diff --git a/app/src/protyle/wysiwyg/remove.ts b/app/src/protyle/wysiwyg/remove.ts
index 3c0c22ad9..845c31bb3 100644
--- a/app/src/protyle/wysiwyg/remove.ts
+++ b/app/src/protyle/wysiwyg/remove.ts
@@ -196,7 +196,7 @@ export const removeBlock = async (protyle: IProtyle, blockElement: Element, rang
         if (!sideElement) {
             const backlinkElement = hasClosestByClassName(protyle.element, "sy__backlink", true)
             if (backlinkElement) {
-                const backLinkTab = getInstanceById(backlinkElement.getAttribute("data-id"));
+                const backLinkTab = getInstanceById(backlinkElement.getAttribute("data-id"), window.siyuan.layout.layout);
                 if (backLinkTab instanceof Tab && backLinkTab.model instanceof Backlink) {
                     const editors = backLinkTab.model.editors
                     editors.find((item, index) => {