diff --git a/script/dolphinscheduler-daemon.sh b/script/dolphinscheduler-daemon.sh
index 26c751f6e56a823c34252831a914c555cf1b4167..18bb40482c625abd30ff5ee386e3f7b4fc22f992 100644
--- a/script/dolphinscheduler-daemon.sh
+++ b/script/dolphinscheduler-daemon.sh
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-usage="Usage: dolphinscheduler-daemon.sh (start|stop|status) <command> "
+usage="Usage: dolphinscheduler-daemon.sh (start|stop|status) <api-server|master-server|worker-server|alert-server> "
 
 # if no args specified, show usage
 if [ $# -le 1 ]; then