diff --git a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ServiceProxying/Angular/AngularServiceProxyGenerator.cs b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ServiceProxying/Angular/AngularServiceProxyGenerator.cs
index 7e30a9a6bf..8c8a6cdbd0 100644
--- a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ServiceProxying/Angular/AngularServiceProxyGenerator.cs
+++ b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ServiceProxying/Angular/AngularServiceProxyGenerator.cs
@@ -48,7 +48,7 @@ public class AngularServiceProxyGenerator : ServiceProxyGeneratorBase<AngularSer
         var apiName = args.ApiName ?? defaultValue;
         var source = args.Source ?? defaultValue;
         var target = args.Target ?? defaultValue;
-        var url = args.Url ?? string.Empty;
+        var url = args.Url ?? "''";
         var commandBuilder = new StringBuilder("npx ng g @abp/ng.schematics:" + schematicsCommandName);
 
         if (module != null)