diff --git a/worker/bc.py b/worker/bc.py
index bf5f3ec..a00e0f9 100644
--- a/worker/bc.py
+++ b/worker/bc.py
@@ -436,6 +436,7 @@ def sysMain (lst):
 
 #代码段
 class Ans (StdAns):
+    AllowGroup = [959613860]
     def GETMSG(self):
         ans = "汝以为咱不会算算数的嘛！"
         if (len(self.parms) < 2):