完成简易版的充值和充值记录查询页面，简单的我的页面

miniprogram_npm/@vant/weapp/nav-bar/index.wxs

@@ -1,13 +0,0 @@
-/* eslint-disable */
-var style = require('../wxs/style.wxs');
-
-function barStyle(data) {
-  return style({
-    'z-index': data.zIndex,
-    'padding-top': data.safeAreaInsetTop ? data.statusBarHeight + 'px' : 0,
-  });
-}
-
-module.exports = {
-  barStyle: barStyle,
-};