [HiddenInput]
+    [BindProperty(SupportsGet = true)]
+    public Guid? LinkUserId { get; set; }
+
+    [HiddenInput]
+    [BindProperty(SupportsGet = true)]
+    public Guid? LinkTenantId { get; set; }
+
+    [HiddenInput]
+    [BindProperty(SupportsGet = true)]
+    public string LinkToken { get; set; }
+
+    public bool IsLinkLogin { get; set; }
+
+    public IIdentityLinkUserAppService IdentityLinkUserAppService => LazyServiceProvider.LazyGetRequiredService<IIdentityLinkUserAppService>();
+
+    #endregion
+
     protected IExternalProviderService ExternalProviderService { get; }
     protected IAuthenticationSchemeProvider SchemeProvider { get; }
     protected AbpAccountOptions AccountOptions { get; }
@@ -89,21 +115,9 @@ public class LoginModel : AccountPageModel
     public virtual async Task<IActionResult> OnGetAsync()
     {
         LoginType = LoginType.Password;
-        PhoneLoginInput = new PhoneLoginInputModel
-        {
-            ReturnUrl = ReturnUrl,
-            ReturnUrlHash = ReturnUrlHash,
-        };
-        QrCodeLoginInput = new QrCodeLoginInputModel
-        {
-            ReturnUrl = ReturnUrl,
-            ReturnUrlHash = ReturnUrlHash,
-        };
-        PasswordLoginInput = new PasswordLoginInputModel
-        {
-            ReturnUrl = ReturnUrl,
-            ReturnUrlHash = ReturnUrlHash,
-        };
+        PhoneLoginInput = new PhoneLoginInputModel();
+        QrCodeLoginInput = new QrCodeLoginInputModel();
+        PasswordLoginInput = new PasswordLoginInputModel();
 
         AllowQrCodeLoginIfNotMobileDevice();
 
@@ -116,6 +130,20 @@ public class LoginModel : AccountPageModel
             return await OnPostExternalLogin(ExternalProviders.First().AuthenticationScheme);
         }
 
+        IsLinkLogin = await VerifyLinkTokenAsync();
+        if (IsLinkLogin && CurrentUser.IsAuthenticated)
+        {
+            await IdentitySecurityLogManager.SaveAsync(new IdentitySecurityLogContext
+            {
+                Identity = IdentitySecurityLogIdentityConsts.Identity,
+                Action = IdentitySecurityLogActionConsts.Logout
+            });
+
+            await SignInManager.SignOutAsync();
+
+            return Redirect(HttpContext.Request.GetDisplayUrl());
+        }
+
         return Page();
     }
 
@@ -140,6 +168,8 @@ public class LoginModel : AccountPageModel
 
         await IdentityOptions.SetAsync();
 
+        IsLinkLogin = await VerifyLinkTokenAsync();
+
         var result = await SignInManager.PasswordSignInAsync(
             PasswordLoginInput.UserNameOrEmailAddress,
             PasswordLoginInput.Password,
@@ -179,10 +209,15 @@ public class LoginModel : AccountPageModel
 
         Debug.Assert(user != null, nameof(user) + " != null");
 
+        if (IsLinkLogin)
+        {
+            return await HandleLinkUserLogin(user);
+        }
+
         // Clear the dynamic claims cache.
         await IdentityDynamicClaimsPrincipalContributorCache.ClearAsync(user.Id, user.TenantId);
 
-        return await RedirectSafelyAsync(PasswordLoginInput.ReturnUrl, PasswordLoginInput.ReturnUrlHash);
+        return await RedirectSafelyAsync(ReturnUrl, ReturnUrlHash);
     }
 
     public async virtual Task<IActionResult> OnPostPhoneNumberLogin(string action)
@@ -217,6 +252,11 @@ public class LoginModel : AccountPageModel
             return Page();
         }
 
+        if (IsLinkLogin)
+        {
+            return await HandleLinkUserLogin(user);
+        }
+
         await SignInManager.SignInAsync(user, PhoneLoginInput.RememberMe);
 
         await IdentitySecurityLogManager.SaveAsync(new IdentitySecurityLogContext()
@@ -229,7 +269,7 @@ public class LoginModel : AccountPageModel
         // Clear the dynamic claims cache.
         await IdentityDynamicClaimsPrincipalContributorCache.ClearAsync(user.Id, user.TenantId);
 
-        return await RedirectSafelyAsync(PhoneLoginInput.ReturnUrl, PhoneLoginInput.ReturnUrlHash);
+        return await RedirectSafelyAsync(ReturnUrl, ReturnUrlHash);
     }
 
     protected virtual void SetTenantCookies(Guid? tenantId = null)
@@ -296,6 +336,11 @@ public class LoginModel : AccountPageModel
                 return Page();
             }
 
+            if (IsLinkLogin)
+            {
+                return await HandleLinkUserLogin(user);
+            }
+
             // TODO: ��ס��¼
             await SignInManager.SignInAsync(user, true);
 
@@ -311,7 +356,7 @@ public class LoginModel : AccountPageModel
             // Clear the dynamic claims cache.
             await IdentityDynamicClaimsPrincipalContributorCache.ClearAsync(user.Id, user.TenantId);
 
-            return await RedirectSafelyAsync(QrCodeLoginInput.ReturnUrl, QrCodeLoginInput.ReturnUrlHash);
+            return await RedirectSafelyAsync(ReturnUrl, ReturnUrlHash);
         }
     }
 
@@ -398,7 +443,10 @@ public class LoginModel : AccountPageModel
             {
                 IsExternalLogin = true,
                 ExternalLoginAuthSchema = loginInfo.LoginProvider,
-                ReturnUrl = returnUrl
+                ReturnUrl = returnUrl,
+                LinkUserId,
+                LinkTenantId,
+                LinkToken
             });
         }
 
@@ -409,7 +457,10 @@ public class LoginModel : AccountPageModel
             {
                 IsExternalLogin = true,
                 ExternalLoginAuthSchema = loginInfo.LoginProvider,
-                ReturnUrl = returnUrl
+                ReturnUrl = returnUrl,
+                LinkUserId,
+                LinkTenantId,
+                LinkToken
             });
         }
 
@@ -438,9 +489,12 @@ public class LoginModel : AccountPageModel
         // �ض���˫������֤ҳ��
         return Task.FromResult<IActionResult>(RedirectToPage("SendCode", new
         {
-            returnUrl = PasswordLoginInput.ReturnUrl,
-            returnUrlHash = PasswordLoginInput.ReturnUrlHash,
-            rememberMe = PasswordLoginInput.RememberMe
+            returnUrl = ReturnUrl,
+            returnUrlHash = ReturnUrlHash,
+            rememberMe = PasswordLoginInput.RememberMe,
+            linkUserId = LinkUserId,
+            linkTenantId = LinkTenantId,
+            linkToken = LinkToken,
         }));
     }
 
@@ -535,9 +589,9 @@ public class LoginModel : AccountPageModel
 
                 return RedirectToPage("ChangePassword", new
                 {
-                    returnUrl = PasswordLoginInput.ReturnUrl,
-                    returnUrlHash = PasswordLoginInput.ReturnUrlHash,
-                    rememberMe = PasswordLoginInput.RememberMe
+                    returnUrl = ReturnUrl,
+                    returnUrlHash = ReturnUrlHash,
+                    rememberMe = PasswordLoginInput.RememberMe,
                 });
             }
         }
@@ -562,7 +616,7 @@ public class LoginModel : AccountPageModel
             return RedirectToPage("./ChangePassword", new
             {
                 ReturnUrl,
-                ReturnUrlHash
+                ReturnUrlHash,
             });
         }
 
@@ -612,17 +666,118 @@ public class LoginModel : AccountPageModel
             }
         }
     }
+
+    #region LinkUser
+
+    public async virtual Task<string> GetWithoutLinkReturnUrlAsync(string returnUrl, string returnUrlHash)
+    {
+        var redirectUrl = await base.GetRedirectUrlAsync(returnUrl, returnUrlHash);
+
+        // ʹ���������ʽ�Ƴ� LinkUser ����
+        redirectUrl = Regex.Replace(redirectUrl, @"[&?]LinkToken=[^&]*", "");
+        redirectUrl = Regex.Replace(redirectUrl, @"[&?]LinkUserId=[^&]*", "");
+        redirectUrl = Regex.Replace(redirectUrl, @"[&?]LinkTenantId=[^&]*", "");
+        redirectUrl = Regex.Replace(redirectUrl, @"[&?]linkUserId=[^&]*", "");
+        redirectUrl = Regex.Replace(redirectUrl, @"[&?]linkToken=[^&]*", "");
+
+        return redirectUrl;
+    }
+
+    protected async virtual Task<bool> VerifyLinkTokenAsync()
+    {
+        if (LinkToken.IsNullOrWhiteSpace() || !LinkUserId.HasValue)
+        {
+            if (string.IsNullOrWhiteSpace(ReturnUrl))
+            {
+                return false;
+            }
+            var queryString = QueryHelpers.ParseQuery(ReturnUrl);
+            queryString.TryGetValue("LinkToken", out var linkTokenVal);
+            queryString.TryGetValue("LinkUserId", out var linkUserIdVal);
+            queryString.TryGetValue("LinkTenantId", out var linkTenantIdVal);
+            if (!linkTokenVal.IsNullOrEmpty() && !linkUserIdVal.IsNullOrEmpty() &&
+                Guid.TryParse(linkUserIdVal.ToString(), out var linkUserId))
+            {
+                LinkToken = linkTokenVal.ToString();
+                LinkUserId = linkUserId;
+                if (Guid.TryParse(linkTenantIdVal.ToString(), out var linkTenantId))
+                {
+                    LinkTenantId = linkTenantId;
+                }
+            }
+            else
+            {
+                return false;
+            }
+        }
+        // TODO: �滻��ܶ��ڿո���ŵı������
+        LinkToken = LinkToken.Replace(" ", "+");
+        return await IdentityLinkUserAppService.VerifyLinkTokenAsync(new VerifyLinkTokenInput()
+        {
+            UserId = LinkUserId.Value,
+            TenantId = LinkTenantId,
+            Token = LinkToken
+        });
+    }
+
+
+    protected async virtual Task<IActionResult> HandleLinkUserLogin(IdentityUser user)
+    {
+        using (CurrentPrincipalAccessor.Change(await SignInManager.CreateUserPrincipalAsync(user)))
+        {
+            await IdentityLinkUserAppService.LinkAsync(new LinkUserInput
+            {
+                UserId = LinkUserId.Value,
+                TenantId = LinkTenantId,
+                Token = LinkToken
+            });
+
+            await IdentitySecurityLogManager.SaveAsync(new IdentitySecurityLogContext()
+            {
+                Identity = IdentitySecurityLogIdentityConsts.Identity,
+                UserName = user.UserName,
+                Action = "LinkUser",
+                ExtraProperties =
+                {
+                    { "LinkTenantId",  LinkTenantId },
+                    { "LinkUserId", LinkUserId }
+                }
+            });
+
+            using (CurrentTenant.Change(LinkTenantId))
+            {
+                user = await UserManager.GetByIdAsync(LinkUserId.Value);
+                using (CurrentPrincipalAccessor.Change(await SignInManager.CreateUserPrincipalAsync(user)))
+                {
+                    await IdentitySecurityLogManager.SaveAsync(new IdentitySecurityLogContext()
+                    {
+                        Identity = IdentitySecurityLogIdentityConsts.Identity,
+                        UserName = user.UserName,
+                        Action = "LinkUser",
+                        ExtraProperties =
+                        {
+                            { "LinkTenantId",  LinkTenantId },
+                            { "LinkUserId", LinkUserId }
+                        }
+                    });
+                }
+            }
+
+            return RedirectToPage("./LinkLogged", new
+            {
+                ReturnUrl,
+                ReturnUrlHash,
+                LinkUserId,
+                LinkTenantId
+            });
+        }
+    }
+
+    #endregion
 }
 
 public abstract class LoginInputModel
 {
-    [HiddenInput]
-    [BindProperty(SupportsGet = true)]
-    public string ReturnUrl { get; set; }
-
-    [HiddenInput]
-    [BindProperty(SupportsGet = true)]
-    public string ReturnUrlHash { get; set; }
 }
 
 public class PhoneLoginInputModel : LoginInputModel
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/Register.cshtml.cs b/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/Register.cshtml.cs
index 70a1e12e5..36ae6f5dc 100644
--- a/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/Register.cshtml.cs
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/Register.cshtml.cs
@@ -1,3 +1,4 @@
+using LINGYUN.Abp.Account.Dto;
 using LINGYUN.Abp.Account.Web.ExternalProviders;
 using LINGYUN.Abp.Account.Web.Models;
 using Microsoft.AspNetCore.Authentication;
@@ -46,6 +47,25 @@ public class RegisterModel : AccountPageModel
     [BindProperty(SupportsGet = true)]
     public string ExternalLoginAuthSchema { get; set; }
 
+    #region LinkUser
+    [HiddenInput]
+    [BindProperty(SupportsGet = true)]
+    public Guid? LinkUserId { get; set; }
+
+    [HiddenInput]
+    [BindProperty(SupportsGet = true)]
+    public Guid? LinkTenantId { get; set; }
+
+    [HiddenInput]
+    [BindProperty(SupportsGet = true)]
+    public string LinkToken { get; set; }
+
+    protected ICurrentPrincipalAccessor CurrentPrincipalAccessor => LazyServiceProvider.LazyGetRequiredService<ICurrentPrincipalAccessor>();
+
+    public IIdentityLinkUserAppService IdentityLinkUserAppService => LazyServiceProvider.LazyGetRequiredService<IIdentityLinkUserAppService>();
+
+    #endregion
+
     public IEnumerable<ExternalLoginProviderModel> ExternalProviders { get; set; }
     public IEnumerable<ExternalLoginProviderModel> VisibleExternalProviders => ExternalProviders.Where(x => !string.IsNullOrWhiteSpace(x.DisplayName));
     public bool EnableLocalRegister { get; set; }
@@ -146,7 +166,17 @@ public class RegisterModel : AccountPageModel
             }
             else
             {
-                await RegisterLocalUserAsync();
+                var user = await RegisterLocalUserAsync();
+
+                if (await VerifyLinkTokenAsync())
+                {
+                    await HandleLinkUserLogin(user);
+                }
+
+                await SignInManager.SignInAsync(user, isPersistent: true);
+
+                // Clear the dynamic claims cache.
+                await IdentityDynamicClaimsPrincipalContributorCache.ClearAsync(user.Id, user.TenantId);
             }
 
             return Redirect(ReturnUrl ?? "~/"); //TODO: How to ensure safety? IdentityServer requires it however it should be checked somehow!
@@ -158,7 +188,7 @@ public class RegisterModel : AccountPageModel
         }
     }
 
-    protected virtual async Task RegisterLocalUserAsync()
+    protected virtual async Task<IdentityUser> RegisterLocalUserAsync()
     {
         ValidateModel();
 
@@ -172,11 +202,7 @@ public class RegisterModel : AccountPageModel
             }
         );
 
-        var user = await UserManager.GetByIdAsync(userDto.Id);
-        await SignInManager.SignInAsync(user, isPersistent: true);
-
-        // Clear the dynamic claims cache.
-        await IdentityDynamicClaimsPrincipalContributorCache.ClearAsync(user.Id, user.TenantId);
+        return await UserManager.GetByIdAsync(userDto.Id);
     }
 
     protected virtual async Task RegisterExternalUserAsync(ExternalLoginInfo externalLoginInfo, string userName, string emailAddress)
@@ -271,6 +297,63 @@ public class RegisterModel : AccountPageModel
         return await Task.FromResult(Challenge(properties, provider));
     }
 
+    #region LinkUser
+    protected async virtual Task HandleLinkUserLogin(IdentityUser user)
+    {
+        using (CurrentPrincipalAccessor.Change(await SignInManager.CreateUserPrincipalAsync(user)))
+        {
+            await IdentityLinkUserAppService.LinkAsync(new LinkUserInput
+            {
+                UserId = LinkUserId.Value,
+                TenantId = LinkTenantId,
+                Token = LinkToken
+            });
+
+            await IdentitySecurityLogManager.SaveAsync(new IdentitySecurityLogContext()
+            {
+                Identity = IdentitySecurityLogIdentityConsts.Identity,
+                UserName = user.UserName,
+                Action = "LinkUser",
+                ExtraProperties =
+                {
+                    { "LinkTenantId",  LinkTenantId },
+                    { "LinkUserId", LinkUserId }
+                }
+            });
+
+            using (CurrentTenant.Change(LinkTenantId))
+            {
+                var targetUser = await UserManager.GetByIdAsync(LinkUserId.Value);
+                using (CurrentPrincipalAccessor.Change(await SignInManager.CreateUserPrincipalAsync(targetUser)))
+                {
+                    await IdentitySecurityLogManager.SaveAsync(new IdentitySecurityLogContext()
+                    {
+                        Identity = IdentitySecurityLogIdentityConsts.Identity,
+                        UserName = targetUser.UserName,
+                        Action = "LinkUser",
+                        ExtraProperties =
+                        {
+                            { "LinkTenantId",  LinkTenantId },
+                            { "LinkUserId", LinkUserId }
+                        }
+                    });
+                }
+            }
+        }
+    }
+
+    protected virtual async Task<bool> VerifyLinkTokenAsync()
+    {
+        return !LinkToken.IsNullOrWhiteSpace() && LinkUserId != null
+            && await IdentityLinkUserAppService.VerifyLinkTokenAsync(new VerifyLinkTokenInput
+            {
+                UserId = LinkUserId.Value,
+                TenantId = LinkTenantId,
+                Token = LinkToken
+            });
+    }
+    #endregion
+
     public class PostInput
     {
         [Required]
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/SendCode.cshtml.cs b/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/SendCode.cshtml.cs
index cc8fe74b9..5acd7c01d 100644
--- a/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/SendCode.cshtml.cs
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/SendCode.cshtml.cs
@@ -2,6 +2,7 @@ using LINGYUN.Abp.Account.Security;
 using LINGYUN.Abp.Identity.Settings;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.Rendering;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
@@ -29,6 +30,18 @@ namespace LINGYUN.Abp.Account.Web.Pages.Account
         [BindProperty(SupportsGet = true)]
         public bool RememberMe { get; set; }
 
+        [HiddenInput]
+        [BindProperty(SupportsGet = true)]
+        public Guid? LinkUserId { get; set; }
+
+        [HiddenInput]
+        [BindProperty(SupportsGet = true)]
+        public Guid? LinkTenantId { get; set; }
+
+        [HiddenInput]
+        [BindProperty(SupportsGet = true)]
+        public string LinkToken { get; set; }
+
         public IEnumerable<SelectListItem> Providers { get; set; }
 
         protected ISmsSender SmsSender { get; }
@@ -78,7 +91,7 @@ namespace LINGYUN.Abp.Account.Web.Pages.Account
                 {
                     returnUrl = ReturnUrl,
                     returnUrlHash = ReturnUrlHash,
-                    rememberMe = RememberMe
+                    rememberMe = RememberMe,
                 });
             }
             // ������֤��
@@ -116,7 +129,10 @@ namespace LINGYUN.Abp.Account.Web.Pages.Account
                 provider = Input.SelectedProvider,
                 returnUrl = ReturnUrl,
                 returnUrlHash = ReturnUrlHash,
-                rememberMe = RememberMe
+                rememberMe = RememberMe,
+                linkUserId = LinkUserId,
+                linkTenantId = LinkTenantId,
+                linkToken = LinkToken
             });
         }
     }
diff --git a/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/VerifyCode.cshtml.cs b/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/VerifyCode.cshtml.cs
index 13a63c7be..008695c12 100644
--- a/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/VerifyCode.cshtml.cs
+++ b/aspnet-core/modules/account/LINGYUN.Abp.Account.Web/Pages/Account/VerifyCode.cshtml.cs
@@ -1,10 +1,13 @@
+using LINGYUN.Abp.Account.Dto;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Logging;
+using System;
 using System.ComponentModel.DataAnnotations;
 using System.Threading.Tasks;
 using Volo.Abp.Account.Localization;
 using Volo.Abp.Account.Web.Pages.Account;
 using Volo.Abp.Identity;
+using Volo.Abp.Security.Claims;
 
 namespace LINGYUN.Abp.Account.Web.Pages.Account
 {
@@ -39,6 +42,25 @@ namespace LINGYUN.Abp.Account.Web.Pages.Account
         [BindProperty(SupportsGet = true)]
         public bool RememberMe { get; set; }
 
+        #region LinkUser
+        [HiddenInput]
+        [BindProperty(SupportsGet = true)]
+        public Guid? LinkUserId { get; set; }
+
+        [HiddenInput]
+        [BindProperty(SupportsGet = true)]
+        public Guid? LinkTenantId { get; set; }
+
+        [HiddenInput]
+        [BindProperty(SupportsGet = true)]
+        public string LinkToken { get; set; }
+
+        protected ICurrentPrincipalAccessor CurrentPrincipalAccessor => LazyServiceProvider.LazyGetRequiredService<ICurrentPrincipalAccessor>();
+
+        public IIdentityLinkUserAppService IdentityLinkUserAppService => LazyServiceProvider.LazyGetRequiredService<IIdentityLinkUserAppService>();
+
+        #endregion
+
         public VerifyCodeModel(
             IdentityDynamicClaimsPrincipalContributorCache identityDynamicClaimsPrincipalContributorCache)
         {
@@ -67,6 +89,10 @@ namespace LINGYUN.Abp.Account.Web.Pages.Account
             var result = await SignInManager.TwoFactorSignInAsync(Provider, Input.VerifyCode, RememberMe, Input.RememberBrowser);
             if (result.Succeeded)
             {
+                if (await VerifyLinkTokenAsync())
+                {
+                    await HandleLinkUserLogin(user);
+                }
                 // Clear the dynamic claims cache.
                 await IdentityDynamicClaimsPrincipalContributorCache.ClearAsync(user.Id, user.TenantId);
 
@@ -84,6 +110,63 @@ namespace LINGYUN.Abp.Account.Web.Pages.Account
                 return Page();
             }
         }
+
+        #region LinkUser
+        protected async virtual Task HandleLinkUserLogin(IdentityUser user)
+        {
+            using (CurrentPrincipalAccessor.Change(await SignInManager.CreateUserPrincipalAsync(user)))
+            {
+                await IdentityLinkUserAppService.LinkAsync(new LinkUserInput
+                {
+                    UserId = LinkUserId.Value,
+                    TenantId = LinkTenantId,
+                    Token = LinkToken
+                });
+
+                await IdentitySecurityLogManager.SaveAsync(new IdentitySecurityLogContext()
+                {
+                    Identity = IdentitySecurityLogIdentityConsts.Identity,
+                    UserName = user.UserName,
+                    Action = "LinkUser",
+                    ExtraProperties =
+                {
+                    { "LinkTenantId",  LinkTenantId },
+                    { "LinkUserId", LinkUserId }
+                }
+                });
+
+                using (CurrentTenant.Change(LinkTenantId))
+                {
+                    var targetUser = await UserManager.GetByIdAsync(LinkUserId.Value);
+                    using (CurrentPrincipalAccessor.Change(await SignInManager.CreateUserPrincipalAsync(targetUser)))
+                    {
+                        await IdentitySecurityLogManager.SaveAsync(new IdentitySecurityLogContext()
+                        {
+                            Identity = IdentitySecurityLogIdentityConsts.Identity,
+                            UserName = targetUser.UserName,
+                            Action = "LinkUser",
+                            ExtraProperties =
+                        {
+                            { "LinkTenantId",  LinkTenantId },
+                            { "LinkUserId", LinkUserId }
+                        }
+                        });
+                    }
+                }
+            }
+        }
+
+        protected virtual async Task<bool> VerifyLinkTokenAsync()
+        {
+            return !LinkToken.IsNullOrWhiteSpace() && LinkUserId != null
+                && await IdentityLinkUserAppService.VerifyLinkTokenAsync(new VerifyLinkTokenInput
+                {
+                    UserId = LinkUserId.Value,
+                    TenantId = LinkTenantId,
+                    Token = LinkToken
+                });
+        }
+        #endregion
     }
 
     public class VerifyCodeInputModel
diff --git a/aspnet-core/modules/identity/LINGYUN.Abp.Identity.Domain.Shared/LINGYUN/Abp/Identity/IdentityErrorCodes.cs b/aspnet-core/modules/identity/LINGYUN.Abp.Identity.Domain.Shared/LINGYUN/Abp/Identity/IdentityErrorCodes.cs
index 3b1f90c3b..29088a2cf 100644
--- a/aspnet-core/modules/identity/LINGYUN.Abp.Identity.Domain.Shared/LINGYUN/Abp/Identity/IdentityErrorCodes.cs
+++ b/aspnet-core/modules/identity/LINGYUN.Abp.Identity.Domain.Shared/LINGYUN/Abp/Identity/IdentityErrorCodes.cs
@@ -38,4 +38,8 @@ public class IdentityErrorCodes
     /// 密码不能与最近{0}次使用的密码相同
     /// </summary>
     public const string PasswordInHistoryInValid = "Volo.Abp.Identity:020013";
+    /// <summary>
+    /// 关联用户Token无效
+    /// </summary>
+    public const string LinkUserTokenInValid = "Volo.Abp.Identity:020014";
 }
diff --git a/aspnet-core/modules/identity/LINGYUN.Abp.Identity.Domain.Shared/LINGYUN/Abp/Identity/Localization/en.json b/aspnet-core/modules/identity/LINGYUN.Abp.Identity.Domain.Shared/LINGYUN/Abp/Identity/Localization/en.json
index 82450d78d..80d38aba9 100644
--- a/aspnet-core/modules/identity/LINGYUN.Abp.Identity.Domain.Shared/LINGYUN/Abp/Identity/Localization/en.json
+++ b/aspnet-core/modules/identity/LINGYUN.Abp.Identity.Domain.Shared/LINGYUN/Abp/Identity/Localization/en.json
@@ -54,6 +54,7 @@
     "Volo.Abp.Identity:020011": "Secondary authentication cannot be enabled when an MFA device is not attached!",
     "Volo.Abp.Identity:020012": "Invalid authenticator code!",
     "Volo.Abp.Identity:020013": "The password cannot be the same as the previous one.!",
+    "Volo.Abp.Identity:020014": "Link user token is invalid!",
     "Volo.Abp.Identity:DuplicatePhoneNumber": "Phone number '{0}' is already taken.",
     "DisplayName:Abp.Identity.User.SmsNewUserRegister": "Register sms template",
     "Description:Abp.Identity.User.SmsNewUserRegister": "When the user registers, he/she should send the template number of the SMS verification code and fill in the template number of the corresponding cloud platform registration",
diff --git a/aspnet-core/modules/identity/LINGYUN.Abp.Identity.Domain.Shared/LINGYUN/Abp/Identity/Localization/zh-Hans.json b/aspnet-core/modules/identity/LINGYUN.Abp.Identity.Domain.Shared/LINGYUN/Abp/Identity/Localization/zh-Hans.json
index 4187cf83c..2dfb6959b 100644
--- a/aspnet-core/modules/identity/LINGYUN.Abp.Identity.Domain.Shared/LINGYUN/Abp/Identity/Localization/zh-Hans.json
+++ b/aspnet-core/modules/identity/LINGYUN.Abp.Identity.Domain.Shared/LINGYUN/Abp/Identity/Localization/zh-Hans.json
@@ -54,6 +54,7 @@
     "Volo.Abp.Identity:020011": "未绑定MFA设备时无法启用二次认证!",
     "Volo.Abp.Identity:020012": "无效的验证器代码!",
     "Volo.Abp.Identity:020013": "密码不能与之前的密码相同!",
+    "Volo.Abp.Identity:020014": "关联用户Token无效!",
     "Volo.Abp.Identity:DuplicatePhoneNumber": "手机号 '{0}' 已存在.",
     "DisplayName:Abp.Identity.User.SmsNewUserRegister": "新用户注册模板",
     "Description:Abp.Identity.User.SmsNewUserRegister": "新用户通过手机注册账号验证码模板",
diff --git a/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.LinkUser/LINGYUN/Abp/OpenIddict/LinkUser/AbpOpenIddictLinkUserModule.cs b/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.LinkUser/LINGYUN/Abp/OpenIddict/LinkUser/AbpOpenIddictLinkUserModule.cs
index 90f711b1a..cc26f27c9 100644
--- a/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.LinkUser/LINGYUN/Abp/OpenIddict/LinkUser/AbpOpenIddictLinkUserModule.cs
+++ b/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.LinkUser/LINGYUN/Abp/OpenIddict/LinkUser/AbpOpenIddictLinkUserModule.cs
@@ -17,6 +17,7 @@ public class AbpOpenIddictLinkUserModule : AbpModule
         PreConfigure<OpenIddictServerBuilder>(builder =>
         {
             builder.AllowLinkUserFlow();
+            builder.AddEventHandler(LinkUserAuthorizationHandler.Descriptor);
         });
     }
 
diff --git a/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.LinkUser/LINGYUN/Abp/OpenIddict/LinkUser/LinkUserAuthorizationHandler.cs b/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.LinkUser/LINGYUN/Abp/OpenIddict/LinkUser/LinkUserAuthorizationHandler.cs
new file mode 100644
index 000000000..20e07745a
--- /dev/null
+++ b/aspnet-core/modules/openIddict/LINGYUN.Abp.OpenIddict.LinkUser/LINGYUN/Abp/OpenIddict/LinkUser/LinkUserAuthorizationHandler.cs
@@ -0,0 +1,37 @@
+using Microsoft.AspNetCore;
+using OpenIddict.Server;
+using System.Linq;
+using System.Threading.Tasks;
+using static OpenIddict.Server.OpenIddictServerEvents;
+
+namespace LINGYUN.Abp.OpenIddict.LinkUser;
+
+public class LinkUserAuthorizationHandler : IOpenIddictServerHandler<ValidateAuthorizationRequestContext>
+{
+    public static OpenIddictServerHandlerDescriptor Descriptor { get; }
+        = OpenIddictServerHandlerDescriptor.CreateBuilder<ValidateAuthorizationRequestContext>()
+            .UseScopedHandler<LinkUserAuthorizationHandler>()
+            .SetOrder(2000)
+            .SetType(OpenIddictServerHandlerType.Custom)
+            .Build();
+
+    public async ValueTask HandleAsync(ValidateAuthorizationRequestContext context)
+    {
+        var request = context.Transaction.GetHttpRequest();
+        if (request == null)
+        {
+            return;
+        }
+
+        var linkUserId = request.Query["LinkUserId"].FirstOrDefault();
+        var linkToken = request.Query["LinkToken"].FirstOrDefault();
+
+        if (string.IsNullOrEmpty(linkUserId) || string.IsNullOrEmpty(linkToken))
+        {
+            return;
+        }
+
+        context.Transaction.SetProperty("LinkUserId", linkUserId);
+        context.Transaction.SetProperty("LinkToken", linkToken);
+    }
+}