diff --git a/app/src/search/util.ts b/app/src/search/util.ts
index cdab3c1d1..ae29f8cf8 100644
--- a/app/src/search/util.ts
+++ b/app/src/search/util.ts
@@ -307,7 +307,7 @@ export const genSearch = (config: ISearchOption, element: Element, closeCB?: ()
                                 hPathList.push(escapeHtml(getNotebookName(toNotebook[index])));
                             } else {
                                 enableIncludeChild = true;
-                                config.idPath.push(pathPosix().join(toNotebook[index], item));
+                                config.idPath.push(pathPosix().join(toNotebook[index], item.replace(".sy", "")));
                             }
                         });
                         if (response.data) {