diff --git a/src/components/chat-toolbar/chat-toolbar.tsx b/src/components/chat-toolbar/chat-toolbar.tsx
index c95cc56f17e475cb85addc0c737891c8f5a6c241..e5ab2cfac7de35325930d1cdf27a0202a616e6a1 100644
--- a/src/components/chat-toolbar/chat-toolbar.tsx
+++ b/src/components/chat-toolbar/chat-toolbar.tsx
@@ -70,7 +70,7 @@ export const ChatToolbar = (props: ChatToolbarProps) => {
       title: '新建对话',
       icon: <NewDialogue />,
       onClick: () => {
-        console.log('TODO 新建对话');
+        controller.newDialogue();
       },
     },
   ];
diff --git a/src/controller/ai-chat/ai-chat.controller.ts b/src/controller/ai-chat/ai-chat.controller.ts
index 43c371fd0e13cbafa1f0b6d9e934d7d56031e5f3..429a7c519592f70179262889dc1500dda1ff7781 100644
--- a/src/controller/ai-chat/ai-chat.controller.ts
+++ b/src/controller/ai-chat/ai-chat.controller.ts
@@ -310,4 +310,25 @@ export class AiChatController {
       this.opts.action('copymsg', message);
     }
   }
+
+  /**
+   * 新建对话
+   *
+   * @memberof AiChatController
+   */
+  async newDialogue() {
+    // 清空消息
+    this.messages.value.length = 0;
+    // 清除缓存
+    if (this.topicId)
+      await IndexedDBUtil.deleteData(
+        AIChatConst.DATA_BASE_NAME,
+        AIChatConst.DATA_TABLE_NAME,
+        this.topicId,
+      );
+    // 获取历史记录
+    this.opts.history(this.context, this.params, {
+      appDataEntityId: this.appDataEntityId,
+    });
+  }
 }