diff --git a/app/src/protyle/wysiwyg/index.ts b/app/src/protyle/wysiwyg/index.ts
index 8fc957f41..0bbc4baa3 100644
--- a/app/src/protyle/wysiwyg/index.ts
+++ b/app/src/protyle/wysiwyg/index.ts
@@ -1741,7 +1741,7 @@ export class WYSIWYG {
             }
             const range = getSelection().getRangeAt(0);
             if (this.element === range.startContainer || this.element.contains(range.startContainer)) {
-                protyle.toolbar.range = range;
+                protyle.toolbar.range = range.cloneRange();
             }
         });