diff --git a/app/src/protyle/header/Background.ts b/app/src/protyle/header/Background.ts
index b2460bb1f..74337f02a 100644
--- a/app/src/protyle/header/Background.ts
+++ b/app/src/protyle/header/Background.ts
@@ -84,7 +84,7 @@ export class Background {
         } else {
             this.element.addEventListener("dragover", async (event) => {
                 event.preventDefault();
-            })
+            });
             this.element.addEventListener("drop", async (event: DragEvent & { target: HTMLElement }) => {
                 if (event.dataTransfer.types[0] === "Files" && event.dataTransfer.files[0].type.indexOf("image") !== -1) {
                     uploadFiles(protyle, [event.dataTransfer.files[0]], undefined, (responseText) => {
@@ -98,7 +98,7 @@ export class Background {
                         });
                     });
                 }
-            })
+            });
             this.imgElement.addEventListener("mousedown", (event: MouseEvent & { target: HTMLElement }) => {
                 event.preventDefault();
                 if (!this.element.firstElementChild.querySelector(".protyle-icons").classList.contains("fn__none")) {
diff --git a/app/src/protyle/header/Title.ts b/app/src/protyle/header/Title.ts
index 75cfd021b..eae46b0db 100644
--- a/app/src/protyle/header/Title.ts
+++ b/app/src/protyle/header/Title.ts
@@ -16,7 +16,6 @@ import {
 import {getCurrentWindow} from "@electron/remote";
 /// #endif
 import {Constants} from "../../constants";
-import {hasClosestByClassName} from "../util/hasClosest";
 import {matchHotKey} from "../util/hotKey";
 import {readText, updateHotkeyTip, writeText} from "../util/compatibility";
 import {escapeHtml} from "../../util/escape";
diff --git a/app/src/protyle/wysiwyg/commonClick.ts b/app/src/protyle/wysiwyg/commonClick.ts
index dd6723022..f54b6289a 100644
--- a/app/src/protyle/wysiwyg/commonClick.ts
+++ b/app/src/protyle/wysiwyg/commonClick.ts
@@ -76,4 +76,4 @@ export const commonClick = (event: MouseEvent & {
         event.stopPropagation();
         return true;
     }
-}
+};