diff --git a/docs/recipe/deploy/lock.md b/docs/recipe/deploy/lock.md
index ba3ae82f..a9071854 100644
--- a/docs/recipe/deploy/lock.md
+++ b/docs/recipe/deploy/lock.md
@@ -28,10 +28,10 @@ Unlock deploy.
 
 
 
-### deploy:is-unlocked
+### deploy:is_locked
 [Source](https://github.com/deployphp/deployer/blob/master/recipe/deploy/lock.php#L25)
 
-Check if deploy is unlocked.
+Check if deploy is locked.
 
 
 
diff --git a/recipe/deploy/lock.php b/recipe/deploy/lock.php
index 9d58c4fa..bb310e29 100644
--- a/recipe/deploy/lock.php
+++ b/recipe/deploy/lock.php
@@ -21,12 +21,11 @@ task('deploy:unlock', function () {
     run("rm -f {{deploy_path}}/.dep/deploy.lock");//always success
 });
 
-desc('Check if deploy is unlocked');
-task('deploy:is-unlocked', function () {
+desc('Check if deploy is locked');
+task('deploy:is_locked', function () {
     $locked = test("[ -f {{deploy_path}}/.dep/deploy.lock ]");
     if ($locked) {
-        writeln('Deploy is currently locked.');
-        throw new GracefulShutdownException();
+        throw new GracefulShutdownException("Deploy is locked.");
     }
-    writeln('Deploy is currently unlocked.');
+    info('Deploy is unlocked.');
 });