diff --git a/src/renderer/src/components/Popups/UserPopup.tsx b/src/renderer/src/components/Popups/UserPopup.tsx
index 33bea081..e803df4c 100644
--- a/src/renderer/src/components/Popups/UserPopup.tsx
+++ b/src/renderer/src/components/Popups/UserPopup.tsx
@@ -4,15 +4,15 @@ import ImageStorage from '@renderer/services/ImageStorage'
 import { useAppDispatch } from '@renderer/store'
 import { setAvatar } from '@renderer/store/runtime'
 import { setUserName } from '@renderer/store/settings'
-import { compressImage } from '@renderer/utils'
-import { Avatar , Input, Modal, Popover, Upload, Dropdown } from 'antd'
+import { compressImage, isEmoji } from '@renderer/utils'
+import { Avatar, Dropdown, Input, Modal, Popover, Upload } from 'antd'
 import { useState } from 'react'
 import { useTranslation } from 'react-i18next'
 import styled from 'styled-components'
 
+import EmojiPicker from '../EmojiPicker'
 import { Center, HStack, VStack } from '../Layout'
 import { TopView } from '../TopView'
-import EmojiPicker from '../EmojiPicker'
 
 interface Props {
   resolve: (data: any) => void
@@ -51,12 +51,6 @@ const PopupContainer: React.FC<Props> = ({ resolve }) => {
     }
   }
 
-  // modify the judgment function, more accurately detect Emoji
-  const isEmoji = (str: string) => {
-    // check if it is a string and is not base64 or URL format
-    return str && typeof str === 'string' && !str.startsWith('data:') && !str.startsWith('http');
-  }
-
   const items = [
     {
       key: 'upload',
@@ -88,11 +82,12 @@ const PopupContainer: React.FC<Props> = ({ resolve }) => {
     {
       key: 'emoji',
       label: (
-        <div onClick={(e) => {
-          e.stopPropagation()
-          setEmojiPickerOpen(true)
-          setDropdownOpen(false)
-        }}>
+        <div
+          onClick={(e) => {
+            e.stopPropagation()
+            setEmojiPickerOpen(true)
+            setDropdownOpen(false)
+          }}>
           {t('settings.general.emoji_picker')}
         </div>
       )
@@ -111,8 +106,8 @@ const PopupContainer: React.FC<Props> = ({ resolve }) => {
       centered>
       <Center mt="30px">
         <VStack alignItems="center" gap="10px">
-          <Dropdown 
-            menu={{ items }} 
+          <Dropdown
+            menu={{ items }}
             trigger={['click']}
             open={dropdownOpen}
             align={{ offset: [0, 4] }}
@@ -134,11 +129,7 @@ const PopupContainer: React.FC<Props> = ({ resolve }) => {
                 }
               }}
               placement="bottom">
-              {isEmoji(avatar) ? (
-                <EmojiAvatar>{avatar}</EmojiAvatar>
-              ) : (
-                <UserAvatar src={avatar} />
-              )}
+              {isEmoji(avatar) ? <EmojiAvatar>{avatar}</EmojiAvatar> : <UserAvatar src={avatar} />}
             </Popover>
           </Dropdown>
         </VStack>
@@ -147,7 +138,7 @@ const PopupContainer: React.FC<Props> = ({ resolve }) => {
         <Input
           placeholder={t('settings.general.user_name.placeholder')}
           value={userName}
-          onChange={(e) => dispatch(setUserName(e.target.value))}
+          onChange={(e) => dispatch(setUserName(e.target.value.trim()))}
           style={{ flex: 1, textAlign: 'center', width: '100%' }}
           maxLength={30}
         />
@@ -201,4 +192,4 @@ export default class UserPopup {
       )
     })
   }
-}
\ No newline at end of file
+}
diff --git a/src/renderer/src/components/app/Sidebar.tsx b/src/renderer/src/components/app/Sidebar.tsx
index 4a46d4d7..c3ebfb1a 100644
--- a/src/renderer/src/components/app/Sidebar.tsx
+++ b/src/renderer/src/components/app/Sidebar.tsx
@@ -12,6 +12,7 @@ import useAvatar from '@renderer/hooks/useAvatar'
 import { useMinapps } from '@renderer/hooks/useMinapps'
 import { modelGenerating, useRuntime } from '@renderer/hooks/useRuntime'
 import { useSettings } from '@renderer/hooks/useSettings'
+import { isEmoji } from '@renderer/utils'
 import type { MenuProps } from 'antd'
 import { Tooltip } from 'antd'
 import { Avatar } from 'antd'
@@ -57,10 +58,6 @@ const Sidebar: FC = () => {
     })
   }
 
-  const isEmoji = (str: string) => {
-    return str && typeof str === 'string' && !str.startsWith('data:') && !str.startsWith('http');
-  }
-
   return (
     <Container
       id="app-sidebar"
@@ -69,7 +66,7 @@ const Sidebar: FC = () => {
         zIndex: minappShow ? 10000 : 'initial'
       }}>
       {isEmoji(avatar) ? (
-        <EmojiAvatarSidebar onClick={onEditUser}>{avatar}</EmojiAvatarSidebar>
+        <EmojiAvatar onClick={onEditUser}>{avatar}</EmojiAvatar>
       ) : (
         <AvatarImg src={avatar || UserAvatar} draggable={false} className="nodrag" onClick={onEditUser} />
       )}
@@ -229,7 +226,7 @@ const AvatarImg = styled(Avatar)`
   cursor: pointer;
 `
 
-const EmojiAvatarSidebar = styled.div`
+const EmojiAvatar = styled.div`
   width: 31px;
   height: 31px;
   background-color: var(--color-background-soft);
@@ -242,6 +239,7 @@ const EmojiAvatarSidebar = styled.div`
   font-size: 16px;
   cursor: pointer;
   -webkit-app-region: none;
+  border: 0.5px solid var(--color-border);
 `
 
 const MainMenusContainer = styled.div`
diff --git a/src/renderer/src/pages/home/Messages/MessageHeader.tsx b/src/renderer/src/pages/home/Messages/MessageHeader.tsx
index 616367f0..3ba02ebb 100644
--- a/src/renderer/src/pages/home/Messages/MessageHeader.tsx
+++ b/src/renderer/src/pages/home/Messages/MessageHeader.tsx
@@ -8,17 +8,13 @@ import { useMessageStyle, useSettings } from '@renderer/hooks/useSettings'
 import { getMessageModelId } from '@renderer/services/MessagesService'
 import { getModelName } from '@renderer/services/ModelService'
 import { Assistant, Message, Model } from '@renderer/types'
-import { firstLetter, removeLeadingEmoji } from '@renderer/utils'
+import { firstLetter, isEmoji, removeLeadingEmoji } from '@renderer/utils'
 import { Avatar } from 'antd'
 import dayjs from 'dayjs'
 import { CSSProperties, FC, memo, useCallback, useMemo } from 'react'
 import { useTranslation } from 'react-i18next'
 import styled from 'styled-components'
 
-const isEmoji = (str: string) => {
-  return str && typeof str === 'string' && !str.startsWith('data:') && !str.startsWith('http');
-}
-
 interface Props {
   message: Message
   assistant: Assistant
diff --git a/src/renderer/src/utils/index.ts b/src/renderer/src/utils/index.ts
index f702a036..7ce1ee03 100644
--- a/src/renderer/src/utils/index.ts
+++ b/src/renderer/src/utils/index.ts
@@ -123,6 +123,19 @@ export function getLeadingEmoji(str: string): string {
   return match ? match[0] : ''
 }
 
+export function isEmoji(str: string) {
+  if (str.startsWith('data:')) {
+    return false
+  }
+
+  if (str.startsWith('http')) {
+    return false
+  }
+
+  const emojiRegex = /^(\p{Emoji_Presentation}|\p{Emoji}\uFE0F)+/u
+  return str.match(emojiRegex)
+}
+
 export function isFreeModel(model: Model) {
   return (model.id + model.name).toLocaleLowerCase().includes('free')
 }