Do not have *** handler in current page

• 当前 Bug 的表现（可附上截图）

• 预期表现

• 复现路径

• 提供一个最简复现 Demo

想知道最终的对象组合是咋来的？还有那个a去哪了？

json中的顺序也调整了，但是还是会出现Do not have goServiceTap handler in current page: pages/index/index. Please make sure that goServiceTap handler has been defined in pages/index/index, or pages/index/index has been added into app.json