diff --git a/src/api/admin-role.ts b/src/api/admin-role.ts
index aa07272..d5c0e65 100644
--- a/src/api/admin-role.ts
+++ b/src/api/admin-role.ts
@@ -29,3 +29,7 @@ export function updateAdminRole(
     permission_ids: permissionIds,
   });
 }
+
+export function destroyAdminRole(id: number) {
+  return client.destroy(`/backend/v1/admin-role/${id}`);
+}
diff --git a/src/api/admin-user.ts b/src/api/admin-user.ts
index e1a43f8..fee8f0e 100644
--- a/src/api/admin-user.ts
+++ b/src/api/admin-user.ts
@@ -48,3 +48,7 @@ export function updateAdminUser(
     role_ids: roleIds,
   });
 }
+
+export function destroyAdminUser(id: number) {
+  return client.destroy(`/backend/v1/admin-user/${id}`);
+}
diff --git a/src/api/course-category.ts b/src/api/course-category.ts
new file mode 100644
index 0000000..14d49a7
--- /dev/null
+++ b/src/api/course-category.ts
@@ -0,0 +1,42 @@
+import client from "./internal/httpClient";
+
+export function courseCategoryList() {
+  return client.get("/backend/v1/course-category/index", {});
+}
+
+export function createCourseCategory() {
+  return client.get("/backend/v1/course-category/create", {});
+}
+
+export function storeCourseCategory(
+  name: string,
+  parentId: number,
+  sort: number
+) {
+  return client.post("/backend/v1/course-category/create", {
+    name: name,
+    parent_id: parentId,
+    sort: sort,
+  });
+}
+
+export function courseCategory(id: number) {
+  return client.get(`/backend/v1/course-category/${id}`, {});
+}
+
+export function updateCourseCategory(
+  id: number,
+  name: string,
+  parentId: number,
+  sort: number
+) {
+  return client.post(`/backend/v1/course-category/${id}`, {
+    name: name,
+    parent_id: parentId,
+    sort: sort,
+  });
+}
+
+export function destroyCourseCategory(id: number) {
+  return client.destroy(`/backend/v1/course-category/${id}`);
+}
diff --git a/src/api/course-chapter.ts b/src/api/course-chapter.ts
new file mode 100644
index 0000000..7585d8c
--- /dev/null
+++ b/src/api/course-chapter.ts
@@ -0,0 +1,40 @@
+import client from "./internal/httpClient";
+
+export function courseChapterList(courseId: number) {
+  return client.get(`/backend/v1/course/${courseId}/course-chapter/index`, {});
+}
+
+export function createCourseChapter(courseId: number) {
+  return client.get(`/backend/v1/course/${courseId}/course-chapter/create`, {});
+}
+
+export function storeCourseChapter(
+  courseId: number,
+  name: string,
+  sort: number
+) {
+  return client.post(`/backend/v1/course/${courseId}/course-chapter/create`, {
+    name: name,
+    sort: sort,
+  });
+}
+
+export function courseChapter(courseId: number, id: number) {
+  return client.get(`/backend/v1/course/${courseId}/course-chapter/${id}`, {});
+}
+
+export function updateCourseChapter(
+  courseId: number,
+  id: number,
+  name: string,
+  sort: number
+) {
+  return client.post(`/backend/v1/course/${courseId}/course-chapter/${id}`, {
+    name: name,
+    sort: sort,
+  });
+}
+
+export function destroyCourseChapter(courseId: number, id: number) {
+  return client.destroy(`/backend/v1/course/${courseId}/course-chapter/${id}`);
+}
diff --git a/src/api/index.ts b/src/api/index.ts
index b66a324..d4ff0fc 100644
--- a/src/api/index.ts
+++ b/src/api/index.ts
@@ -1,4 +1,6 @@
 export * as login from "./login";
 export * as system from "./system";
-export * as adminRole from './admin-role';
-export * as adminUser from './admin-user';
+export * as adminRole from "./admin-role";
+export * as adminUser from "./admin-user";
+export * as courseCategory from "./course-category";
+export * as courseChapter from "./course-chapter";