diff --git a/studio/src/Volo.Abp.Studio.Domain.Shared/Volo/Abp/Studio/AbpStudioErrorCodes.cs b/studio/src/Volo.Abp.Studio.Domain.Shared/Volo/Abp/Studio/AbpStudioErrorCodes.cs
index e687f840d7..42d041fa8e 100644
--- a/studio/src/Volo.Abp.Studio.Domain.Shared/Volo/Abp/Studio/AbpStudioErrorCodes.cs
+++ b/studio/src/Volo.Abp.Studio.Domain.Shared/Volo/Abp/Studio/AbpStudioErrorCodes.cs
@@ -25,6 +25,7 @@
         public const string DllNotFound = "AbpStudio:DllNotFound";
         public const string PackageNotFound = "AbpStudio:PackageNotFound";
         public const string FileNotFound = "AbpStudio:FileNotFound";
-        public const string IncorrectFolderName  = "AbpStudio:IncorrectFolderName ";
+        public const string IncorrectFolderName  = "AbpStudio:IncorrectFolderName";
+        public const string ModuleAlreadyInstalled = "AbpStudio:ModuleAlreadyInstalled";
     }
 }