bug fixes

src/pages/my/buyCourses.vue

@@ -15,7 +15,7 @@
           <div class="val">{{item.total_fee}}</div>
         </div>
         <div class="deti">
-          <div class="val col" v-if="item.status === '-1'" @click="goBuy">继续支付</div>
+          <div class="val col" v-if="item.status === '-1'" @click="goBuy(item)">继续支付</div>
           <div class="val col" v-else>{{item.status | orderStatusText}}</div>
         </div>
       </li>