1、请注意，在 gRPC-Go 中，RPC 以阻塞/同步模式运行，这意味着 RPC 调用等待服务器响应，并且将返回响应或错误。
Note that in gRPC-Go, RPCs operate in a blocking/synchronous mode, which means that the RPC call waits for the server to respond, and will either return a response or an error.
1、请注意，在 gRPC-Go 中，RPC 以阻塞/同步模式运行，这意味着 RPC 调用等待服务器响应，并且将返回响应或错误。
Note that in gRPC-Go, RPCs operate in a blocking/synchronous mode, which means that the RPC call waits for the server to respond, and will either return a response or an error.