diff --git a/src/LoginPage.js b/src/LoginPage.js
index 7bbc749..36033c9 100644
--- a/src/LoginPage.js
+++ b/src/LoginPage.js
@@ -3,7 +3,11 @@ import { useNavigate } from "react-router-dom";
 import yzs from "./business/request.js";
 import styles from './LoginPage.module.css';
 import { useSelector, useDispatch } from 'react-redux'
-import { setFlushToken, setAccessToken, setUserInfo, setAgreeAgreement } from "./business/userSlice.js"
+import {
+    setAccount, setPassword, setVerificationCode,
+    setFlushToken, setAccessToken, setUserInfo, setAgreeAgreement,
+    setSelectInfo,
+} from "./business/userSlice.js"
 import logo from './assets/logo.png';
 import { Container, Tab, Box, Snackbar, Alert, Button } from '@mui/material';
 import TabPanel from '@mui/lab/TabPanel';
@@ -34,6 +38,7 @@ export default function () {
     const navigate = useNavigate();
     const dispatch = useDispatch();
     const [cookies, setCookie] = useCookies(['accessToken']);
+    const [firstEnter, setFirstEnter] = useState(true);
     const [value, setValue] = useState("1");
     const [message, setMessage] = useState("");
     const [openTooltip, setOpenTooltip] = useState(false);
@@ -59,7 +64,24 @@ export default function () {
 
     // const debug_test = () => {
     //     console.log("accessToken", accessToken, yzs.uniqueDeviceIdentifier());
+    //     console.log("userExists", yzs.userExists(yzs.uniqueDeviceIdentifier(), account));
+    //     testPromiseLoading(2000, "你好").then(v => {
+    //         console.log(v);
+    //     })
     // }
+
+    const handleInputChange = (event) => {
+        const { name, value } = event.target;
+        if (name === 'username') {
+            dispatch(setAccount(value));
+            if (firstEnter) setFirstEnter(false);
+        } else if (name === 'password') {
+            dispatch(setPassword(value));
+        } else if (name === 'verification_code') {
+            dispatch(setVerificationCode(value));
+        }
+    };
+
     const handleSubmit = (event) => {
         event.preventDefault();
         let result = null;
@@ -77,9 +99,9 @@ export default function () {
                 yzs.get_user_info(yzs.uniqueDeviceIdentifier(), token).then(info => {
                     dispatch(setUserInfo(info));
                     yzs.user_select(yzs.uniqueDeviceIdentifier(), token).then(info => {
+                        dispatch(setSelectInfo(info));
                         navigate("/");
                     })
-
                 });
             })
         }).catch(error => {
@@ -121,10 +143,17 @@ export default function () {
                         </Box>
 
                         <TabPanel value="1" >
-                            <DynamicCodeForm udid={yzs.uniqueDeviceIdentifier()} agreeAgreement={agreeAgreement} onAgreeChange={onAgreeChange} />
+                            <DynamicCodeForm udid={yzs.uniqueDeviceIdentifier()}
+                                firstEnter={firstEnter}
+                                agreeAgreement={agreeAgreement} onAgreeChange={onAgreeChange}
+                                onChange={handleInputChange}
+                            />
                         </TabPanel>
                         <TabPanel value="2" >
-                            <PasswordForm agreeAgreement={agreeAgreement} onAgreeChange={onAgreeChange} />
+                            <PasswordForm firstEnter={firstEnter}
+                                agreeAgreement={agreeAgreement} onAgreeChange={onAgreeChange}
+                                onChange={handleInputChange}
+                            />
                         </TabPanel>
                     </TabContext>
                 </Container>
diff --git a/src/MainPage.js b/src/MainPage.js
index f744a7d..0cae234 100644
--- a/src/MainPage.js
+++ b/src/MainPage.js
@@ -1,4 +1,4 @@
-import { useEffect, useState } from 'react';
+import { React, useEffect, useState } from 'react';
 import { useSelector, useDispatch } from 'react-redux'
 import AppBar from './AppBar';
 import RecordList from './components/RecordList';
@@ -7,6 +7,7 @@ import store from './business/store';
 import yzs from "./business/request.js";
 import { setList, setCurrentLyric, setCurrentBlob, setCurrentWaveData } from "./business/recorderSlice.js"
 import { CssBaseline, Box } from '@mui/material';
+import MainSkeleton from './MainSkeleton';
 import RecordLyrics from './RecordLyrics';
 import { createTheme, ThemeProvider, styled } from '@mui/material/styles';
 import expand from './assets/expand.png';
@@ -104,6 +105,19 @@ const Main = styled('main', { shouldForwardProp: (prop) => prop !== 'open' })(
     }),
 );
 
+const RecordPlayer = ({ loading, playerBarWidth, currentTime, hasLyric, currentLyric }) => {
+    if (loading) {
+        return <MainSkeleton />
+    } else {
+        return <div>
+            <PlayerBar width={playerBarWidth} currentTime={currentTime} />
+            {hasLyric ? <RecordLyrics style={lyricsBrowserStyle} currentLyric={currentLyric} currentTime={currentTime} /> :
+                <div style={lyricsBrowserStyle}
+                />}
+        </div>
+    }
+};
+
 export default function () {
     const dispatch = useDispatch()
     const accessToken = useSelector(state => state.user.accessToken);
@@ -112,15 +126,16 @@ export default function () {
     const currentLyric = useSelector(state => state.recorder.currentLyric);
     const currentIndex = useSelector(state => state.recorder.currentIndex);
     const recordList = useSelector(state => state.recorder.list);
+    const loading = useSelector(state => state.recorder.loading);
     const [playerBarWidth, setPlayerBarWidth] = useState(0);
     const [open, setOpen] = useState(true);
     const [hasLyric, setHasLyric] = useState(true);
     useEffect(() => {
         if (passportId <= 0) return;
         yzs.get_record_list(accessToken, passportId).then(list => {
-            dispatch(setList(list.result));
-            if (list.result.length > 0) {
-                fetchRecord(accessToken, list.result.at(0));
+            dispatch(setList(list));
+            if (list.length > 0) {
+                fetchRecord(accessToken, list.at(0));
             }
         }).catch(error => {
             console.log("get list failed", error);
@@ -168,10 +183,8 @@ export default function () {
             <Main open={open}
                 onTransitionEnd={onTransitionEnd}
             >
-                <PlayerBar width={playerBarWidth} currentTime={currentTime} />
-                {hasLyric ? <RecordLyrics style={lyricsBrowserStyle} currentLyric={currentLyric} currentTime={currentTime} /> :
-                    <div style={lyricsBrowserStyle}
-                    />}
+                <RecordPlayer loading={loading}
+                    playerBarWidth={playerBarWidth} currentTime={currentTime} hasLyric={hasLyric} currentLyric={currentLyric} />
             </Main>
         </ThemeProvider>
     </Box >
diff --git a/src/MainSkeleton.js b/src/MainSkeleton.js
new file mode 100644
index 0000000..4a34c4d
--- /dev/null
+++ b/src/MainSkeleton.js
@@ -0,0 +1,34 @@
+import Stack from '@mui/material/Stack';
+import Box from '@mui/material/Box';
+import Skeleton from '@mui/material/Skeleton';
+import { Container } from '@mui/material';
+
+export default function () {
+    return (
+        <Box spacing={1} sx={{
+            display: "flex",
+            flexDirection: "column",
+            // justifyContent: "space-between",
+            height: `calc(100vh - 48px)`,
+        }}>
+            <Skeleton variant="text" sx={{ fontSize: '1rem' }} />
+            <Container disableGutters maxWidth={false} sx={{
+                height: 60,
+                display: "flex",
+                alignItems: "center",
+                justifyContent: "space-between",
+                marginTop: 2,
+                marginBottom: 0.5,
+            }}>
+                <Skeleton variant="rounded" width={"30%"} height={60} />
+                <Skeleton variant="circular" width={30} height={30} />
+            </Container>
+            {/* For variant="text", adjust the height via font-size */}
+
+            {/* For other variants, adjust the size with `width` and `height` */}
+            <Skeleton variant="rounded" animation="wave" width="100%" height={70} sx={{ marginBottom: 0.5 }} />
+            <Skeleton variant="rounded" animation="wave" width="100%" height={32} sx={{ marginBottom: 2 }} />
+            <Skeleton variant="rounded" width="100%" sx={{ marginBottom: 2, flexGrow: 1 }} />
+        </Box>
+    );
+}
\ No newline at end of file
diff --git a/src/PlayerBar.js b/src/PlayerBar.js
index 934511e..fd96309 100644
--- a/src/PlayerBar.js
+++ b/src/PlayerBar.js
@@ -20,6 +20,7 @@ const durationFormat = (time) => {
 export default function ({ width, currentTime }) {
     const dispatch = useDispatch();
     const [duration, setDuration] = useState(0);    // 秒，有小数点
+    const [playbackRate, setPlaybackRate] = useState(1.0);
     const currentIndex = useSelector(state => state.recorder.currentIndex);
     const recordList = useSelector(state => state.recorder.list);
     const currentBlob = useSelector(state => state.recorder.currentBlob);
@@ -28,6 +29,7 @@ export default function ({ width, currentTime }) {
     const player = useRef(null);
     useEffect(() => {
         player.current.url = currentBlob
+        setPlaybackRate(1.0);   // 恢复默认
         console.log(player.current.url);
     }, [currentBlob]);
 
@@ -66,6 +68,7 @@ export default function ({ width, currentTime }) {
     }
 
     const onChange = (event) => {
+        setPlaybackRate(event.target.value);
         player.current.playbackRate = event.target.value;
     };
 
@@ -107,7 +110,7 @@ export default function ({ width, currentTime }) {
                 waveData={currentWaveData}
             />
             <Select
-                defaultValue={1.0}
+                value={playbackRate}
                 onChange={onChange}
                 sx={{ width: 90, height: 70 }}
             >
diff --git a/src/RecordLyrics.js b/src/RecordLyrics.js
index e143a1e..e591507 100644
--- a/src/RecordLyrics.js
+++ b/src/RecordLyrics.js
@@ -1,4 +1,4 @@
-import React from "react";
+import React, { useMemo } from "react";
 import { Typography, Paper } from "@mui/material";
 import { useSelector, useDispatch } from 'react-redux'
 
@@ -7,17 +7,56 @@ function isHighlight(currentTime, { start, end }) {
     return (currentTime > start) && (currentTime <= end);
 }
 
+// type: 0 --> 声文速记   纯文本，已适配
+// type: 1 --> 导入音频   
+// type: 2 --> 同传翻译   纯文本，已适配
+// type: 3 --> 双语对话
+
+const PlainText = ({ lyrics }) => {
+    return <div style={{ whiteSpace: "pre-wrap" }}>{lyrics}</div>
+}
+
+const ImportAudio = ({ lyrics, currentTime }) => {  // 导入音频
+    const onClick = (index) => {
+        console.log("onClick", index);
+    }
+    return <div>{lyrics.map((lyric, index) => {
+        return <div style={{ paddingBottom: 10, display: "inline-block" }} onDoubleClick={() => onClick(index)}>
+            <Typography align="left" color={isHighlight(currentTime, lyric) ? "red" : "black"}>{lyric.text}</Typography>
+        </div>
+    })}
+    </div>
+};
+
+const BilingualDialogue = ({ lyrics }) => {  // 双语对话
+    return <div> {lyrics.map((lyric, index) => {
+        return <div index={index} style={{ paddingBottom: 40 }}>
+            <Typography align="left" >{lyric.asr}</Typography>
+            <Typography align="left" >{lyric.translate}</Typography>
+        </div>
+    })}</div>
+}
+
+const LyricsContent = ({ type, lyrics, currentTime }) => {
+    if (type === 0 || type === 2) {
+        return <PlainText lyrics={lyrics} />
+    } else if (type === 1) {
+        return <ImportAudio lyrics={lyrics} currentTime={currentTime} />
+    } else if (type === 3) {
+        return <BilingualDialogue lyrics={lyrics} />
+    } else {
+        return <React.Fragment />
+    }
+}
+
 export default function ({ style, currentLyric, currentTime }) {
     const currentIndex = useSelector(state => state.recorder.currentIndex);
     const recordList = useSelector(state => state.recorder.list);
-
-    if (recordList.length === 0) return <React.Fragment />;
-
+    const currentType = useMemo(() => {
+        if (recordList.length <= 0) return -1;
+        return recordList.at(currentIndex).type;
+    }, [currentLyric]);
     return <Paper style={style}>
-        {recordList.at(currentIndex).type === 1 ? (typeof currentLyric === "object" ? currentLyric.map((lyric, index) => {
-            return <div style={{ paddingBottom: 40 }}>
-                <Typography align="left" color={isHighlight(currentTime, lyric) ? "red" : "black"}>{lyric.text}</Typography>
-            </div>
-        }) : <React.Fragment />) : <div style={{ whiteSpace: "pre-wrap" }}>{typeof currentLyric === "string" ? currentLyric : ""}</div>}
+        <LyricsContent type={currentType} lyrics={currentLyric} currentTime={currentTime} />
     </Paper>
 }
\ No newline at end of file
diff --git a/src/business/recorderSlice.js b/src/business/recorderSlice.js
index 8b2dd10..436e0aa 100644
--- a/src/business/recorderSlice.js
+++ b/src/business/recorderSlice.js
@@ -15,6 +15,7 @@ export const recorderSlice = createSlice({
         currentWaveData: [],
         currentTime: 0, // 当前音频播放时间
         pause: true,
+        loading: false,
     },
     reducers: {
         setList: (state, action) => {
@@ -41,11 +42,35 @@ export const recorderSlice = createSlice({
         },
         setPauseState: (state, action) => {
             state.pause = action.payload;
-        }
+        },
+        setLoading: (state, action) => {
+            state.loading = true;
+        },
+        setLoadFinished: (state, action) => {
+            state.loading = false;
+        },
     }
 })
 
 // Action creators are generated for each case reducer function
-export const { setCurrentIndex, setList, setCurrentLyric, setCurrentBlob, togglePauseState, setPauseState, setCurrentTime, setCurrentWaveData } = recorderSlice.actions
+export const {
+    setCurrentIndex, setList, setCurrentLyric, setCurrentBlob, togglePauseState, setPauseState, setCurrentTime,
+    setCurrentWaveData,
+    setLoading,
+    setLoadFinished,
+} = recorderSlice.actions
 
-export default recorderSlice.reducer
\ No newline at end of file
+export default recorderSlice.reducer
+
+const fecthRecord = (index) => {
+    console.log("begin fetch record item", index);
+    return (dispatch) => {
+        dispatch(setLoading());
+        // testPromiseLoading(2000, true).then(e => {
+        //     console.log("end fetch record item", index);
+        //     dispatch(setLoadFinished());
+        // });
+    };
+}
+
+export { fecthRecord };
\ No newline at end of file
diff --git a/src/business/request.js b/src/business/request.js
index 7c22f37..27a3fdc 100644
--- a/src/business/request.js
+++ b/src/business/request.js
@@ -139,8 +139,11 @@ const yzs = {
             if (json.errorCode !== "0") {
                 throw json;
             }
-            console.log(json)
-            return json;
+            let list = json.result;
+            list.sort((lfs, rhs) => {   // 要求倒序排序
+                return rhs.modifyTime - lfs.modifyTime;
+            })
+            return list;
         });
     },
     download: function (accessToken, url) {
@@ -234,6 +237,31 @@ const yzs = {
             console.log(error);
         });
     },
+    userExists: function (udid, account) {
+        let body = {};
+        body.subsystemId = 16;
+        body.clientId = udid;
+        body.timestamp = Math.round(new Date().getTime() / 1000);
+        body.account = account;
+        return fetch("/rest/v2/user/is_user_exist", {
+            method: "POST",
+            body: constructParameter(body),
+            headers: {
+                'Content-Type': 'application/x-www-form-urlencoded; charset=utf-8',
+            },
+        }).then(response => response.json()).then((json) => {
+            console.log("userExists: ", json);
+            if (json.returnCode === "uc_0206") { // 用户已存在
+                return true;
+            } else if (json.returnCode === "uc_0205") {// 用户不存在
+                return false;
+            } else {
+                throw json;
+            }
+        }).catch(error => {
+            console.log(error);
+        });
+    },
     uniqueDeviceIdentifier: function () {
         let udid = localStorage.getItem('uniqueDeviceIdentifier');
         if (!udid) {
diff --git a/src/components/DynamicCodeForm.js b/src/components/DynamicCodeForm.js
index 8501f32..b09a01d 100644
--- a/src/components/DynamicCodeForm.js
+++ b/src/components/DynamicCodeForm.js
@@ -3,29 +3,16 @@ import React, { useState, useEffect, useRef } from 'react';
 import PhoneIphoneIcon from '@mui/icons-material/PhoneIphone';
 import LockIcon from '@mui/icons-material/Lock';
 import { useSelector, useDispatch } from 'react-redux'
-import { setAccount, setVerificationCode } from "../business/userSlice.js"
 import yzs from "../business/request.js";
 import Agreement from "./Agreement.js";
 import { validatePhoneNumber, textHintOfValidatePhoneNumber } from "../business/utilities.js"
 
-export default function ({ udid, agreeAgreement, onAgreeChange }) {
-    const dispatch = useDispatch();
+export default function ({ udid, firstEnter, onChange, agreeAgreement, onAgreeChange }) {
     const code = useRef(null);
-    const [firstEnter, setFirstEnter] = useState(true);
     const [seconds, setSeconds] = useState(0);   // 倒计时
-
     const account = useSelector(state => state.user.account)
     const verificationCode = useSelector(state => state.user.verificationCode)
 
-    const handleInputChange = (event) => {
-        const { name, value } = event.target;
-        if (name === 'username') {
-            dispatch(setAccount(value));
-            if (firstEnter) setFirstEnter(false);
-        }
-        if (name === 'password') dispatch(setVerificationCode(value));
-    };
-
     useEffect(() => {
         const timer = window.setInterval(() => {
             if (seconds > 0) {
@@ -64,7 +51,7 @@ export default function ({ udid, agreeAgreement, onAgreeChange }) {
             fullWidth
             error={firstEnter ? false : !validatePhoneNumber(account)}
             helperText={firstEnter ? "" : textHintOfValidatePhoneNumber(account)}
-            onChange={handleInputChange}
+            onChange={onChange}
             InputProps={{
                 startAdornment: (
                     <InputAdornment position="start">
@@ -82,14 +69,14 @@ export default function ({ udid, agreeAgreement, onAgreeChange }) {
             }}
             hiddenLabel
             fullWidth
-            name="password"
+            name="verification_code"
             placeholder="请输入验证码"
             type="text"
             autoComplete="current-password"
             variant="outlined"
             size="small"
             value={verificationCode}
-            onChange={handleInputChange}
+            onChange={onChange}
             InputProps={{
                 startAdornment: (
                     <InputAdornment position="start">
@@ -121,7 +108,7 @@ export default function ({ udid, agreeAgreement, onAgreeChange }) {
                 },
             }}
         >
-            注册/登录
+            登录
         </Button>
         <Agreement agree={agreeAgreement} onChange={onAgreeChange} />
     </Container>
diff --git a/src/components/PasswordForm.js b/src/components/PasswordForm.js
index 8402d95..65e558b 100644
--- a/src/components/PasswordForm.js
+++ b/src/components/PasswordForm.js
@@ -3,23 +3,12 @@ import { Container, TextField, Button, InputAdornment } from "@mui/material";
 import PhoneIphoneIcon from '@mui/icons-material/PhoneIphone';
 import LockIcon from '@mui/icons-material/Lock';
 import { useSelector, useDispatch } from 'react-redux'
-import { setAccount, setPassword } from "../business/userSlice.js"
 import Agreement from './Agreement.js';
 import { validatePhoneNumber, textHintOfValidatePhoneNumber } from "../business/utilities.js"
 
-export default function ({ agreeAgreement, onAgreeChange }) {
-    const dispatch = useDispatch();
+export default function ({ firstEnter, onChange, agreeAgreement, onAgreeChange }) {
     const account = useSelector(state => state.user.account)
     const password = useSelector(state => state.user.password)
-    const [firstEnter, setFirstEnter] = useState(true);
-    const handleInputChange = (event) => {
-        const { name, value } = event.target;
-        if (name === 'username') {
-            dispatch(setAccount(value));
-            if (firstEnter) setFirstEnter(false);
-        }
-        if (name === 'password') dispatch(setPassword(value));
-    };
 
     return <Container disableGutters={true}
         sx={{
@@ -38,7 +27,7 @@ export default function ({ agreeAgreement, onAgreeChange }) {
             helperText={firstEnter ? "" : textHintOfValidatePhoneNumber(account)}
             value={account}
             fullWidth
-            onChange={handleInputChange}
+            onChange={onChange}
             InputProps={{
                 startAdornment: (
                     <InputAdornment position="start">
@@ -63,7 +52,7 @@ export default function ({ agreeAgreement, onAgreeChange }) {
             variant="outlined"
             size="small"
             value={password}
-            onChange={handleInputChange}
+            onChange={onChange}
             InputProps={{
                 startAdornment: (
                     <InputAdornment position="start">
diff --git a/src/components/RecordList.js b/src/components/RecordList.js
index 8447ad0..138d6b7 100644
--- a/src/components/RecordList.js
+++ b/src/components/RecordList.js
@@ -8,7 +8,7 @@ import ListItemButton from '@mui/material/ListItemButton';
 import ListItemText from '@mui/material/ListItemText';
 import Typography from '@mui/material/Typography';
 import Toolbar from '@mui/material/Toolbar';
-import { setCurrentIndex } from "../business/recorderSlice.js"
+import { setCurrentIndex, fecthRecord } from "../business/recorderSlice.js"
 import AccessTimeFilledIcon from '@mui/icons-material/AccessTimeFilled';
 
 const drawerWidth = 240;
@@ -20,6 +20,7 @@ export default function ({ open, recordList, currentIndex, fetchRecord }) {
         console.log("onSelected", index, recordList.at(index).transResultUrl)
         dispatch(setCurrentIndex(index));
         fetchRecord(accessToken, recordList.at(index));
+        dispatch(fecthRecord(index));
     }
     return <Drawer
         variant="persistent"
@@ -40,9 +41,13 @@ export default function ({ open, recordList, currentIndex, fetchRecord }) {
                 {recordList === undefined ? <React.Fragment /> : recordList.map((item, index) => (
                     <ListItem key={index} disablePadding>
                         <ListItemButton selected={currentIndex === index} onClick={(event) => onSelected(event, index)}>
-                            <ListItemText primary={item.editName} secondary={
+                            <ListItemText primary={item.editName} sx={{ color: currentIndex === index ? "#FF595A" : "#000000" }} secondary={
                                 <React.Fragment>
-                                    <Typography component="span" variant="body1">{item.content.slice(0, 50) + '......'}</Typography>
+                                    <Typography component="span" variant="body1"
+                                        sx={{
+                                            overflowWrap: "anywhere"
+                                        }}
+                                    >{item.content.slice(0, 50) + '......'}</Typography>
                                     <br />
                                     <AccessTimeFilledIcon sx={{ fontSize: 12 }} />
                                     <Typography component="span" variant="body2"> 更新于 {new Date(item.createTime).toLocaleString()}</Typography>
diff --git a/src/setupProxy.js b/src/setupProxy.js
index 47827ac..231e9f6 100644
--- a/src/setupProxy.js
+++ b/src/setupProxy.js
@@ -9,6 +9,14 @@ const server = "https://ai-api.hivoice.cn";
 const accessServer = "https://uc.hivoice.cn";
 
 module.exports = function (app) {
+    app.use(
+        '/rest/v2/user/is_user_exist',
+        createProxyMiddleware({
+            target: accessServer,
+            changeOrigin: true,
+            logger: console,
+        })
+    );
     app.use(
         '/rest/v2/phone/login',
         createProxyMiddleware({