diff --git a/catch/permissions/database/migrations/20200409023815_change_permissions.php b/catch/permissions/database/migrations/20200409023815_change_permissions.php
index f65b582..1d22efa 100644
--- a/catch/permissions/database/migrations/20200409023815_change_permissions.php
+++ b/catch/permissions/database/migrations/20200409023815_change_permissions.php
@@ -28,12 +28,14 @@ class ChangePermissions extends Migrator
      */
     public function change()
     {
-        $table = $this->table('permissions');
+        if ($this->hasTable('permissions')) {
+            $table = $this->table('permissions');
 
-        $table->addColumn('component', 'string', ['default' => '', 'comment' => '组件名称', 'limit' => '255', 'after' => 'permission_mark'])
-              ->addColumn('redirect', 'string', ['default' => '', 'comment' => '跳转地址', 'limit' => '255', 'after' => 'component'])
-              ->addColumn('hide_children_in_menu', 'integer', ['limit' => \Phinx\Db\Adapter\MysqlAdapter::INT_TINY,'default'=> 1,'comment'=>'1 显示 2隐藏', 'after' => 'redirect'])
-              ->addColumn('keep_alive', 'integer', ['limit' => \Phinx\Db\Adapter\MysqlAdapter::INT_TINY,'default'=> 1,'comment'=>'1 缓存 2 不存在 ', 'after' => 'hide_children_in_menu'])
-              ->update();
+            $table->addColumn('component', 'string', ['default' => '', 'comment' => '组件名称', 'limit' => '255', 'after' => 'permission_mark'])
+                ->addColumn('redirect', 'string', ['default' => '', 'comment' => '跳转地址', 'limit' => '255', 'after' => 'component'])
+                ->addColumn('hide_children_in_menu', 'integer', ['limit' => \Phinx\Db\Adapter\MysqlAdapter::INT_TINY, 'default' => 1, 'comment' => '1 显示 2隐藏', 'after' => 'redirect'])
+                ->addColumn('keep_alive', 'integer', ['limit' => \Phinx\Db\Adapter\MysqlAdapter::INT_TINY, 'default' => 1, 'comment' => '1 缓存 2 不存在 ', 'after' => 'hide_children_in_menu'])
+                ->update();
+        }
     }
 }
diff --git a/catch/permissions/database/migrations/20200422080926_permissions_add_column.php b/catch/permissions/database/migrations/20200422080926_permissions_add_column.php
index 68b05f6..4fe8cda 100644
--- a/catch/permissions/database/migrations/20200422080926_permissions_add_column.php
+++ b/catch/permissions/database/migrations/20200422080926_permissions_add_column.php
@@ -28,9 +28,11 @@ class PermissionsAddColumn extends Migrator
      */
     public function change()
     {
-        $table = $this->table('permissions');
+        if ($this->hasTable('permissions')) {
+            $table = $this->table('permissions');
 
-        $table->addColumn('level', 'string', ['default' => '', 'comment' => '层级', 'limit' => '50', 'after' => 'parent_id'])
-              ->update();
+            $table->addColumn('level', 'string', ['default' => '', 'comment' => '层级', 'limit' => '50', 'after' => 'parent_id'])
+                ->update();
+        }
     }
 }