app内嵌h5页面，通过h5调用微信支付，显示白屏?白屏如图所示 调微信支付的链接 已指定了redirect_url并且通过encode编译
https://wx.tenpay.com/cgi-bin/mmpayweb-bin/checkmweb?prepay_id=wx24151911102338cac9839cced6f9990000&package=2666176566&redirect_url=https%3A%2F%2Ftest.youjiajk.com%2Fsaas%2F%23%2Ftest
