diff --git a/components/canvas/CanvasChatPanel.tsx b/components/canvas/CanvasChatPanel.tsx
index 087868a..f1e9529 100644
--- a/components/canvas/CanvasChatPanel.tsx
+++ b/components/canvas/CanvasChatPanel.tsx
@@ -331,7 +331,13 @@ export function CanvasChatPanel({ chatId, initialMessages = [], onClose, onOpenF
             variant="ghost" 
             size="icon" 
             className="h-8 w-8 rounded-full hover:bg-muted"
-            onClick={onOpenFileList}
+            onClick={(e) => {
+              e.preventDefault();
+              e.stopPropagation();
+              if (onOpenFileList) {
+                onOpenFileList();
+              }
+            }}
             title="已生成文件列表"
           >
             <LayoutGrid className="h-4 w-4" />