重复sessionid问题

src/pages/login/index.vue

@@ -72,7 +72,8 @@ export default {
       this.backPath = options.back;
     }
     if (options.params) {
-      this.backParams = serialize(options.params);
+      this.defalutBackParams= serialize(options.params);
+      this.backParams = this.defalutBackParams;
       let params = JSON.parse(options.params);
       this.fromType = params.fromType;
     }
@@ -130,6 +131,7 @@ export default {
       });
     },
     getUserInfo: function(e) {
+      this.backParams=this.defalutBackParams
       wx.showLoading({
         title: "加载中"
       });