diff --git a/internal/biz/multi.go b/internal/biz/multi.go
index 7fe2b3f..a87c1aa 100644
--- a/internal/biz/multi.go
+++ b/internal/biz/multi.go
@@ -56,7 +56,6 @@ func (biz *MultiBiz) Notify(ctx context.Context, source string, req *bo.WechatVo
 
 	cl := vo.MultiNotifyLockKey.BuildCache([]string{
 		source,
-		req.PlainText.StockCreatorMchid,
 		req.PlainText.StockID,
 		req.PlainText.CouponID,
 	})