diff --git a/plugins/keepalived/scripts/chk.sh b/plugins/keepalived/scripts/chk.sh
index 912af7647..3e13df5dd 100644
--- a/plugins/keepalived/scripts/chk.sh
+++ b/plugins/keepalived/scripts/chk.sh
@@ -11,7 +11,7 @@ rootPath=$(dirname "$curPath")
 SOFT=$1
 
 if [ "$SOFT" == "mysql" ];then
-	bash ${rootPath}/keepalived/scripts/chk_mysql.sh >> ${rootPath}/keepalived/keepalived.log
+	bash ${rootPath}/keepalived/scripts/chk_mysql.sh > ${rootPath}/keepalived/keepalived.log
 else
 	echo "you should use [chk.sh mysql] exp ."
 fi
\ No newline at end of file