diff --git a/app/Http/Middleware/CheckIsEnableApi.php b/app/Http/Middleware/CheckIsEnableApi.php
new file mode 100644
index 00000000..31ddb6bc
--- /dev/null
+++ b/app/Http/Middleware/CheckIsEnableApi.php
@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use App\Enums\ConfigKey;
+use App\Http\Api;
+use App\Utils;
+use Closure;
+use Illuminate\Http\Request;
+
+class CheckIsEnableApi
+{
+    use Api;
+
+    public function handle(Request $request, Closure $next)
+    {
+        if (! Utils::config(ConfigKey::IsEnableApi)) {
+            return $this->error('管理员未启用 API')->setStatusCode(403);
+        }
+
+        return $next($request);
+    }
+}
diff --git a/resources/views/common/api.blade.php b/resources/views/common/api.blade.php
index 4b5abba6..7f5ef0ed 100644
--- a/resources/views/common/api.blade.php
+++ b/resources/views/common/api.blade.php
@@ -78,8 +78,43 @@
                     </tr>
                     </tbody>
                 </table>
-                <p class="text-sm my-2 text-red-500">超出请求配额后，程序将会返回 HTTP 429 Too Many Requests 错误。文档中接口的请求参数，使用红色「*」符号标注，则表示为必传项。</p>
             </div>
+
+            <div class="my-4 overflow-x-auto">
+                <p class="text-sm mb-2">响应状态码 HTTP Status Code 说明</p>
+                <table class="min-w-full">
+                    <thead class="bg-white border">
+                    <tr>
+                        <th scope="col" class="px-3 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider whitespace-nowrap">
+                            状态码
+                        </th>
+                        <th scope="col" class="px-3 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider whitespace-nowrap">
+                            说明
+                        </th>
+                    </tr>
+                    </thead>
+                    <tbody class="bg-white border divide-y text-sm">
+                    <tr>
+                        <td class="px-3 py-2 whitespace-nowrap">401</td>
+                        <td class="px-3 py-2 whitespace-nowrap">未登录或授权失败</td>
+                    </tr>
+                    <tr>
+                        <td class="px-3 py-2 whitespace-nowrap">403</td>
+                        <td class="px-3 py-2 whitespace-nowrap">管理员关闭了接口功能</td>
+                    </tr>
+                    <tr>
+                        <td class="px-3 py-2 whitespace-nowrap">429</td>
+                        <td class="px-3 py-2 whitespace-nowrap">超出请求配额，请求受限</td>
+                    </tr>
+                    <tr>
+                        <td class="px-3 py-2 whitespace-nowrap">500</td>
+                        <td class="px-3 py-2 whitespace-nowrap">服务端出现异常</td>
+                    </tr>
+                    </tbody>
+                </table>
+            </div>
+
+            <p class="text-sm my-2 text-red-500">文档中接口的请求参数，使用红色「*」符号标注，则表示为必传项。</p>
         </div>
 
         <p class="text-xl mb-2 text-gray-800 font-semibold">授权相关</p>
diff --git a/routes/api.php b/routes/api.php
index c80119d9..31621035 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -5,6 +5,7 @@ use App\Http\Controllers\Api\V1\ImageController;
 use App\Http\Controllers\Api\V1\AlbumController;
 use App\Http\Controllers\Api\V1\TokenController;
 use App\Http\Controllers\Api\V1\UserController;
+use App\Http\Middleware\CheckIsEnableApi;
 
 /*
 |--------------------------------------------------------------------------
@@ -17,7 +18,10 @@ use App\Http\Controllers\Api\V1\UserController;
 |
 */
 
-Route::group(['prefix' => 'v1'], function () {
+Route::group([
+    'prefix' => 'v1',
+    'middleware' => CheckIsEnableApi::class,
+], function () {
     Route::post('upload', [ImageController::class, 'upload']);
     Route::post('tokens', [TokenController::class, 'store'])->middleware('throttle:3,1');