diff --git a/pages/login/login.vue b/pages/login/login.vue
index 23716f4..caac2c2 100644
--- a/pages/login/login.vue
+++ b/pages/login/login.vue
@@ -105,12 +105,33 @@ function toHome() {
   });
 }
 
+async function syncExternalUserRelation() {
+  const currentTeam = team.value || {};
+  const currentAccount = account.value || {};
+  if (!(currentTeam.corpId && currentTeam.externalUserId && currentAccount.openid)) return;
+  try {
+    const res = await api('syncWxappExternalUserRelation', {
+      corpId: currentTeam.corpId,
+      externalUserId: currentTeam.externalUserId,
+      unionid: currentAccount.unionid || '',
+      openid: currentAccount.openid,
+      corpUserId: currentTeam.corpUserId || '',
+    }, false);
+    if (!res || !res.success) {
+      console.warn('关联 externalUserId 失败:', res && res.message);
+    }
+  } catch (error) {
+    console.warn('关联 externalUserId 异常:', error && error.message ? error.message : error);
+  }
+}
+
 
 async function bindTeam() {
   const res = await api('bindWxappWithTeam', { appid, corpId: team.value.corpId, teamId: team.value.teamId, openid: account.value.openid });
   if (!res || !res.success) {
     return toast("关联团队失败");
   }
+  await syncExternalUserRelation();
   const res1 = await api('getWxAppCustomerCount', { miniAppId: account.value.openid, corpId: team.value.corpId, teamId: team.value.teamId });
   if (res1 && res1.data > 0) {
     toHome();
@@ -126,7 +147,7 @@ async function getPhoneNumber(e) {
     if (!res) return;
   }
   if (team.value) {
-    bindTeam(account.value)
+    bindTeam()
   } else if (redirectUrl.value) {
     await attempToPage(redirectUrl.value);
   } else {
diff --git a/pages/login/redirect-page.vue b/pages/login/redirect-page.vue
index 1c409a5..085e432 100644
--- a/pages/login/redirect-page.vue
+++ b/pages/login/redirect-page.vue
@@ -29,7 +29,51 @@ function copy() {
   })
 }
 
-async function changeTeam({ teamId, corpId, corpUserId, qrid, referenceCustomerId }) {
+function safeDecode(value) {
+  try {
+    return decodeURIComponent(value);
+  } catch (error) {
+    return value;
+  }
+}
+
+function parseInviteOptions(options = {}) {
+  const href =
+    typeof options.q === "string" ? safeDecode(options.q) : "";
+  const [, url = ""] = href.split("?");
+  const data = url.split("&").reduce((acc, cur) => {
+    if (!cur) return acc;
+    const [key, ...valueParts] = cur.split("=");
+    if (!key) return acc;
+    acc[key] = safeDecode(valueParts.join("=") || "");
+    return acc;
+  }, {});
+  return {
+    ...options,
+    ...data,
+  };
+}
+
+async function syncExternalUserRelation({ corpId, externalUserId, corpUserId }) {
+  const currentAccount = account.value || {};
+  if (!(corpId && externalUserId && currentAccount.openid)) return;
+  try {
+    const res = await api('syncWxappExternalUserRelation', {
+      corpId,
+      externalUserId,
+      unionid: currentAccount.unionid || '',
+      openid: currentAccount.openid,
+      corpUserId: corpUserId || '',
+    }, false);
+    if (!res || !res.success) {
+      console.warn('关联 externalUserId 失败:', res && res.message);
+    }
+  } catch (error) {
+    console.warn('关联 externalUserId 异常:', error && error.message ? error.message : error);
+  }
+}
+
+async function changeTeam({ teamId, corpId, corpUserId, externalUserId, qrid, referenceCustomerId }) {
   loading.value = true;
   const res = await api("getTeamData", { teamId, corpId, withCorpName: true });
   loading.value = false;
@@ -39,16 +83,17 @@ async function changeTeam({ teamId, corpId, corpUserId, qrid, referenceCustomerI
     set('home-invite-team-info', {
       teamId: team.value.teamId,
       corpUserId: corpUserId || '',
-      corpUserId,
+      externalUserId: externalUserId || '',
       qrid,
       referenceCustomerId: referenceCustomerId || ''
     });
     await login()
     if (account.value && account.value.mobile) {
-      bindTeam(corpUserId)
+      bindTeam({ corpUserId, externalUserId })
     } else {
       set("invite-team-info", {
         corpUserId,
+        externalUserId,
         qrid,
         referenceCustomerId,
         corpId: team.value.corpId,
@@ -69,11 +114,16 @@ async function changeTeam({ teamId, corpId, corpUserId, qrid, referenceCustomerI
   }
 }
 
-async function bindTeam(corpUserId) {
+async function bindTeam({ corpUserId, externalUserId }) {
   const res = await api('bindWxappWithTeam', { appid, corpId: team.value.corpId, teamId: team.value.teamId, openid: account.value.openid });
   if (!res || !res.success) {
     return toast("关联团队失败");
   }
+  await syncExternalUserRelation({
+    corpId: team.value.corpId,
+    externalUserId,
+    corpUserId,
+  });
   const res1 = await api('getWxAppCustomerCount', { miniAppId: account.value.openid, corpId: team.value.corpId, teamId: team.value.teamId });
   if (res1 && res1.data > 0) {
     uni.switchTab({
@@ -89,15 +139,7 @@ async function bindTeam(corpUserId) {
 onLoad((options) => {
   if (options.q) {
     opts.value = JSON.stringify(options)
-    const href =
-      typeof options.q === "string" ? decodeURIComponent(options.q) : "";
-    const [, url = ""] = href.split("?");
-    const data = url.split("&").reduce((acc, cur) => {
-      const [key, value] = cur.split("=");
-      acc[key] = value;
-      return acc;
-    }, {});
-    changeTeam(data);
+    changeTeam(parseInviteOptions(options));
   } else if (options.type === 'archive') {
     changeTeam(options);
   }
@@ -124,4 +166,4 @@ onLoad((options) => {
     opacity: 1;
   }
 }
-</style>
\ No newline at end of file
+</style>
diff --git a/utils/api.js b/utils/api.js
index aeec03d..a2d56ed 100644
--- a/utils/api.js
+++ b/utils/api.js
@@ -58,6 +58,7 @@ const urlsConfig = {
     unbindMiniAppArchive: 'unbindMiniAppArchive',
     updateMedicalRecord: 'updateMedicalRecord',
     getUnionidToExternalUserid: 'getUnionidToExternalUserid',
+    syncWxappExternalUserRelation: 'syncWxappExternalUserRelation',
     getWxAppCustomerCount: "getWxAppCustomerCount",
     updateCustomer: 'update',
     getRefrencePeople: 'getRefrencePeople',
@@ -115,4 +116,3 @@ export default async function api(urlId, data = {}, loading = true) {
     }
   }, loading)
 }
-