refactor(app): 优化邮件模板

app/Http/Controllers/Admin/CourseContentController.php

@@ -162,6 +162,8 @@ class CourseContentController extends BaseController
      *     @OA\Parameter(name="file_ids", in="query", @OA\Schema(type="string"), description="文件id数组"),
      *     @OA\Parameter(name="direction", in="query", @OA\Schema(type="string"), description="课程方向"),
      *     @OA\Parameter(name="remark", in="query", @OA\Schema(type="string"), description="备注"),
+     *     @OA\Parameter(name="salary", in="query", @OA\Schema(type="string"), description="课酬"),
+     *     @OA\Parameter(name="tutor", in="query", @OA\Schema(type="string"), description="导师"),
      *     @OA\Response(
      *         response=200,
      *         description="操作成功"

app/Http/Controllers/Admin/TeacherController.php

@@ -163,8 +163,6 @@ class TeacherController extends BaseController
      *     @OA\Parameter(name="sex", in="query", @OA\Schema(type="string"), description="性别"),
      *     @OA\Parameter(name="remark", in="query", @OA\Schema(type="string"), description="备注"),
      *     @OA\Parameter(name="introduce", in="query", @OA\Schema(type="string"), description="介绍"),
-     *     @OA\Parameter(name="salary", in="query", @OA\Schema(type="string"), description="课酬"),
-     *     @OA\Parameter(name="tutor", in="query", @OA\Schema(type="string"), description="导师"),
      *     @OA\Response(
      *         response=200,
      *         description="操作成功"

database/migrations/2025_09_08_140732_alert_course_contents_table.php

@@ -12,7 +12,7 @@ return new class extends Migration {
      */
     public function up()
     {
-        Schema::table('teachers', function (Blueprint $table) {
+        Schema::table('course_contents', function (Blueprint $table) {
             // 课酬
             $table->string('salary')->nullable()->comment('课酬');
             // 导师