diff --git a/python_core/utils/jsonrpc_enhanced.py b/python_core/utils/jsonrpc_enhanced.py
index 0087162..a90dd01 100644
--- a/python_core/utils/jsonrpc_enhanced.py
+++ b/python_core/utils/jsonrpc_enhanced.py
@@ -237,12 +237,12 @@ method_registry = JSONRPCMethodRegistry()
 # 便捷函数
 def create_response_handler() -> EnhancedJSONRPCResponse:
     """创建响应处理器"""
-    return EnhancedJSONRPCResponse(uuid4())
+    return EnhancedJSONRPCResponse(str(uuid4()))
 
 
 def create_progress_reporter(total: int = 100) -> EnhancedProgressReporter:
     """创建进度报告器"""
-    return EnhancedProgressReporter(uuid4(), total)
+    return EnhancedProgressReporter(str(uuid4()), total)
 
 
 def register_method(name: Optional[str] = None):