fixed issue #2127 , remove logback stdout

deployer/src/main/resources/logback.xml

@@ -79,7 +79,7 @@
 	</logger>
 
 	<root level="WARN">
-		<appender-ref ref="STDOUT"/>
+		<!-- <appender-ref ref="STDOUT"/>  -->
 		<appender-ref ref="CANAL-ROOT" />
 	</root>
 </configuration>