diff --git a/src/api/course-hour.ts b/src/api/course-hour.ts
new file mode 100644
index 0000000..207e8f1
--- /dev/null
+++ b/src/api/course-hour.ts
@@ -0,0 +1,52 @@
+import client from "./internal/httpClient";
+
+export function courseHourList(courseId: number) {
+  return client.get(`/backend/v1/course/${courseId}/course-hour/index`, {});
+}
+
+export function createCourseHour(courseId: number) {
+  return client.get(`/backend/v1/course/${courseId}/course-hour/create`, {});
+}
+
+export function storeCourseHour(
+  courseId: number,
+  chapterId: number,
+  title: string,
+  type: string,
+  druation: number,
+  publishedAt: string
+) {
+  return client.post(`/backend/v1/course/${courseId}/course-hour/create`, {
+    chapter_id: chapterId,
+    title,
+    type,
+    druation,
+    published_at: publishedAt,
+  });
+}
+
+export function courseHour(courseId: number, id: number) {
+  return client.get(`/backend/v1/course/${courseId}/course-hour/${id}`, {});
+}
+
+export function updateCourseHour(
+  courseId: number,
+  id: number,
+  chapterId: number,
+  title: string,
+  type: string,
+  druation: number,
+  publishedAt: string
+) {
+  return client.post(`/backend/v1/course/${courseId}/course-hour/${id}`, {
+    chapter_id: chapterId,
+    title,
+    type,
+    druation,
+    published_at: publishedAt,
+  });
+}
+
+export function destroyCourseHour(courseId: number, id: number) {
+  return client.destroy(`/backend/v1/course/${courseId}/course-hour/${id}`);
+}
diff --git a/src/api/course.ts b/src/api/course.ts
index b674ce6..503f89a 100644
--- a/src/api/course.ts
+++ b/src/api/course.ts
@@ -24,6 +24,8 @@ export function createCourse() {
   return client.get("/backend/v1/course/create", {});
 }
 
+// depIds => 部门id数组，请用英文逗号连接
+// categoryIds => 所属分类数组，请用英文逗号连接
 export function storeCourse(
   title: string,
   thumb: string,