update doc

Author: Alexkun

docs/zh_CN/版本升级文档/0.2.5/新版本特性文档.md

@@ -101,7 +101,7 @@
              "stream.log.debug":"true",
              "security.kerberos.login.contexts":"KafkaClient,Client",
              "security.kerberos.login.keytab":"/appcom/Install/streamis/hadoop.keytab",
-             "security.kerberos.login.principal":"hadoop/inddev010004@WEBANK.COM"
+             "security.kerberos.login.principal":"hadoop/hadoop001@XX.COM"
     	},
     	"wds.linkis.flink.produce": {
     	    "wds.linkis.flink.checkpoint.switch":"OFF",