nacos not regist success, no preserved.register.source

[iwangkk]

cmd dtm -c conf.yml run server
conf.yml content

MicroService:
Driver: 'dtm-driver-springcloud' # name of the driver to handle register/discover
Target: '{"Addr":"mse-xxxxxxxxxxxx.mse.aliyuncs.com:8848","Type":"nacos", "InstanceConfig":{"ServiceName":"dtm-service","GroupName":"XXXX_GROUP","Enable":true,"Healthy":true,"Weight":10},"ClientConfig":{"NamespaceId":"dev","NotLoadCacheAtStart":true}}'
EndPoint: '127.0.0.1:36789'

nacos no preserved.register.source":"SPRING_CLOUD

What is the reason?