diff --git a/components/canvas/CanvasChatPanel.tsx b/components/canvas/CanvasChatPanel.tsx
index b5be8aed3..12c8a647d 100644
--- a/components/canvas/CanvasChatPanel.tsx
+++ b/components/canvas/CanvasChatPanel.tsx
@@ -364,6 +364,7 @@ function Response(props: ResponseProps) {
 interface TagPreviewInfo {
   url: string;
   name: string;
+  contentType?: string;
   x: number;  // 标签中心x位置
   y: number;  // 标签顶部y位置
   // 聊天面板容器边界