wechatAuth优化

src/views/Login.vue

@@ -46,7 +46,7 @@ export default {
     // 登陆
     login() {
       var that = this;
-      that.$http.post("service/auth/wechatAuth", {}).then(res => {
+      that.$http.post("service/auth/wechatAuth", {redirectUrl:location.origin+location.pathname}).then(res => {
         if (res.data.url) {
           window.location.href = res.data.url;
         } else {