fix: use oss withdraw modal image

packageUser/pages/user/cash/cash.wxml

@@ -27,7 +27,7 @@
   <!-- 确认提现弹框 -->
   <view class="fund__modal" wx:if="{{confirmDialog}}" bindtap="closedDialog">
     <view class="content">
-      <image class="image2" src="{{bannerList[0].img}}"></image>
+      <image class="image2" src="https://cfohow.hiwavo.com/xcx/user/withdraw_confirm_banner.png"></image>
       <view class="doing">{{bannerList[0].name}} </view>
 	  <view >剩余 {{balance / 100}}</view>
 	  <view >本次提现金额 {{view_withdraw}}，手续费 {{view_fee}}</view>