 <Logger name="com.alibaba.nacos.shaded.io.grpc" level="${nacosClientProperty:com.alibaba.nacos.config.log.level:-info}" additivity="false"> <appender-ref ref="ASYNC-REMOTE"/> </Logger> It should be modified to <Logger name="com.alibaba.nacos.shaded.io.grpc" level="${nacosClientProperty:com.alibaba.nacos.config.log.level:-info}" additivity="false"> <appender-ref ref="ASYNC_REMOTE"/> </Logger>