diff --git a/src/Luban.Job.Common/Source/TypeVisitors/EmmyLuaCommentTypeVisitor.cs b/src/Luban.Job.Common/Source/TypeVisitors/EmmyLuaCommentTypeVisitor.cs
index 4d27077..d929342 100644
--- a/src/Luban.Job.Common/Source/TypeVisitors/EmmyLuaCommentTypeVisitor.cs
+++ b/src/Luban.Job.Common/Source/TypeVisitors/EmmyLuaCommentTypeVisitor.cs
@@ -68,7 +68,7 @@ namespace Luban.Job.Common.TypeVisitors
 
         public string Accept(TBytes type)
         {
-            return $"string";
+            return "string";
         }
 
         public string Accept(TText type)