diff --git a/app/src/protyle/wysiwyg/index.ts b/app/src/protyle/wysiwyg/index.ts
index 4dd061c48..fb4db8857 100644
--- a/app/src/protyle/wysiwyg/index.ts
+++ b/app/src/protyle/wysiwyg/index.ts
@@ -1093,7 +1093,7 @@ export class WYSIWYG {
                 }
             }
             protyle.hint.render(protyle);
-            event.clipboardData.setData("text/plain", protyle.lute.BlockDOM2StdMd(html));
+            event.clipboardData.setData("text/plain", protyle.lute.BlockDOM2StdMd(html).trimEnd());  // 需要 trimEnd，否则 \n 会导致 https://github.com/siyuan-note/siyuan/issues/6218
             event.clipboardData.setData("text/html", Constants.ZWSP + html);
         });