diff --git a/app/Http/Controllers/Admin/CourseController.php b/app/Http/Controllers/Admin/CourseController.php
index 69b3193..15bbd2a 100755
--- a/app/Http/Controllers/Admin/CourseController.php
+++ b/app/Http/Controllers/Admin/CourseController.php
@@ -206,6 +206,7 @@ class CourseController extends BaseController
      *     @OA\Parameter(name="longitude", in="query", @OA\Schema(type="string"), description="经度"),
      *     @OA\Parameter(name="latitude", in="query", @OA\Schema(type="string"), description="纬度"),
      *     @OA\Parameter(name="address_detail", in="query", @OA\Schema(type="string"), description="详细地址"),
+     *     @OA\Parameter(name="url_title", in="query", @OA\Schema(type="string"), description="链接地址"),
      *     @OA\Response(
      *         response=200,
      *         description="操作成功"
diff --git a/app/Http/Controllers/Mobile/BookController.php b/app/Http/Controllers/Mobile/BookController.php
index 5655e3e..90e92d4 100644
--- a/app/Http/Controllers/Mobile/BookController.php
+++ b/app/Http/Controllers/Mobile/BookController.php
@@ -26,7 +26,7 @@ class BookController extends Controller
         // 分类数据
         $category = Book::get()->implode('category', ',');
         $category = explode(',', $category);
-        $category = array_unique($category);
+        $category = array_values(array_unique($category));
         return $this->success(compact('category'));
     }
 
diff --git a/database/migrations/2025_08_19_110651_alert_courses_table.php b/database/migrations/2025_08_19_110651_alert_courses_table.php
new file mode 100644
index 0000000..607f5c9
--- /dev/null
+++ b/database/migrations/2025_08_19_110651_alert_courses_table.php
@@ -0,0 +1,31 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('courses', function (Blueprint $table) {
+            $table->string('url_title')->nullable()->comment('链接标题');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('courses', function (Blueprint $table) {
+            //
+        });
+    }
+};