diff --git a/backend/.watcher.php b/backend/.watcher.php
new file mode 100644
index 0000000..39f4bab
--- /dev/null
+++ b/backend/.watcher.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://hyperf.wiki
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
+use Hyperf\Watcher\Driver\ScanFileDriver;
+
+return [
+    'driver' => ScanFileDriver::class,
+    'bin' => PHP_BINARY,
+    'watch' => [
+        'dir' => ['app', 'config'],
+        'file' => ['.env'],
+        'scan_interval' => 2000,
+    ],
+    'ext' => ['.php', '.env'],
+];
diff --git a/backend/composer.json b/backend/composer.json
index 7b4a416..9e5cb7c 100644
--- a/backend/composer.json
+++ b/backend/composer.json
@@ -28,12 +28,14 @@
         "hyperf/http-server": "~3.1.0",
         "hyperf/logger": "~3.1.0",
         "hyperf/memory": "~3.1.0",
-        "hyperf/process": "~3.1.0"
+        "hyperf/process": "~3.1.0",
+        "hyperf/rate-limit": "^3.1"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.0",
         "hyperf/devtool": "~3.1.0",
         "hyperf/testing": "~3.1.0",
+        "hyperf/watcher": "^3.1",
         "mockery/mockery": "^1.0",
         "phpstan/phpstan": "^1.0",
         "swoole/ide-helper": "^5.0",
diff --git a/backend/config/autoload/rate_limit.php b/backend/config/autoload/rate_limit.php
new file mode 100644
index 0000000..bdf8151
--- /dev/null
+++ b/backend/config/autoload/rate_limit.php
@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * This file is part of Hyperf.
+ *
+ * @link     https://www.hyperf.io
+ * @document https://hyperf.wiki
+ * @contact  group@hyperf.io
+ * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
+ */
+use Hyperf\RateLimit\Storage\RedisStorage;
+use App\Storage\EmptyStorage;
+
+# @TODO 移除 redis 依赖，减少服务依赖
+
+return [
+    'create' => 1,
+    'consume' => 1,
+    'capacity' => 2,
+    'limitCallback' => [],
+    'waitTimeout' => 1,
+    'storage' => [
+        // 'class' => RedisStorage::class,
+        'class' => EmptyStorage::class,
+        'options' => [
+            'pool' => 'default',
+            'expired_time' => 0,
+        ],
+    ],
+];