diff --git a/app/Http/Controllers/Api/Admin/AuthController.php b/app/Http/Controllers/Api/Admin/AuthController.php
index 7ff1a9c..52b4049 100644
--- a/app/Http/Controllers/Api/Admin/AuthController.php
+++ b/app/Http/Controllers/Api/Admin/AuthController.php
@@ -43,10 +43,32 @@ public function login(Request $request): JsonResponse
                 'password' => 'required|string',
             ]);
 
+            // 添加請求日誌
+            Log::info('Login attempt details', [
+                'email' => $validated['email'],
+                'request_data' => $request->all()
+            ]);
+
             /** @var Admin|null $admin */
             $admin = Admin::where('email', $validated['email'])->first();
 
+            // 添加用戶查詢日誌
+            Log::info('Admin query result', [
+                'admin_found' => $admin ? 'yes' : 'no',
+                'admin_data' => $admin ? [
+                    'id' => $admin->id,
+                    'email' => $admin->email,
+                    'role' => $admin->role
+                ] : null
+            ]);
+
             if (!$admin || !Hash::check($validated['password'], $admin->password)) {
+                // 添加密碼驗證日誌
+                Log::info('Password verification failed', [
+                    'has_admin' => $admin ? 'yes' : 'no',
+                    'password_check' => $admin ? Hash::check($validated['password'], $admin->password) : 'admin not found'
+                ]);
+
                 return $this->error(
                     ErrorCode::INVALID_CREDENTIALS,
                     ErrorCode::getMessage(ErrorCode::INVALID_CREDENTIALS)
@@ -71,6 +93,9 @@ public function login(Request $request): JsonResponse
             ]);
 
         } catch (ValidationException $e) {
+            Log::error('Validation error during login', [
+                'errors' => $e->errors(),
+            ]);
             return $this->error(
                 ErrorCode::VALIDATION_ERROR,
                 ErrorCode::getMessage(ErrorCode::VALIDATION_ERROR),
@@ -80,6 +105,8 @@ public function login(Request $request): JsonResponse
             Log::error('Error during admin login', [
                 'error' => $e->getMessage(),
                 'trace' => $e->getTraceAsString(),
+                'file' => $e->getFile(),
+                'line' => $e->getLine()
             ]);
 
             return $this->error(
diff --git a/app/Models/Admin.php b/app/Models/Admin.php
index d1f851a..d075b48 100644
--- a/app/Models/Admin.php
+++ b/app/Models/Admin.php
@@ -6,9 +6,12 @@
 
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Foundation\Auth\User as Authenticatable;
+use Laravel\Sanctum\HasApiTokens;
 
 class Admin extends Authenticatable
 {
+    use HasApiTokens;
+
     /**
      * 管理员角色常量
      */
diff --git a/composer.json b/composer.json
index e67359e..294879a 100644
--- a/composer.json
+++ b/composer.json
@@ -8,6 +8,7 @@
     "require": {
         "php": "^8.2",
         "laravel/framework": "^11.31",
+        "laravel/sanctum": "^4.0",
         "laravel/tinker": "^2.9",
         "predis/predis": "^2.3"
     },
diff --git a/composer.lock b/composer.lock
index ba6c650..4b1bb17 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "3c2add9f85c3cab994b57b6b8ff1eb72",
+    "content-hash": "e7dd48d806ba5d560c773b49c46386e5",
     "packages": [
         {
             "name": "brick/math",
@@ -1326,6 +1326,70 @@
             },
             "time": "2024-11-12T14:59:47+00:00"
         },
+        {
+            "name": "laravel/sanctum",
+            "version": "v4.0.5",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/laravel/sanctum.git",
+                "reference": "fe361b9a63407a228f884eb78d7217f680b50140"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/laravel/sanctum/zipball/fe361b9a63407a228f884eb78d7217f680b50140",
+                "reference": "fe361b9a63407a228f884eb78d7217f680b50140",
+                "shasum": ""
+            },
+            "require": {
+                "ext-json": "*",
+                "illuminate/console": "^11.0",
+                "illuminate/contracts": "^11.0",
+                "illuminate/database": "^11.0",
+                "illuminate/support": "^11.0",
+                "php": "^8.2",
+                "symfony/console": "^7.0"
+            },
+            "require-dev": {
+                "mockery/mockery": "^1.6",
+                "orchestra/testbench": "^9.0",
+                "phpstan/phpstan": "^1.10",
+                "phpunit/phpunit": "^10.5"
+            },
+            "type": "library",
+            "extra": {
+                "laravel": {
+                    "providers": [
+                        "Laravel\\Sanctum\\SanctumServiceProvider"
+                    ]
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Laravel\\Sanctum\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Taylor Otwell",
+                    "email": "taylor@laravel.com"
+                }
+            ],
+            "description": "Laravel Sanctum provides a featherweight authentication system for SPAs and simple APIs.",
+            "keywords": [
+                "auth",
+                "laravel",
+                "sanctum"
+            ],
+            "support": {
+                "issues": "https://github.com/laravel/sanctum/issues",
+                "source": "https://github.com/laravel/sanctum"
+            },
+            "time": "2024-11-26T14:36:23+00:00"
+        },
         {
             "name": "laravel/serializable-closure",
             "version": "v2.0.0",
diff --git a/config/auth.php b/config/auth.php
index 0ba5d5d..2ee904e 100644
--- a/config/auth.php
+++ b/config/auth.php
@@ -40,6 +40,10 @@
             'driver' => 'session',
             'provider' => 'users',
         ],
+        'admin' => [
+            'driver' => 'sanctum',
+            'provider' => 'admins',
+        ],
     ],
 
     /*
@@ -62,13 +66,12 @@
     'providers' => [
         'users' => [
             'driver' => 'eloquent',
-            'model' => env('AUTH_MODEL', App\Models\User::class),
+            'model' => App\Models\User::class,
+        ],
+        'admins' => [
+            'driver' => 'eloquent',
+            'model' => App\Models\Admin::class,
         ],
-
-        // 'users' => [
-        //     'driver' => 'database',
-        //     'table' => 'users',
-        // ],
     ],
 
     /*
diff --git a/database/sql/init.sql b/database/sql/init.sql
index b328a68..64b648c 100644
--- a/database/sql/init.sql
+++ b/database/sql/init.sql
@@ -4,8 +4,27 @@ INSERT INTO `admins` (`username`, `email`, `password`, `role`, `created_at`, `up
 VALUES (
     'admin',
     'admin@cv6.me',
-    '$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi',  -- 'abc123' 的 bcrypt hash
+    '$2y$12$co71F.UxUP.TGvI/fMD4JuYS.meR7yoKfPQjQ43hOF.NXIBDn5dRm',  -- 'abc123' 的新 hash
     'super',
     CURRENT_TIMESTAMP,
     CURRENT_TIMESTAMP
 );
+
+-- 插入預設的 LLM Provider
+INSERT INTO `llm_providers` (
+    `name`,
+    `service_name`,
+    `api_url`,
+    `api_token`,
+    `status`,
+    `created_at`,
+    `updated_at`
+) VALUES (
+    'OpenAI',
+    'openai',
+    'https://api.openai.com/v1',
+    'sk-default-token',
+    'active',
+    CURRENT_TIMESTAMP,
+    CURRENT_TIMESTAMP
+);