diff --git a/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application.Contracts/LINGYUN/Abp/WorkflowManagement/Activitys/Dto/ActivityReleaseInput.cs b/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application.Contracts/LINGYUN/Abp/WorkflowManagement/Activitys/Dto/ActivityReleaseInput.cs
index f58b3287e..22ab0043d 100644
--- a/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application.Contracts/LINGYUN/Abp/WorkflowManagement/Activitys/Dto/ActivityReleaseInput.cs
+++ b/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application.Contracts/LINGYUN/Abp/WorkflowManagement/Activitys/Dto/ActivityReleaseInput.cs
@@ -1,7 +1,10 @@
-namespace LINGYUN.Abp.WorkflowManagement.Activitys
+using System.ComponentModel.DataAnnotations;
+
+namespace LINGYUN.Abp.WorkflowManagement.Activitys
 {
     public class ActivityReleaseInput
     {
+        [Required]
         public string Token { get; set; }
     }
 }
diff --git a/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application.Contracts/LINGYUN/Abp/WorkflowManagement/Activitys/Dto/GetPendingActivityInput.cs b/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application.Contracts/LINGYUN/Abp/WorkflowManagement/Activitys/Dto/GetPendingActivityInput.cs
index b7d8ed790..e2f72e3fd 100644
--- a/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application.Contracts/LINGYUN/Abp/WorkflowManagement/Activitys/Dto/GetPendingActivityInput.cs
+++ b/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application.Contracts/LINGYUN/Abp/WorkflowManagement/Activitys/Dto/GetPendingActivityInput.cs
@@ -1,11 +1,14 @@
 using System;
+using System.ComponentModel.DataAnnotations;
 
 namespace LINGYUN.Abp.WorkflowManagement.Activitys
 {
     public class GetPendingActivityInput
     {
+        [Required]
         public string ActivityName { get; set; }
 
+        [Required]
         public string WorkflowId { get; set; }
 
         public TimeSpan? Timeout { get; set; }
diff --git a/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application.Contracts/LINGYUN/Abp/WorkflowManagement/Events/Dto/EventPublishInput.cs b/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application.Contracts/LINGYUN/Abp/WorkflowManagement/Events/Dto/EventPublishInput.cs
index 14f5c791d..0b0dbd562 100644
--- a/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application.Contracts/LINGYUN/Abp/WorkflowManagement/Events/Dto/EventPublishInput.cs
+++ b/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application.Contracts/LINGYUN/Abp/WorkflowManagement/Events/Dto/EventPublishInput.cs
@@ -6,9 +6,11 @@ namespace LINGYUN.Abp.WorkflowManagement.Events
     public class EventPublishInput
     {
         [Required]
+        [StringLength(200)]
         public string EventName { get; set; }
 
         [Required]
+        [StringLength(200)]
         public string EventKey { get; set; }
 
         [Required]
diff --git a/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application.Contracts/LINGYUN/Abp/WorkflowManagement/Workflows/Dto/StepDto.cs b/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application.Contracts/LINGYUN/Abp/WorkflowManagement/Workflows/Dto/StepDto.cs
index a79cab6c6..a9347ec8c 100644
--- a/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application.Contracts/LINGYUN/Abp/WorkflowManagement/Workflows/Dto/StepDto.cs
+++ b/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application.Contracts/LINGYUN/Abp/WorkflowManagement/Workflows/Dto/StepDto.cs
@@ -1,13 +1,22 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using Volo.Abp.Data;
+using Volo.Abp.Validation;
 
 namespace LINGYUN.Abp.WorkflowManagement.Workflows
 {
     public class StepDto
     {
+        [Required]
+        [DynamicStringLength(typeof(WorkflowConsts), nameof(WorkflowConsts.MaxNameLength))]
         public string Name { get; set; }
+
+        [Required]
+        [DynamicStringLength(typeof(WorkflowConsts), nameof(WorkflowConsts.MaxStepTypeLength))]
         public string StepType { get; set; }
+
+        [DynamicStringLength(typeof(WorkflowConsts), nameof(WorkflowConsts.MaxCancelConditionLength))]
         public string CancelCondition { get; set; }
         public TimeSpan? RetryInterval { get; set; }
         public bool Saga { get; set; }
diff --git a/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application.Contracts/LINGYUN/Abp/WorkflowManagement/Workflows/Dto/WorkflowDefinitionCreateDto.cs b/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application.Contracts/LINGYUN/Abp/WorkflowManagement/Workflows/Dto/WorkflowDefinitionCreateDto.cs
index d8a4bc6ec..307ae0b09 100644
--- a/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application.Contracts/LINGYUN/Abp/WorkflowManagement/Workflows/Dto/WorkflowDefinitionCreateDto.cs
+++ b/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application.Contracts/LINGYUN/Abp/WorkflowManagement/Workflows/Dto/WorkflowDefinitionCreateDto.cs
@@ -1,4 +1,6 @@
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using Volo.Abp.Validation;
 
 namespace LINGYUN.Abp.WorkflowManagement.Workflows
 {
@@ -11,20 +13,29 @@ namespace LINGYUN.Abp.WorkflowManagement.Workflows
         /// <summary>
         /// 名称
         /// </summary>
+        [Required]
+        [DynamicStringLength(typeof(WorkflowConsts), nameof(WorkflowConsts.MaxNameLength))]
         public string Name { get; set; }
         /// <summary>
         /// 显示名称
         /// </summary>
+        [Required]
+        [DynamicStringLength(typeof(WorkflowConsts), nameof(WorkflowConsts.MaxDisplayNameLength))]
         public string DisplayName { get; set; }
         /// <summary>
         /// 描述
         /// </summary>
+        [DynamicStringLength(typeof(WorkflowConsts), nameof(WorkflowConsts.MaxDescriptionLength))] 
         public string Description { get; set; }
         /// <summary>
         /// 版本号
         /// </summary>
+        [Required]
+        [Range(1, 100)]
         public int Version { get; set; }
 
+        [Required]
+        [MinLength(1)]
         public List<StepDto> Steps { get; set; } = new List<StepDto>();
     }
 }
diff --git a/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application/LINGYUN/Abp/WorkflowManagement/Workflows/WorkflowAppService.cs b/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application/LINGYUN/Abp/WorkflowManagement/Workflows/WorkflowAppService.cs
index 0bae04835..d23e68124 100644
--- a/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application/LINGYUN/Abp/WorkflowManagement/Workflows/WorkflowAppService.cs
+++ b/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Application/LINGYUN/Abp/WorkflowManagement/Workflows/WorkflowAppService.cs
@@ -35,7 +35,9 @@ namespace LINGYUN.Abp.WorkflowManagement.Workflows
             var result = await _controller.ResumeWorkflow(id);
             if (!result)
             {
-                throw new BusinessException();
+                throw new BusinessException(
+                        WorkflowManagementErrorCodes.SuspendError,
+                        "The workflow cannot be resumed at this time. Please check the log");
             }
         }
 
@@ -65,7 +67,9 @@ namespace LINGYUN.Abp.WorkflowManagement.Workflows
             var result = await _controller.SuspendWorkflow(id);
             if (!result)
             {
-                throw new BusinessException();
+                throw new BusinessException(
+                      WorkflowManagementErrorCodes.SuspendError,
+                      "The workflow cannot be suspend at this time. Please check the log");
             }
         }
 
@@ -74,7 +78,9 @@ namespace LINGYUN.Abp.WorkflowManagement.Workflows
             var result = await _controller.TerminateWorkflow(id);
             if (!result)
             {
-                throw new BusinessException();
+                throw new BusinessException(
+                    WorkflowManagementErrorCodes.TerminateError,
+                    "The workflow cannot be terminated at this time. Please check the log");
             }
         }
     }
diff --git a/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Domain.Shared/LINGYUN/Abp/WorkflowManagement/Localization/Resources/en.json b/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Domain.Shared/LINGYUN/Abp/WorkflowManagement/Localization/Resources/en.json
index 8d6307935..f986379a3 100644
--- a/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Domain.Shared/LINGYUN/Abp/WorkflowManagement/Localization/Resources/en.json
+++ b/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Domain.Shared/LINGYUN/Abp/WorkflowManagement/Localization/Resources/en.json
@@ -7,6 +7,30 @@
     "Permission:WorkflowDef": "Definition",
     "Permission:Create": "Create",
     "Permission:Delete": "Delete",
-    "Permission:ManageSettings": "Manage Settings"
+    "Permission:ManageSettings": "Manage Settings",
+    "Workflow:10100": "Unable to restart workflow temporarily, please check log.",
+    "Workflow:10101": "Unable to suspend workflow, please check log.",
+    "Workflow:10102": "Unable to terminate workflow temporarily, please check log.",
+    "DisplayName:IsEnabled": "Is Enabled",
+    "DisplayName:Name": "Name",
+    "DisplayName:DisplayName": "DisplayName",
+    "DisplayName:Description": "Description",
+    "DisplayName:Version": "Version",
+    "DisplayName:Steps": "Steps",
+    "DisplayName:StepType": "Step Type",
+    "DisplayName:CancelCondition": "Cancel Condition",
+    "DisplayName:RetryInterval": "Retry Interval",
+    "DisplayName:NextStep": "Next Step",
+    "DisplayName:CompensateWith": "Compensates",
+    "DisplayName:Inputs": "Inputs",
+    "DisplayName:Outputs": "Outputs",
+    "DisplayName:SelectNextStep": "Select Next Step",
+    "DisplayName:EventName": "Event Name",
+    "DisplayName:EventKey": "Event Key",
+    "DisplayName:EventData": "Event Data",
+    "DisplayName:Token": "Token",
+    "DisplayName:Result": "Result",
+    "DisplayName:ActivityName": "Activity Name",
+    "DisplayName:WorkflowId": "Workflow Id"
   }
 }
\ No newline at end of file
diff --git a/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Domain.Shared/LINGYUN/Abp/WorkflowManagement/Localization/Resources/zh-Hans.json b/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Domain.Shared/LINGYUN/Abp/WorkflowManagement/Localization/Resources/zh-Hans.json
index 7579b8456..4744c7e59 100644
--- a/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Domain.Shared/LINGYUN/Abp/WorkflowManagement/Localization/Resources/zh-Hans.json
+++ b/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Domain.Shared/LINGYUN/Abp/WorkflowManagement/Localization/Resources/zh-Hans.json
@@ -7,6 +7,30 @@
     "Permission:WorkflowDef": "流程定义",
     "Permission:Create": "创建",
     "Permission:Delete": "删除",
-    "Permission:ManageSettings": "管理设置"
+    "Permission:ManageSettings": "管理设置",
+    "Workflow:10100": "暂时无法重启工作流,请检查日志.",
+    "Workflow:10101": "暂时无法暂停工作流,请检查日志.",
+    "Workflow:10102": "暂时无法终止工作流,请检查日志.",
+    "DisplayName:IsEnabled": "是否启用",
+    "DisplayName:Name": "名称",
+    "DisplayName:DisplayName": "显示名称",
+    "DisplayName:Description": "描述",
+    "DisplayName:Version": "版本",
+    "DisplayName:Steps": "节点列表",
+    "DisplayName:StepType": "步骤类型",
+    "DisplayName:CancelCondition": "终止条件",
+    "DisplayName:RetryInterval": "重试间隔",
+    "DisplayName:NextStep": "下一个节点",
+    "DisplayName:CompensateWith": "补偿节点",
+    "DisplayName:Inputs": "数据输入",
+    "DisplayName:Outputs": "数据输出",
+    "DisplayName:SelectNextStep": "选择下一步",
+    "DisplayName:EventName": "事件名称",
+    "DisplayName:EventKey": "事件标识",
+    "DisplayName:EventData": "事件数据",
+    "DisplayName:Token": "令牌",
+    "DisplayName:Result": "返回数据",
+    "DisplayName:ActivityName": "活动名称",
+    "DisplayName:WorkflowId": "工作流标识"
   }
 }
\ No newline at end of file
diff --git a/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Domain.Shared/LINGYUN/Abp/WorkflowManagement/WorkflowManagementDomainSharedModule.cs b/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Domain.Shared/LINGYUN/Abp/WorkflowManagement/WorkflowManagementDomainSharedModule.cs
index e580439ba..fc6a953ab 100644
--- a/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Domain.Shared/LINGYUN/Abp/WorkflowManagement/WorkflowManagementDomainSharedModule.cs
+++ b/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Domain.Shared/LINGYUN/Abp/WorkflowManagement/WorkflowManagementDomainSharedModule.cs
@@ -21,7 +21,7 @@ namespace LINGYUN.Abp.WorkflowManagement
             {
                 options.Resources
                     .Add<WorkflowManagementResource>()
-                    .AddVirtualJson("/Abp/WorkflowManagement/Localization/Resources");
+                    .AddVirtualJson("/LINGYUN/Abp/WorkflowManagement/Localization/Resources");
             });
 
             Configure<AbpExceptionLocalizationOptions>(options =>
diff --git a/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Domain.Shared/LINGYUN/Abp/WorkflowManagement/WorkflowManagementErrorCodes.cs b/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Domain.Shared/LINGYUN/Abp/WorkflowManagement/WorkflowManagementErrorCodes.cs
index 9d611e14e..c0d826271 100644
--- a/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Domain.Shared/LINGYUN/Abp/WorkflowManagement/WorkflowManagementErrorCodes.cs
+++ b/aspnet-core/modules/workflow/LINGYUN.Abp.WorkflowManagement.Domain.Shared/LINGYUN/Abp/WorkflowManagement/WorkflowManagementErrorCodes.cs
@@ -2,6 +2,10 @@
 {
     public static class WorkflowManagementErrorCodes
     {
-        public const string Namespace = "WorkflowManagement";
+        public const string Namespace = "Workflow";
+
+        public const string ResumeError = Namespace + ":10100";
+        public const string SuspendError = Namespace + ":10101";
+        public const string TerminateError = Namespace + ":10102";
     }
 }