diff --git a/src/renderer/src/pages/home/Chat.tsx b/src/renderer/src/pages/home/Chat.tsx
index 1618d5e633..3c82f34eb9 100644
--- a/src/renderer/src/pages/home/Chat.tsx
+++ b/src/renderer/src/pages/home/Chat.tsx
@@ -13,6 +13,7 @@ import { Assistant, Topic } from '@renderer/types'
 import { classNames } from '@renderer/utils'
 import { Flex } from 'antd'
 import { debounce } from 'lodash'
+import { AnimatePresence, motion } from 'motion/react'
 import React, { FC, useState } from 'react'
 import { useHotkeys } from 'react-hotkeys-hook'
 import styled from 'styled-components'
@@ -43,7 +44,6 @@ const Chat: FC<Props> = (props) => {
   const contentSearchRef = React.useRef<ContentSearchRef>(null)
   const [filterIncludeUser, setFilterIncludeUser] = useState(false)
 
-  const maxWidth = useChatMaxWidth()
   const { setTimeoutTimer } = useTimer()
 
   useHotkeys('esc', () => {
@@ -131,7 +131,7 @@ const Chat: FC<Props> = (props) => {
           vertical
           flex={1}
           justify="space-between"
-          style={{ maxWidth, height: mainHeight }}>
+          style={{ maxWidth: '100%', height: mainHeight }}>
           <Messages
             key={props.activeTopic.id}
             assistant={assistant}
@@ -153,15 +153,24 @@ const Chat: FC<Props> = (props) => {
             {isMultiSelectMode && <MultiSelectActionPopup topic={props.activeTopic} />}
           </QuickPanelProvider>
         </Main>
-        {topicPosition === 'right' && showTopics && (
-          <Tabs
-            activeAssistant={assistant}
-            activeTopic={props.activeTopic}
-            setActiveAssistant={props.setActiveAssistant}
-            setActiveTopic={props.setActiveTopic}
-            position="right"
-          />
-        )}
+        <AnimatePresence initial={false}>
+          {topicPosition === 'right' && showTopics && (
+            <motion.div
+              initial={{ width: 0, opacity: 0 }}
+              animate={{ width: 'auto', opacity: 1 }}
+              exit={{ width: 0, opacity: 0 }}
+              transition={{ duration: 0.3, ease: 'easeInOut' }}
+              style={{ overflow: 'hidden' }}>
+              <Tabs
+                activeAssistant={assistant}
+                activeTopic={props.activeTopic}
+                setActiveAssistant={props.setActiveAssistant}
+                setActiveTopic={props.setActiveTopic}
+                position="right"
+              />
+            </motion.div>
+          )}
+        </AnimatePresence>
       </HStack>
     </Container>
   )
diff --git a/src/renderer/src/pages/home/ChatNavbar.tsx b/src/renderer/src/pages/home/ChatNavbar.tsx
index 4ceb89cf5f..4b4f94909f 100644
--- a/src/renderer/src/pages/home/ChatNavbar.tsx
+++ b/src/renderer/src/pages/home/ChatNavbar.tsx
@@ -13,6 +13,7 @@ import { Assistant, Topic } from '@renderer/types'
 import { Tooltip } from 'antd'
 import { t } from 'i18next'
 import { Menu, PanelLeftClose, PanelRightClose, Search } from 'lucide-react'
+import { AnimatePresence, motion } from 'motion/react'
 import { FC } from 'react'
 import styled from 'styled-components'
 
@@ -80,11 +81,19 @@ const HeaderNavbar: FC<Props> = ({ activeAssistant, setActiveAssistant, activeTo
             </NavbarIcon>
           </Tooltip>
         )}
-        {!showAssistants && (
-          <NavbarIcon onClick={onShowAssistantsDrawer} style={{ marginRight: 8 }}>
-            <Menu size={18} />
-          </NavbarIcon>
-        )}
+        <AnimatePresence initial={false}>
+          {!showAssistants && (
+            <motion.div
+              initial={{ width: 0, opacity: 0 }}
+              animate={{ width: 'auto', opacity: 1 }}
+              exit={{ width: 0, opacity: 0 }}
+              transition={{ duration: 0.3, ease: 'easeInOut' }}>
+              <NavbarIcon onClick={onShowAssistantsDrawer} style={{ marginRight: 8 }}>
+                <Menu size={18} />
+              </NavbarIcon>
+            </motion.div>
+          )}
+        </AnimatePresence>
         <SelectModelButton assistant={assistant} />
       </HStack>
       <HStack alignItems="center" gap={8}>
diff --git a/src/renderer/src/pages/home/HomePage.tsx b/src/renderer/src/pages/home/HomePage.tsx
index a32eff2bb1..0e3be2e7b7 100644
--- a/src/renderer/src/pages/home/HomePage.tsx
+++ b/src/renderer/src/pages/home/HomePage.tsx
@@ -7,6 +7,7 @@ import NavigationService from '@renderer/services/NavigationService'
 import { newMessagesActions } from '@renderer/store/newMessage'
 import { Assistant, Topic } from '@renderer/types'
 import { MIN_WINDOW_HEIGHT, MIN_WINDOW_WIDTH, SECOND_MIN_WINDOW_WIDTH } from '@shared/config/constant'
+import { AnimatePresence, motion } from 'motion/react'
 import { FC, startTransition, useCallback, useEffect, useState } from 'react'
 import { useDispatch } from 'react-redux'
 import { useLocation, useNavigate } from 'react-router-dom'
@@ -100,17 +101,26 @@ const HomePage: FC = () => {
         />
       )}
       <ContentContainer id={isLeftNavbar ? 'content-container' : undefined}>
-        {showAssistants && (
-          <ErrorBoundary>
-            <HomeTabs
-              activeAssistant={activeAssistant}
-              activeTopic={activeTopic}
-              setActiveAssistant={setActiveAssistant}
-              setActiveTopic={setActiveTopic}
-              position="left"
-            />
-          </ErrorBoundary>
-        )}
+        <AnimatePresence initial={false}>
+          {showAssistants && (
+            <ErrorBoundary>
+              <motion.div
+                initial={{ width: 0, opacity: 0 }}
+                animate={{ width: 'var(--assistants-width)', opacity: 1 }}
+                exit={{ width: 0, opacity: 0 }}
+                transition={{ duration: 0.3, ease: 'easeInOut' }}
+                style={{ overflow: 'hidden' }}>
+                <HomeTabs
+                  activeAssistant={activeAssistant}
+                  activeTopic={activeTopic}
+                  setActiveAssistant={setActiveAssistant}
+                  setActiveTopic={setActiveTopic}
+                  position="left"
+                />
+              </motion.div>
+            </ErrorBoundary>
+          )}
+        </AnimatePresence>
         <ErrorBoundary>
           <Chat
             assistant={activeAssistant}
diff --git a/src/renderer/src/pages/home/Navbar.tsx b/src/renderer/src/pages/home/Navbar.tsx
index a2832e65df..5f75c36c0a 100644
--- a/src/renderer/src/pages/home/Navbar.tsx
+++ b/src/renderer/src/pages/home/Navbar.tsx
@@ -15,6 +15,7 @@ import { Assistant, Topic } from '@renderer/types'
 import { Tooltip } from 'antd'
 import { t } from 'i18next'
 import { Menu, MessageSquareDiff, PanelLeftClose, PanelRightClose, Search } from 'lucide-react'
+import { AnimatePresence, motion } from 'motion/react'
 import { FC } from 'react'
 import styled from 'styled-components'
 
@@ -68,20 +69,29 @@ const HeaderNavbar: FC<Props> = ({ activeAssistant, setActiveAssistant, activeTo
 
   return (
     <Navbar className="home-navbar">
-      {showAssistants && (
-        <NavbarLeft style={{ justifyContent: 'space-between', borderRight: 'none', padding: 0 }}>
-          <Tooltip title={t('navbar.hide_sidebar')} mouseEnterDelay={0.8}>
-            <NavbarIcon onClick={toggleShowAssistants} style={{ marginLeft: isMac && !isFullscreen ? 16 : 0 }}>
-              <PanelLeftClose size={18} />
-            </NavbarIcon>
-          </Tooltip>
-          <Tooltip title={t('settings.shortcuts.new_topic')} mouseEnterDelay={0.8}>
-            <NavbarIcon onClick={() => EventEmitter.emit(EVENT_NAMES.ADD_NEW_TOPIC)} style={{ marginRight: 5 }}>
-              <MessageSquareDiff size={18} />
-            </NavbarIcon>
-          </Tooltip>
-        </NavbarLeft>
-      )}
+      <AnimatePresence initial={false}>
+        {showAssistants && (
+          <motion.div
+            initial={{ width: 0, opacity: 0 }}
+            animate={{ width: 'auto', opacity: 1 }}
+            exit={{ width: 0, opacity: 0 }}
+            transition={{ duration: 0.3, ease: 'easeInOut' }}
+            style={{ overflow: 'hidden', display: 'flex', flexDirection: 'row' }}>
+            <NavbarLeft style={{ justifyContent: 'space-between', borderRight: 'none', padding: 0 }}>
+              <Tooltip title={t('navbar.hide_sidebar')} mouseEnterDelay={0.8}>
+                <NavbarIcon onClick={toggleShowAssistants} style={{ marginLeft: isMac && !isFullscreen ? 16 : 0 }}>
+                  <PanelLeftClose size={18} />
+                </NavbarIcon>
+              </Tooltip>
+              <Tooltip title={t('settings.shortcuts.new_topic')} mouseEnterDelay={0.8}>
+                <NavbarIcon onClick={() => EventEmitter.emit(EVENT_NAMES.ADD_NEW_TOPIC)} style={{ marginRight: 5 }}>
+                  <MessageSquareDiff size={18} />
+                </NavbarIcon>
+              </Tooltip>
+            </NavbarLeft>
+          </motion.div>
+        )}
+      </AnimatePresence>
       <NavbarRight style={{ justifyContent: 'space-between', flex: 1 }} className="home-navbar-right">
         <HStack alignItems="center">
           {!showAssistants && (
@@ -93,11 +103,20 @@ const HeaderNavbar: FC<Props> = ({ activeAssistant, setActiveAssistant, activeTo
               </NavbarIcon>
             </Tooltip>
           )}
-          {!showAssistants && (
-            <NavbarIcon onClick={onShowAssistantsDrawer} style={{ marginRight: 8 }}>
-              <Menu size={18} />
-            </NavbarIcon>
-          )}
+          <AnimatePresence initial={false}>
+            {!showAssistants && (
+              <motion.div
+                initial={{ width: 0, opacity: 0 }}
+                animate={{ width: 'auto', opacity: 1 }}
+                exit={{ width: 0, opacity: 0 }}
+                transition={{ duration: 0.3, ease: 'easeInOut' }}
+                style={{ overflow: 'hidden' }}>
+                <NavbarIcon onClick={onShowAssistantsDrawer} style={{ marginRight: 8 }}>
+                  <Menu size={18} />
+                </NavbarIcon>
+              </motion.div>
+            )}
+          </AnimatePresence>
           <SelectModelButton assistant={assistant} />
         </HStack>
         <HStack alignItems="center" gap={8}>