fix bug

apps/home/Tpl/default/Home/order_w3g.html

@@ -72,7 +72,7 @@
                                     <span class="text_14_600 color_FF3B3B">¥{{item['pay_price']}}</span>
                                 </div>
                                 <div class="layout_h_r">
-                                    <div v-if="showSolid(index)" @click="onPay(index)" class="order_action_solid self_center"
+                                    <div v-if="showSolid(index)" @click="onPay(item)" class="order_action_solid self_center"
                                          style="margin-left: 0.75rem;">去支付
                                     </div>
                                     <div v-if="showHollow(index)" class="order_action_hollow self_center">