diff --git a/src/implement/advertising_callback_implement.go b/src/implement/advertising_callback_implement.go
index 1a2d60a..a2c4536 100644
--- a/src/implement/advertising_callback_implement.go
+++ b/src/implement/advertising_callback_implement.go
@@ -62,7 +62,7 @@ func (a AdvertisingCallbackDb) AdvertisingCallbackCountBySession(session *xorm.S
 	}
 	count, err := sess.Count(&m)
 	if err != nil {
-		return false, err
+		return 0, err
 	}
 	return count, nil
 }