diff --git a/app/src/block/popover.ts b/app/src/block/popover.ts
index 4a4aba6ba..687de31fa 100644
--- a/app/src/block/popover.ts
+++ b/app/src/block/popover.ts
@@ -47,7 +47,9 @@ export const initBlockPopover = (app: App) => {
             if (!tip) {
                 const href = aElement.getAttribute("data-href") || "";
                 // 链接地址强制换行 https://github.com/siyuan-note/siyuan/issues/11539
-                tip = `<span style="word-break: break-all">${href.substring(0, Constants.SIZE_TITLE)}</span>`;
+                if (href) {
+                    tip = `<span style="word-break: break-all">${href.substring(0, Constants.SIZE_TITLE)}</span>`;
+                }
                 const title = aElement.getAttribute("data-title");
                 if (tip && isLocalPath(href) && !aElement.classList.contains("b3-tooltips")) {
                     let assetTip = tip;