fix: 购买页修复切换tab选中问题

src/pages/order/create/index.vue

@@ -274,8 +274,8 @@ export default {
             }
           })
         }
-        this.activeSpec = 0
         this.specList = specList
+        this.activeSpec = this.formatSpecList[0].id
       })
     },
     checkedChange (f) {