diff --git a/schoolNewsServ/ai/src/main/java/org/xyzh/ai/service/impl/AiChatServiceImpl.java b/schoolNewsServ/ai/src/main/java/org/xyzh/ai/service/impl/AiChatServiceImpl.java
index f461327..4914af3 100644
--- a/schoolNewsServ/ai/src/main/java/org/xyzh/ai/service/impl/AiChatServiceImpl.java
+++ b/schoolNewsServ/ai/src/main/java/org/xyzh/ai/service/impl/AiChatServiceImpl.java
@@ -273,16 +273,11 @@ public class AiChatServiceImpl implements AiChatService {
             if (StringUtils.hasText(conversation.getDifyConversationId())) {
                 chatRequest.setConversationId(conversation.getDifyConversationId());
             }
-            
-            // 设置知识库ID列表（从Redis获取）
-            if (knowledgeIds != null && !knowledgeIds.isEmpty()) {
-                chatRequest.setDatasetIds(knowledgeIds);
-                log.info("使用知识库: {}", knowledgeIds);
-            }
 
             chatRequest.setResponseMode("streaming");
             Map<String, Object> inputs = new HashMap<>();
             inputs.put("connectInternet", agent.getConnectInternet());
+            inputs.put("datasets", JSON.toJSONString(knowledgeIds));
             chatRequest.setInputs(inputs);
             chatRequest.setFiles(filesData);
             // 6. 调用Dify流式对话
diff --git a/schoolNewsWeb/src/apis/ai/chat.ts b/schoolNewsWeb/src/apis/ai/chat.ts
index 7a99faf..d1d2d7a 100644
--- a/schoolNewsWeb/src/apis/ai/chat.ts
+++ b/schoolNewsWeb/src/apis/ai/chat.ts
@@ -225,7 +225,7 @@ export const chatApi = {
    * @returns Promise<ResultDomain<boolean>>
    */
   async deleteConversation(conversationId: string): Promise<ResultDomain<boolean>> {
-    const response = await api.delete<boolean>(`/ai/chat/conversation/${conversationId}`, {
+    const response = await api.delete<boolean>(`/ai/chat/conversation/${conversationId}`,{}, {
       showLoading: false
     });
     return response.data;
@@ -249,7 +249,7 @@ export const chatApi = {
    * @returns Promise<ResultDomain<AiMessage[]>>
    */
   async listMessages(conversationId: string): Promise<ResultDomain<AiMessage>> {
-    const response = await api.get<AiMessage>(`/ai/chat/conversation/${conversationId}/messages`, {
+    const response = await api.get<AiMessage>(`/ai/chat/conversation/${conversationId}/messages`, {},{
       showLoading: false
     });
     return response.data;
diff --git a/schoolNewsWeb/src/apis/ai/file-upload.ts b/schoolNewsWeb/src/apis/ai/file-upload.ts
index 0d45fea..b6d225e 100644
--- a/schoolNewsWeb/src/apis/ai/file-upload.ts
+++ b/schoolNewsWeb/src/apis/ai/file-upload.ts
@@ -136,7 +136,7 @@ export const fileUploadApi = {
    * @returns Promise<ResultDomain<AiUploadFile[]>>
    */
   async listFilesByMessage(messageId: string): Promise<ResultDomain<AiUploadFile[]>> {
-    const response = await api.get<AiUploadFile[]>(`/ai/file/message/${messageId}`, {
+    const response = await api.get<AiUploadFile[]>(`/ai/file/message/${messageId}`, {},{
       showLoading: false
     });
     return response.data;
diff --git a/schoolNewsWeb/src/views/public/ai/AIAgent.vue b/schoolNewsWeb/src/views/public/ai/AIAgent.vue
index 6ed1694..fa393a8 100644
--- a/schoolNewsWeb/src/views/public/ai/AIAgent.vue
+++ b/schoolNewsWeb/src/views/public/ai/AIAgent.vue
@@ -460,10 +460,11 @@ async function loadRecentConversations() {
         conversations.value = [];
       }
 
+      // 不自动选中对话，等待用户手动点击
       // 如果有对话，自动选中第一个
-      if (conversations.value.length > 0 && !currentConversation.value) {
-        await selectConversation(conversations.value[0]);
-      }
+      // if (conversations.value.length > 0 && !currentConversation.value) {
+      //   await selectConversation(conversations.value[0]);
+      // }
     }
   } catch (error) {
     console.error('加载对话历史失败:', error);
@@ -608,10 +609,21 @@ async function loadMessages(conversationId: string) {
       const messageList = result.dataList || result.data || [];
       messages.value = Array.isArray(messageList) ? messageList : [];
       
-      // 加载每条用户消息的关联文件
+      // 加载每条用户消息的关联文件（只有当fileIDs不为空时）
       for (const message of messages.value) {
-        if (message.role === 'user' && message.id) {
-          await loadMessageFiles(message.id);
+        if (message.role === 'user' && message.id && message.fileIDs) {
+          // 检查fileIDs是否不为空（可能是JSON字符串或数组）
+          let hasFiles = false;
+          const fileIDs = message.fileIDs;
+          if (typeof fileIDs === 'string') {
+            hasFiles = fileIDs.trim() !== '' && fileIDs !== '[]';
+          } else if (Array.isArray(fileIDs)) {
+            hasFiles = (fileIDs as any[]).length > 0;
+          }
+          
+          if (hasFiles) {
+            await loadMessageFiles(message.id);
+          }
         }
       }
       
@@ -1691,31 +1703,41 @@ onUnmounted(() => {
     }
 
     .message-files {
-      margin-top: 8px;
+      margin-top: 12px;
       display: flex;
       flex-direction: column;
-      gap: 6px;
+      gap: 8px;
 
       .message-file-item {
         .file-link {
           display: flex;
           align-items: center;
-          gap: 6px;
-          padding: 8px 12px;
-          background: rgba(255, 255, 255, 0.1);
-          border-radius: 6px;
+          gap: 10px;
+          padding: 10px 14px;
+          background: rgba(255, 255, 255, 0.15);
+          border: 1px solid rgba(255, 255, 255, 0.25);
+          border-radius: 8px;
           text-decoration: none;
           color: inherit;
-          transition: all 0.2s;
+          transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
           font-size: 13px;
+          box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
 
           &:hover {
-            background: rgba(255, 255, 255, 0.2);
+            background: rgba(255, 255, 255, 0.25);
+            border-color: rgba(255, 255, 255, 0.4);
+            transform: translateX(3px);
+            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
+          }
+
+          &:active {
             transform: translateX(2px);
           }
 
           .file-icon {
-            font-size: 16px;
+            font-size: 18px;
+            flex-shrink: 0;
+            filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
           }
 
           .file-name {
@@ -1723,11 +1745,17 @@ onUnmounted(() => {
             overflow: hidden;
             text-overflow: ellipsis;
             white-space: nowrap;
+            font-weight: 500;
+            letter-spacing: 0.01em;
           }
 
           .file-size {
-            opacity: 0.7;
-            font-size: 12px;
+            opacity: 0.8;
+            font-size: 11px;
+            font-weight: 400;
+            flex-shrink: 0;
+            padding-left: 8px;
+            border-left: 1px solid rgba(255, 255, 255, 0.2);
           }
         }
       }