diff --git a/config/config.yaml b/config/config.yaml
index 4f5b60536..e6993c281 100644
--- a/config/config.yaml
+++ b/config/config.yaml
@@ -697,7 +697,7 @@ demo:
     enable: true
   tencentsms: #腾讯云短信配置，在腾讯云申请成功后，修改以下选项，enable为true则必须修改
     appID: 1400529182
-    region: "ap-chengdu"
+    region: ""
     secretID: AKIDZx6yYruhDm6AxTihQt4ybx1oLbaHisKV
     secretKey: vay4tSjjSv71e2A1buwhBNJyLRGp66pH
     signName: ""