diff --git a/src/services/eventService.js b/src/services/eventService.js
index 87c76ecd..6f577cea 100755
--- a/src/services/eventService.js
+++ b/src/services/eventService.js
@@ -166,7 +166,27 @@ export const eventService = {
     // 帖子相关API
     getPosts: async (eventId, sortType = 'latest', page = 1, perPage = 20) => {
         try {
-            return await apiRequest(`/api/events/${eventId}/posts?sort=${sortType}&page=${page}&per_page=${perPage}`);
+            const result = await apiRequest(`/api/events/${eventId}/posts?sort=${sortType}&page=${page}&per_page=${perPage}`);
+
+            // ⚡ 数据转换：将后端的 user 字段映射为前端期望的 author 字段
+            if (result.success && Array.isArray(result.data)) {
+                result.data = result.data.map(post => ({
+                    ...post,
+                    author: post.user ? {
+                        id: post.user.id,
+                        username: post.user.username,
+                        avatar: post.user.avatar_url || post.user.avatar  // 兼容 avatar_url 和 avatar
+                    } : {
+                        id: 'anonymous',
+                        username: 'Anonymous',
+                        avatar: null
+                    }
+                    // 保留原始的 user 字段（如果其他地方需要）
+                    // user: post.user
+                }));
+            }
+
+            return result;
         } catch (error) {
             logger.error('eventService', 'getPosts', error, { eventId, sortType, page });
             return { success: false, data: [], pagination: {} };