diff --git a/src/components/BottomSheet.tsx b/src/components/BottomSheet.tsx
index 032ef619..3620059d 100644
--- a/src/components/BottomSheet.tsx
+++ b/src/components/BottomSheet.tsx
@@ -12,6 +12,7 @@ import {
 import { useSafeAreaInsets } from 'react-native-safe-area-context'
 import { useTheme } from 'src/utils/styles/ThemeManager'
 import { StyleConstants } from 'src/utils/styles/constants'
+import Button from './Button'
 
 export interface Props {
   children: React.ReactNode
@@ -85,12 +86,10 @@ const BottomSheet: React.FC<Props> = ({ children, visible, handleDismiss }) => {
             style={[styles.handle, { backgroundColor: theme.background }]}
           />
           {children}
-          <Pressable
+          <Button
             onPress={() => closeModal.start(() => handleDismiss())}
-            style={[styles.cancel, { borderColor: theme.primary }]}
-          >
-            <Text style={[styles.text, { color: theme.primary }]}>取消</Text>
-          </Pressable>
+            text='取消'
+          />
         </Animated.View>
       </View>
     </Modal>
@@ -111,17 +110,6 @@ const styles = StyleSheet.create({
     height: StyleConstants.Spacing.S / 2,
     borderRadius: 100,
     top: -StyleConstants.Spacing.M * 2
-  },
-  cancel: {
-    padding: StyleConstants.Spacing.S,
-    marginLeft: StyleConstants.Spacing.L,
-    marginRight: StyleConstants.Spacing.L,
-    borderWidth: 1,
-    borderRadius: 100
-  },
-  text: {
-    fontSize: StyleConstants.Font.Size.L,
-    textAlign: 'center'
   }
 })
 
diff --git a/src/components/Button.tsx b/src/components/Button.tsx
index d6a1c36b..48ccd4c9 100644
--- a/src/components/Button.tsx
+++ b/src/components/Button.tsx
@@ -1,38 +1,74 @@
+import { Feather } from '@expo/vector-icons'
 import React from 'react'
 import { Pressable, StyleSheet, Text } from 'react-native'
 import { StyleConstants } from 'src/utils/styles/constants'
 import { useTheme } from 'src/utils/styles/ThemeManager'
 
-export interface Props {
+type PropsBase = {
   onPress: () => void
-  text: string
-  fontSize?: 'S' | 'M' | 'L'
+  disabled?: boolean
+  buttonSize?: 'S' | 'M'
 }
 
-const Button: React.FC<Props> = ({ onPress, text, fontSize = 'M' }) => {
+export interface PropsText extends PropsBase {
+  text: string
+  icon?: string
+  size?: 'S' | 'M' | 'L'
+}
+
+export interface PropsIcon extends PropsBase {
+  text?: string
+  icon: string
+  size?: 'S' | 'M' | 'L'
+}
+
+const Button: React.FC<PropsText | PropsIcon> = ({
+  onPress,
+  disabled = false,
+  buttonSize = 'M',
+  text,
+  icon,
+  size = 'M'
+}) => {
   const { theme } = useTheme()
 
   return (
     <Pressable
-      onPress={onPress}
-      style={[styles.button, { borderColor: theme.primary }]}
+      {...(!disabled && { onPress })}
+      style={[
+        styles.button,
+        {
+          borderColor: disabled ? theme.secondary : theme.primary,
+          paddingTop: StyleConstants.Spacing[buttonSize === 'M' ? 'S' : 'XS'],
+          paddingBottom: StyleConstants.Spacing[buttonSize === 'M' ? 'S' : 'XS']
+        }
+      ]}
     >
-      <Text
-        style={[
-          styles.text,
-          { color: theme.primary, fontSize: StyleConstants.Font.Size[fontSize] }
-        ]}
-      >
-        {text}
-      </Text>
+      {icon ? (
+        <Feather
+          name={icon}
+          size={StyleConstants.Font.Size[size]}
+          color={disabled ? theme.secondary : theme.primary}
+        />
+      ) : (
+        <Text
+          style={[
+            styles.text,
+            {
+              color: disabled ? theme.secondary : theme.primary,
+              fontSize: StyleConstants.Font.Size[size]
+            }
+          ]}
+        >
+          {text}
+        </Text>
+      )}
     </Pressable>
   )
 }
 
 const styles = StyleSheet.create({
   button: {
-    paddingTop: StyleConstants.Spacing.S,
-    paddingBottom: StyleConstants.Spacing.S,
     paddingLeft: StyleConstants.Spacing.M,
     paddingRight: StyleConstants.Spacing.M,
     borderWidth: 1,
diff --git a/src/components/Timelines/Timeline/Shared/Card.tsx b/src/components/Timelines/Timeline/Shared/Card.tsx
index 1aa8ff10..fbe980f3 100644
--- a/src/components/Timelines/Timeline/Shared/Card.tsx
+++ b/src/components/Timelines/Timeline/Shared/Card.tsx
@@ -58,7 +58,7 @@ const styles = StyleSheet.create({
     flexDirection: 'row',
     height: StyleConstants.Avatar.L,
     marginTop: StyleConstants.Spacing.M,
-    borderWidth: 0.5,
+    borderWidth: StyleSheet.hairlineWidth,
     borderRadius: 6
   },
   left: {
diff --git a/src/screens/Me/Root/Login.tsx b/src/screens/Me/Root/Login.tsx
index f3b0b07d..1a88db33 100644
--- a/src/screens/Me/Root/Login.tsx
+++ b/src/screens/Me/Root/Login.tsx
@@ -1,5 +1,5 @@
 import React, { useCallback, useEffect, useState } from 'react'
-import { Button, StyleSheet, Text, TextInput, View } from 'react-native'
+import { StyleSheet, Text, TextInput, View } from 'react-native'
 import { useQuery } from 'react-query'
 import { debounce } from 'lodash'
 
@@ -13,6 +13,7 @@ import { useTheme } from 'src/utils/styles/ThemeManager'
 
 import { useTranslation } from 'react-i18next'
 import { StyleConstants } from 'src/utils/styles/constants'
+import Button from 'src/components/Button'
 
 const Login: React.FC = () => {
   const { t } = useTranslation('meRoot')
@@ -145,9 +146,9 @@ const Login: React.FC = () => {
         returnKeyType='go'
       />
       <Button
-        title={t('content.login.button')}
-        disabled={!data?.uri}
         onPress={async () => await createApplication()}
+        text={t('content.login.button')}
+        disabled={!data?.uri}
       />
       {isSuccess && data && data.uri && (
         <View>
diff --git a/src/screens/Shared/Account/Information.tsx b/src/screens/Shared/Account/Information.tsx
index 93aaecb0..57d25f29 100644
--- a/src/screens/Shared/Account/Information.tsx
+++ b/src/screens/Shared/Account/Information.tsx
@@ -208,13 +208,13 @@ const styles = StyleSheet.create({
   },
   account_types: { marginLeft: StyleConstants.Spacing.S },
   fields: {
-    borderTopWidth: 0.5,
+    borderTopWidth: StyleSheet.hairlineWidth,
     marginBottom: StyleConstants.Spacing.M
   },
   field: {
     flex: 1,
     flexDirection: 'row',
-    borderBottomWidth: 0.5,
+    borderBottomWidth: StyleSheet.hairlineWidth,
     paddingTop: StyleConstants.Spacing.S,
     paddingBottom: StyleConstants.Spacing.S
   },
diff --git a/src/screens/Shared/Compose.tsx b/src/screens/Shared/Compose.tsx
index bf055b0b..6743e2ab 100644
--- a/src/screens/Shared/Compose.tsx
+++ b/src/screens/Shared/Compose.tsx
@@ -5,7 +5,7 @@ import { createNativeStackNavigator } from 'react-native-screens/native-stack'
 import { useNavigation } from '@react-navigation/native'
 
 import { store } from 'src/store'
-import PostMain from './Compose/PostMain'
+import ComposeRoot from './Compose/Root'
 import client from 'src/api/client'
 import { getLocalAccountPreferences } from 'src/utils/slices/instancesSlice'
 import { HeaderLeft, HeaderRight } from 'src/components/Header'
@@ -105,7 +105,7 @@ export type PostAction =
 
 const postInitialState: PostState = {
   text: {
-    count: 0,
+    count: 500,
     raw: '',
     formatted: undefined
   },
@@ -285,13 +285,15 @@ const Compose: React.FC = () => {
                 <HeaderRight
                   onPress={async () => tootPost()}
                   text='发嘟嘟'
-                  disabled={postState.text.raw.length < 1}
+                  disabled={
+                    postState.text.raw.length < 1 || postState.text.count < 0
+                  }
                 />
               )
             }}
           >
             {() => (
-              <PostMain postState={postState} postDispatch={postDispatch} />
+              <ComposeRoot postState={postState} postDispatch={postDispatch} />
             )}
           </Stack.Screen>
         </Stack.Navigator>
diff --git a/src/screens/Shared/Compose/Actions.tsx b/src/screens/Shared/Compose/Actions.tsx
new file mode 100644
index 00000000..eb4cd0b9
--- /dev/null
+++ b/src/screens/Shared/Compose/Actions.tsx
@@ -0,0 +1,147 @@
+import { Feather } from '@expo/vector-icons'
+import React, { Dispatch } from 'react'
+import {
+  ActionSheetIOS,
+  Keyboard,
+  Pressable,
+  StyleSheet,
+  Text,
+  TextInput
+} from 'react-native'
+import { StyleConstants } from 'src/utils/styles/constants'
+import { useTheme } from 'src/utils/styles/ThemeManager'
+import { PostAction, PostState } from '../Compose'
+import addAttachments from './addAttachments'
+
+export interface Props {
+  textInputRef: React.RefObject<TextInput>
+  postState: PostState
+  postDispatch: Dispatch<PostAction>
+}
+
+const ComposeActions: React.FC<Props> = ({
+  textInputRef,
+  postState,
+  postDispatch
+}) => {
+  const { theme } = useTheme()
+
+  const getVisibilityIcon = () => {
+    switch (postState.visibility) {
+      case 'public':
+        return 'globe'
+      case 'unlisted':
+        return 'unlock'
+      case 'private':
+        return 'lock'
+      case 'direct':
+        return 'mail'
+    }
+  }
+
+  return (
+    <Pressable
+      style={[
+        styles.additions,
+        { backgroundColor: theme.background, borderTopColor: theme.border }
+      ]}
+      onPress={() => Keyboard.dismiss()}
+    >
+      <Feather
+        name='aperture'
+        size={24}
+        color={postState.poll.active ? theme.secondary : theme.primary}
+        onPress={async () =>
+          !postState.poll.active &&
+          (await addAttachments({ postState, postDispatch }))
+        }
+      />
+      <Feather
+        name='bar-chart-2'
+        size={24}
+        color={
+          postState.attachments.length > 0 ? theme.secondary : theme.primary
+        }
+        onPress={() => {
+          if (postState.attachments.length === 0) {
+            postDispatch({
+              type: 'poll',
+              payload: { ...postState.poll, active: !postState.poll.active }
+            })
+          }
+          if (postState.poll.active) {
+            textInputRef.current?.focus()
+          }
+        }}
+      />
+      <Feather
+        name={getVisibilityIcon()}
+        size={24}
+        color={theme.primary}
+        onPress={() =>
+          ActionSheetIOS.showActionSheetWithOptions(
+            {
+              options: ['公开', '不公开', '仅关注着', '私信', '取消'],
+              cancelButtonIndex: 4
+            },
+            buttonIndex => {
+              switch (buttonIndex) {
+                case 0:
+                  postDispatch({ type: 'visibility', payload: 'public' })
+                  break
+                case 1:
+                  postDispatch({ type: 'visibility', payload: 'unlisted' })
+                  break
+                case 2:
+                  postDispatch({ type: 'visibility', payload: 'private' })
+                  break
+                case 3:
+                  postDispatch({ type: 'visibility', payload: 'direct' })
+                  break
+              }
+            }
+          )
+        }
+      />
+      <Feather
+        name='smile'
+        size={24}
+        color={postState.emojis?.length ? theme.primary : theme.secondary}
+        onPress={() => {
+          if (postState.emojis?.length && postState.overlay === null) {
+            Keyboard.dismiss()
+            postDispatch({ type: 'overlay', payload: 'emojis' })
+          }
+          if (postState.overlay === 'emojis') {
+            postDispatch({ type: 'overlay', payload: null })
+          }
+        }}
+      />
+      <Text
+        style={[
+          styles.count,
+          { color: postState.text.count < 0 ? theme.error : theme.primary }
+        ]}
+      >
+        {postState.text.count}
+      </Text>
+    </Pressable>
+  )
+}
+
+const styles = StyleSheet.create({
+  additions: {
+    height: 45,
+    borderTopWidth: StyleSheet.hairlineWidth,
+    flexDirection: 'row',
+    justifyContent: 'space-around',
+    alignItems: 'center'
+  },
+  count: {
+    textAlign: 'center',
+    fontSize: StyleConstants.Font.Size.M,
+    fontWeight: StyleConstants.Font.Weight.Bold
+  }
+})
+
+export default ComposeActions
diff --git a/src/screens/Shared/Compose/PostAttachments.tsx b/src/screens/Shared/Compose/Attachments.tsx
similarity index 92%
rename from src/screens/Shared/Compose/PostAttachments.tsx
rename to src/screens/Shared/Compose/Attachments.tsx
index 2a0812f1..f520e072 100644
--- a/src/screens/Shared/Compose/PostAttachments.tsx
+++ b/src/screens/Shared/Compose/Attachments.tsx
@@ -9,7 +9,7 @@ export interface Props {
   postDispatch: Dispatch<PostAction>
 }
 
-const PostAttachments: React.FC<Props> = ({ postState, postDispatch }) => {
+const ComposeAttachments: React.FC<Props> = ({ postState, postDispatch }) => {
   return (
     <View style={styles.base}>
       {postState.attachments.map((attachment, index) => (
@@ -63,4 +63,4 @@ const styles = StyleSheet.create({
   }
 })
 
-export default PostAttachments
+export default ComposeAttachments
diff --git a/src/screens/Shared/Compose/Emojis.tsx b/src/screens/Shared/Compose/Emojis.tsx
new file mode 100644
index 00000000..eb18b1b4
--- /dev/null
+++ b/src/screens/Shared/Compose/Emojis.tsx
@@ -0,0 +1,108 @@
+import { forEach, groupBy, sortBy } from 'lodash'
+import React, { Dispatch } from 'react'
+import {
+  Image,
+  Pressable,
+  SectionList,
+  StyleSheet,
+  Text,
+  TextInput,
+  View
+} from 'react-native'
+import { StyleConstants } from 'src/utils/styles/constants'
+import { useTheme } from 'src/utils/styles/ThemeManager'
+
+import { PostAction, PostState } from '../Compose'
+import updateText from './updateText'
+
+export interface Props {
+  textInputRef: React.RefObject<TextInput>
+  onChangeText: any
+  postState: PostState
+  postDispatch: Dispatch<PostAction>
+}
+
+const ComposeEmojis: React.FC<Props> = ({
+  textInputRef,
+  onChangeText,
+  postState,
+  postDispatch
+}) => {
+  const { theme } = useTheme()
+
+  let sortedEmojis: { title: string; data: Mastodon.Emoji[] }[] = []
+  forEach(
+    groupBy(sortBy(postState.emojis, ['category', 'shortcode']), 'category'),
+    (value, key) => sortedEmojis.push({ title: key, data: value })
+  )
+
+  return (
+    <View style={styles.base}>
+      <SectionList
+        horizontal
+        sections={sortedEmojis}
+        keyExtractor={item => item.shortcode}
+        renderSectionHeader={({ section: { title } }) => (
+          <Text style={[styles.group, { color: theme.secondary }]}>
+            {title}
+          </Text>
+        )}
+        renderItem={({ section, index }) => {
+          if (index === 0) {
+            return (
+              <View key={section.title} style={styles.emojis}>
+                {section.data.map(emoji => (
+                  <Pressable
+                    key={emoji.shortcode}
+                    onPress={() => {
+                      updateText({
+                        onChangeText,
+                        postState,
+                        newText: `:${emoji.shortcode}:`
+                      })
+                      textInputRef.current?.focus()
+                      postDispatch({ type: 'overlay', payload: null })
+                    }}
+                  >
+                    <Image source={{ uri: emoji.url }} style={styles.emoji} />
+                  </Pressable>
+                ))}
+              </View>
+            )
+          } else {
+            return null
+          }
+        }}
+      />
+    </View>
+  )
+}
+
+const styles = StyleSheet.create({
+  base: {
+    flex: 1,
+    flexDirection: 'row',
+    flexWrap: 'wrap',
+    justifyContent: 'space-around',
+    height: 260
+  },
+  group: {
+    position: 'absolute',
+    left: StyleConstants.Spacing.L,
+    fontSize: StyleConstants.Font.Size.S
+  },
+  emojis: {
+    flex: 1,
+    flexWrap: 'wrap',
+    marginTop: StyleConstants.Spacing.M,
+    marginLeft: StyleConstants.Spacing.M
+  },
+  emoji: {
+    width: 32,
+    height: 32,
+    padding: StyleConstants.Spacing.S,
+    margin: StyleConstants.Spacing.S
+  }
+})
+
+export default ComposeEmojis
diff --git a/src/screens/Shared/Compose/Poll.tsx b/src/screens/Shared/Compose/Poll.tsx
new file mode 100644
index 00000000..83c8be21
--- /dev/null
+++ b/src/screens/Shared/Compose/Poll.tsx
@@ -0,0 +1,186 @@
+import React, { Dispatch, useEffect, useState } from 'react'
+import {
+  ActionSheetIOS,
+  Pressable,
+  StyleSheet,
+  Text,
+  TextInput,
+  View
+} from 'react-native'
+import { Feather } from '@expo/vector-icons'
+
+import { PostAction, PostState } from '../Compose'
+import { useTheme } from 'src/utils/styles/ThemeManager'
+import { StyleConstants } from 'src/utils/styles/constants'
+import Button from 'src/components/Button'
+import { MenuContainer, MenuRow } from 'src/components/Menu'
+
+export interface Props {
+  postState: PostState
+  postDispatch: Dispatch<PostAction>
+}
+
+const ComposePoll: React.FC<Props> = ({ postState, postDispatch }) => {
+  const { theme } = useTheme()
+
+  const expireMapping: { [key: string]: string } = {
+    '300': '5分钟',
+    '1800': '30分钟',
+    '3600': '1小时',
+    '21600': '6小时',
+    '86400': '1天',
+    '259200': '3天',
+    '604800': '7天'
+  }
+
+  const [firstRender, setFirstRender] = useState(true)
+  useEffect(() => {
+    setFirstRender(false)
+  }, [])
+
+  return (
+    <View style={[styles.base, { borderColor: theme.border }]}>
+      <View style={styles.options}>
+        {[...Array(postState.poll.total)].map((e, i) => (
+          <View key={i} style={styles.option}>
+            <Feather
+              name={postState.poll.multiple ? 'square' : 'circle'}
+              size={StyleConstants.Font.Size.L}
+              color={theme.secondary}
+            />
+            <TextInput
+              {...(i === 0 && firstRender && { autoFocus: true })}
+              style={[
+                styles.textInput,
+                { borderColor: theme.border, color: theme.primary }
+              ]}
+              placeholder={`选项 ${i}`}
+              placeholderTextColor={theme.secondary}
+              maxLength={50}
+              value={postState.poll.options[i]}
+              onChangeText={e =>
+                postDispatch({
+                  type: 'poll',
+                  payload: {
+                    ...postState.poll,
+                    options: { ...postState.poll.options, [i]: e }
+                  }
+                })
+              }
+            />
+          </View>
+        ))}
+      </View>
+      <View style={styles.controlAmount}>
+        <View style={styles.firstButton}>
+          <Button
+            onPress={() =>
+              postState.poll.total > 2 &&
+              postDispatch({
+                type: 'poll',
+                payload: { ...postState.poll, total: postState.poll.total - 1 }
+              })
+            }
+            icon='minus'
+            disabled={!(postState.poll.total > 2)}
+            buttonSize='S'
+          />
+        </View>
+        <Button
+          onPress={() =>
+            postState.poll.total < 4 &&
+            postDispatch({
+              type: 'poll',
+              payload: { ...postState.poll, total: postState.poll.total + 1 }
+            })
+          }
+          icon='plus'
+          disabled={!(postState.poll.total < 4)}
+          buttonSize='S'
+        />
+      </View>
+      <MenuContainer>
+        <MenuRow
+          title='可选项'
+          content={postState.poll.multiple ? '多选' : '单选'}
+          onPress={() =>
+            ActionSheetIOS.showActionSheetWithOptions(
+              {
+                options: ['单选', '多选', '取消'],
+                cancelButtonIndex: 2
+              },
+              index =>
+                index < 2 &&
+                postDispatch({
+                  type: 'poll',
+                  payload: { ...postState.poll, multiple: index === 1 }
+                })
+            )
+          }
+          iconBack='chevron-right'
+        />
+        <MenuRow
+          title='有效期'
+          content={expireMapping[postState.poll.expire]}
+          onPress={() =>
+            ActionSheetIOS.showActionSheetWithOptions(
+              {
+                options: [...Object.values(expireMapping), '取消'],
+                cancelButtonIndex: 7
+              },
+              index =>
+                index < 7 &&
+                postDispatch({
+                  type: 'poll',
+                  payload: {
+                    ...postState.poll,
+                    expire: Object.keys(expireMapping)[index]
+                  }
+                })
+            )
+          }
+          iconBack='chevron-right'
+        />
+      </MenuContainer>
+    </View>
+  )
+}
+
+const styles = StyleSheet.create({
+  base: {
+    flex: 1,
+    borderWidth: StyleSheet.hairlineWidth,
+    borderRadius: 6
+  },
+  options: {
+    marginTop: StyleConstants.Spacing.M,
+    marginBottom: StyleConstants.Spacing.S
+  },
+  option: {
+    marginLeft: StyleConstants.Spacing.M,
+    marginRight: StyleConstants.Spacing.M,
+    marginBottom: StyleConstants.Spacing.S,
+    flexDirection: 'row',
+    alignItems: 'center'
+  },
+  textInput: {
+    flex: 1,
+    padding: StyleConstants.Spacing.S,
+    borderWidth: StyleSheet.hairlineWidth,
+    borderRadius: 6,
+    fontSize: StyleConstants.Font.Size.M,
+    marginLeft: StyleConstants.Spacing.S
+  },
+  controlAmount: {
+    flex: 1,
+    flexDirection: 'row',
+    justifyContent: 'flex-end',
+    marginRight: StyleConstants.Spacing.M,
+    marginBottom: StyleConstants.Spacing.M
+  },
+  firstButton: {
+    marginRight: StyleConstants.Spacing.S
+  }
+})
+
+export default ComposePoll
diff --git a/src/screens/Shared/Compose/PostEmojis.tsx b/src/screens/Shared/Compose/PostEmojis.tsx
deleted file mode 100644
index 0e25f990..00000000
--- a/src/screens/Shared/Compose/PostEmojis.tsx
+++ /dev/null
@@ -1,44 +0,0 @@
-import React, { Dispatch } from 'react'
-import { Image, Pressable } from 'react-native'
-
-import { PostAction, PostState } from '../Compose'
-import updateText from './updateText'
-
-export interface Props {
-  onChangeText: any
-  postState: PostState
-  postDispatch: Dispatch<PostAction>
-}
-
-const PostEmojis: React.FC<Props> = ({
-  onChangeText,
-  postState,
-  postDispatch
-}) => {
-  return (
-    <>
-      {postState.emojis?.map((emoji, index) => (
-        <Pressable
-          key={index}
-          onPress={() => {
-            updateText({
-              onChangeText,
-              postState,
-              newText: `:${emoji.shortcode}:`
-            })
-
-            postDispatch({ type: 'overlay', payload: null })
-          }}
-        >
-          <Image
-            key={index}
-            source={{ uri: emoji.url }}
-            style={{ width: 24, height: 24 }}
-          />
-        </Pressable>
-      ))}
-    </>
-  )
-}
-
-export default PostEmojis
diff --git a/src/screens/Shared/Compose/PostPoll.tsx b/src/screens/Shared/Compose/PostPoll.tsx
deleted file mode 100644
index 880bf1f3..00000000
--- a/src/screens/Shared/Compose/PostPoll.tsx
+++ /dev/null
@@ -1,144 +0,0 @@
-import React, { Dispatch, useState } from 'react'
-import {
-  ActionSheetIOS,
-  Pressable,
-  StyleSheet,
-  Text,
-  TextInput,
-  View
-} from 'react-native'
-import { Feather } from '@expo/vector-icons'
-
-import { PostAction, PostState } from '../Compose'
-
-export interface Props {
-  postState: PostState
-  postDispatch: Dispatch<PostAction>
-}
-
-const PostPoll: React.FC<Props> = ({ postState, postDispatch }) => {
-  const expireMapping: { [key: string]: string } = {
-    '300': '5分钟',
-    '1800': '30分钟',
-    '3600': '1小时',
-    '21600': '6小时',
-    '86400': '1天',
-    '259200': '3天',
-    '604800': '7天'
-  }
-
-  return (
-    <View style={styles.base}>
-      {[...Array(postState.poll.total)].map((e, i) => (
-        <View key={i} style={styles.option}>
-          {postState.poll.multiple ? (
-            <Feather name='square' size={20} />
-          ) : (
-            <Feather name='circle' size={20} />
-          )}
-          <TextInput
-            style={styles.textInput}
-            maxLength={50}
-            value={postState.poll.options[i]}
-            onChangeText={e =>
-              postDispatch({
-                type: 'poll',
-                payload: {
-                  ...postState.poll,
-                  options: { ...postState.poll.options, [i]: e }
-                }
-              })
-            }
-          />
-        </View>
-      ))}
-      <View style={styles.totalControl}>
-        <Feather
-          name='minus'
-          size={20}
-          color={postState.poll.total > 2 ? 'black' : 'grey'}
-          onPress={() =>
-            postState.poll.total > 2 &&
-            postDispatch({
-              type: 'poll',
-              payload: { ...postState.poll, total: postState.poll.total - 1 }
-            })
-          }
-        />
-        <Feather
-          name='plus'
-          size={20}
-          color={postState.poll.total < 4 ? 'black' : 'grey'}
-          onPress={() =>
-            postState.poll.total < 4 &&
-            postDispatch({
-              type: 'poll',
-              payload: { ...postState.poll, total: postState.poll.total + 1 }
-            })
-          }
-        />
-      </View>
-      <Pressable
-        onPress={() =>
-          ActionSheetIOS.showActionSheetWithOptions(
-            {
-              options: ['单选', '多选', '取消'],
-              cancelButtonIndex: 2
-            },
-            index =>
-              index < 2 &&
-              postDispatch({
-                type: 'poll',
-                payload: { ...postState.poll, multiple: index === 1 }
-              })
-          )
-        }
-      >
-        <Text>{postState.poll.multiple ? '多选' : '单选'}</Text>
-      </Pressable>
-      <Pressable
-        onPress={() =>
-          ActionSheetIOS.showActionSheetWithOptions(
-            {
-              options: [...Object.values(expireMapping), '取消'],
-              cancelButtonIndex: 7
-            },
-            index =>
-              index < 7 &&
-              postDispatch({
-                type: 'poll',
-                payload: {
-                  ...postState.poll,
-                  expire: Object.keys(expireMapping)[index]
-                }
-              })
-          )
-        }
-      >
-        <Text>{expireMapping[postState.poll.expire]}</Text>
-      </Pressable>
-    </View>
-  )
-}
-
-const styles = StyleSheet.create({
-  base: {
-    flex: 1,
-    backgroundColor: 'green'
-  },
-  option: {
-    height: 30,
-    margin: 5,
-    flexDirection: 'row'
-  },
-  textInput: {
-    flex: 1,
-    backgroundColor: 'white'
-  },
-  totalControl: {
-    alignSelf: 'flex-end',
-    flexDirection: 'row'
-  }
-})
-
-export default PostPoll
diff --git a/src/screens/Shared/Compose/PostMain.tsx b/src/screens/Shared/Compose/Root.tsx
similarity index 61%
rename from src/screens/Shared/Compose/PostMain.tsx
rename to src/screens/Shared/Compose/Root.tsx
index f302f93a..7e598656 100644
--- a/src/screens/Shared/Compose/PostMain.tsx
+++ b/src/screens/Shared/Compose/Root.tsx
@@ -3,6 +3,7 @@ import React, {
   Dispatch,
   useCallback,
   useEffect,
+  useRef,
   useState
 } from 'react'
 import {
@@ -21,20 +22,24 @@ import * as ImagePicker from 'expo-image-picker'
 import { debounce, differenceWith, isEqual } from 'lodash'
 
 import Autolinker from 'src/modules/autolinker'
-import PostEmojis from './PostEmojis'
-import PostPoll from './PostPoll'
-import PostSuggestions from './PostSuggestions'
+import ComposeEmojis from './Emojis'
+import ComposePoll from './Poll'
+import ComposeSuggestions from './Suggestions'
 import { emojisFetch } from 'src/utils/fetches/emojisFetch'
 import { PostAction, PostState } from 'src/screens/Shared/Compose'
 import addAttachments from './addAttachments'
-import PostAttachments from './PostAttachments'
+import ComposeAttachments from './Attachments'
+import { useTheme } from 'src/utils/styles/ThemeManager'
+import { StyleConstants } from 'src/utils/styles/constants'
+import ComposeActions from './Actions'
 
 export interface Props {
   postState: PostState
   postDispatch: Dispatch<PostAction>
 }
 
-const PostMain: React.FC<Props> = ({ postState, postDispatch }) => {
+const ComposeRoot: React.FC<Props> = ({ postState, postDispatch }) => {
+  const { theme } = useTheme()
   useEffect(() => {
     ;(async () => {
       const { status } = await ImagePicker.requestCameraRollPermissionsAsync()
@@ -44,8 +49,6 @@ const PostMain: React.FC<Props> = ({ postState, postDispatch }) => {
     })()
   }, [])
 
-  const [editorMinHeight, setEditorMinHeight] = useState(0)
-
   const { data: emojisData } = useQuery(['Emojis'], emojisFetch)
   useEffect(() => {
     if (emojisData && emojisData.length) {
@@ -153,33 +156,49 @@ const PostMain: React.FC<Props> = ({ postState, postDispatch }) => {
     })
   }, [])
 
-  const getVisibilityIcon = () => {
-    switch (postState.visibility) {
-      case 'public':
-        return 'globe'
-      case 'unlisted':
-        return 'unlock'
-      case 'private':
-        return 'lock'
-      case 'direct':
-        return 'mail'
+  const textInputRef = useRef<TextInput>(null)
+
+  const renderOverlay = (overlay: PostState['overlay']) => {
+    switch (overlay) {
+      case 'emojis':
+        return (
+          <View style={styles.emojis}>
+            <ComposeEmojis
+              textInputRef={textInputRef}
+              onChangeText={onChangeText}
+              postState={postState}
+              postDispatch={postDispatch}
+            />
+          </View>
+        )
+      case 'suggestions':
+        return (
+          <View style={styles.suggestions}>
+            <ComposeSuggestions
+              onChangeText={onChangeText}
+              postState={postState}
+              postDispatch={postDispatch}
+            />
+          </View>
+        )
     }
   }
 
   return (
     <View style={styles.base}>
       <ScrollView
-        style={styles.contentView}
+        style={[styles.contentView]}
         alwaysBounceVertical={false}
         keyboardDismissMode='interactive'
+        // child touch event not picked up
+        keyboardShouldPersistTaps='always'
       >
         <TextInput
           style={[
-            styles.textInput
-            // {
-            //   flex: postState.overlay ? 0 : 1,
-            //   minHeight: editorMinHeight + 14
-            // }
+            styles.textInput,
+            {
+              color: theme.primary
+            }
           ]}
           autoCapitalize='none'
           autoCorrect={false}
@@ -187,10 +206,8 @@ const PostMain: React.FC<Props> = ({ postState, postDispatch }) => {
           enablesReturnKeyAutomatically
           multiline
           placeholder='想说点什么'
+          placeholderTextColor={theme.secondary}
           onChangeText={content => onChangeText({ content })}
-          onContentSizeChange={({ nativeEvent }) => {
-            setEditorMinHeight(nativeEvent.contentSize.height)
-          }}
           onSelectionChange={({
             nativeEvent: {
               selection: { start, end }
@@ -198,13 +215,17 @@ const PostMain: React.FC<Props> = ({ postState, postDispatch }) => {
           }) => {
             postDispatch({ type: 'selection', payload: { start, end } })
           }}
+          ref={textInputRef}
           scrollEnabled
         >
           <Text>{postState.text.formatted}</Text>
         </TextInput>
+
+        {renderOverlay(postState.overlay)}
+
         {postState.attachments.length > 0 && (
           <View style={styles.attachments}>
-            <PostAttachments
+            <ComposeAttachments
               postState={postState}
               postDispatch={postDispatch}
             />
@@ -212,94 +233,15 @@ const PostMain: React.FC<Props> = ({ postState, postDispatch }) => {
         )}
         {postState.poll.active && (
           <View style={styles.poll}>
-            <PostPoll postState={postState} postDispatch={postDispatch} />
+            <ComposePoll postState={postState} postDispatch={postDispatch} />
           </View>
         )}
-        {postState.overlay === 'suggestions' ? (
-          <View style={styles.suggestions}>
-            <PostSuggestions
-              onChangeText={onChangeText}
-              postState={postState}
-              postDispatch={postDispatch}
-            />
-          </View>
-        ) : (
-          <></>
-        )}
-        {postState.overlay === 'emojis' ? (
-          <View style={styles.emojis}>
-            <PostEmojis
-              onChangeText={onChangeText}
-              postState={postState}
-              postDispatch={postDispatch}
-            />
-          </View>
-        ) : (
-          <></>
-        )}
       </ScrollView>
-      <Pressable style={styles.additions} onPress={() => Keyboard.dismiss()}>
-        <Feather
-          name='paperclip'
-          size={24}
-          color={postState.poll.active ? 'gray' : 'black'}
-          onPress={async () =>
-            !postState.poll.active &&
-            (await addAttachments({ postState, postDispatch }))
-          }
-        />
-        <Feather
-          name='bar-chart-2'
-          size={24}
-          color={postState.attachments.length > 0 ? 'gray' : 'black'}
-          onPress={() =>
-            postState.attachments.length === 0 &&
-            postDispatch({
-              type: 'poll',
-              payload: { ...postState.poll, active: !postState.poll.active }
-            })
-          }
-        />
-        <Feather
-          name={getVisibilityIcon()}
-          size={24}
-          onPress={() =>
-            ActionSheetIOS.showActionSheetWithOptions(
-              {
-                options: ['公开', '不公开', '仅关注着', '私信', '取消'],
-                cancelButtonIndex: 4
-              },
-              buttonIndex => {
-                switch (buttonIndex) {
-                  case 0:
-                    postDispatch({ type: 'visibility', payload: 'public' })
-                    break
-                  case 1:
-                    postDispatch({ type: 'visibility', payload: 'unlisted' })
-                    break
-                  case 2:
-                    postDispatch({ type: 'visibility', payload: 'private' })
-                    break
-                  case 3:
-                    postDispatch({ type: 'visibility', payload: 'direct' })
-                    break
-                }
-              }
-            )
-          }
-        />
-        <Feather
-          name='smile'
-          size={24}
-          color={postState.emojis?.length ? 'black' : 'white'}
-          onPress={() => {
-            if (postState.emojis?.length && postState.overlay === null) {
-              postDispatch({ type: 'overlay', payload: 'emojis' })
-            }
-          }}
-        />
-        <Text>{postState.text.count}</Text>
-      </Pressable>
+      <ComposeActions
+        textInputRef={textInputRef}
+        postState={postState}
+        postDispatch={postDispatch}
+      />
     </View>
   )
 }
@@ -308,36 +250,29 @@ const styles = StyleSheet.create({
   base: {
     flex: 1
   },
-  contentView: {
-    flex: 1,
-    backgroundColor: 'gray'
-  },
+  contentView: { flex: 1 },
   textInput: {
-    backgroundColor: 'lightgray',
-    paddingBottom: 20
+    fontSize: StyleConstants.Font.Size.M,
+    marginTop: StyleConstants.Spacing.S,
+    marginBottom: StyleConstants.Spacing.M,
+    paddingLeft: StyleConstants.Spacing.Global.PagePadding,
+    paddingRight: StyleConstants.Spacing.Global.PagePadding
   },
   attachments: {
     flex: 1,
     height: 100
   },
   poll: {
-    height: 100
+    flex: 1,
+    padding: StyleConstants.Spacing.Global.PagePadding
   },
   suggestions: {
     flex: 1,
     backgroundColor: 'lightyellow'
   },
   emojis: {
-    flex: 1,
-    backgroundColor: 'lightblue'
-  },
-  additions: {
-    height: 44,
-    backgroundColor: 'red',
-    flexDirection: 'row',
-    justifyContent: 'space-around',
-    alignItems: 'center'
+    flex: 1
   }
 })
 
-export default PostMain
+export default ComposeRoot
diff --git a/src/screens/Shared/Compose/PostSuggestions.tsx b/src/screens/Shared/Compose/Suggestions.tsx
similarity index 96%
rename from src/screens/Shared/Compose/PostSuggestions.tsx
rename to src/screens/Shared/Compose/Suggestions.tsx
index b4e1da3b..e6dd4f71 100644
--- a/src/screens/Shared/Compose/PostSuggestions.tsx
+++ b/src/screens/Shared/Compose/Suggestions.tsx
@@ -46,7 +46,7 @@ export interface Props {
   postDispatch: Dispatch<PostAction>
 }
 
-const PostSuggestions: React.FC<Props> = ({
+const ComposeSuggestions: React.FC<Props> = ({
   onChangeText,
   postState,
   postDispatch
@@ -94,4 +94,4 @@ const PostSuggestions: React.FC<Props> = ({
   return content
 }
 
-export default PostSuggestions
+export default ComposeSuggestions
diff --git a/src/screens/Shared/Compose/updateText.ts b/src/screens/Shared/Compose/updateText.ts
index 86cce07a..1ac20e36 100644
--- a/src/screens/Shared/Compose/updateText.ts
+++ b/src/screens/Shared/Compose/updateText.ts
@@ -9,16 +9,27 @@ const updateText = ({
   postState: PostState
   newText: string
 }) => {
-  onChangeText({
-    content: postState.text.raw
-      ? [
-          postState.text.raw.slice(0, postState.selection.start),
-          newText,
-          postState.text.raw.slice(postState.selection.end)
-        ].join('')
-      : newText,
-    disableDebounce: true
-  })
+  if (postState.text.raw.length) {
+    const contentFront = postState.text.raw.slice(0, postState.selection.start)
+    const contentRear = postState.text.raw.slice(postState.selection.end)
+
+    const whiteSpaceFront = /\s/g.test(contentFront.slice(-1))
+    const whiteSpaceRear = /\s/g.test(contentRear.slice(-1))
+
+    const newTextWithSpace = `${whiteSpaceFront ? '' : ' '}${newText}${
+      whiteSpaceRear ? '' : ' '
+    }`
+
+    onChangeText({
+      content: [contentFront, newTextWithSpace, contentRear].join(''),
+      disableDebounce: true
+    })
+  } else {
+    onChangeText({
+      content: `${newText} `,
+      disableDebounce: true
+    })
+  }
 }
 
 export default updateText