diff --git a/modules/identityserver/src/Volo.Abp.IdentityServer.EntityFrameworkCore/Volo/Abp/IdentityServer/EntityFrameworkCore/IdentityServerDbContextModelCreatingExtensions.cs b/modules/identityserver/src/Volo.Abp.IdentityServer.EntityFrameworkCore/Volo/Abp/IdentityServer/EntityFrameworkCore/IdentityServerDbContextModelCreatingExtensions.cs
index ac33dc9596..2c722f58ab 100644
--- a/modules/identityserver/src/Volo.Abp.IdentityServer.EntityFrameworkCore/Volo/Abp/IdentityServer/EntityFrameworkCore/IdentityServerDbContextModelCreatingExtensions.cs
+++ b/modules/identityserver/src/Volo.Abp.IdentityServer.EntityFrameworkCore/Volo/Abp/IdentityServer/EntityFrameworkCore/IdentityServerDbContextModelCreatingExtensions.cs
@@ -52,7 +52,7 @@ namespace Volo.Abp.IdentityServer.EntityFrameworkCore
                 client.HasMany(x => x.Claims).WithOne().HasForeignKey(x => x.ClientId).IsRequired();
                 client.HasMany(x => x.Properties).WithOne().HasForeignKey(x => x.ClientId).IsRequired();
 
-                client.HasIndex(x => x.ClientId).IsUnique();
+                client.HasIndex(x => x.ClientId);
             });
 
             builder.Entity<ClientGrantType>(grantType =>
@@ -173,8 +173,6 @@ namespace Volo.Abp.IdentityServer.EntityFrameworkCore
                         s => JsonConvert.DeserializeObject<Dictionary<string, string>>(s)
                     );
 
-                identityResource.HasAlternateKey(x => x.Name);
-
                 identityResource.HasMany(x => x.UserClaims).WithOne().HasForeignKey(x => x.IdentityResourceId).IsRequired();
             });
 
@@ -202,8 +200,6 @@ namespace Volo.Abp.IdentityServer.EntityFrameworkCore
                         s => JsonConvert.DeserializeObject<Dictionary<string, string>>(s)
                     );
 
-                apiResource.HasAlternateKey(x => x.Name);
-
                 apiResource.HasMany(x => x.Secrets).WithOne().HasForeignKey(x => x.ApiResourceId).IsRequired();
                 apiResource.HasMany(x => x.Scopes).WithOne().HasForeignKey(x => x.ApiResourceId).IsRequired();
                 apiResource.HasMany(x => x.UserClaims).WithOne().HasForeignKey(x => x.ApiResourceId).IsRequired();
diff --git a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/Migrations/20190910115959_Initial.Designer.cs b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/Migrations/20190918061142_Initial.Designer.cs
similarity index 99%
rename from templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/Migrations/20190910115959_Initial.Designer.cs
rename to templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/Migrations/20190918061142_Initial.Designer.cs
index 1fd604d339..2827fc559d 100644
--- a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/Migrations/20190910115959_Initial.Designer.cs
+++ b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/Migrations/20190918061142_Initial.Designer.cs
@@ -10,7 +10,7 @@ using MyCompanyName.MyProjectName.EntityFrameworkCore;
 namespace MyCompanyName.MyProjectName.Migrations
 {
     [DbContext(typeof(MyProjectNameMigrationsDbContext))]
-    [Migration("20190910115959_Initial")]
+    [Migration("20190918061142_Initial")]
     partial class Initial
     {
         protected override void BuildTargetModel(ModelBuilder modelBuilder)
@@ -640,8 +640,6 @@ namespace MyCompanyName.MyProjectName.Migrations
 
                     b.HasKey("Id");
 
-                    b.HasAlternateKey("Name");
-
                     b.ToTable("IdentityServerApiResources");
                 });
 
@@ -840,8 +838,7 @@ namespace MyCompanyName.MyProjectName.Migrations
 
                     b.HasKey("Id");
 
-                    b.HasIndex("ClientId")
-                        .IsUnique();
+                    b.HasIndex("ClientId");
 
                     b.ToTable("IdentityServerClients");
                 });
@@ -1075,8 +1072,6 @@ namespace MyCompanyName.MyProjectName.Migrations
 
                     b.HasKey("Id");
 
-                    b.HasAlternateKey("Name");
-
                     b.ToTable("IdentityServerIdentityResources");
                 });
 
diff --git a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/Migrations/20190910115959_Initial.cs b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/Migrations/20190918061142_Initial.cs
similarity index 99%
rename from templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/Migrations/20190910115959_Initial.cs
rename to templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/Migrations/20190918061142_Initial.cs
index cb7e294ea1..85fe9bcb90 100644
--- a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/Migrations/20190910115959_Initial.cs
+++ b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/Migrations/20190918061142_Initial.cs
@@ -224,7 +224,6 @@ namespace MyCompanyName.MyProjectName.Migrations
                 constraints: table =>
                 {
                     table.PrimaryKey("PK_IdentityServerApiResources", x => x.Id);
-                    table.UniqueConstraint("AK_IdentityServerApiResources_Name", x => x.Name);
                 });
 
             migrationBuilder.CreateTable(
@@ -310,7 +309,6 @@ namespace MyCompanyName.MyProjectName.Migrations
                 constraints: table =>
                 {
                     table.PrimaryKey("PK_IdentityServerIdentityResources", x => x.Id);
-                    table.UniqueConstraint("AK_IdentityServerIdentityResources_Name", x => x.Name);
                 });
 
             migrationBuilder.CreateTable(
@@ -909,8 +907,7 @@ namespace MyCompanyName.MyProjectName.Migrations
             migrationBuilder.CreateIndex(
                 name: "IX_IdentityServerClients_ClientId",
                 table: "IdentityServerClients",
-                column: "ClientId",
-                unique: true);
+                column: "ClientId");
 
             migrationBuilder.CreateIndex(
                 name: "IX_IdentityServerPersistedGrants_SubjectId_ClientId_Type",
diff --git a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/Migrations/MyProjectNameMigrationsDbContextModelSnapshot.cs b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/Migrations/MyProjectNameMigrationsDbContextModelSnapshot.cs
index b7b82e62a1..3df2d974de 100644
--- a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/Migrations/MyProjectNameMigrationsDbContextModelSnapshot.cs
+++ b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/Migrations/MyProjectNameMigrationsDbContextModelSnapshot.cs
@@ -638,8 +638,6 @@ namespace MyCompanyName.MyProjectName.Migrations
 
                     b.HasKey("Id");
 
-                    b.HasAlternateKey("Name");
-
                     b.ToTable("IdentityServerApiResources");
                 });
 
@@ -838,8 +836,7 @@ namespace MyCompanyName.MyProjectName.Migrations
 
                     b.HasKey("Id");
 
-                    b.HasIndex("ClientId")
-                        .IsUnique();
+                    b.HasIndex("ClientId");
 
                     b.ToTable("IdentityServerClients");
                 });
@@ -1073,8 +1070,6 @@ namespace MyCompanyName.MyProjectName.Migrations
 
                     b.HasKey("Id");
 
-                    b.HasAlternateKey("Name");
-
                     b.ToTable("IdentityServerIdentityResources");
                 });
 
diff --git a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations.csproj b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations.csproj
index 32d39bedaa..eed0f85e08 100644
--- a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations.csproj
+++ b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations/MyCompanyName.MyProjectName.EntityFrameworkCore.DbMigrations.csproj
@@ -10,6 +10,8 @@
   <ItemGroup>
     <Compile Remove="Migrations\20190816092925_Initial.cs" />
     <Compile Remove="Migrations\20190816092925_Initial.Designer.cs" />
+    <Compile Remove="Migrations\20190910115959_Initial.cs" />
+    <Compile Remove="Migrations\20190910115959_Initial.Designer.cs" />
   </ItemGroup>
 
   <ItemGroup>