diff --git a/Envoy.blade.php b/Envoy.blade.php
index f879f6f..7993e41 100644
--- a/Envoy.blade.php
+++ b/Envoy.blade.php
@@ -13,6 +13,10 @@
         throw new Exception("Need --app_user param", 1);
     }
 
+    if (empty($branch)) {
+        $branch = 'master';
+    }
+
     $releases_dir = $app_dir . '/releases';
     $storage_dir = $app_dir . '/storage';
     $release_no = date('YmdHis');
@@ -30,7 +34,8 @@
     echo 'Cloning repository'
     [ -d {{ $app_dir }} ] || mkdir {{ $app_dir }}
     [ -d {{ $releases_dir }} ] || mkdir {{ $releases_dir }}
-    git clone --depth 1 {{ $repository }} {{ $new_release_dir }}
+    echo '克隆分支 {{ $branch }} 到 {{ $new_release_dir }}'
+    git clone -b {{ $branch }} --depth 1 {{ $repository }} {{ $new_release_dir }}
 @endtask
 
 @task('run_composer')