chore: update

src/App.vue

@@ -5,8 +5,7 @@
     title="支付方式"
     confirm-button-text="去支付"
     show-cancel-button
-    @confirm="pay"
-  >
+    @confirm="pay">
     <div class="pay-method">
       <!-- 扫码支付方式 -->
       <van-radio-group v-model="params.payment_method" v-if="isQrPay">
@@ -26,8 +25,7 @@
     :title="qrPayTitle"
     confirm-button-text="支付完成"
     show-cancel-button
-    @confirm="payCallback"
-  >
+    @confirm="payCallback">
     <div class="qr-pay">
       <qrcode-vue :value="order.payment_url" :size="240" />
     </div>
@@ -87,6 +85,8 @@ export default {
     pay() {
       this.createOrder(this.params).then(order => {
         this.order = order
+        const { callback } = this.buyOptions
+        callback && callback(order)
         if (this.isQrPay) {
           this.qrPayVisible = true
         } else if (this.isWechat) {