diff --git a/app/Console/Migrations/V20231201101515.php b/app/Console/Migrations/V20231201101515.php
deleted file mode 100644
index 0fbecd3f..00000000
--- a/app/Console/Migrations/V20231201101515.php
+++ /dev/null
@@ -1,87 +0,0 @@
-<?php
-/**
- * @copyright Copyright (c) 2023 深圳市酷瓜软件有限公司
- * @license https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
- * @link https://www.koogua.com
- */
-
-namespace App\Console\Migrations;
-
-use App\Models\ChapterUser as ChapterUserModel;
-use App\Models\CourseUser as CourseUserModel;
-use Phalcon\Mvc\Model\ResultsetInterface;
-
-class V20231201101515 extends Migration
-{
-
-    public function run()
-    {
-        $this->handleCourseUsers();
-        $this->handleChapterUsers();
-    }
-
-    protected function handleCourseUsers()
-    {
-        $courseUsers = $this->findCourseUsers();
-
-        if ($courseUsers->count() == 0) return;
-
-        $mappings = [];
-
-        /**
-         * 只保留第一条记录
-         */
-        foreach ($courseUsers as $courseUser) {
-            $key = $courseUser->course_id . '-' . $courseUser->user_id;
-            if (!isset($mappings[$key])) {
-                $mappings[$key] = 1;
-            } else {
-                $courseUser->deleted = 1;
-                $courseUser->update();
-            }
-        }
-    }
-
-    protected function handleChapterUsers()
-    {
-        $chapterUsers = $this->findChapterUsers();
-
-        if ($chapterUsers->count() == 0) return;
-
-        /**
-         * 只保留第一条记录
-         */
-        foreach ($chapterUsers as $chapterUser) {
-            $key = $chapterUser->chapter_id . '-' . $chapterUser->user_id;
-            if (!isset($mappings[$key])) {
-                $mappings[$key] = 1;
-            } else {
-                $chapterUser->deleted = 1;
-                $chapterUser->update();
-            }
-        }
-    }
-
-    /**
-     * @return ResultsetInterface|CourseUserModel[]
-     */
-    protected function findCourseUsers()
-    {
-        return CourseUserModel::query()
-            ->where('deleted = 0')
-            ->orderBy('id DESC')
-            ->execute();
-    }
-
-    /**
-     * @return ResultsetInterface|ChapterUserModel[]
-     */
-    protected function findChapterUsers()
-    {
-        return ChapterUserModel::query()
-            ->where('deleted = 0')
-            ->orderBy('id DESC')
-            ->execute();
-    }
-
-}
\ No newline at end of file
diff --git a/app/Repos/TeacherConsult.php b/app/Repos/TeacherConsult.php
index cc9025e2..8732b65b 100644
--- a/app/Repos/TeacherConsult.php
+++ b/app/Repos/TeacherConsult.php
@@ -9,7 +9,7 @@ namespace App\Repos;
 
 use App\Library\Paginator\Adapter\QueryBuilder as PagerQueryBuilder;
 use App\Models\Consult as ConsultModel;
-use App\Models\CourseUser as CourseUserModel;
+use App\Models\Course as CourseModel;
 
 class TeacherConsult extends Repository
 {
@@ -17,35 +17,34 @@ class TeacherConsult extends Repository
     public function paginate($where, $sort = 'latest', $page = 1, $limit = 15)
     {
         $builder = $this->modelsManager->createBuilder()
-            ->columns('c.*')
-            ->addFrom(ConsultModel::class, 'c')
-            ->join(CourseUserModel::class, 'c.course_id = cu.course_id', 'cu')
+            ->columns('consult.*')
+            ->addFrom(ConsultModel::class, 'consult')
+            ->join(CourseModel::class, 'consult.course_id = course.id', 'course')
             ->where('1 = 1');
 
-        if (!empty($where['user_id'])) {
-            $builder->andWhere('cu.user_id = :user_id:', ['user_id' => $where['user_id']]);
-            $builder->andWhere('cu.role_type = :role_type:', ['role_type' => CourseUserModel::ROLE_TEACHER]);
-            $builder->andWhere('cu.deleted = 0');
+        if (!empty($where['teacher_id'])) {
+            $builder->andWhere('course.teacher_id = :teacher_id:', ['teacher_id' => $where['teacher_id']]);
+            $builder->andWhere('course.published = 1');
+            $builder->andWhere('course.deleted = 0');
         }
 
         if (isset($where['replied'])) {
             if ($where['replied'] == 1) {
-                $builder->andWhere('c.reply_time > 0');
+                $builder->andWhere('consult.reply_time > 0');
             } else {
-                $builder->andWhere('c.reply_time = 0');
+                $builder->andWhere('consult.reply_time = 0');
             }
         }
 
-        $builder->andWhere('c.published = :published:', ['published' => ConsultModel::PUBLISH_APPROVED]);
-
-        $builder->andWhere('c.deleted = 0');
+        $builder->andWhere('consult.published = :published:', ['published' => ConsultModel::PUBLISH_APPROVED]);
+        $builder->andWhere('consult.deleted = 0');
 
         switch ($sort) {
             case 'oldest':
-                $orderBy = 'c.id ASC';
+                $orderBy = 'consult.id ASC';
                 break;
             default:
-                $orderBy = 'c.id DESC';
+                $orderBy = 'consult.id DESC';
                 break;
         }
 
diff --git a/app/Repos/TeacherCourse.php b/app/Repos/TeacherCourse.php
deleted file mode 100644
index b74a1ac9..00000000
--- a/app/Repos/TeacherCourse.php
+++ /dev/null
@@ -1,39 +0,0 @@
-<?php
-/**
- * @copyright Copyright (c) 2021 深圳市酷瓜软件有限公司
- * @license https://opensource.org/licenses/GPL-2.0
- * @link https://www.koogua.com
- */
-
-namespace App\Repos;
-
-use App\Library\Paginator\Adapter\QueryBuilder as PagerQueryBuilder;
-use App\Models\Course as CourseModel;
-use App\Models\CourseUser as CourseUserModel;
-
-class TeacherCourse extends Repository
-{
-
-    public function paginate($userId, $page = 1, $limit = 15)
-    {
-
-        $builder = $this->modelsManager->createBuilder()
-            ->columns('course.*')
-            ->addFrom(CourseModel::class, 'course')
-            ->join(CourseUserModel::class, 'course.id = cu.course_id', 'cu')
-            ->where('cu.user_id = :user_id:', ['user_id' => $userId])
-            ->andWhere('cu.role_type = :role_type:', ['role_type' => CourseUserModel::ROLE_TEACHER])
-            ->andWhere('course.published = 1')
-            ->andWhere('course.deleted = 0')
-            ->orderBy('cu.id DESC');
-
-        $pager = new PagerQueryBuilder([
-            'builder' => $builder,
-            'page' => $page,
-            'limit' => $limit,
-        ]);
-
-        return $pager->paginate();
-    }
-
-}