修改bug

cloudfunctions/feedList/index.js

@@ -74,12 +74,25 @@ exports.main = async event => {
     favSet = new Set(favRes.data.map(f => f.postId))
   }
 
-  const list = res.data.map(post => ({
+  // Resolve authors' current profile (real avatar image) so feed avatars load
+  // and stay fresh, even for posts whose snapshot predates avatar upload.
+  const authorIds = [...new Set(res.data.map(p => p.authorId).filter(Boolean))]
+  const authorMap = new Map()
+  for (let i = 0; i < authorIds.length; i += 100) {
+    const chunk = authorIds.slice(i, i + 100)
+    const usersRes = await safeGet('users', { _id: _.in(chunk) }, 100)
+    usersRes.data.forEach(u => authorMap.set(u._id, u))
+  }
+
+  const list = res.data.map(post => {
+    const author = authorMap.get(post.authorId)
+    return {
     _id: post._id,
     author: {
       id: post.authorId || '',
-      name: post.authorSnapshot?.name || '用户',
-      avatarKey: post.authorSnapshot?.avatarKey || 'gradient-avatar-1'
+      name: (author && author.nickname) || post.authorSnapshot?.name || '用户',
+      avatarKey: (author && author.avatarKey) || post.authorSnapshot?.avatarKey || 'gradient-avatar-1',
+      avatarUrl: (author && author.avatarUrl) || post.authorSnapshot?.avatarUrl || ''
     },
     pet: post.petSnapshot || { name: '', breed: '' },
     body: post.content || '',
@@ -98,7 +111,8 @@ exports.main = async event => {
     },
     likedByMe: likedSet.has(post._id),
     favoritedByMe: favSet.has(post._id)
-  }))
+    }
+  })
 
   const last = res.data[res.data.length - 1]
   return { list, nextCursor: last ? String(last.createdAt) : '' }