来源于成绩查询接口，这里的信息很准确.

来源于老的教务系统接口，这里有的课程信息是不全的.

Enum value maps for CCNUErrorReason.

Enum value maps for CCNUErrorReason.

CCNUService_ServiceDesc is the grpc.ServiceDesc for CCNUService service.

Enum value maps for Source.

Enum value maps for Source.

这个course只是爬出来没怎么处理的，在course服务里会处理.

UnimplementedCCNUServiceServer must be embedded to have forward compatible implementations.

CCNUServiceClient is the client API for CCNUService service.

CCNUServiceServer is the server API for CCNUService service.

UnsafeCCNUServiceServer may be embedded to opt out of forward compatibility for this service.