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# rpc设计规范
* 目录结构
* service/remote目录下按照服务所属模块存放，比如用户的profile接口，目录如下：
`service/remote/user/profile.proto`
* 生成的profile.pb.go也放在该目录下，并且profile.proto文件里要加上`package user;`
* 错误处理
* 需要使用status.Error(code, desc)来定义返回的错误
* code是codes.Code类型，尽可能使用grpc已经定义好的code
* codes.DeadlineExceeded, codes.Internal, codes.Unavailable, codes.DataLoss错误会被自动熔断