diff --git a/app/src/util/mount.ts b/app/src/util/mount.ts
index 26157dec5..5d3bb6438 100644
--- a/app/src/util/mount.ts
+++ b/app/src/util/mount.ts
@@ -4,7 +4,7 @@ import {isMobile} from "./functions";
 import {fetchPost} from "./fetch";
 import {Dialog} from "../dialog";
 import {getOpenNotebookCount} from "./pathName";
-import {validateName} from "../editor/rename";
+import {replaceFileName, validateName} from "../editor/rename";
 import {setStorageVal} from "../protyle/util/compatibility";
 import {openFileById} from "../editor/util";
 import {openMobileFileById} from "../mobile/editor";
@@ -123,10 +123,11 @@ export const newNotebook = () => {
         dialog.destroy();
     });
     btnsElement[1].addEventListener("click", () => {
-        const name = dialog.element.querySelector("input").value;
+        let name = dialog.element.querySelector("input").value;
         if (!validateName(name)) {
             return false;
         }
+        name = replaceFileName(name);
         fetchPost("/api/notebook/createNotebook", {
             name
         });