diff --git a/src/pages/SignIn.tsx b/src/pages/SignIn.tsx
index be23e42..e64244c 100644
--- a/src/pages/SignIn.tsx
+++ b/src/pages/SignIn.tsx
@@ -11,6 +11,7 @@ import { useNavigate } from "react-router-dom";
 import useUserStore from "../store/user.ts";
 import { Popover } from "antd-mobile";
 import EmailForm from "../components/EmailForm.tsx";
+import Area from "../i18n/area/area.json";
 
 function SignIn() {
   const { t, i18n } = useTranslation();
@@ -20,7 +21,7 @@ function SignIn() {
   const [selectIndex, setSelectIndex] = useState<number>(1);
   const { previousPathName, UpdatePreviousPathName } = useUserStore();
   const navigate = useNavigate();
-  const { UpdateLang } = useUserStore();
+  const { UpdateLang, UpdateSelectCountry } = useUserStore();
   const handleTabs = (num: number) => {
     return () => {
       UpdatePreviousPathName("/");
@@ -72,6 +73,8 @@ function SignIn() {
                     i18n.changeLanguage("cn");
                     setVisible(false);
                     UpdateLang("zh-TW");
+                    const areaItem = Area.find((v) => v.code == "+86");
+                    if (areaItem) UpdateSelectCountry(areaItem);
                   }}
                 >
                   中文（繁体）