diff --git a/src/components/plateNumber.vue b/src/components/plateNumber.vue
index fcd25c8..8aa5408 100644
--- a/src/components/plateNumber.vue
+++ b/src/components/plateNumber.vue
@@ -294,8 +294,22 @@ export default {
     }
   },
   mounted () {
+    var appID = this.$utils.myVxAppId;
+    var code = this.getUrlParam('code');
+    var local = window.location.href;
+    if (code == null || code === '') {
+        window.location.href = 'https://open.weixin.qq.com/connect/oauth2/authorize?appid='+appID+'&redirect_uri='+encodeURIComponent(local)+'&response_type=code&scope=snsapi_userinfo&state=1,0#wechat_redirect'
+    } else {
+      return code;
+    }
   },
   methods: {
+    getUrlParam(name) {
+      var reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)');
+      var r = window.location.search.substr(1).match(reg)
+      if (r != null) return unescape(r[2])
+      return null
+    },
     chooseColor (index){ // 颜色选择
       this.currentColor = index
       switch (this.currentColor) {
diff --git a/src/router/index.js b/src/router/index.js
index bac470c..a997302 100644
--- a/src/router/index.js
+++ b/src/router/index.js
@@ -11,7 +11,7 @@ export default new Router({
     {
       path: '/',
       redirect: {
-        name: 'navigation'
+        name: 'plateNumber'
       }
     },
     {