您可以使用async/await来等待Bus.emitObject的调用结果，然后再返回rest值。请参考以下修改后的代码：
import Bus from "../eventBus";const post = async (req, res, next) => {try {const {...body} = req.body;const bankData = await BankBase.findByPk(body.id);if (!bankData) {return res.sendStatus(404);} else {const rest = await Bus.emitObject(bankData.event, {data: body});return res.json({code: 200, data: rest.rest});}} catch (error) {return res.json({msg: '该银行还未注册，请先注册。'});}}module.exports = {post};
通过使用async关键字将post函数标记为异步函数，并在需要等待的地方使用await关键字来等待promise对象的解析结果。这样，在调用Bus.emitObject之后，会暂停执行直到该调用完成并返回结果，然后再继续执行后续代码。这样就能保证在返回res之前，rest值已经被获取到了。
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![× Install fail! Error: [@vue/cil] An unknown git error occurred
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![zpw@zpw-ThinkStation-P340:~/study/redis$ make
for dir in src; do make -C $dir all; done
make[1]: 进入目录“/home/zpw/study/redis/src”
CC threads_mngr.o
threads_mngr.c:27:37: warning: initializing '_Atomic(run_on_thread_cb)' with an expression of ty...](https://linuxcpp.0voice.com/zb_users/upload/2023/05/202305162238408381987.png)
![hread_event.o src/ticker.o src/tsd.o src/witness.o
make[3]: 离开目录“/home/zpw/study/redis/deps/jemalloc”
make[2]: 离开目录“/home/zpw/study/redis/deps”
CC threads_mngr.o
threads_mngr.c:27:37: warning: initializing '_Atomic(run_on_thread_cb)' with an e...](https://linuxcpp.0voice.com/zb_users/upload/2023/05/202305162214438435275.png)
![zpw@zpw-ThinkStation-P340:~/study/redis$ make
for dir in src; do make -C $dir all; done
make[1]: 进入目录“/home/zpw/study/redis/src”
CC threads_mngr.o
threads_mngr.c:27:37: warning: initializing '_Atomic(run_on_thread_cb)' with an expression of ty...](https://linuxcpp.0voice.com/zb_users/upload/2023/05/202305162237121215388.png)
