diff --git a/app/configs/global_var.py b/app/configs/global_var.py
index 135c1da..e64350a 100644
--- a/app/configs/global_var.py
+++ b/app/configs/global_var.py
@@ -31,5 +31,6 @@ def get_value(key):
     # 获得一个全局变量，不存在则提示读取对应变量失败
     try:
         return redis_client.get_redis().get("_global_dict")[key]
-    except:
+    except Exception as e:
+        print(e)
         print('读取' + key + '失败\r\n')