Fix DTO code generation for C# static proxy

framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ServiceProxying/CSharp/CSharpServiceProxyGenerator.cs

@@ -553,10 +553,14 @@ public class CSharpServiceProxyGenerator : ServiceProxyGeneratorBase<CSharpServi
                 var s2 = s1[i].Split(",");
                 for (var x = 0; x < s2.Length; x++)
                 {
-                    type.Append(s2[x].Split(".").Last());
+                    var s3 = s2[x].Split(".").Last();
+                    type.Append(s3);
                     if (x < s2.Length - 1)
                     {
                         type.Append(", ");
+                    }else if(!s3.Contains(">"))
+                    {
+                        type.Append("<");
                     }
                 }
             }