diff --git a/global_data.py b/global_data.py
index fc7d863..7c832d5 100644
--- a/global_data.py
+++ b/global_data.py
@@ -11,7 +11,8 @@ class GlobalData:
     def _init(self):
         """初始化全局字典和锁"""
         self._global_dict = {}
-        self._lock = threading.Lock()
+        #self._lock = threading.Lock() # 原代码
+        self._lock = threading.RLock()  # 使用可重入锁
 
     def set_value(self, name, value):
         """设置全局值"""
@@ -48,4 +49,4 @@ class GlobalData:
 
 
 # 创建全局实例
-gd = GlobalData()
+gd = GlobalData()
\ No newline at end of file