diff --git a/database/migrations/20241230060309_create_sys_user_login_log.php b/database/migrations/20241230060309_create_sys_user_login_log.php
index e8eab1e6..873b9ece 100644
--- a/database/migrations/20241230060309_create_sys_user_login_log.php
+++ b/database/migrations/20241230060309_create_sys_user_login_log.php
@@ -31,7 +31,7 @@ class CreateSysUserLoginLog extends Migrator
         $table = $this->table('sys_user_login_log', ['engine' => 'MyISAM', 'comment' => '系统用户登录日志表']);
         $table->addColumn('user_id', 'integer', ['null' => false, 'comment' => '用户ID'])
             ->addColumn('ip', 'integer', ['limit' => 11, 'signed' => false, 'null' => false, 'comment' => '登录IP'])
-            ->addColumn('user_agent', 'string', ['limit' => 255, 'null' => false, 'comment' => '登录设备UA信息'])
+            ->addColumn('user_agent', 'string', ['limit' => 255, 'null' => true, 'default' => null, 'comment' => '登录设备UA信息'])
             ->addColumn('created_at', 'timestamp', ['null' => false, 'default' => 'CURRENT_TIMESTAMP', 'comment' => '创建时间'])
             ->create();
     }