更新：1.课程详情增加骨架屏；2.图书首页和图书详情增加骨架屏；

api/clients/skeleton.ts

@@ -0,0 +1,8 @@
+// api/clients/main.ts
+import { createRequestClient } from '../request';
+import { SERVICE_MAP } from '../config';
+
+export const skeletonClient = createRequestClient({
+  baseURL: SERVICE_MAP.MAIN,
+  loading: false
+})