diff --git a/DI/XDIHelperExtension.cs b/DI/XDIHelperExtension.cs
index 7741786..ad5b64f 100644
--- a/DI/XDIHelperExtension.cs
+++ b/DI/XDIHelperExtension.cs
@@ -208,11 +208,11 @@ namespace xServices.DI
                 isDevelopmentEnvironment: isDevelopmentEnvironment
             );
 
-            // //
-            // // Using Category Service ...
-            // app.UseXCategoryService(
-            //     isDevelopmentEnvironment: isDevelopmentEnvironment
-            // );
+            //
+            // Using Category Service ...
+            app.UseXCategoryService(
+                isDevelopmentEnvironment: isDevelopmentEnvironment
+            );
         }
 
         //
@@ -331,12 +331,12 @@ namespace xServices.DI
                 repositoryType: repositoryType
             );
 
-            // //
-            // // Register Category Service ...
-            // services.AddXCategoryService<XApiDbContext>(
-            //     lifeTime: lifeTime,
-            //     repositoryType: repositoryType
-            // );
+            //
+            // Register Category Service ...
+            services.AddXCategoryService<XApiDbContext>(
+                lifeTime: lifeTime,
+                repositoryType: repositoryType
+            );
         }
         #endregion        
     }