diff --git a/frontend/pages/asset-detail/asset-detail.vue b/frontend/pages/asset-detail/asset-detail.vue
index f98a856..8b918fd 100644
--- a/frontend/pages/asset-detail/asset-detail.vue
+++ b/frontend/pages/asset-detail/asset-detail.vue
@@ -263,15 +263,15 @@ const handleLike = async () => {
 	if (liking.value || !assetData.value.asset_id) return;
 	liking.value = true;
 	try {
-		if (isLiked.value) {
-			await unlikeAssetApi(assetData.value.asset_id);
-			isLiked.value = false;
-			likeCount.value = Math.max(0, likeCount.value - 1);
-		} else {
+		// if (isLiked.value) {
+		// 	await unlikeAssetApi(assetData.value.asset_id);
+		// 	isLiked.value = false;
+		// 	likeCount.value = Math.max(0, likeCount.value - 1);
+		// } else {
 			await likeAssetApi(assetData.value.asset_id);
 			isLiked.value = true;
 			likeCount.value += 1;
-		}
+		// }
 		// 通知展馆页面更新点赞数
 		uni.$emit('assetLikeChanged', {
 			asset_id: assetData.value.asset_id,
diff --git a/frontend/pages/components/Avatar.vue b/frontend/pages/components/Avatar.vue
index 8e0b661..569ec53 100644
--- a/frontend/pages/components/Avatar.vue
+++ b/frontend/pages/components/Avatar.vue
@@ -11,9 +11,6 @@
 
 <script setup>
 	import { computed, ref, watch, onMounted } from 'vue';
-	import { getOssPresignedUrlApi } from '@/utils/api.js';
-	import { getCachedAvatarPath, downloadAndCacheAvatar } from '@/utils/avatarCache.js';
-	import { extractFileNameFromUrl } from '@/utils/assetImageHelper.js';
 	
 	// 定义 props
 	const props = defineProps({
@@ -59,67 +56,30 @@
 		}
 	});
 	
-	// 本地头像路径或预签名URL
-	const ossPresignedUrl = ref('');
-	
-	// 获取用户自己的头像（需要缓存）
-	const fetchOwnAvatarWithCache = async () => {
+	// 本地头像路径
+	const localAvatarUrl = ref('');
+
+	// 获取用户自己的头像（直接使用后端返回的URL）
+	const fetchOwnAvatar = () => {
 		if (!props.avatarUrl) {
-			ossPresignedUrl.value = '';
+			localAvatarUrl.value = '';
 			return;
 		}
-		
-		// 1. 先尝试从本地缓存获取文件路径
-		const cachedPath = await getCachedAvatarPath(props.avatarUrl);
-		if (cachedPath) {
-			ossPresignedUrl.value = cachedPath;
-			return;
-		}
-		
-		// 2. 本地缓存不存在，从后端获取预签名URL
-		try {
-			// 从avatarUrl中提取真实文件名
-			const fileName = extractFileNameFromUrl(props.avatarUrl) || 'avatar.png';
-			
-			const res = await getOssPresignedUrlApi(fileName, 3600, 'avatar');
-			if (res.code === 200 && res.data && res.data.url) {
-				const realUrl = res.data.url;
-				
-				// 3. 下载并缓存头像文件到本地
-				const localPath = await downloadAndCacheAvatar(props.avatarUrl, realUrl);
-				
-				if (localPath) {
-					// 使用本地文件路径
-					ossPresignedUrl.value = localPath;
-				} else {
-					// 下载失败，临时使用预签名URL
-					console.warn('下载头像文件失败，使用临时URL');
-					ossPresignedUrl.value = realUrl;
-				}
-			} else {
-				console.error('获取OSS预签名URL失败:', res.message);
-				ossPresignedUrl.value = '';
-			}
-		} catch (error) {
-			console.error('获取头像异常:', error);
-			ossPresignedUrl.value = '';
-		}
+		// 直接使用后端返回的 URL
+		localAvatarUrl.value = props.avatarUrl;
 	};
-	
-	// 获取好友头像（不缓存，直接使用传入的URL）
-	const fetchFriendAvatarWithoutCache = () => {
-		// 好友头像已经在FriendsContent中解析完成，直接使用
-		ossPresignedUrl.value = props.avatarUrl || '';
+
+	// 获取好友头像（直接使用传入的URL）
+	const fetchFriendAvatar = () => {
+		localAvatarUrl.value = props.avatarUrl || '';
 	};
-	
+
 	// 根据enableCache决定使用哪种获取方式
 	const fetchAvatar = () => {
 		if (props.enableCache) {
-			// 用户自己的头像：需要缓存
-			fetchOwnAvatarWithCache();
+			fetchOwnAvatar();
 		} else {
-			// 好友头像：不缓存，直接使用传入的URL
-			fetchFriendAvatarWithoutCache();
+			fetchFriendAvatar();
 		}
 	};
 	
@@ -160,13 +120,11 @@
 		return `/static/avatar/${index}.jpeg`;
 	};
 	
-	// 头像图片源（优先使用OSS头像，否则使用默认头像）
+	// 头像图片源（优先使用头像URL，否则使用默认头像）
 	const avatarImage = computed(() => {
-		// 如果有OSS预签名URL，使用它
-		if (ossPresignedUrl.value) {
-			return ossPresignedUrl.value;
+		if (localAvatarUrl.value) {
+			return localAvatarUrl.value;
 		}
-		// 否则使用默认头像
 		return getDefaultAvatar();
 	});
 	
diff --git a/frontend/pages/components/BannerTop3.vue b/frontend/pages/components/BannerTop3.vue
index b6826b6..541f68a 100644
--- a/frontend/pages/components/BannerTop3.vue
+++ b/frontend/pages/components/BannerTop3.vue
@@ -7,18 +7,13 @@
 
 <script setup>
 import { ref, onMounted } from 'vue';
-import { getHotRankingApi, getOssPresignedUrlApi } from '@/utils/api.js';
+import { getHotRankingApi } from '@/utils/api.js';
 
 const emit = defineEmits(['dataLoaded']);
 
 const resolveOssUrl = async (fileName, type) => {
 	if (!fileName) return '';
-	try {
-		const res = await getOssPresignedUrlApi(fileName, 3600, type);
-		if (res?.code === 200 && res.data?.url) return res.data.url;
-	} catch (e) {
-		console.warn('[BannerTop3] OSS URL 获取失败', fileName, e?.message);
-	}
+	// 直接使用后端返回的图片URL
 	return fileName;
 };
 
@@ -27,13 +22,9 @@ const loadTop3 = async () => {
 		const res = await getHotRankingApi('total', null, 1, 3);
 		if (res.code === 200 && res.data?.items) {
 			const items = res.data.items.slice(0, 3);
-			const resolved = await Promise.all(items.map(async (item) => {
-				const [coverUrl, avatarUrl] = await Promise.all([
-					resolveOssUrl(item.cover_url || '', 'asset'),
-					resolveOssUrl(item.avatar_url || '', 'avatar'),
-				]);
-				return { ...item, cover_url: coverUrl, avatar_url: avatarUrl };
-			}));
+			const resolved = items.map(item => {
+				return { ...item, cover_url: item.cover_url || '', avatar_url: item.avatar_url || '' };
+			});
 			emit('dataLoaded', resolved);
 		}
 	} catch (e) {
diff --git a/frontend/pages/components/RankingModal.vue b/frontend/pages/components/RankingModal.vue
index f61caa2..73067e7 100644
--- a/frontend/pages/components/RankingModal.vue
+++ b/frontend/pages/components/RankingModal.vue
@@ -137,8 +137,7 @@ import {
 	getHotRankingApi,
 	getOriginalRankingApi,
 	getActivityRankingApi,
-	getActivityListApi,
-	getOssPresignedUrlApi
+	getActivityListApi
 } from '@/utils/api.js';
 import {
 	ACTIVITY_TYPES
@@ -367,19 +366,11 @@ const fetchActivityList = async () => {
 	}
 };
 
-// 获取OSS图片的预签名URL
+// 获取OSS图片URL - 直接使用后端返回的URL
 const getOssImageUrl = async (fileName, type = 'avatar') => {
 	if (!fileName || fileName === '') return;
-	try {
-		const response = await getOssPresignedUrlApi(fileName, 3600, type);
-		if (response && response.code === 200 && response.data && response.data.url) {
-			return response.data.url;
-		}
-		return fileName; // 如果获取失败,返回原始文件名
-	} catch (error) {
-		console.error('Failed to get OSS presigned URL:', error);
-		return fileName; // 如果出错,返回原始文件名
-	}
+	// 直接使用后端返回的图片URL
+	return fileName;
 };
 
 // 转换活动排名数据
diff --git a/frontend/pages/profile/myWorks.vue b/frontend/pages/profile/myWorks.vue
index 6519d77..e0bb400 100644
--- a/frontend/pages/profile/myWorks.vue
+++ b/frontend/pages/profile/myWorks.vue
@@ -4,7 +4,7 @@
 		<image class="bg-image" src="/static/square/beijingban.png" mode="aspectFill"></image>
 
 		<!-- 顶部导航 -->
-		<view class="nav-bar ">
+		<view class="nav-bar">
 			<view class="nav-back" @tap="goBack">
 				<image class="nav-back-icon" src="/static/icon/back.png" mode="aspectFit"></image>
 			</view>
@@ -51,7 +51,9 @@
 
 					<!-- 空状态占位：显示剩余空展位卡片 -->
 					<view v-if="exhibitionWorks.length < 2" class="empty-exhibition">
-						<view class="empty-card empty-card-left" @tap="openAssetSelector(0)">
+						<!-- 根据已展出数量决定显示几个空卡片 -->
+						<view v-if="exhibitionWorks.length === 0" class="empty-card empty-card-left"
+							@tap="openAssetSelector(0)">
 							<image class="empty-cover" src="/static/nft/placeholder.png" mode="aspectFill"></image>
 							<image class="card-frame" src="/static/square/gerenzhongxincangpinkuang.png"
 								mode="aspectFill"></image>
@@ -83,7 +85,7 @@
 					<view v-for="(item, index) in likedWorks" :key="item.id" class="liked-row"
 						@tap="goToAssetDetail(item.id)">
 						<!-- 排名图标，绝对定位在卡片左侧 -->
-						<image v-if="index < 3" :src="rankIcons[index]" class="rank-icon-img" mode="aspectFit"></image>
+						<!-- <image v-if="index < 3" :src="rankIcons[index]" class="rank-icon-img" mode="aspectFit"></image> -->
 
 						<!-- 卡片主体 -->
 						<view class="liked-item" :class="index === 0 ? 'liked-item-first' : ''">
@@ -424,7 +426,7 @@ onShow(() => {
 
 }
 
-.section-block {
+.section-block{
 	background: rgb(249 159 192 / 45%);
 	border-radius: 48rpx;
 	padding: 16rpx;
diff --git a/frontend/pages/profile/profile.vue b/frontend/pages/profile/profile.vue
index b9c07e7..add0537 100644
--- a/frontend/pages/profile/profile.vue
+++ b/frontend/pages/profile/profile.vue
@@ -263,9 +263,9 @@ import { useStore } from 'vuex';
 import { onReady } from "@dcloudio/uni-app";
 import Header from '../components/Header.vue';
 import Avatar from '../components/Avatar.vue';
-import { getUserProfileApi, deleteAccountApi, updateNicknameApi, updatePasswordApi, getFanIdentitiesApi, addFanIdentityApi, getMyFanIdentitiesApi, switchFanIdentityApi, getOssSignatureApi, updateAvatarApi, getOssPresignedUrlApi } from '@/utils/api';
+import { getUserProfileApi, deleteAccountApi, updateNicknameApi, updatePasswordApi, getFanIdentitiesApi, addFanIdentityApi, getMyFanIdentitiesApi, switchFanIdentityApi, getOssSignatureApi, updateAvatarApi } from '@/utils/api';
 import { validateNickname } from '@/utils/validator.js';
-import { clearAvatarCache, downloadAndCacheAvatar } from '@/utils/avatarCache';
+import { clearAvatarCache } from '@/utils/avatarCache';
 import GuideListModal from '@/components/GuideListModal.vue';
 import GuideOverlay from '@/components/GuideOverlay.vue';
 import {
@@ -1032,22 +1032,9 @@ const closeAvatarModal = () => {
 	showAvatarModal.value = false;
 };
 
-// 处理头像更新后的操作（下载缓存、更新本地存储、刷新UI）
+// 处理头像更新后的操作（更新本地存储、刷新UI）
 const handleAvatarUpdateSuccess = async (newAvatarUrl) => {
-	try {
-		// 1. 获取新头像的真实URL并下载缓存
-		const fileName = 'avatar.png';
-		const urlRes = await getOssPresignedUrlApi(fileName, 3600, 'avatar');
-		if (urlRes.code === 200 && urlRes.data && urlRes.data.url) {
-			// 立即下载并缓存新头像
-			await downloadAndCacheAvatar(newAvatarUrl, urlRes.data.url);
-		}
-	} catch (error) {
-		console.error('预下载头像失败:', error);
-		// 不影响主流程，继续
-	}
-
-	// 2. 更新本地缓存
+	// 1. 更新本地缓存
 	userAvatarUrl.value = newAvatarUrl;
 	const userStr = uni.getStorageSync('user');
 	if (userStr) {
diff --git a/frontend/pages/square/components/ContentTabs.vue b/frontend/pages/square/components/ContentTabs.vue
index e52dfac..4abeafa 100644
--- a/frontend/pages/square/components/ContentTabs.vue
+++ b/frontend/pages/square/components/ContentTabs.vue
@@ -33,16 +33,17 @@
 
 <script setup>
 defineProps({
-  modelValue: { type: String, default: 'hot' }
+  modelValue: { type: String, default: 'new' }
 })
 
 defineEmits(['update:modelValue'])
 
 const tabs = [
-    { key: 'hot',    label: '人气王者', emoji: null, icon: '/static/square/rementubiao.png', iconWidth: 104, iconHeight: 104 },
-  { key: 'xingka', label: '潜力之星',     emoji: null, icon: '/static/square/xingka.png',      iconWidth: 80, iconHeight: 80 },
-  { key: 'baji',   label: '新鲜上架',     emoji: null, icon: '/static/square/baji.png',         iconWidth: 80, iconHeight: 80 },
-  { key: 'haibao', label: '随机寻宝',     emoji: null, icon: '/static/square/haibao.png',       iconWidth: 96, iconHeight: 96 },]
+  { key: 'hot',      label: '人气王者', emoji: null, icon: '/static/square/rementubiao.png', iconWidth: 104, iconHeight: 104 },
+  { key: 'new',      label: '新鲜上架', emoji: null, icon: '/static/square/baji.png',         iconWidth: 80, iconHeight: 80 },
+  { key: 'potential', label: '潜力之星', emoji: null, icon: '/static/square/xingka.png',      iconWidth: 80, iconHeight: 80 },
+  { key: 'random',   label: '随机寻宝', emoji: null, icon: '/static/square/haibao.png',       iconWidth: 96, iconHeight: 96 },
+]
 </script>
 
 <style scoped>
diff --git a/frontend/pages/square/components/WaterfallGrid.vue b/frontend/pages/square/components/WaterfallGrid.vue
index 04c3053..e34f00d 100644
--- a/frontend/pages/square/components/WaterfallGrid.vue
+++ b/frontend/pages/square/components/WaterfallGrid.vue
@@ -66,7 +66,8 @@ const props = defineProps({
   screenHeight: { type: Number, default: 812 },
   bannerBottom: { type: Number, default: 200 },
   useMockData: { type: Boolean, default: false },  // 是否使用模拟数据
-  category: { type: String, default: 'hot' },  // 当前分类
+  category: { type: String, default: '' },  // 当前分类
+  isActive: { type: Boolean, default: true },  // 是否处于激活状态
 })
 
 const emit = defineEmits(['cardClick'])
@@ -91,6 +92,8 @@ let currentScrollLeft = 0
 let idCounter = 0
 let isComponentMounted = false  // 标记组件是否已卸载
 let mockDataOffset = 0  // 模拟数据循环偏移量
+let appendFailed = false  // 标记追加是否已失败
+let isInitialLoading = true  // 标记是否在初始加载中
 
 // ========== RAF 兼容 ==========
 const rafFn = (cb) => {
@@ -112,17 +115,26 @@ let appendTimer = null  // 防抖定时器
 
 const startAutoScroll = () => {
   if (!isComponentMounted) {
-
     return
   }
-  if (rafId) cancelAnimationFrame(rafId)
+  // 确保没有重复的 RAF 在运行
+  if (rafId) {
+    cafFn(rafId)
+    rafId = null
+  }
+  // 重置滚动状态
+  userInteracting = false
 
   let lastScrollLeft = 0  // 用于检测手动滚动
 
   const step = () => {
     if (!isComponentMounted) {
       rafId = null
-  
+      return
+    }
+    // 每次 RAF 循环开始时也检查一次
+    if (!isComponentMounted) {
+      rafId = null
       return
     }
 
@@ -143,7 +155,8 @@ const startAutoScroll = () => {
       const remainingScroll = totalWidth.value - currentScrollLeft - props.screenWidth
       if (remainingScroll < Math.max(totalWidth.value / 2, props.screenWidth)) {
         // 直接调用 appendMore（不需要防抖）
-        if (!isLoadingMore) {
+        // 注意：真实接口模式下不应该自动追加数据，由 has_more 控制
+        if (!isLoadingMore && !appendFailed && !isInitialLoading && props.useMockData) {
           appendMore()
         }
       }
@@ -178,14 +191,14 @@ const pauseForUser = () => {
 
 // 防抖：延迟 500ms 后再执行追加，避免频繁调用
 const scheduleAppend = () => {
-  if (!isComponentMounted) return
+  if (!isComponentMounted || appendFailed) return
   if (appendTimer) clearTimeout(appendTimer)
   appendTimer = setTimeout(() => {
     appendTimer = null
-    if (isComponentMounted) {
+    if (isComponentMounted && !appendFailed) {
       appendMore()
     }
-  }, 500)
+  }, 800)
 }
 
 // ========== 触摸 / 滚动事件 ==========
@@ -198,7 +211,10 @@ const onScroll = (e) => {
   // 预加载：剩余可滚动距离小于一半屏幕宽度时，触发追加
   const remainingScroll = totalWidth.value - currentScrollLeft - props.screenWidth
   if (remainingScroll < Math.max(totalWidth.value / 2, props.screenWidth)) {
-    scheduleAppend()
+    // 注意：真实接口模式下不应该自动追加数据，由 has_more 控制
+    if (!isLoadingMore && !appendFailed && !isInitialLoading && props.useMockData) {
+      scheduleAppend()
+    }
   }
 }
 
@@ -220,7 +236,7 @@ const scrollStyle = computed(() => ({
 //   1. 后端传 span：直接按 span 分组成列
 //   2. 后端不传 span：使用分类特定的 span 阈值计算
 class WaterfallLayout {
-  constructor(containerH, category = 'hot', gap = GAP) {
+  constructor(containerH, category = 'random', gap = GAP) {
     this.containerH = containerH
     this.category = category
     this.gap = gap
@@ -408,15 +424,9 @@ const randomLikes = () => {
 // 本地素材图，循环使用
 const MOCK_IMAGES = Array.from({ length: 16 }, (_, i) => `/static/sucai/image-${String(i + 1).padStart(2, '0')}.png`)
 
-const mapUser = async (u) => {
-  // 优先用后端图，没有则用本地素材循环
-  let coverUrl = MOCK_IMAGES[idCounter % MOCK_IMAGES.length]
-  if (u.cover_url) {
-    try {
-      const r = await getOssPresignedUrlApi(u.cover_url, 3600, 'asset')
-      if (r?.code === 200 && r.data?.url) coverUrl = r.data.url
-    } catch (_) {}
-  }
+const mapUser = (u) => {
+  // 直接使用后端返回的图片URL
+  let coverUrl = u.cover_url || MOCK_IMAGES[idCounter % MOCK_IMAGES.length]
   // 后端可以返回 span 字段（1~4）来控制卡片大小，不传则前端随机模板决定
   return {
     id: idCounter++,
@@ -451,6 +461,7 @@ const loadUsers = async () => {
 
   // 切换分类时重置偏移量
   mockDataOffset = 0
+  isLoadingMore = true
 
   try {
     let items
@@ -465,7 +476,7 @@ const loadUsers = async () => {
   
     } else {
       // 使用真实API
-      const res = await getInspirationFlowApi({ limit: 40, type: props.category })
+      const res = await getInspirationFlowApi({ limit: 20, type: props.category })
   
       if (!isComponentMounted) return
       if (res.code === 200 && res.data?.items) {
@@ -498,18 +509,9 @@ const loadUsers = async () => {
 
 const appendMore = async () => {
   if (!isComponentMounted) {
-
     return
   }
   if (isLoadingMore) {
-
-    // 等待一下再试
-    setTimeout(() => {
-      if (isComponentMounted && !isLoadingMore) {
-    
-        appendMore()
-      }
-    }, 500)
     return
   }
   isLoadingMore = true
@@ -522,8 +524,6 @@ const appendMore = async () => {
       const allItems = mockData.items
       const batchSize = 20
 
-  
-
       // 从 mockDataOffset 位置开始取 batchSize 个
       const itemsToAdd = []
       for (let i = 0; i < batchSize; i++) {
@@ -542,18 +542,22 @@ const appendMore = async () => {
       mockDataOffset = mockDataOffset + batchSize
 
       items = itemsToAdd
-  
+
     } else {
       // 使用真实API
       const res = await getInspirationFlowApi({ limit: 20, type: props.category })
       if (!isComponentMounted) return
       if (res.code === 200 && res.data?.items) {
         items = res.data.items
+        // 真实接口根据 has_more 决定是否继续加载
+        if (!res.data.has_more) {
+          appendFailed = true
+        }
       }
     }
 
     if (items && items.length > 0) {
-  
+
       const withData = items.map((item) => {
         return {
           id: item.asset_id,  // 直接使用 asset_id（已经在上面保证唯一）
@@ -564,17 +568,20 @@ const appendMore = async () => {
           span: item.span ?? null,
         }
       })
-  
+
       const placed = layout.addCards(withData)
-  
+
       cards.value = [...cards.value, ...placed]
       totalWidth.value = layout.getTotalWidth()
-  
+
+    } else {
+      // 没有可追加的数据，标记失败停止
+      appendFailed = true
     }
   } catch (e) {
     console.error('[WaterfallGrid] 追加用户失败', e?.message ?? e)
+    appendFailed = true
   } finally {
-
     isLoadingMore = false
   }
 }
@@ -615,20 +622,57 @@ const handleCardClick = (card) => {
 // ========== 初始化 ==========
 onMounted(() => {
   isComponentMounted = true
-  const containerH = props.screenHeight - props.bannerBottom
-  layout = new WaterfallLayout(containerH, props.category)
+  isInitialLoading = true
+  appendFailed = false
+  userInteracting = false
   currentScrollLeft = 0
   scrollLeft.value = 0
+  const containerH = props.screenHeight - props.bannerBottom
+  layout = new WaterfallLayout(containerH, props.category)
   loadUsers().then(() => {
+    isInitialLoading = false
     nextTick(() => startAutoScroll())
   })
 })
 
+// 监听页面可见性变化
+const handleVisibilityChange = () => {
+  if (!isComponentMounted) return
+  if (document.hidden) {
+    userInteracting = true
+  } else {
+    userInteracting = false
+    if (!rafId) {
+      startAutoScroll()
+    }
+  }
+}
+
+if (typeof document !== 'undefined') {
+  document.addEventListener('visibilitychange', handleVisibilityChange)
+}
+
+// 监听 isActive 属性变化（父组件控制）
+watch(() => props.isActive, (active) => {
+  if (!isComponentMounted) return
+  if (active) {
+    userInteracting = false
+    if (!rafId) {
+      startAutoScroll()
+    }
+  } else {
+    userInteracting = true
+  }
+}, { immediate: false })
+
 onUnmounted(() => {
   isComponentMounted = false
   stopAutoScroll()
   clearTimeout(resumeTimer)
   clearTimeout(appendTimer)
+  if (typeof document !== 'undefined') {
+    document.removeEventListener('visibilitychange', handleVisibilityChange)
+  }
 })
 
 watch(() => [props.screenHeight, props.bannerBottom], () => {
@@ -662,6 +706,8 @@ watch(() => props.category, (newCategory) => {
     allUsers.value = []
     totalWidth.value = 0
     mockDataOffset = 0
+    appendFailed = false
+    isInitialLoading = false
 
     // 先停止 RAF，确保在 loadUsers 完成前不会有滚动逻辑
     if (rafId) {
diff --git a/frontend/pages/square/composables/useBanner.js b/frontend/pages/square/composables/useBanner.js
index 361ac98..e321b5a 100644
--- a/frontend/pages/square/composables/useBanner.js
+++ b/frontend/pages/square/composables/useBanner.js
@@ -1,5 +1,5 @@
 import { ref } from 'vue'
-import { getActivityListApi, getOssPresignedUrlApi } from '@/utils/api.js'
+import { getActivityListApi } from '@/utils/api.js'
 
 export function useBanner() {
   const bannerActivities = ref([])
@@ -8,24 +8,11 @@ export function useBanner() {
     try {
       const starId = uni.getStorageSync('star_id') || null
       const res = await getActivityListApi(starId, 1, 10)
-      
+
       if (res.code === 200 && res.data?.activities) {
         const activities = res.data.activities
-        // 并行获取所有 OSS URL
-        const urlPromises = activities.map(async (item) => {
-          if (!item.cover_image) return { item, url: null }
-          try {
-            const r = await getOssPresignedUrlApi(item.cover_image, 3600, 'avatar')
-            return { item, url: r?.code === 200 && r.data?.url ? r.data.url : null }
-          } catch (e) {
-            console.error('[useBanner] 获取 OSS URL 失败', e)
-            return { item, url: null }
-          }
-        })
-        const results = await Promise.all(urlPromises)
-        bannerActivities.value = results.map(({ item, url }) =>
-          url ? { ...item, cover_image: url } : item
-        )
+        // 直接使用后端返回的图片URL
+        bannerActivities.value = activities
       }
     } catch (e) {
       console.error('[useBanner] 加载 banner 活动失败', e?.message ?? e)
diff --git a/frontend/pages/square/config/mockData.js b/frontend/pages/square/config/mockData.js
index 7e59568..4fb1747 100644
--- a/frontend/pages/square/config/mockData.js
+++ b/frontend/pages/square/config/mockData.js
@@ -1,7 +1,7 @@
 // ========== 模拟数据配置 ==========
 
 // 是否使用模拟数据（开发调试时设为 true，上线后改为 false）
-export const USE_MOCK_DATA = true
+export const USE_MOCK_DATA = false
 
 // 模拟图片列表
 const MOCK_IMAGES = [
@@ -43,8 +43,16 @@ export const SPAN_CONFIG = {
       { max: Infinity, span: 4 }, // 10w+ → span 4
     ]
   },
+  // 新鲜上架：低点赞，小卡片为主
+  new: {
+    thresholds: [
+      { max: 200, span: 1 },     // 200 以下 → span 1
+      { max: 500, span: 2 },     // 200-500 → span 2
+      { max: Infinity, span: 3 },// 500+ → span 3
+    ]
+  },
   // 潜力之星：中等点赞，中小卡片
-  xingka: {
+  potential: {
     thresholds: [
       { max: 5000, span: 1 },    // 5k 以下 → span 1
       { max: 10000, span: 2 },   // 5k-1w → span 2
@@ -52,16 +60,8 @@ export const SPAN_CONFIG = {
       { max: Infinity, span: 4 },// 1.5w+ → span 4
     ]
   },
-  // 新鲜上架：低点赞，小卡片为主
-  baji: {
-    thresholds: [
-      { max: 200, span: 1 },     // 200 以下 → span 1
-      { max: 500, span: 2 },     // 200-500 → span 2
-      { max: Infinity, span: 3 },// 500+ → span 3
-    ]
-  },
   // 随机寻宝：混合
-  haibao: {
+  random: {
     thresholds: [
       { max: 10000, span: 1 },   // 1w 以下 → span 1
       { max: 30000, span: 2 },   // 1w-3w → span 2
@@ -95,42 +95,12 @@ export const MOCK_RENQIWANG = {
     { asset_id: 10009, name: '粉红泡泡', cover_url: MOCK_IMAGES[8], like_count: 45600, owner_nickname: '小迷糊' },
     { asset_id: 10010, name: '爱的力量', cover_url: MOCK_IMAGES[9], like_count: 42300, owner_nickname: '小幸运' },
     { asset_id: 10011, name: '璀璨星河', cover_url: MOCK_IMAGES[10], like_count: 39800, owner_nickname: '小浪漫' },
-    // { asset_id: 10012, name: '甜蜜日常', cover_url: MOCK_IMAGES[11], like_count: 37500, owner_nickname: '小清新' },
-    // { asset_id: 10013, name: '爱心发射', cover_url: MOCK_IMAGES[12], like_count: 35200, owner_nickname: '小活力' },
-    // { asset_id: 10014, name: '超级喜欢', cover_url: MOCK_IMAGES[13], like_count: 32900, owner_nickname: '小呆萌' },
-    // { asset_id: 10015, name: '温暖拥抱', cover_url: MOCK_IMAGES[14], like_count: 30600, owner_nickname: '小棉花' },
-    // { asset_id: 10016, name: '今日份心动', cover_url: MOCK_IMAGES[15], like_count: 28500, owner_nickname: '小牛奶' },
   ],
   cursor: 'renqiwang_cursor_001',
   has_more: true,
   session_id: 'renqiwang_session',
 }
 
-// ========== 潜力之星 - 中等点赞有潜力的作品 ==========
-export const MOCK_QIANLIXING = {
-  items: [
-    { asset_id: 20001, name: '初露锋芒', cover_url: MOCK_IMAGES[0], like_count: 12800, owner_nickname: '小新芽' },
-    { asset_id: 20002, name: '蓄势待发', cover_url: MOCK_IMAGES[1], like_count: 11500, owner_nickname: '小嫩草' },
-    { asset_id: 20003, name: '冉冉升起', cover_url: MOCK_IMAGES[2], like_count: 10200, owner_nickname: '小泡泡' },
-    { asset_id: 20004, name: '明日之星', cover_url: MOCK_IMAGES[3], like_count: 9800, owner_nickname: '小火苗' },
-    { asset_id: 20005, name: '潜力无限', cover_url: MOCK_IMAGES[4], like_count: 8900, owner_nickname: '小萌芽' },
-    { asset_id: 20006, name: '闪耀新星', cover_url: MOCK_IMAGES[5], like_count: 8200, owner_nickname: '小水滴' },
-    { asset_id: 20007, name: '小荷才露', cover_url: MOCK_IMAGES[6], like_count: 7600, owner_nickname: '小竹笋' },
-    { asset_id: 20008, name: '锋芒初现', cover_url: MOCK_IMAGES[7], like_count: 7100, owner_nickname: '小鸽子' },
-    { asset_id: 20009, name: '闪闪发光', cover_url: MOCK_IMAGES[8], like_count: 6500, owner_nickname: '小萤火' },
-    { asset_id: 20010, name: '未来可期', cover_url: MOCK_IMAGES[9], like_count: 5900, owner_nickname: '小芽芽' },
-    { asset_id: 20011, name: '新秀登场', cover_url: MOCK_IMAGES[10], like_count: 5400, owner_nickname: '小藤蔓' },
-    // { asset_id: 20012, name: '蒸蒸日上', cover_url: MOCK_IMAGES[11], like_count: 4900, owner_nickname: '小葵花' },
-    // { asset_id: 20013, name: '茁壮成长', cover_url: MOCK_IMAGES[12], like_count: 4500, owner_nickname: '小苗苗' },
-    // { asset_id: 20014, name: '初绽光芒', cover_url: MOCK_IMAGES[13], like_count: 4100, owner_nickname: '小花花' },
-    // { asset_id: 20015, name: '星火燎原', cover_url: MOCK_IMAGES[14], like_count: 3800, owner_nickname: '小豆芽' },
-    // { asset_id: 20016, name: '蓄力中...', cover_url: MOCK_IMAGES[15], like_count: 3500, owner_nickname: '小冰晶' },
-  ],
-  cursor: 'qianlixing_cursor_001',
-  has_more: true,
-  session_id: 'qianlixing_session',
-}
-
 // ========== 新鲜上架 - 新发布作品，点赞较低 ==========
 export const MOCK_XINXIANSHANG = {
   items: [
@@ -145,17 +115,32 @@ export const MOCK_XINXIANSHANG = {
     { asset_id: 30009, name: '新鲜出炉', cover_url: MOCK_IMAGES[8], like_count: 98, owner_nickname: '小创作者' },
     { asset_id: 30010, name: '首发作品', cover_url: MOCK_IMAGES[9], like_count: 267, owner_nickname: '小练手' },
     { asset_id: 30011, name: '全新上线', cover_url: MOCK_IMAGES[10], like_count: 189, owner_nickname: '新起步' },
-    // { asset_id: 30012, name: '今日份新', cover_url: MOCK_IMAGES[11], like_count: 156, owner_nickname: '小萌娃' },
-    // { asset_id: 30013, name: '新新人类', cover_url: MOCK_IMAGES[12], like_count: 223, owner_nickname: '小新潮' },
-    // { asset_id: 30014, name: '新鲜血液', cover_url: MOCK_IMAGES[13], like_count: 134, owner_nickname: '小白白' },
-    // { asset_id: 30015, name: '新晋选手', cover_url: MOCK_IMAGES[14], like_count: 278, owner_nickname: '小小新' },
-    // { asset_id: 30016, name: '首发新动态', cover_url: MOCK_IMAGES[15], like_count: 201, owner_nickname: '小清新' },
   ],
   cursor: 'xinxianshang_cursor_001',
   has_more: true,
   session_id: 'xinxianshang_session',
 }
 
+// ========== 潜力之星 - 中等点赞有潜力的作品 ==========
+export const MOCK_QIANLIXING = {
+  items: [
+    { asset_id: 20001, name: '初露锋芒', cover_url: MOCK_IMAGES[0], like_count: 12800, owner_nickname: '小新芽' },
+    { asset_id: 20002, name: '蓄势待发', cover_url: MOCK_IMAGES[1], like_count: 11500, owner_nickname: '小嫩草' },
+    { asset_id: 20003, name: '冉冉升起', cover_url: MOCK_IMAGES[2], like_count: 10200, owner_nickname: '小泡泡' },
+    { asset_id: 20004, name: '明日之星', cover_url: MOCK_IMAGES[3], like_count: 9800, owner_nickname: '小火苗' },
+    { asset_id: 20005, name: '潜力无限', cover_url: MOCK_IMAGES[4], like_count: 8900, owner_nickname: '小萌芽' },
+    { asset_id: 20006, name: '闪耀新星', cover_url: MOCK_IMAGES[5], like_count: 8200, owner_nickname: '小水滴' },
+    { asset_id: 20007, name: '小荷才露', cover_url: MOCK_IMAGES[6], like_count: 7600, owner_nickname: '小竹笋' },
+    { asset_id: 20008, name: '锋芒初现', cover_url: MOCK_IMAGES[7], like_count: 7100, owner_nickname: '小鸽子' },
+    { asset_id: 20009, name: '闪闪发光', cover_url: MOCK_IMAGES[8], like_count: 6500, owner_nickname: '小萤火' },
+    { asset_id: 20010, name: '未来可期', cover_url: MOCK_IMAGES[9], like_count: 5900, owner_nickname: '小芽芽' },
+    { asset_id: 20011, name: '新秀登场', cover_url: MOCK_IMAGES[10], like_count: 5400, owner_nickname: '小藤蔓' },
+  ],
+  cursor: 'qianlixing_cursor_001',
+  has_more: true,
+  session_id: 'qianlixing_session',
+}
+
 // ========== 随机寻宝 - 随机混合数据 ==========
 export const MOCK_SUIJIXUNBAO = {
   items: [
@@ -170,11 +155,6 @@ export const MOCK_SUIJIXUNBAO = {
     { asset_id: 40009, name: '神秘宝藏9', cover_url: MOCK_IMAGES[8], like_count: 62000, owner_nickname: '寻宝奇兵' },
     { asset_id: 40010, name: '神秘宝藏10', cover_url: MOCK_IMAGES[9], like_count: 800, owner_nickname: '淘宝猎人' },
     { asset_id: 40011, name: '神秘宝藏11', cover_url: MOCK_IMAGES[10], like_count: 9500, owner_nickname: '挖宝小分队' },
-    // { asset_id: 40012, name: '神秘宝藏12', cover_url: MOCK_IMAGES[11], like_count: 72000, owner_nickname: '淘宝小能手' },
-    // { asset_id: 40013, name: '神秘宝藏13', cover_url: MOCK_IMAGES[12], like_count: 350, owner_nickname: '宝藏猎人' },
-    // { asset_id: 40014, name: '神秘宝藏14', cover_url: MOCK_IMAGES[13], like_count: 48000, owner_nickname: '寻宝小天才' },
-    // { asset_id: 40015, name: '神秘宝藏15', cover_url: MOCK_IMAGES[14], like_count: 11000, owner_nickname: '淘宝小精灵' },
-    // { asset_id: 40016, name: '神秘宝藏16', cover_url: MOCK_IMAGES[15], like_count: 600, owner_nickname: '挖宝小专家' },
   ],
   cursor: 'suijixunbao_cursor_001',
   has_more: true,
@@ -184,9 +164,9 @@ export const MOCK_SUIJIXUNBAO = {
 // ========== 分类映射 ==========
 export const MOCK_DATA_MAP = {
   hot: MOCK_RENQIWANG,
-  xingka: MOCK_QIANLIXING,
-  baji: MOCK_XINXIANSHANG,
-  haibao: MOCK_SUIJIXUNBAO,
+  new: MOCK_XINXIANSHANG,
+  potential: MOCK_QIANLIXING,
+  random: MOCK_SUIJIXUNBAO,
 }
 
 // 根据分类获取模拟数据
@@ -207,13 +187,13 @@ export function generateMockItems(category = 'hot', count = 20, startId = 50000)
       case 'hot':
         like_count = 20000 + Math.floor(Math.random() * 100000) // 2w-12w
         break
-      case 'xingka':
-        like_count = 3000 + Math.floor(Math.random() * 15000) // 3k-18k
-        break
-      case 'baji':
+      case 'new':
         like_count = 50 + Math.floor(Math.random() * 500) // 50-550
         break
-      case 'haibao':
+      case 'potential':
+        like_count = 3000 + Math.floor(Math.random() * 15000) // 3k-18k
+        break
+      case 'random':
         like_count = Math.floor(Math.random() * 80000) // 0-8w
         break
       default:
diff --git a/frontend/pages/square/square.vue b/frontend/pages/square/square.vue
index b23f2d0..0d107ac 100644
--- a/frontend/pages/square/square.vue
+++ b/frontend/pages/square/square.vue
@@ -10,6 +10,7 @@
       :bannerBottom="bannerBottomPx"
       :useMockData="USE_MOCK_DATA"
       :category="activeContentTab"
+      :isActive="isActive"
       @cardClick="handleCardClick"
       class="fall-bg"
     />
@@ -59,7 +60,7 @@
 
 <script setup>
 import { ref, computed, onMounted, onUnmounted } from 'vue'
-import { onLoad, onShow } from '@dcloudio/uni-app'
+import { onLoad, onShow, onHide } from '@dcloudio/uni-app'
 import { useStore } from 'vuex'
 import Header from '../components/Header.vue'
 import BottomNav from '../components/BottomNav.vue'
@@ -78,9 +79,10 @@ const currentUserNickname = computed(() => store.state.user?.userInfo?.nickname
 const currentStarId = ref(uni.getStorageSync('star_id') || null)
 
 // ========== UI State ==========
-const activeContentTab = ref('hot')
+const activeContentTab = ref('random')
 const navExpanded = ref(false)
 const showRankingModal = ref(false)
+const isActive = ref(true)
 
 // ========== Screen Info ==========
 const screenWidth = ref(375)
@@ -163,6 +165,7 @@ onMounted(() => {
 })
 
 onShow(() => {
+  isActive.value = true
   // 检查是否需要显示引导，如果需要则跳转到引导页面
   if (shouldShowGuideStartModal()) {
     uni.navigateTo({
@@ -171,6 +174,10 @@ onShow(() => {
   }
 })
 
+onHide(() => {
+  isActive.value = false
+})
+
 onLoad((options) => {
   // 调试模式：读取 guide_debug 参数并设置存储
   if (options && 'guide_debug' in options) {
diff --git a/frontend/pages/support-activity/index.vue b/frontend/pages/support-activity/index.vue
index 5444815..a6d6d6a 100644
--- a/frontend/pages/support-activity/index.vue
+++ b/frontend/pages/support-activity/index.vue
@@ -83,11 +83,10 @@
 <script setup>
 import { ref, computed, onMounted, onUnmounted } from 'vue'
 import { onLoad, onUnload, onShow, onHide } from '@dcloudio/uni-app'
-import { 
-  fetchActivityDetail, 
+import {
+  fetchActivityDetail,
   fetchActivityProgress,
 } from '@/utils/activity-config'
-import { getOssPresignedUrlApi } from '@/utils/api'
 import { getProgressManager, releaseProgressManager, cleanupProgressManager } from '@/utils/progress-manager'
 import screenCache from '@/utils/screen-cache'
 import performanceMonitor from '@/utils/performance-monitor'
@@ -222,52 +221,23 @@ async function handleContribute(itemType) {
 function onAnimationComplete() {
 }
 
-// 预签名 URL 缓存，同一路径只请求一次
-const presignedUrlCache = new Map()
-
-/**
- * 转换图片路径为OSS预签名URL
- */
-async function convertImageToPresignedUrl(imagePath) {
-  if (!imagePath) return null
-  if (imagePath === '') return ''
-
-  if (presignedUrlCache.has(imagePath)) {
-    return presignedUrlCache.get(imagePath)
-  }
-
-  try {
-    const response = await getOssPresignedUrlApi(imagePath, 3600, 'avatar')
-    const url = response.data?.url || imagePath
-    presignedUrlCache.set(imagePath, url)
-    return url
-  } catch (error) {
-    console.error('图片URL转换失败:', imagePath, error)
-    return imagePath
-  }
-}
-
-/**
- * 批量转换图片路径
- */
+// 批量转换图片路径 - 直接使用后端返回的URL
 async function convertActivityImages(activityData) {
   try {
     // 并发转换所有图片
     const [bannerImage, coverImage, stageBackground] = await Promise.all([
-      convertImageToPresignedUrl(activityData.banner_image),
-      convertImageToPresignedUrl(activityData.cover_image),
-      convertImageToPresignedUrl(activityData.current_stage_background)
+      Promise.resolve(activityData.banner_image),
+      Promise.resolve(activityData.cover_image),
+      Promise.resolve(activityData.current_stage_background)
     ])
-    
+
     // 转换道具图标
     const actionItems = activityData.items || []
-    const convertedItems = await Promise.all(
-      actionItems.map(async (item) => ({
-        ...item,
-        icon: await convertImageToPresignedUrl(item.icon)
-      }))
-    )
-    
+    const convertedItems = actionItems.map(item => ({
+      ...item,
+      icon: item.icon
+    }))
+
     return {
       bannerImage,
       coverImage,
diff --git a/frontend/store/modules/user.js b/frontend/store/modules/user.js
index c001975..8842011 100644
--- a/frontend/store/modules/user.js
+++ b/frontend/store/modules/user.js
@@ -1,5 +1,4 @@
-import { loginApi, registerApi, getOssPresignedUrlApi } from '@/utils/api'
-import { downloadAndCacheAvatar } from '@/utils/avatarCache'
+import { loginApi, registerApi } from '@/utils/api'
 import { resetAllGuides } from '@/utils/guideConfig'
 
 const state = {
@@ -103,31 +102,7 @@ const actions = {
 
         uni.setStorageSync('user', JSON.stringify(user))
         commit('SET_USER_INFO', user)
-        
-        // 处理头像缓存
-        if (user.avatar_url) {
-          try {
-            // 获取真实的预签名URL
-            const urlRes = await getOssPresignedUrlApi(user.avatar_url, 3600, 'avatar')
-            if (urlRes.code === 200 && urlRes.data && urlRes.data.url) {
-              // 下载并缓存头像
-              const localPath = await downloadAndCacheAvatar(user.avatar_url, urlRes.data.url)
-              
-              // 触发头像更新事件，通知Header刷新
-              setTimeout(() => {
-                uni.$emit('avatarUpdated', {
-                  uid: user.uid,
-                  avatarUrl: user.avatar_url,
-                  localPath: localPath
-                })
-              }, 100)
-            }
-          } catch (avatarError) {
-            console.error('头像缓存失败，但不影响登录:', avatarError)
-            // 头像缓存失败不影响登录流程
-          }
-        }
-        
+
         return Promise.resolve(res)
       } else {
         // 返回错误信息，包含 message
@@ -162,31 +137,7 @@ const actions = {
 
         uni.setStorageSync('user', JSON.stringify(user))
         commit('SET_USER_INFO', user)
-        
-        // 处理头像缓存
-        if (user.avatar_url) {
-          try {
-            // 获取真实的预签名URL
-            const urlRes = await getOssPresignedUrlApi(user.avatar_url, 3600, 'avatar')
-            if (urlRes.code === 200 && urlRes.data && urlRes.data.url) {
-              // 下载并缓存头像
-              const localPath = await downloadAndCacheAvatar(user.avatar_url, urlRes.data.url)
-              
-              // 触发头像更新事件，通知Header刷新
-              setTimeout(() => {
-                uni.$emit('avatarUpdated', {
-                  uid: user.uid,
-                  avatarUrl: user.avatar_url,
-                  localPath: localPath
-                })
-              }, 100)
-            }
-          } catch (avatarError) {
-            console.error('头像缓存失败，但不影响注册:', avatarError)
-            // 头像缓存失败不影响注册流程
-          }
-        }
-        
+
         return Promise.resolve(res)
       } else {
         // 处理昵称已存在的情况
diff --git a/frontend/utils/api.js b/frontend/utils/api.js
index bcf7e44..a61b349 100644
--- a/frontend/utils/api.js
+++ b/frontend/utils/api.js
@@ -1,7 +1,7 @@
 // API 基础配置
-const baseURL = 'http://101.132.250.62:8080'
+// const baseURL = 'http://101.132.250.62:8080'
 // const baseURL = 'http://192.168.110.60:8080'
-// const baseURL = 'http://localhost:8080'
+const baseURL = 'http://localhost:8080'
 
 // 是否使用模拟数据（开发调试时设为 true，后端API准备好后改为 false）
 const USE_MOCK_API = false
diff --git a/frontend/utils/assetImageHelper.js b/frontend/utils/assetImageHelper.js
index c11492a..8d050cc 100644
--- a/frontend/utils/assetImageHelper.js
+++ b/frontend/utils/assetImageHelper.js
@@ -1,5 +1,3 @@
-import { getOssPresignedUrlApi } from './api.js';
-
 /**
  * 从URL提取文件名
  * @param {String} url - URL字符串
@@ -9,10 +7,10 @@ export function extractFileNameFromUrl(url) {
   if (!url || url.startsWith('/static/')) {
     return null;
   }
-  
+
   try {
     let urlPath = url;
-    
+
     // 如果是完整URL，提取路径部分
     if (url.includes('://')) {
       // 找到协议后的第一个 / 开始的路径
@@ -22,7 +20,7 @@ export function extractFileNameFromUrl(url) {
         urlPath = url.substring(pathStartIndex);
       }
     }
-    
+
     // 提取最后一个 / 之后的内容作为文件名
     const fileName = urlPath.substring(urlPath.lastIndexOf('/') + 1);
     return fileName || null;
@@ -66,7 +64,7 @@ export function extractOssObjectPath(url) {
 }
 
 /**
- * 获取藏品封面的真实URL
+ * 获取藏品封面的真实URL - 直接使用后端返回的URL
  * @param {String} coverUrl - 后端返回的cover_url
  * @returns {Promise<String>} 真实可访问的URL
  */
@@ -79,63 +77,21 @@ export async function getAssetCoverRealUrl(coverUrl) {
     return coverUrl || DEFAULT_IMAGE;
   }
 
-  try {
-    // 提取完整OSS对象路径（保留 asset/13/87/filename.jpg 这样的前缀）
-    let objectPath = extractOssObjectPath(coverUrl);
-    if (!objectPath) {
-      console.warn('无法提取OSS对象路径，使用默认图片');
-      return DEFAULT_IMAGE;
-    }
-
-    // URL解码（处理 %2F -> / 等编码）
-    let decodedPath = decodeURIComponent(objectPath);
-
-    // 去掉 query string（?及其后面的内容）
-    const queryIndex = decodedPath.indexOf('?');
-    if (queryIndex !== -1) {
-      decodedPath = decodedPath.substring(0, queryIndex);
-    }
-
-
-    // 调用API获取预签名URL（type='asset'）
-    const res = await getOssPresignedUrlApi(decodedPath, 3600, 'asset');
-
-    if (res.code === 200 && res.data && res.data.url) {
-      return res.data.url;
-    } else {
-      console.error('获取OSS预签名URL失败:', res.message);
-      return DEFAULT_IMAGE;
-    }
-  } catch (error) {
-    console.error('获取藏品封面URL失败:', error);
-    return DEFAULT_IMAGE;
-  }
+  // 直接使用后端返回的 URL
+  return coverUrl;
 }
 
 /**
- * 获取好友头像的真实URL
+ * 获取好友头像的真实URL - 直接使用后端返回的URL
  * @param {String} avatarUrl - 后端返回的avatar_url（完整URL）
- * @returns {Promise<String>} 真实可访问的URL，失败返回空字符串（让Avatar组件使用默认头像）
+ * @returns {Promise<String>} 真实可访问的URL，失败返回空字符串
  */
 export async function getFriendAvatarRealUrl(avatarUrl) {
-  
   // 如果是本地静态资源或为空，直接返回
   if (!avatarUrl || avatarUrl.startsWith('/static/')) {
     return avatarUrl || '';
   }
-  
-  try {
-    // 直接将完整URL作为filename传递给预签名API
-    const res = await getOssPresignedUrlApi(avatarUrl, 3600, 'avatar');
-    
-    if (res.code === 200 && res.data && res.data.url) {
-      return res.data.url;
-    } else {
-      console.error('获取头像预签名URL失败:', res.message);
-      return '';
-    }
-  } catch (error) {
-    console.error('获取好友头像URL失败:', error);
-    return '';
-  }
+
+  // 直接使用后端返回的 URL
+  return avatarUrl;
 }