diff --git a/apps/core/package.json b/apps/core/package.json
index f74552b688..1a4db3332a 100644
--- a/apps/core/package.json
+++ b/apps/core/package.json
@@ -34,7 +34,6 @@
     "@mui/material": "^5.14.4",
     "@react-hookz/web": "^23.1.0",
     "@toeverything/components": "^0.0.10",
-    "@types/lodash.throttle": "^4.1.7",
     "async-call-rpc": "^6.3.1",
     "cmdk": "^0.2.0",
     "css-spring": "^4.1.0",
@@ -44,7 +43,7 @@
     "jotai": "^2.3.1",
     "jotai-devtools": "^0.6.1",
     "lit": "^2.8.0",
-    "lodash.throttle": "^4.1.1",
+    "lodash.debounce": "^4.0.8",
     "lottie-web": "^5.12.2",
     "mini-css-extract-plugin": "^2.7.6",
     "next-themes": "^0.2.1",
@@ -67,6 +66,7 @@
     "@sentry/webpack-plugin": "^2.6.2",
     "@svgr/webpack": "^8.0.1",
     "@swc/core": "^1.3.76",
+    "@types/lodash.debounce": "^4.0.7",
     "@types/webpack-env": "^1.18.1",
     "copy-webpack-plugin": "^11.0.0",
     "css-loader": "^6.8.1",
diff --git a/apps/core/src/components/pure/header/index.tsx b/apps/core/src/components/pure/header/index.tsx
index 70fb55c0ab..78eec79d44 100644
--- a/apps/core/src/components/pure/header/index.tsx
+++ b/apps/core/src/components/pure/header/index.tsx
@@ -7,7 +7,7 @@ import {
 import { isDesktop } from '@affine/env/constant';
 import clsx from 'clsx';
 import { useAtomValue } from 'jotai';
-import throttle from 'lodash.throttle';
+import debounce from 'lodash.debounce';
 import type { MutableRefObject, ReactNode } from 'react';
 import { useEffect, useRef, useState } from 'react';
 
@@ -22,37 +22,52 @@ interface HeaderPros {
 
 const useIsTinyScreen = ({
   mainContainer,
-  leftDoms,
+  leftStatic,
+  leftSlot,
   centerDom,
-  rightDoms,
+  rightStatic,
+  rightSlot,
 }: {
   mainContainer: HTMLElement;
-  leftDoms: MutableRefObject<HTMLElement | null>[];
+  leftStatic: MutableRefObject<HTMLElement | null>;
+  leftSlot: MutableRefObject<HTMLElement | null>[];
   centerDom: MutableRefObject<HTMLElement | null>;
-  rightDoms: MutableRefObject<HTMLElement | null>[];
+  rightStatic: MutableRefObject<HTMLElement | null>;
+  rightSlot: MutableRefObject<HTMLElement | null>[];
 }) => {
   const [isTinyScreen, setIsTinyScreen] = useState(false);
 
   useEffect(() => {
-    const handleResize = throttle(() => {
+    const handleResize = debounce(() => {
       if (!centerDom.current) {
         return;
       }
-      const leftTotalWidth = leftDoms.reduce((accWidth, dom) => {
+      const leftStaticWidth = leftStatic.current?.clientWidth || 0;
+      const leftSlotWidth = leftSlot.reduce((accWidth, dom) => {
         return accWidth + (dom.current?.clientWidth || 0);
       }, 0);
 
-      const rightTotalWidth = rightDoms.reduce((accWidth, dom) => {
+      const rightStaticWidth = rightStatic.current?.clientWidth || 0;
+
+      const rightSlotWidth = rightSlot.reduce((accWidth, dom) => {
         return accWidth + (dom.current?.clientWidth || 0);
       }, 0);
 
+      if (!leftSlotWidth && !rightSlotWidth) {
+        if (isTinyScreen) {
+          setIsTinyScreen(false);
+        }
+        return;
+      }
+
       const containerRect = mainContainer.getBoundingClientRect();
       const centerRect = centerDom.current.getBoundingClientRect();
 
-      const offset = isTinyScreen ? 50 : 0;
       if (
-        leftTotalWidth + containerRect.left >= centerRect.left - offset ||
-        containerRect.right - centerRect.right <= rightTotalWidth + offset
+        leftStaticWidth + leftSlotWidth + containerRect.left >=
+          centerRect.left ||
+        containerRect.right - centerRect.right <=
+          rightSlotWidth + rightStaticWidth
       ) {
         setIsTinyScreen(true);
       } else {
@@ -67,7 +82,19 @@ const useIsTinyScreen = ({
     });
 
     resizeObserver.observe(mainContainer);
-  }, [centerDom, isTinyScreen, leftDoms, mainContainer, rightDoms]);
+
+    return () => {
+      resizeObserver.disconnect();
+    };
+  }, [
+    centerDom,
+    isTinyScreen,
+    leftSlot,
+    leftStatic,
+    mainContainer,
+    rightSlot,
+    rightStatic,
+  ]);
 
   return isTinyScreen;
 };
@@ -84,9 +111,11 @@ export const Header = ({ left, center, right }: HeaderPros) => {
 
   const isTinyScreen = useIsTinyScreen({
     mainContainer: document.querySelector('.main-container') || document.body,
-    leftDoms: [sidebarSwitchRef, leftSlotRef],
+    leftStatic: sidebarSwitchRef,
+    leftSlot: [leftSlotRef],
     centerDom: centerSlotRef,
-    rightDoms: [rightSlotRef, windowControlsRef],
+    rightSlot: [rightSlotRef],
+    rightStatic: windowControlsRef,
   });
 
   const isWindowsDesktop = globalThis.platform === 'win32' && isDesktop;
@@ -124,7 +153,6 @@ export const Header = ({ left, center, right }: HeaderPros) => {
           className={clsx({
             [style.headerCenter]: center,
             'is-window': isWindowsDesktop,
-            'has-min-width': !isTinyScreen,
           })}
           ref={centerSlotRef}
         >
diff --git a/apps/core/src/components/pure/header/style.css.tsx b/apps/core/src/components/pure/header/style.css.tsx
index a07c70d55b..781028b0f5 100644
--- a/apps/core/src/components/pure/header/style.css.tsx
+++ b/apps/core/src/components/pure/header/style.css.tsx
@@ -48,6 +48,7 @@ export const headerCenter = style({
   height: '52px',
   flexShrink: 0,
   maxWidth: '60%',
+  minWidth: '300px',
   position: 'absolute',
   transform: 'translateX(-50%)',
   left: '50%',
@@ -56,9 +57,6 @@ export const headerCenter = style({
     '&.is-window': {
       maxWidth: '50%',
     },
-    '&.is-window.has-min-width': {
-      minWidth: '400px',
-    },
     '&.shadow': {
       position: 'static',
       visibility: 'hidden',
@@ -76,6 +74,7 @@ export const headerSideContainer = style({
     },
     '&.block': {
       display: 'block',
+      paddingBottom: '10px',
     },
   },
 });
@@ -83,6 +82,8 @@ export const headerSideContainer = style({
 export const windowAppControlsWrapper = style({
   display: 'flex',
   marginLeft: '20px',
+  // header padding right
+  transform: 'translateX(16px)',
 });
 
 export const windowAppControl = style({
@@ -98,7 +99,6 @@ export const windowAppControl = style({
     '&[data-type="close"]': {
       width: '56px',
       paddingRight: '5px',
-      marginRight: '-12px',
     },
     '&[data-type="close"]:hover': {
       background: 'var(--affine-windows-close-button)',
diff --git a/yarn.lock b/yarn.lock
index 025e04704c..4bd760ba32 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -247,7 +247,7 @@ __metadata:
     "@svgr/webpack": ^8.0.1
     "@swc/core": ^1.3.76
     "@toeverything/components": ^0.0.10
-    "@types/lodash.throttle": ^4.1.7
+    "@types/lodash.debounce": ^4.0.7
     "@types/webpack-env": ^1.18.1
     async-call-rpc: ^6.3.1
     cmdk: ^0.2.0
@@ -262,7 +262,7 @@ __metadata:
     jotai: ^2.3.1
     jotai-devtools: ^0.6.1
     lit: ^2.8.0
-    lodash.throttle: ^4.1.1
+    lodash.debounce: ^4.0.8
     lottie-web: ^5.12.2
     mini-css-extract-plugin: ^2.7.6
     next-themes: ^0.2.1
@@ -12043,12 +12043,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/lodash.throttle@npm:^4.1.7":
-  version: 4.1.7
-  resolution: "@types/lodash.throttle@npm:4.1.7"
+"@types/lodash.debounce@npm:^4.0.7":
+  version: 4.0.7
+  resolution: "@types/lodash.debounce@npm:4.0.7"
   dependencies:
     "@types/lodash": "*"
-  checksum: 6e1b3836488fecbdc537b6ad9b3fe4855c7336b0fa388773cd57d486619f565a48cabc04b28677fd3819be3f2d13d2bb8f9d4428aa5632885c86cb99729bfd69
+  checksum: e873b2d77f89010876baba3437ef826b17221b98948e00b5590828334a481dea1c8f9d28543210e564adc53199584f42c3cb171f8b6c3614fefc0b4e0888679c
   languageName: node
   linkType: hard
 
@@ -23755,13 +23755,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"lodash.throttle@npm:^4.1.1":
-  version: 4.1.1
-  resolution: "lodash.throttle@npm:4.1.1"
-  checksum: 129c0a28cee48b348aef146f638ef8a8b197944d4e9ec26c1890c19d9bf5a5690fe11b655c77a4551268819b32d27f4206343e30c78961f60b561b8608c8c805
-  languageName: node
-  linkType: hard
-
 "lodash.truncate@npm:^4.4.2":
   version: 4.4.2
   resolution: "lodash.truncate@npm:4.4.2"