fixed default properties

deployer/src/main/resources/example/instance.properties

@@ -49,6 +49,6 @@ canal.mq.topic=example
 #canal.mq.dynamicTopic=.*,mytest,mytest\\..*,mytest2.user
 canal.mq.partition=0
 # hash partition config
-#canal.mq.partitionsNum=3
+#canal.mq.partitionsNum=4
 #canal.mq.partitionHash=test.table:id^name,.*\\..*
 #################################################