diff --git a/app/src/protyle/wysiwyg/keydown.ts b/app/src/protyle/wysiwyg/keydown.ts
index 10d072325..a9ead91a3 100644
--- a/app/src/protyle/wysiwyg/keydown.ts
+++ b/app/src/protyle/wysiwyg/keydown.ts
@@ -1554,6 +1554,10 @@ export const keydown = (protyle: IProtyle, editorElement: HTMLElement) => {
             const tabSpace = window.siyuan.config.editor.codeTabSpaces === 0 ? "\t" : "".padStart(window.siyuan.config.editor.codeTabSpaces, " ");
             if (nodeElement.getAttribute("data-type") === "NodeCodeBlock" && selectText !== "") {
                 const wbrElement = document.createElement("wbr");
+                // https://github.com/siyuan-note/siyuan/issues/8911
+                if (range.startContainer.nodeType !== 3 && (range.startContainer as Element).classList.contains("protyle-action")) {
+                    range.setStart(nodeElement.querySelector(".hljs").firstChild, 0);
+                }
                 range.insertNode(wbrElement);
                 range.setStartAfter(wbrElement);
                 const oldHTML = nodeElement.outerHTML;