diff --git a/app/src/layout/Tab.ts b/app/src/layout/Tab.ts
index 237fb0a91..b6208b70c 100644
--- a/app/src/layout/Tab.ts
+++ b/app/src/layout/Tab.ts
@@ -8,7 +8,7 @@ import {escapeGreat, escapeHtml} from "../util/escape";
 import {unicode2Emoji} from "../emoji";
 import {fetchPost} from "../util/fetch";
 import {hideTooltip, showTooltip} from "../dialog/tooltip";
-import {isTouchDevice} from "../util/functions";
+import {isTouchDevice, isWindow} from "../util/functions";
 /// #if !BROWSER
 import {openNewWindow} from "../window/openNewWindow";
 import {ipcRenderer} from "electron";
@@ -99,6 +99,9 @@ export class Tab {
                     tabElement.style.opacity = "0.38";
                     window.siyuan.dragElement = this.headElement;
                 }
+                if (isWindow() && this.headElement.getBoundingClientRect().top <= 0) {
+                    ((this.headElement.parentElement.parentElement.querySelector(".item--readonly .fn__flex-1") as HTMLElement).style as CSSStyleDeclarationElectron).WebkitAppRegion = "";
+                }
             });
             this.headElement.addEventListener("dragend", (event: DragEvent & { target: HTMLElement }) => {
                 const tabElement = hasClosestByTag(event.target, "LI");
@@ -136,6 +139,9 @@ export class Tab {
                         }
                     });
                 }
+                if (isWindow() && this.headElement.getBoundingClientRect().top <= 0) {
+                    ((this.headElement.parentElement.parentElement.querySelector(".item--readonly .fn__flex-1") as HTMLElement).style as CSSStyleDeclarationElectron).WebkitAppRegion = "drag";
+                }
             });
         }
 
diff --git a/app/src/layout/Wnd.ts b/app/src/layout/Wnd.ts
index 1e0934553..003c67c52 100644
--- a/app/src/layout/Wnd.ts
+++ b/app/src/layout/Wnd.ts
@@ -231,7 +231,6 @@ export class Wnd {
                 }
             }
         });
-
         this.headersElement.parentElement.addEventListener("drop", function (event: DragEvent & {
             target: HTMLElement
         }) {
diff --git a/app/src/types/index.d.ts b/app/src/types/index.d.ts
index 92eead7ca..d46efd65b 100644
--- a/app/src/types/index.d.ts
+++ b/app/src/types/index.d.ts
@@ -124,6 +124,10 @@ declare namespace CSS {
     const highlights: Map<string, Highlight>;
 }
 
+interface CSSStyleDeclarationElectron extends CSSStyleDeclaration {
+    WebkitAppRegion: string
+}
+
 interface Window {
     echarts: {
         init(element: HTMLElement, theme?: string, options?: {
diff --git a/app/src/window/setHeader.ts b/app/src/window/setHeader.ts
index 19cc5a6af..cfeae50cc 100644
--- a/app/src/window/setHeader.ts
+++ b/app/src/window/setHeader.ts
@@ -18,11 +18,9 @@ export const setTabPosition = () => {
         const dragElement = headerElement.querySelector(".item--readonly .fn__flex-1") as HTMLElement;
         if (rect.top <= 0) {
             dragElement.style.height = dragElement.parentElement.clientHeight + "px";
-            // @ts-ignore
-            dragElement.style.WebkitAppRegion = "drag";
+            (dragElement.style as CSSStyleDeclarationElectron).WebkitAppRegion = "drag";
         } else {
-            // @ts-ignore
-            dragElement.style.WebkitAppRegion = "";
+            (dragElement.style as CSSStyleDeclarationElectron).WebkitAppRegion = "";
         }
         const headersLastElement = headerElement.lastElementChild as HTMLElement;
         if ("darwin" === window.siyuan.config.system.os) {