diff --git a/app/src/boot/globalEvent/command/global.ts b/app/src/boot/globalEvent/command/global.ts
index 29f592482..726ec33e9 100644
--- a/app/src/boot/globalEvent/command/global.ts
+++ b/app/src/boot/globalEvent/command/global.ts
@@ -15,7 +15,7 @@ import {isWindow} from "../../../util/functions";
 import {openRecentDocs} from "../../../business/openRecentDocs";
 import {openSearch} from "../../../search/spread";
 import {goBack, goForward} from "../../../util/backForward";
-import {getAllTabs} from "../../../layout/getAll";
+import {getAllTabs, getAllWnds} from "../../../layout/getAll";
 import {getInstanceById} from "../../../layout/util";
 import {
     closeTabByType,
@@ -39,6 +39,8 @@ import {lockScreen} from "../../../dialog/processSystem";
 import {newFile} from "../../../util/newFile";
 import {openCard} from "../../../card/openCard";
 import {syncGuide} from "../../../sync/syncGuide";
+import {Wnd} from "../../../layout/Wnd";
+import {unsplitWnd} from "../../../menus/tab";
 
 const selectOpenTab = () => {
     /// #if MOBILE
@@ -234,6 +236,29 @@ export const globalCommand = (command: string, app: App) => {
         }
         return true;
     }
+    if (command === "unsplitAll") {
+        unsplitWnd(window.siyuan.layout.centerLayout, window.siyuan.layout.centerLayout, false);
+        return true;
+    }
+    if (command === "unsplit") {
+        const tab = getActiveTab(false);
+        if (tab) {
+            let wndsTemp: Wnd[] = [];
+            let layout = tab.parent.parent;
+            while (layout.id !== window.siyuan.layout.centerLayout.id) {
+                wndsTemp = [];
+                getAllWnds(layout, wndsTemp);
+                if (wndsTemp.length > 1) {
+                    break;
+                } else {
+                    layout = layout.parent;
+                }
+            }
+            unsplitWnd(tab.parent.parent.children[0], layout, true);
+            resizeTabs();
+        }
+        return true;
+    }
     if (command === "closeTab") {
         const activeTabElement = document.querySelector(".layout__tab--active");
         if (activeTabElement && activeTabElement.getBoundingClientRect().width > 0) {
diff --git a/app/src/boot/globalEvent/command/panel.ts b/app/src/boot/globalEvent/command/panel.ts
index 419b43651..61e8b93b8 100644
--- a/app/src/boot/globalEvent/command/panel.ts
+++ b/app/src/boot/globalEvent/command/panel.ts
@@ -59,7 +59,8 @@ export const commandPanel = (app: App) => {
             "goForward", "goToEditTabNext", "goToEditTabPrev", "goToTab1", "goToTab2", "goToTab3", "goToTab4",
             "goToTab5", "goToTab6", "goToTab7", "goToTab8", "goToTab9", "goToTabNext", "goToTabPrev", "lockScreen",
             "mainMenu", "move", "newFile", "recentDocs", "replace", "riffCard", "search", "selectOpen1", "syncNow",
-            "splitLR", "splitMoveB", "splitMoveR", "splitTB", "tabToWindow", "stickSearch", "toggleDock"];
+            "splitLR", "splitMoveB", "splitMoveR", "splitTB", "tabToWindow", "stickSearch", "toggleDock", "unsplitAll",
+            "unsplit"];
         /// #if !BROWSER
         keys.push("toggleWin");
         /// #endif
diff --git a/app/src/boot/globalEvent/keydown.ts b/app/src/boot/globalEvent/keydown.ts
index d8189b5c7..36d3be22f 100644
--- a/app/src/boot/globalEvent/keydown.ts
+++ b/app/src/boot/globalEvent/keydown.ts
@@ -1563,6 +1563,16 @@ export const windowKeyDown = (app: App, event: KeyboardEvent) => {
         event.preventDefault();
         return;
     }
+    if (matchHotKey(window.siyuan.config.keymap.general.unsplit.custom, event) && !event.repeat) {
+        event.preventDefault();
+        globalCommand("unsplit", app);
+        return;
+    }
+    if (matchHotKey(window.siyuan.config.keymap.general.unsplitAll.custom, event) && !event.repeat) {
+        event.preventDefault();
+        globalCommand("unsplitAll", app);
+        return;
+    }
     if (editKeydown(app, event)) {
         return;
     }
diff --git a/app/src/constants.ts b/app/src/constants.ts
index 48ee9aaca..e4e0ecbe4 100644
--- a/app/src/constants.ts
+++ b/app/src/constants.ts
@@ -349,6 +349,8 @@ export abstract class Constants {
             closeRight: {default: "", custom: ""},
             tabToWindow: {default: "", custom: ""},
             addToDatabase: {default: "", custom: ""},
+            unsplit: {default: "", custom: ""},
+            unsplitAll: {default: "", custom: ""},
         },
         editor: {
             general: {
diff --git a/app/src/menus/tab.ts b/app/src/menus/tab.ts
index d21b69665..c48282bdc 100644
--- a/app/src/menus/tab.ts
+++ b/app/src/menus/tab.ts
@@ -136,6 +136,7 @@ const splitSubMenu = (app: App, tab: Tab) => {
     if (wndsTemp.length > 1) {
         subMenus.push({
             label: window.siyuan.languages.unsplit,
+            accelerator: window.siyuan.config.keymap.general.unsplit.custom,
             click: () => {
                 let layout = tab.parent.parent;
                 while (layout.id !== window.siyuan.layout.centerLayout.id) {
@@ -153,6 +154,7 @@ const splitSubMenu = (app: App, tab: Tab) => {
         });
         subMenus.push({
             label: window.siyuan.languages.unsplitAll,
+            accelerator: window.siyuan.config.keymap.general.unsplitAll.custom,
             click: () => {
                 unsplitWnd(window.siyuan.layout.centerLayout, window.siyuan.layout.centerLayout, false);
                 resizeTabs();
@@ -220,7 +222,7 @@ export const initTabMenu = (app: App, tab: Tab) => {
     return window.siyuan.menus.menu;
 };
 
-const unsplitWnd = (target: Wnd | Layout, layout: Layout, onlyWnd: boolean) => {
+export const unsplitWnd = (target: Wnd | Layout, layout: Layout, onlyWnd: boolean) => {
     let wnd: Wnd = target as Wnd;
     while (wnd instanceof Layout) {
         wnd = wnd.children[0] as Wnd;