diff --git a/src/api/posts.js b/src/api/posts.js
new file mode 100644
index 0000000..01a347e
--- /dev/null
+++ b/src/api/posts.js
@@ -0,0 +1,7 @@
+import request from './request';
+
+export const getTopicDetail = (id) => request.get(` /posts/${id}`);
+export const getTopicPosts = (topicId, page = 1, size = 20) => request.get(`/posts/topic/${topicId}`, { params: { page, size } });
+export const createPost = (data) => request.post('/posts', data);
+export const updatePost = (id, data) => request.put(`/posts/${id}`, data);
+export const deletePost = (id) => request.delete(`/posts/${id}`);
\ No newline at end of file