diff --git a/database/migrations/20241220062635_create_article_leave_message.php b/database/migrations/20241220062635_create_article_leave_message.php
index e280c4a9..86fa2ff6 100644
--- a/database/migrations/20241220062635_create_article_leave_message.php
+++ b/database/migrations/20241220062635_create_article_leave_message.php
@@ -33,7 +33,7 @@ class CreateArticleLeaveMessage extends Migrator
             ->addColumn('email', 'string', ['limit' => 128, 'null' => false, 'comment' => '邮箱'])
             ->addColumn('content', 'text', ['null' => false, 'comment' => '内容'])
             ->addColumn('ip', 'string', ['limit' => 64, 'null' => false, 'comment' => 'IP'])
-            ->addColumn('user_agent', 'string', ['limit' => 255, 'null' => false, 'comment' => 'UserAgent'])
+            ->addColumn('user_agent', 'string', ['limit' => 1024, 'null' => false, 'comment' => 'UserAgent'])
             ->addColumn('is_audited', 'boolean', ['null' => false, 'default' => 0, 'comment' => '0待审核,1已审核'])
             ->addColumn('created_at', 'timestamp', ['null' => false, 'default' => 'CURRENT_TIMESTAMP', 'comment' => '创建时间'])
             ->addColumn('deleted_at', 'timestamp', ['null' => true, 'comment' => '删除时间'])
diff --git a/database/migrations/20241224025811_create_leave_message.php b/database/migrations/20241224025811_create_leave_message.php
index afd7e43e..7aaac7e4 100644
--- a/database/migrations/20241224025811_create_leave_message.php
+++ b/database/migrations/20241224025811_create_leave_message.php
@@ -33,7 +33,7 @@ class CreateLeaveMessage extends Migrator
             ->addColumn('email', 'string', ['limit' => 128, 'null' => false, 'comment' => '邮箱'])
             ->addColumn('content', 'text', ['null' => false, 'comment' => '内容'])
             ->addColumn('ip', 'string', ['limit' => 64, 'null' => false, 'comment' => 'IP'])
-            ->addColumn('user_agent', 'string', ['limit' => 255, 'null' => false, 'comment' => 'UserAgent'])
+            ->addColumn('user_agent', 'string', ['limit' => 1024, 'null' => false, 'comment' => 'UserAgent'])
             ->addColumn('created_at', 'timestamp', ['null' => false, 'default' => 'CURRENT_TIMESTAMP', 'comment' => '创建时间'])
             ->create();
     }
diff --git a/database/migrations/20241230060309_create_sys_user_login_log.php b/database/migrations/20241230060309_create_sys_user_login_log.php
index 873b9ece..b567e856 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' => true, 'default' => null, 'comment' => '登录设备UA信息'])
+            ->addColumn('user_agent', 'string', ['limit' => 1024, '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();
     }