add relative_imports option help
add relative_imports option help

yongju-hong/thrift,yongju-hong/thrift,yongju-hong/thrift,yongju-hong/thrift,yongju-hong/thrift,yongju-hong/thrift,yongju-hong/thrift,yongju-hong/thrift,yongju-hong/thrift,yongju-hong/thrift,yongju-hong/thrift,yongju-hong/thrift,yongju-hong/thrift,yongju-hong/thrift,yongju-hong/thrift,yongju-hong/thrift,yongju-hong/thrift