diff --git a/app/browser/bind.tsx b/app/browser/bind.tsx
index e27cce2..1af2f76 100644
--- a/app/browser/bind.tsx
+++ b/app/browser/bind.tsx
@@ -269,17 +269,11 @@ const INJECTED_JS = `(function(){
     var giveUp=window.__talentTries>=8;
     function retry(){
       if(giveUp){
-        finish('bindingFailed');
+        finish('profileUnavailable',{identityUnavailable:true});
         return;
       }
       setTimeout(fetchTalentInfo,1000);
     }
-    function retryStudent(reason,stu,onlyFinal){
-      if(stu!==undefined && (!onlyFinal || giveUp)){
-        diagnostic('studentInfo','invalid-response',undefined,reason,stu);
-      }
-      retry();
-    }
     function pick(arr,code){
       var field=(arr||[]).find(function(item){return item.fieldCode===code;});
       return field?String(field.fieldValue==null?'':field.fieldValue):'';
@@ -296,6 +290,17 @@ const INJECTED_JS = `(function(){
       }
       var sn=String(u.data.sn);
       var name=u.data.name||'';
+      function retryStudent(reason,stu,onlyFinal){
+        if(stu!==undefined && (!onlyFinal || giveUp)){
+          diagnostic('studentInfo','invalid-response',undefined,reason,stu);
+        }
+        if(giveUp){
+          // 资料异常时只保留已验证的身份
+          finish('info',{name:name,studentId:sn,cardId:'',college:'',eduLevel:''});
+          return;
+        }
+        retry();
+      }
       return Promise.all([
         getJson('studentInfo','/information-center/xd/user/findStudentInfoWechat/'+encodeURIComponent(sn)).catch(function(){return undefined;}),
         getDictionary('colleges','/information-center/xd/commons/getColleges'),
@@ -363,6 +368,7 @@ export default function BindScreen() {
   } | null>(null);
   const flowFinished = useRef(false);
   const preserveSession = useRef(false);
+  const screenActive = useRef(true);
   const reportBindError = useRef(createBindErrorReporter(reportError)).current;
 
   const setWebviewRef = useCallback((view: WebView | null) => {
@@ -371,13 +377,19 @@ export default function BindScreen() {
   }, []);
 
   const handleLoadEnd = useCallback(() => {
-    if (webviewAttempt.id !== activeAttemptId.current || flowFinished.current)
+    if (
+      !screenActive.current ||
+      webviewAttempt.id !== activeAttemptId.current ||
+      flowFinished.current
+    )
       return;
     webview.current?.injectJavaScript(INJECTED_JS);
   }, [webviewAttempt.id]);
 
   useEffect(() => {
+    screenActive.current = true;
     return () => {
+      screenActive.current = false;
       if (!preserveSession.current) {
         CookieManager.clearAll(true).catch(() => {});
       }
@@ -398,7 +410,11 @@ export default function BindScreen() {
 
   const recoverAppEntry = (failure: TalentLoginFailure) => {
     // 忽略旧 WebView 的延迟回调
-    if (webviewAttempt.id !== activeAttemptId.current || flowFinished.current)
+    if (
+      !screenActive.current ||
+      webviewAttempt.id !== activeAttemptId.current ||
+      flowFinished.current
+    )
       return true;
     if (webviewAttempt.id !== 0 || !isRecoverableTalentRootError(failure))
       return false;
@@ -450,11 +466,14 @@ export default function BindScreen() {
   };
 
   const onMessage = async (event: { nativeEvent: { data: string } }) => {
-    if (webviewAttempt.id !== activeAttemptId.current) return;
+    if (!screenActive.current || webviewAttempt.id !== activeAttemptId.current)
+      return;
     try {
       const msg = JSON.parse(event.nativeEvent.data);
       if (msg.type === "diagnostic") {
         reportBindError(msg);
+      } else if (flowFinished.current) {
+        return;
       } else if (msg.type === "bindingFailed") {
         handleFailure();
       } else if (msg.type === "credentials") {
@@ -463,7 +482,6 @@ export default function BindScreen() {
           password: msg.password,
         };
       } else if (msg.type === "profileUnavailable") {
-        if (flowFinished.current) return;
         flowFinished.current = true;
         preserveSession.current = true;
         useOnboardingStore.getState().reset();
@@ -477,22 +495,42 @@ export default function BindScreen() {
           pathname: "/onboarding",
           params: { step: "setup" },
         });
-      } else if (msg.type === "info" && pendingCredentials.current) {
-        if (flowFinished.current) return;
+      } else if (msg.type === "info") {
+        if (!pendingCredentials.current) {
+          reportError(new Error("Bind credentials unavailable"), {
+            module: "bind",
+          });
+          handleFailure();
+          return;
+        }
         flowFinished.current = true;
+        // 保存完成前保留会话，避免页面卸载时提前清除 Cookie
         preserveSession.current = true;
         const { username, password } = pendingCredentials.current;
 
-        await useUserBindStore
-          .getState()
-          .bind(
-            username,
-            msg.name,
-            password,
-            msg.cardId,
-            msg.college,
-            msg.eduLevel,
-          );
+        try {
+          await useUserBindStore
+            .getState()
+            .bind(
+              username,
+              msg.name,
+              password,
+              msg.cardId,
+              msg.college,
+              msg.eduLevel,
+            );
+        } catch (error) {
+          reportError(error, { module: "bind" });
+          if (!screenActive.current) {
+            CookieManager.clearAll(true).catch(() => {});
+            return;
+          }
+          preserveSession.current = false;
+          flowFinished.current = false;
+          handleFailure();
+          return;
+        }
+        if (!screenActive.current) return;
 
         Toast.show({
           type: "success",
diff --git a/lib/i18n/locales/en.json b/lib/i18n/locales/en.json
index 08d2db7..e3232ba 100644
--- a/lib/i18n/locales/en.json
+++ b/lib/i18n/locales/en.json
@@ -260,9 +260,9 @@
     "bindFailed": "Link failed",
     "bindPasswordError": "Incorrect password",
     "bindPasswordErrorSub": "Please link your WHUT account again",
-    "bindFailedSub": "iWUT is temporarily unavailable, please try again later",
-    "bindProfileUnavailable": "Account verified",
-    "bindProfileUnavailableSub": "Your profile is not available yet, but you can continue and import your timetable",
+    "bindFailedSub": "Unable to link your account. Please try again later",
+    "bindProfileUnavailable": "There is an issue with your user information",
+    "bindProfileUnavailableSub": "You can finish setting up the app and try linking your account again later",
     "menuTools": "Tools",
     "menuSettings": "Settings",
     "menuOther": "Other",
diff --git a/lib/i18n/locales/zh.json b/lib/i18n/locales/zh.json
index f00bf0b..2b75c6b 100644
--- a/lib/i18n/locales/zh.json
+++ b/lib/i18n/locales/zh.json
@@ -260,9 +260,9 @@
     "bindFailed": "绑定失败",
     "bindPasswordError": "密码错误",
     "bindPasswordErrorSub": "请重新绑定智慧理工大账号",
-    "bindFailedSub": "智慧理工大暂时无法访问，请稍后重试",
-    "bindProfileUnavailable": "账号验证成功",
-    "bindProfileUnavailableSub": "暂未获取到个人资料，可先继续导入课表",
+    "bindFailedSub": "无法绑定账号，请稍后重试",
+    "bindProfileUnavailable": "用户信息异常",
+    "bindProfileUnavailableSub": "您可以继续完成 App 设置，稍后再尝试绑定账号",
     "menuTools": "工具",
     "menuSettings": "设置",
     "menuOther": "其他",