本地跑该项目出现类似如下错误
```csharp
google/protobuf/descriptor.proto: File not found.
解决方法(mac os)：
brew install protobuf@3.1
cd /usr/local/Cellar/protobuf@3.1/3.1.0
sudo cp bin/protoc /usr/local/bin/
sudo rm -r /usr/local/include/google/protobuf/
sudo cp -r include/google/protobuf/ /usr/local/include/google/protobuf/
sudo cp -r lib /usr/local/