Yifans_Z

https://stackoverflow.com/questions/38346847/nginx-docker-container-502-bad-gateway-response maybe useful

thanks for allen. welcome to [99-projects-of-swift](https://github.com/imzyf/99-projects-of-swift)

找到了一种方式：使用 Promise ``` getSubscribeCategoryId() { return new Promise((resolve, reject) => { AsyncStorage.getItem(AsyncStorageKey.xxx, (error, result) => { if (!error && result !== null && result !== '') { try { resolve(JSON.parse(result));...

`$prepend` true 有关？