diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index 4f9b308..4ffc571 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -4,7 +4,8 @@
       "Bash(mvn compile:*)",
       "Bash(sed:*)",
       "Bash(grep:*)",
-      "Bash(export:*)"
+      "Bash(export:*)",
+      "Bash(git:*)"
     ]
   }
 }
diff --git a/reading-platform-frontend/src/components/course-edit/Step1BasicInfo.vue b/reading-platform-frontend/src/components/course-edit/Step1BasicInfo.vue
index 345cac2..f346e1f 100644
--- a/reading-platform-frontend/src/components/course-edit/Step1BasicInfo.vue
+++ b/reading-platform-frontend/src/components/course-edit/Step1BasicInfo.vue
@@ -133,7 +133,7 @@ import type { Theme } from '@/api/theme';
 
 interface BasicInfoData {
   name: string;
-  themeId: number | undefined;
+  themeId: number | string | undefined;
   grades: string[];
   pictureBookName: string;
   coreContent: string;
diff --git a/reading-platform-frontend/src/components/course-edit/Step4IntroLesson.vue b/reading-platform-frontend/src/components/course-edit/Step4IntroLesson.vue
index c2a8a3f..1e06a62 100644
--- a/reading-platform-frontend/src/components/course-edit/Step4IntroLesson.vue
+++ b/reading-platform-frontend/src/components/course-edit/Step4IntroLesson.vue
@@ -63,7 +63,7 @@ import { getLessonByType, createLesson, updateLesson, deleteLesson as deleteLess
 import { parseAssessmentDataForDisplay } from '@/utils/assessmentData';
 
 interface Props {
-  courseId: number;
+  courseId: number | string;
 }
 
 const props = defineProps<Props>();
diff --git a/reading-platform-frontend/src/components/course-edit/Step5CollectiveLesson.vue b/reading-platform-frontend/src/components/course-edit/Step5CollectiveLesson.vue
index f3a0406..b0a19cc 100644
--- a/reading-platform-frontend/src/components/course-edit/Step5CollectiveLesson.vue
+++ b/reading-platform-frontend/src/components/course-edit/Step5CollectiveLesson.vue
@@ -63,7 +63,7 @@ import { getLessonByType, createLesson as createLessonApi, updateLesson, deleteL
 import { parseAssessmentDataForDisplay } from '@/utils/assessmentData';
 
 interface Props {
-  courseId: number;
+  courseId: number | string;
   courseName: string;
 }
 
diff --git a/reading-platform-frontend/src/components/course-edit/Step6DomainLessons.vue b/reading-platform-frontend/src/components/course-edit/Step6DomainLessons.vue
index 51461db..83d702e 100644
--- a/reading-platform-frontend/src/components/course-edit/Step6DomainLessons.vue
+++ b/reading-platform-frontend/src/components/course-edit/Step6DomainLessons.vue
@@ -106,7 +106,7 @@ interface DomainConfig {
 }
 
 interface Props {
-  courseId: number;
+  courseId: number | string;
   courseName: string;
 }
 
diff --git a/reading-platform-frontend/src/components/course/LessonConfigPanel.vue b/reading-platform-frontend/src/components/course/LessonConfigPanel.vue
index 02ca34b..03c78d9 100644
--- a/reading-platform-frontend/src/components/course/LessonConfigPanel.vue
+++ b/reading-platform-frontend/src/components/course/LessonConfigPanel.vue
@@ -200,7 +200,7 @@ import LessonStepsEditor from './LessonStepsEditor.vue';
 import type { StepData } from './LessonStepsEditor.vue';
 
 export interface LessonData {
-  id?: number;
+  id?: number | string;
   tempId?: string;
   lessonType: string;
   name: string;
diff --git a/reading-platform-frontend/src/components/course/LessonStepsEditor.vue b/reading-platform-frontend/src/components/course/LessonStepsEditor.vue
index 14c7f2d..86043a8 100644
--- a/reading-platform-frontend/src/components/course/LessonStepsEditor.vue
+++ b/reading-platform-frontend/src/components/course/LessonStepsEditor.vue
@@ -95,7 +95,7 @@ import {
 } from '@ant-design/icons-vue';
 
 export interface StepData {
-  id?: number;
+  id?: number | string;
   tempId?: string;
   name: string;
   content: string;
diff --git a/reading-platform-frontend/src/views/admin/collections/CollectionListView.vue b/reading-platform-frontend/src/views/admin/collections/CollectionListView.vue
index 0ab9d57..7497f05 100644
--- a/reading-platform-frontend/src/views/admin/collections/CollectionListView.vue
+++ b/reading-platform-frontend/src/views/admin/collections/CollectionListView.vue
@@ -163,7 +163,7 @@ const fetchData = async () => {
       ...(filters.status ? { status: filters.status } : {}),
     });
     dataSource.value = data.items;
-    pagination.total = data.total;
+    pagination.total = Number(data.total);
   } catch (error) {
     console.error('获取套餐列表失败', error);
     message.error('获取套餐列表失败');
diff --git a/reading-platform-frontend/src/views/admin/courses/CourseListView.vue b/reading-platform-frontend/src/views/admin/courses/CourseListView.vue
index 1babe60..98e590c 100644
--- a/reading-platform-frontend/src/views/admin/courses/CourseListView.vue
+++ b/reading-platform-frontend/src/views/admin/courses/CourseListView.vue
@@ -267,7 +267,7 @@ const fetchCourses = async () => {
 
     // API 已统一返回 { items, total, page, pageSize }
     courses.value = (data as any).items || [];
-    pagination.total = (data as any).total || 0;
+    pagination.total = Number((data as any).total) || 0;
     console.log('📊 课程列表数据:', courses.value, '总数:', pagination.total);
   } catch (error) {
     console.error('获取课程包列表失败:', error);
diff --git a/reading-platform-frontend/src/views/admin/courses/CourseReviewView.vue b/reading-platform-frontend/src/views/admin/courses/CourseReviewView.vue
index b9b9406..20c2219 100644
--- a/reading-platform-frontend/src/views/admin/courses/CourseReviewView.vue
+++ b/reading-platform-frontend/src/views/admin/courses/CourseReviewView.vue
@@ -250,7 +250,7 @@ const fetchCourses = async () => {
       // 已驳回的课程不显示「通过」，待审核的默认通过（能提交的已过基本验证）
       validationPassed: item.status !== 'REJECTED',
     }));
-    pagination.total = data.total || 0;
+    pagination.total = Number(data.total) || 0;
   } catch (error) {
     console.error('获取审核列表失败:', error);
     message.error('获取审核列表失败');
diff --git a/reading-platform-frontend/src/views/admin/courses/components/Step1BasicInfo.vue b/reading-platform-frontend/src/views/admin/courses/components/Step1BasicInfo.vue
index 4ba0ace..07fa3f2 100644
--- a/reading-platform-frontend/src/views/admin/courses/components/Step1BasicInfo.vue
+++ b/reading-platform-frontend/src/views/admin/courses/components/Step1BasicInfo.vue
@@ -130,7 +130,7 @@ import type { Theme } from '@/api/theme';
 
 interface BasicInfoData {
   name: string;
-  themeId: number | undefined;
+  themeId: number | string | undefined;
   grades: string[];
   pictureBookName: string;
   coreContent: string;
diff --git a/reading-platform-frontend/src/views/admin/courses/components/Step4IntroLesson.vue b/reading-platform-frontend/src/views/admin/courses/components/Step4IntroLesson.vue
index 99f2879..699900e 100644
--- a/reading-platform-frontend/src/views/admin/courses/components/Step4IntroLesson.vue
+++ b/reading-platform-frontend/src/views/admin/courses/components/Step4IntroLesson.vue
@@ -58,7 +58,7 @@ import type { LessonData } from '@/components/course/LessonConfigPanel.vue';
 import { getLessonByType, createLesson, updateLesson, deleteLesson as deleteLessonApi } from '@/api/lesson';
 
 interface Props {
-  courseId: number;
+  courseId: number | string;
 }
 
 const props = defineProps<Props>();
diff --git a/reading-platform-frontend/src/views/admin/courses/components/Step5CollectiveLesson.vue b/reading-platform-frontend/src/views/admin/courses/components/Step5CollectiveLesson.vue
index d8c9cb2..98a3c14 100644
--- a/reading-platform-frontend/src/views/admin/courses/components/Step5CollectiveLesson.vue
+++ b/reading-platform-frontend/src/views/admin/courses/components/Step5CollectiveLesson.vue
@@ -58,7 +58,7 @@ import type { LessonData } from '@/components/course/LessonConfigPanel.vue';
 import { getLessonByType, createLesson as createLessonApi, updateLesson, deleteLesson as deleteLessonApi } from '@/api/lesson';
 
 interface Props {
-  courseId: number;
+  courseId: number | string;
   courseName: string;
 }
 
diff --git a/reading-platform-frontend/src/views/admin/courses/components/Step6DomainLessons.vue b/reading-platform-frontend/src/views/admin/courses/components/Step6DomainLessons.vue
index 4b86b96..fa22017 100644
--- a/reading-platform-frontend/src/views/admin/courses/components/Step6DomainLessons.vue
+++ b/reading-platform-frontend/src/views/admin/courses/components/Step6DomainLessons.vue
@@ -101,7 +101,7 @@ interface DomainConfig {
 }
 
 interface Props {
-  courseId: number;
+  courseId: number | string;
   courseName: string;
 }
 
diff --git a/reading-platform-frontend/src/views/admin/packages/PackageReviewView.vue b/reading-platform-frontend/src/views/admin/packages/PackageReviewView.vue
index 31061b3..4bd4591 100644
--- a/reading-platform-frontend/src/views/admin/packages/PackageReviewView.vue
+++ b/reading-platform-frontend/src/views/admin/packages/PackageReviewView.vue
@@ -218,7 +218,7 @@ const fetchPackages = async () => {
       pageSize: pagination.pageSize,
     }) as any;
     packages.value = res.list || [];
-    pagination.total = res.total || 0;
+    pagination.total = Number(res.total) || 0;
   } catch (error) {
     console.error('获取套餐列表失败:', error);
     message.error('获取套餐列表失败');
diff --git a/reading-platform-frontend/src/views/admin/resources/ResourceListView.vue b/reading-platform-frontend/src/views/admin/resources/ResourceListView.vue
index 3d94616..8d64112 100644
--- a/reading-platform-frontend/src/views/admin/resources/ResourceListView.vue
+++ b/reading-platform-frontend/src/views/admin/resources/ResourceListView.vue
@@ -511,7 +511,7 @@ const fetchItems = async () => {
       ...filters,
     });
     items.value = result?.list ?? [];
-    pagination.total = result?.total ?? 0;
+    pagination.total = Number(result?.total) ?? 0;
   } catch (error) {
     message.error('获取资源列表失败');
   } finally {
diff --git a/reading-platform-frontend/src/views/admin/tenants/TenantListView.vue b/reading-platform-frontend/src/views/admin/tenants/TenantListView.vue
index cdaaa68..0a87894 100644
--- a/reading-platform-frontend/src/views/admin/tenants/TenantListView.vue
+++ b/reading-platform-frontend/src/views/admin/tenants/TenantListView.vue
@@ -483,7 +483,7 @@ const loadData = async () => {
       collectionId: searchForm.collectionId,
     });
     tenants.value = res.list;
-    pagination.total = res.total;
+    pagination.total = Number(res.total);
   } catch (error) {
     console.error('加载租户列表失败', error);
   } finally {
diff --git a/reading-platform-frontend/src/views/school/classes/ClassListView.vue b/reading-platform-frontend/src/views/school/classes/ClassListView.vue
index 1534ee5..2f9d1dd 100644
--- a/reading-platform-frontend/src/views/school/classes/ClassListView.vue
+++ b/reading-platform-frontend/src/views/school/classes/ClassListView.vue
@@ -569,7 +569,7 @@ const loadClassStudents = async (classId: number) => {
       pageSize: studentsPagination.pageSize,
     });
     classStudents.value = result.list;
-    studentsPagination.total = result.total;
+    studentsPagination.total = Number(result.total);
   } catch (error) {
     console.error('Failed to load class students:', error);
   } finally {
diff --git a/reading-platform-frontend/src/views/school/courses/CourseListView.vue b/reading-platform-frontend/src/views/school/courses/CourseListView.vue
index 8ea2c29..e216b80 100644
--- a/reading-platform-frontend/src/views/school/courses/CourseListView.vue
+++ b/reading-platform-frontend/src/views/school/courses/CourseListView.vue
@@ -246,7 +246,7 @@ const loading = ref(false);
 const authLoading = ref(false);
 const authModalVisible = ref(false);
 const searchKeyword = ref('');
-const selectedCourseIds = ref<number[]>([]);
+const selectedCourseIds = ref<(number | string)[]>([]);
 
 // 筛选条件（参考教师端）
 const filters = reactive({
@@ -401,7 +401,7 @@ const searchCourses = () => {
   }, 500);
 };
 
-const toggleCourseSelection = (id: number) => {
+const toggleCourseSelection = (id: number | string) => {
   const index = selectedCourseIds.value.indexOf(id);
   if (index > -1) {
     selectedCourseIds.value.splice(index, 1);
diff --git a/reading-platform-frontend/src/views/school/feedback/FeedbackView.vue b/reading-platform-frontend/src/views/school/feedback/FeedbackView.vue
index 655b9c2..7bf5491 100644
--- a/reading-platform-frontend/src/views/school/feedback/FeedbackView.vue
+++ b/reading-platform-frontend/src/views/school/feedback/FeedbackView.vue
@@ -330,7 +330,7 @@ const fetchFeedbacks = async () => {
       teacherId: filters.teacherId,
     });
     feedbacks.value = result.list;
-    pagination.total = result.total;
+    pagination.total = Number(result.total);
   } catch (error) {
     message.error('获取反馈列表失败');
   } finally {
diff --git a/reading-platform-frontend/src/views/school/parents/ParentListView.vue b/reading-platform-frontend/src/views/school/parents/ParentListView.vue
index 52e35e0..242c5b2 100644
--- a/reading-platform-frontend/src/views/school/parents/ParentListView.vue
+++ b/reading-platform-frontend/src/views/school/parents/ParentListView.vue
@@ -449,7 +449,7 @@ const loadParents = async () => {
       keyword: searchKeyword.value || undefined,
     });
     parents.value = result.list;
-    pagination.total = result.total;
+    pagination.total = Number(result.total);
   } catch (error) {
     console.error('Failed to load parents:', error);
   } finally {
@@ -684,7 +684,7 @@ const loadStudentsForSelect = async () => {
       classId: studentClassFilter.value || undefined,
     });
     studentTableData.value = result.list;
-    studentPagination.total = result.total;
+    studentPagination.total = Number(result.total);
   } catch (error) {
     console.error('Failed to load students:', error);
     studentTableData.value = [];
diff --git a/reading-platform-frontend/src/views/school/settings/OperationLogView.vue b/reading-platform-frontend/src/views/school/settings/OperationLogView.vue
index 1fa6e30..8b5e607 100644
--- a/reading-platform-frontend/src/views/school/settings/OperationLogView.vue
+++ b/reading-platform-frontend/src/views/school/settings/OperationLogView.vue
@@ -219,7 +219,7 @@ const loadLogs = async () => {
       ...filters,
     });
     logs.value = res.list;
-    pagination.total = res.total;
+    pagination.total = Number(res.total);
   } catch (error) {
     message.error('加载日志失败');
   } finally {
@@ -241,7 +241,7 @@ const loadModules = async () => {
 const loadStats = async () => {
   try {
     const res = await getOperationLogStats(filters.startDate, filters.endDate);
-    stats.total = res.total;
+    stats.total = Number(res.total);
     stats.modules = res.modules || [];
   } catch (error) {
     console.error('加载统计失败', error);
diff --git a/reading-platform-frontend/src/views/school/students/StudentListView.vue b/reading-platform-frontend/src/views/school/students/StudentListView.vue
index 15a4ce8..3ff003c 100644
--- a/reading-platform-frontend/src/views/school/students/StudentListView.vue
+++ b/reading-platform-frontend/src/views/school/students/StudentListView.vue
@@ -444,7 +444,7 @@ const loadStudents = async () => {
       keyword: searchKeyword.value || undefined,
     });
     students.value = result.list;
-    pagination.total = result.total;
+    pagination.total = Number(result.total);
   } catch (error) {
     console.error('Failed to load students:', error);
   } finally {
diff --git a/reading-platform-frontend/src/views/school/teachers/TeacherListView.vue b/reading-platform-frontend/src/views/school/teachers/TeacherListView.vue
index 3223f33..25b68da 100644
--- a/reading-platform-frontend/src/views/school/teachers/TeacherListView.vue
+++ b/reading-platform-frontend/src/views/school/teachers/TeacherListView.vue
@@ -329,7 +329,7 @@ const loadTeachers = async () => {
       keyword: searchKeyword.value || undefined,
     });
     teachers.value = result.list;
-    pagination.total = result.total;
+    pagination.total = Number(result.total);
   } catch (error) {
     console.error('Failed to load teachers:', error);
   } finally {
diff --git a/reading-platform-frontend/src/views/teacher/courses/CourseListView.vue b/reading-platform-frontend/src/views/teacher/courses/CourseListView.vue
index 6a42a5c..85fbd75 100644
--- a/reading-platform-frontend/src/views/teacher/courses/CourseListView.vue
+++ b/reading-platform-frontend/src/views/teacher/courses/CourseListView.vue
@@ -322,7 +322,7 @@ const loadCourses = async () => {
         pictureUrl: item.coverImagePath ?? item.pictureUrl,
       };
     });
-    pagination.total = data.total || 0;
+    pagination.total = Number(data.total) || 0;
   } catch (error: any) {
     message.error(error.message || '获取课程列表失败');
   } finally {
diff --git a/reading-platform-frontend/src/views/teacher/courses/PrepareModeView.vue b/reading-platform-frontend/src/views/teacher/courses/PrepareModeView.vue
index 0611661..1213c99 100644
--- a/reading-platform-frontend/src/views/teacher/courses/PrepareModeView.vue
+++ b/reading-platform-frontend/src/views/teacher/courses/PrepareModeView.vue
@@ -109,7 +109,7 @@ const loading = ref(false);
 
 // 导航状态
 const selectedSection = ref<'overview' | 'lesson'>('overview');
-const selectedLessonId = ref<number | null>(null);
+const selectedLessonId = ref<number | string | null>(null);
 const selectedItem = ref<string>('basic');
 const selectedStep = ref<any>(null);
 
diff --git a/reading-platform-frontend/src/views/teacher/courses/components/LessonCard.vue b/reading-platform-frontend/src/views/teacher/courses/components/LessonCard.vue
index 43eadb5..7470d18 100644
--- a/reading-platform-frontend/src/views/teacher/courses/components/LessonCard.vue
+++ b/reading-platform-frontend/src/views/teacher/courses/components/LessonCard.vue
@@ -88,7 +88,7 @@ import {
 
 const props = defineProps<{
   lesson: any;
-  courseId: number;
+  courseId: number | string;
   lessonType: string;
   index: number;
 }>();
diff --git a/reading-platform-frontend/src/views/teacher/courses/components/PrepareNavigation.vue b/reading-platform-frontend/src/views/teacher/courses/components/PrepareNavigation.vue
index cbfd0e2..87935f7 100644
--- a/reading-platform-frontend/src/views/teacher/courses/components/PrepareNavigation.vue
+++ b/reading-platform-frontend/src/views/teacher/courses/components/PrepareNavigation.vue
@@ -278,7 +278,7 @@ const props = defineProps<{
   course: any;
   lessons: any[];
   selectedSection: 'overview' | 'lesson';
-  selectedLessonId: number | null;
+  selectedLessonId: number | string | null;
   selectedItem: string;
 }>();
 
diff --git a/reading-platform-frontend/src/views/teacher/courses/components/SelectLessonsModal.vue b/reading-platform-frontend/src/views/teacher/courses/components/SelectLessonsModal.vue
index 27b3cfc..dc89d5f 100644
--- a/reading-platform-frontend/src/views/teacher/courses/components/SelectLessonsModal.vue
+++ b/reading-platform-frontend/src/views/teacher/courses/components/SelectLessonsModal.vue
@@ -117,7 +117,7 @@ const props = defineProps<{
 
 const emit = defineEmits<{
   'update:open': [value: boolean];
-  'confirm': [lessonIds: number[], mode: string];
+  'confirm': [lessonIds: (number | string)[], mode: string];
 }>();
 
 const visible = computed({
@@ -126,7 +126,7 @@ const visible = computed({
 });
 
 const selectionMode = ref<'all' | 'custom'>('all');
-const selectedLessonIds = ref<number[]>([]);
+const selectedLessonIds = ref<(number | string)[]>([]);
 
 // 按类型分组课程
 const introductionLesson = computed(() =>
diff --git a/reading-platform-frontend/src/views/teacher/feedback/FeedbackView.vue b/reading-platform-frontend/src/views/teacher/feedback/FeedbackView.vue
index 94745a5..833f298 100644
--- a/reading-platform-frontend/src/views/teacher/feedback/FeedbackView.vue
+++ b/reading-platform-frontend/src/views/teacher/feedback/FeedbackView.vue
@@ -308,7 +308,7 @@ const fetchFeedbacks = async () => {
       pageSize: pagination.pageSize,
     });
     feedbacks.value = result.items;
-    pagination.total = result.total;
+    pagination.total = Number(result.total);
   } catch (error) {
     message.error('获取反馈列表失败');
   } finally {
diff --git a/reading-platform-frontend/src/views/teacher/growth/GrowthRecordView.vue b/reading-platform-frontend/src/views/teacher/growth/GrowthRecordView.vue
index d46b8d3..b987aa1 100644
--- a/reading-platform-frontend/src/views/teacher/growth/GrowthRecordView.vue
+++ b/reading-platform-frontend/src/views/teacher/growth/GrowthRecordView.vue
@@ -335,7 +335,7 @@ const loadRecords = async () => {
       keyword: filters.keyword || undefined,
     });
     records.value = res.list || [];
-    pagination.total = res.total || 0;
+    pagination.total = Number(res.total) || 0;
   } catch (error) {
     message.error('加载档案失败');
   } finally {
diff --git a/reading-platform-frontend/src/views/teacher/school-courses/components/Step4IntroLesson.vue b/reading-platform-frontend/src/views/teacher/school-courses/components/Step4IntroLesson.vue
index c5ce3ae..634f936 100644
--- a/reading-platform-frontend/src/views/teacher/school-courses/components/Step4IntroLesson.vue
+++ b/reading-platform-frontend/src/views/teacher/school-courses/components/Step4IntroLesson.vue
@@ -11,7 +11,7 @@
 import Step4IntroLessonAdmin from '@/components/course-edit/Step4IntroLesson.vue';
 
 defineProps<{
-  schoolCourseId: number;
+  schoolCourseId: number | string;
   lessonData?: any;
 }>();
 
diff --git a/reading-platform-frontend/src/views/teacher/school-courses/components/Step5CollectiveLesson.vue b/reading-platform-frontend/src/views/teacher/school-courses/components/Step5CollectiveLesson.vue
index 889be27..cbf98ab 100644
--- a/reading-platform-frontend/src/views/teacher/school-courses/components/Step5CollectiveLesson.vue
+++ b/reading-platform-frontend/src/views/teacher/school-courses/components/Step5CollectiveLesson.vue
@@ -12,7 +12,7 @@
 import Step5CollectiveLessonAdmin from '@/components/course-edit/Step5CollectiveLesson.vue';
 
 defineProps<{
-  schoolCourseId: number;
+  schoolCourseId: number | string;
   lessonData?: any;
 }>();
 
diff --git a/reading-platform-frontend/src/views/teacher/school-courses/components/Step6DomainLessons.vue b/reading-platform-frontend/src/views/teacher/school-courses/components/Step6DomainLessons.vue
index ad5c822..d9a9e6f 100644
--- a/reading-platform-frontend/src/views/teacher/school-courses/components/Step6DomainLessons.vue
+++ b/reading-platform-frontend/src/views/teacher/school-courses/components/Step6DomainLessons.vue
@@ -12,7 +12,7 @@
 import Step6DomainLessonsAdmin from '@/components/course-edit/Step6DomainLessons.vue';
 
 defineProps<{
-  schoolCourseId: number;
+  schoolCourseId: number | string;
   domainLessons?: {
     LANGUAGE?: any;
     HEALTH?: any;