fix

@@ -610,11 +610,14 @@ Page(Object.assign({
     });
   },
   init() {
+    wx.showLoading();
     return Promise.all([
       this.productInfo(),
       this.getUid()
     ]).then(() => {
       return this.getAssistInfo();
+    }).then(() => {
+      wx.hideLoading();
     });
   },
   _getUid() {