diff --git a/modules/identityserver/src/Volo.Abp.IdentityServer.Domain.Shared/Volo/Abp/IdentityServer/Clients/ClientConsts.cs b/modules/identityserver/src/Volo.Abp.IdentityServer.Domain.Shared/Volo/Abp/IdentityServer/Clients/ClientConsts.cs
index d83138fd2f..312a6d70ef 100644
--- a/modules/identityserver/src/Volo.Abp.IdentityServer.Domain.Shared/Volo/Abp/IdentityServer/Clients/ClientConsts.cs
+++ b/modules/identityserver/src/Volo.Abp.IdentityServer.Domain.Shared/Volo/Abp/IdentityServer/Clients/ClientConsts.cs
@@ -8,15 +8,15 @@
 
         public const int ClientNameMaxLength = 200;
 
-        public const int ClientUriMaxLength = 2000;
+        public const int ClientUriMaxLength = 300;
 
-        public const int LogoUriMaxLength = 2000;
+        public const int LogoUriMaxLength = 300;
 
         public const int DescriptionMaxLength = 1000;
 
-        public const int FrontChannelLogoutUriMaxLength = 2000;
+        public const int FrontChannelLogoutUriMaxLength = 300;
 
-        public const int BackChannelLogoutUriMaxLength = 2000;
+        public const int BackChannelLogoutUriMaxLength = 300;
 
         public const int ClientClaimsPrefixMaxLength = 200;
 
diff --git a/modules/identityserver/src/Volo.Abp.IdentityServer.Domain.Shared/Volo/Abp/IdentityServer/Clients/ClientPropertyConsts.cs b/modules/identityserver/src/Volo.Abp.IdentityServer.Domain.Shared/Volo/Abp/IdentityServer/Clients/ClientPropertyConsts.cs
index 6535304596..44ab04e517 100644
--- a/modules/identityserver/src/Volo.Abp.IdentityServer.Domain.Shared/Volo/Abp/IdentityServer/Clients/ClientPropertyConsts.cs
+++ b/modules/identityserver/src/Volo.Abp.IdentityServer.Domain.Shared/Volo/Abp/IdentityServer/Clients/ClientPropertyConsts.cs
@@ -2,7 +2,7 @@
 {
     public class ClientPropertyConsts
     {
-        public const int KeyMaxLength = 250;
-        public const int ValueMaxLength = 2000;
+        public const int KeyMaxLength = 64;
+        public const int ValueMaxLength = 128;
     }
 }
\ No newline at end of file
diff --git a/modules/identityserver/src/Volo.Abp.IdentityServer.Domain.Shared/Volo/Abp/IdentityServer/Clients/ClientRedirectUriConsts.cs b/modules/identityserver/src/Volo.Abp.IdentityServer.Domain.Shared/Volo/Abp/IdentityServer/Clients/ClientRedirectUriConsts.cs
index d67bbea509..b04588fb27 100644
--- a/modules/identityserver/src/Volo.Abp.IdentityServer.Domain.Shared/Volo/Abp/IdentityServer/Clients/ClientRedirectUriConsts.cs
+++ b/modules/identityserver/src/Volo.Abp.IdentityServer.Domain.Shared/Volo/Abp/IdentityServer/Clients/ClientRedirectUriConsts.cs
@@ -2,6 +2,6 @@
 {
     public class ClientRedirectUriConsts
     {
-        public const int RedirectUriMaxLength = 2000;
+        public const int RedirectUriMaxLength = 200;
     }
 }
\ No newline at end of file