diff --git a/pages/ai-consult/chat.vue b/pages/ai-consult/chat.vue
index 4a318f5..ee2aeb4 100644
--- a/pages/ai-consult/chat.vue
+++ b/pages/ai-consult/chat.vue
@@ -16,7 +16,7 @@
           <evaluation-card v-if="item.messageType === 'consult_ended' && (item.rateId || session?.rateId)" class="rate-card" :extension="{ rateId: item.rateId || session.rateId }" :corp-id="corpId" :doctor-info="rateAssistantInfo" />
           <view v-else-if="item.sender === 'system' && item.messageType !== 'risk_notice'" class="system-message" :class="{ warn: item.messageType === 'sensitive_notice' }">{{ displayContent(item) }}</view>
           <view v-else-if="item.messageType !== 'risk_notice'" class="message-content">
-            <image v-if="item.sender === 'assistant'" class="avatar assistant-avatar" src="/static/home/ai-consult-assistant.png" mode="aspectFill" />
+            <image v-if="item.sender === 'assistant'" class="avatar assistant-avatar" :src="assistantAvatar" mode="aspectFill" @error="handleAssistantAvatarError" />
             <view class="message-bubble-container">
               <view v-if="item.sender === 'assistant'" class="username-label">{{ assistantDisplayName }}</view>
               <view class="message-bubble" :class="{ pending: item._sendStatus === 'pending' }">
@@ -28,7 +28,7 @@
           </view>
         </view>
         <view v-if="waitingAi" class="message-item message-assistant">
-          <view class="message-content"><image class="avatar assistant-avatar" src="/static/home/ai-consult-assistant.png" mode="aspectFill" /><view class="message-bubble-container"><view class="username-label">{{ assistantDisplayName }}</view><view class="message-bubble thinking"><view class="thinking-dot"></view><view class="thinking-dot"></view><view class="thinking-dot"></view></view></view></view>
+          <view class="message-content"><image class="avatar assistant-avatar" :src="assistantAvatar" mode="aspectFill" @error="handleAssistantAvatarError" /><view class="message-bubble-container"><view class="username-label">{{ assistantDisplayName }}</view><view class="message-bubble thinking"><view class="thinking-dot"></view><view class="thinking-dot"></view><view class="thinking-dot"></view></view></view></view>
         </view>
         <view id="bottom" />
       </view>
@@ -62,8 +62,11 @@ const waitingAi = ref(false);
 const bottomId = ref('');
 const active = ref(false);
 const keyboardHeight = ref(0);
+const avatarLoadFailed = ref(false);
+const defaultAssistantAvatar = '/static/home/ai-consult-assistant.png';
 const assistantDisplayName = computed(() => removeAiLabel(session.value?.assistantName, '咨询助理'));
-const rateAssistantInfo = computed(() => ({ name: assistantDisplayName.value, title: '咨询助理', department: session.value?.teamName || '', avatar: '' }));
+const assistantAvatar = computed(() => avatarLoadFailed.value ? defaultAssistantAvatar : (session.value?.assistantAvatar || defaultAssistantAvatar));
+const rateAssistantInfo = computed(() => ({ name: assistantDisplayName.value, title: '咨询助理', department: session.value?.teamName || '', avatar: assistantAvatar.value }));
 const patientDisplayName = computed(() => patientInfo.value?.name || session.value?.customerName || '未建档患者');
 const patientDetail = computed(() => {
   const patient = patientInfo.value || {};
@@ -109,6 +112,9 @@ function handleKeyboardHeightChange(res) {
   keyboardHeight.value = Math.max(0, Number(res?.height) || 0);
   if (keyboardHeight.value > 0) scrollToBottom();
 }
+function handleAssistantAvatarError() {
+  avatarLoadFailed.value = true;
+}
 function openPatientInfo() {
   const customerId = session.value?.archiveCustomerId;
   if (!customerId) return uni.showToast({ title: '暂无可查看的患者档案', icon: 'none' });
@@ -123,6 +129,7 @@ async function detail() {
   const res = await api('getAiConsultSessionDetail', { corpId: corpId.value, sessionId: sessionId.value, miniAppId: openid.value || uni.getStorageSync('openid') }, false);
   if (!res?.success) return uni.showToast({ title: removeAiLabel(res?.message, '加载失败'), icon: 'none' });
   session.value = res.data.session;
+  avatarLoadFailed.value = false;
   patientInfo.value = res.data.patient || null;
   messages.value = res.data.messages || [];
   active.value = session.value.status === 'active';
diff --git a/pages/message/message.vue b/pages/message/message.vue
index 5e30eba..92c6eb7 100644
--- a/pages/message/message.vue
+++ b/pages/message/message.vue
@@ -11,7 +11,7 @@
       <view v-for="conversation in conversationList" :key="conversation.source === 'ai' ? `ai-${conversation.sessionId}` : (conversation.groupID || conversation.conversationID)"
         class="message-item" @click="handleClickConversation(conversation)">
         <view class="avatar-container">
-          <image v-if="conversation.source === 'ai'" class="avatar" src="/static/home/ai-consult-assistant.png" mode="aspectFill" />
+          <image v-if="conversation.source === 'ai'" class="avatar" :src="conversation.assistantAvatar || defaultAssistantAvatar" mode="aspectFill" @error="handleConversationAvatarError(conversation)" />
           <GroupAvatar v-else :avatarList="getAvatarList(conversation.groupID)" :size="96" classType="square" />
           <view v-if="conversation.unreadCount > 0" class="unread-badge">
             <text class="unread-text">{{
@@ -101,6 +101,7 @@ const hasMore = ref(false);
 const refreshing = ref(false);
 const showSubscribeEntry = ref(false);
 const HOME_CURRENT_TEAM_CACHE_KEY = "home-current-team-info";
+const defaultAssistantAvatar = "/static/home/ai-consult-assistant.png";
 
 // 群聊头像管理
 const { loadGroupAvatars, getAvatarList } = useGroupAvatars();
@@ -262,6 +263,10 @@ function mergeConsultationList(imConversations) {
   );
 }
 
+function handleConversationAvatarError(conversation) {
+  conversation.assistantAvatar = defaultAssistantAvatar;
+}
+
 const loadAiConsultationList = async () => {
   const corpId = getCurrentTeamCorpId();
   const miniAppId = openid.value || account.value?.openid || "";
@@ -281,6 +286,7 @@ const loadAiConsultationList = async () => {
       sessionId: item.id,
       corpId: item.corpId,
       displayName: removeAiLabel(item.assistantName, "咨询助理"),
+      assistantAvatar: item.assistantAvatar || defaultAssistantAvatar,
       teamName: item.teamName || "",
       patientName: item.customerName || "未命名患者",
       lastMessage: removeAiLabel(item.statusLabel, "咨询"),