diff --git a/pages/login/index.js b/pages/login/index.js
index 63afd12..3008b02 100644
--- a/pages/login/index.js
+++ b/pages/login/index.js
@@ -93,27 +93,38 @@ Page({
     return false
   },
   /************************************** 获取用户信息，进行登录  ********************************************/
-  toIndex: function(){
-    var factoryId = storage.get('X-FACTORY-ID' + app.userInfo.userId)
-    if(factoryId){
-      app.userInfo.factoryId = factoryId
-    } else {
-      for (let mIndex = app.userInfo.enterpriseInfos.length - 1; mIndex >= 0; mIndex--) {
-        if(factoryId){
-          break
-        }
-        const element = app.userInfo.enterpriseInfos[mIndex]
-        for (let nIndex = element.factoryInfos.length - 1; nIndex >= 0; nIndex--) {
-          const item = element.factoryInfos[nIndex]
+  checkFactoryId: function(storageFactoryId){
+    for (let mIndex = app.userInfo.enterpriseInfos.length - 1; mIndex >= 0; mIndex--) {
+      const element = app.userInfo.enterpriseInfos[mIndex]
+      for (let nIndex = element.factoryInfos.length - 1; nIndex >= 0; nIndex--) {
+        const item = element.factoryInfos[nIndex]
+        if(storageFactoryId){
+          if(item.factoryId == storageFactoryId){
+            return item.factoryId
+          }
+        } else {
           if(item.factoryId){
-            factoryId = item.factoryId
-            break
+            return item.factoryId
           }
         }
       }
-      app.userInfo.factoryId = factoryId
     }
+    return null
+  },
+  toIndex: function(){
+    var factoryId = storage.get('X-FACTORY-ID' + app.userInfo.userId)
     if(factoryId){
+      // 有可能被移除了，缓存的factoryId还在，那要进行处理
+      factoryId = this.checkFactoryId(factoryId)
+    }
+    if(!factoryId){
+      factoryId = this.checkFactoryId()
+      if(factoryId){
+        storage.put('X-FACTORY-ID' + app.userInfo.userId, factoryId)
+      }
+    }
+    if(factoryId){
+      app.userInfo.factoryId = factoryId
       headerFactoryId(app.userInfo.factoryId)
       if(this.data.url) {
         wx.redirectTo({ url: '/pages/index/index?url=' + this.data.url })