diff --git a/python_core/utils/jsonrpc_enhanced.py b/python_core/utils/jsonrpc_enhanced.py
index dd42e9d..e770b6d 100644
--- a/python_core/utils/jsonrpc_enhanced.py
+++ b/python_core/utils/jsonrpc_enhanced.py
@@ -229,7 +229,7 @@ class JSONRPCMethodRegistry:
             return json.dumps(error_response, ensure_ascii=False, separators=(',', ':'))
 
 # 全局实例
-enhanced_progress_reporter = EnhancedProgressReporter()
+enhanced_progress_reporter = EnhancedProgressReporter(str(uuid.uuid4()))
 method_registry = JSONRPCMethodRegistry()