增加微信h5支付回调地址

src/pages/buy/index.vue

@@ -221,7 +221,7 @@ export default {
         // 微信外微信h5支付
         window.sessionStorage.setItem('isBackFormWxH5Pay', 1)
         window.sessionStorage.setItem('payment_order_id', res.payment_order_id)
-        window.location.href = res.payment_url
+        window.location.href = res.payment_url + '&redirect_url=' + encodeURIComponent(window.location.href)
       } else if (payType === 12) {
         // 支付宝网页支付
         console.log(res)