diff --git a/foreground/src/main/java/com/gyf/csams/account/ui/AccountActivity.kt b/foreground/src/main/java/com/gyf/csams/account/ui/AccountActivity.kt
index d313046..98bab09 100644
--- a/foreground/src/main/java/com/gyf/csams/account/ui/AccountActivity.kt
+++ b/foreground/src/main/java/com/gyf/csams/account/ui/AccountActivity.kt
@@ -19,7 +19,6 @@ import androidx.compose.ui.text.input.ImeAction
 import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.text.input.PasswordVisualTransformation
 import androidx.compose.ui.text.withStyle
-import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.compose.NavHost
@@ -117,282 +116,263 @@ class AccountActivity : ComponentActivity() {
             }
         }
     }
-}
 
-/**
- * 帐号表单
- *
- * @param accountViewModel
- * @param Action 表单操作区域
- */
-@Composable
-private fun Account(
-    accountViewModel: AccountViewModel = viewModel(),
-    scaffoldState: ScaffoldState,
-    route: AccountRoute,
-    Action: @Composable (isValidForm: Boolean, accountViewModel: AccountViewModel) -> Unit
-) {
-    accountViewModel.route = route
-    Row(
-        horizontalArrangement = Arrangement.Center,
-        verticalAlignment = Alignment.CenterVertically,
-        modifier = Modifier.fillMaxSize()
+    /**
+     * 帐号表单
+     *
+     * @param accountViewModel
+     * @param Action 表单操作区域
+     */
+    @Composable
+    private fun Account(
+        accountViewModel: AccountViewModel = viewModel(),
+        scaffoldState: ScaffoldState,
+        route: AccountRoute,
+        Action: @Composable (isValidForm: Boolean, accountViewModel: AccountViewModel) -> Unit
     ) {
-        Column(modifier = Modifier.width(IntrinsicSize.Min)) {
-            Text(buildAnnotatedString {
-                withStyle(
-                    style = MaterialTheme.typography.subtitle1.toSpanStyle()
-                        .copy(color = MaterialTheme.colors.primary)
-                ) {
-                    append(accountViewModel.name.formValue.value ?: "")
-                }
-                withStyle(style = MaterialTheme.typography.subtitle1.toSpanStyle()) {
-                    append(accountViewModel.welcomeStart)
-                }
-                withStyle(style = MaterialTheme.typography.subtitle2.toSpanStyle()) {
-                    append(accountViewModel.welcomeEnd)
-                }
-                withStyle(
-                    style = MaterialTheme.typography.subtitle2.toSpanStyle()
-                        .copy(color = MaterialTheme.colors.secondary)
-                ) {
-                    append(BuildConfig.foreground_app_name)
-                }
-            })
-
-            StudentId(checkRepeat = route == AccountRoute.register)
-            Spacer(modifier = Modifier.height(10.dp))
-
+        accountViewModel.route = route
+        Row(
+            horizontalArrangement = Arrangement.Center,
+            verticalAlignment = Alignment.CenterVertically,
+            modifier = Modifier.fillMaxSize()
+        ) {
+            Column(modifier = Modifier.width(IntrinsicSize.Min)) {
+                Text(buildAnnotatedString {
+                    withStyle(
+                        style = MaterialTheme.typography.subtitle1.toSpanStyle()
+                            .copy(color = MaterialTheme.colors.primary)
+                    ) {
+                        append(accountViewModel.name.formValue.value ?: "")
+                    }
+                    withStyle(style = MaterialTheme.typography.subtitle1.toSpanStyle()) {
+                        append(accountViewModel.welcomeStart)
+                    }
+                    withStyle(style = MaterialTheme.typography.subtitle2.toSpanStyle()) {
+                        append(accountViewModel.welcomeEnd)
+                    }
+                    withStyle(
+                        style = MaterialTheme.typography.subtitle2.toSpanStyle()
+                            .copy(color = MaterialTheme.colors.secondary)
+                    ) {
+                        append(BuildConfig.foreground_app_name)
+                    }
+                })
 
-            if (route == AccountRoute.register) Name() else Password()
+                StudentId(checkRepeat = route == AccountRoute.register)
+                Spacer(modifier = Modifier.height(10.dp))
 
-            Spacer(modifier = Modifier.height(10.dp))
-            PasswordTip()
-            val isValidForm: Boolean by accountViewModel.isValidForm.observeAsState(false)
-            Action(isValidForm = isValidForm, accountViewModel = accountViewModel)
 
-            val snackBarMsg: String by accountViewModel.snackBarMsg.observeAsState("")
+                if (route == AccountRoute.register) Name() else Password()
 
-            if (snackBarMsg != "") {
-                LaunchedEffect(scaffoldState) {
-                    scaffoldState.snackbarHostState.showSnackbar(
-                        message = snackBarMsg
-                    )
-                    accountViewModel.resetRegisterResMsg()
+                Spacer(modifier = Modifier.height(10.dp))
+                PasswordTip()
+                val isValidForm: Boolean by accountViewModel.isValidForm.observeAsState(false)
+                Action(isValidForm = isValidForm, accountViewModel = accountViewModel)
+
+                val snackBarMsg: String by accountViewModel.snackBarMsg.observeAsState("")
+
+                if (snackBarMsg != "") {
+                    LaunchedEffect(scaffoldState) {
+                        scaffoldState.snackbarHostState.showSnackbar(
+                            message = snackBarMsg
+                        )
+                        accountViewModel.resetRegisterResMsg()
+                    }
                 }
-            }
 
-            RegisterDialog()
+                RegisterDialog()
+            }
         }
     }
-}
 
-/**
- * 学号
- * @param accountViewModel
- */
-@Composable
-private fun StudentId(accountViewModel: AccountViewModel = viewModel(), checkRepeat: Boolean) {
-    Column {
-
-
-        val isValidStudentId: Boolean by accountViewModel.isValidStudentId.observeAsState(false)
-        BaseTextField(
-            form = accountViewModel.studentId, keyboardOptions = KeyboardOptions.Default.copy(
-                keyboardType = KeyboardType.Number,
-                imeAction = ImeAction.Done
-            ), isError = !isValidStudentId
-        )
-        if (isValidStudentId) {
-            if (checkRepeat) {
-                val isRepeat: Boolean? by accountViewModel.isRepeat.observeAsState(null)
-                Logger.i("isRepeat=$isRepeat")
-                when (isRepeat) {
-                    null -> AnimationText(text = accountViewModel.checkRegTip)
-                    true ->
-                        Text(buildAnnotatedString {
-                            append(accountViewModel.studentId.formDesc)
-                            withStyle(
-                                style = MaterialTheme.typography.body1.toSpanStyle().copy(
-                                    color = MaterialTheme.colors.error
-                                )
-                            ) {
-                                append(accountViewModel.studentId.formValue.value ?: "")
-                            }
-                            append(accountViewModel.registered)
-                        })
-                    false ->
-                        Text(buildAnnotatedString {
-                            append(accountViewModel.studentId.formDesc)
-                            withStyle(
-                                style = MaterialTheme.typography.body1.toSpanStyle().copy(
-                                    color = MaterialTheme.colors.primary
-                                )
-                            ) {
-                                append(accountViewModel.studentId.formValue.value ?: "")
-                            }
-                            append(accountViewModel.canRegister)
-                        })
+    /**
+     * 学号
+     * @param accountViewModel
+     */
+    @Composable
+    private fun StudentId(accountViewModel: AccountViewModel = viewModel(), checkRepeat: Boolean) {
+        Column {
+
+
+            val isValidStudentId: Boolean by accountViewModel.isValidStudentId.observeAsState(false)
+            BaseTextField(
+                form = accountViewModel.studentId, keyboardOptions = KeyboardOptions.Default.copy(
+                    keyboardType = KeyboardType.Number,
+                    imeAction = ImeAction.Done
+                ), isError = !isValidStudentId
+            )
+            if (isValidStudentId) {
+                if (checkRepeat) {
+                    val isRepeat: Boolean? by accountViewModel.isRepeat.observeAsState(null)
+                    Logger.i("isRepeat=$isRepeat")
+                    when (isRepeat) {
+                        null -> AnimationText(text = accountViewModel.checkRegTip)
+                        true ->
+                            Text(buildAnnotatedString {
+                                append(accountViewModel.studentId.formDesc)
+                                withStyle(
+                                    style = MaterialTheme.typography.body1.toSpanStyle().copy(
+                                        color = MaterialTheme.colors.error
+                                    )
+                                ) {
+                                    append(accountViewModel.studentId.formValue.value ?: "")
+                                }
+                                append(accountViewModel.registered)
+                            })
+                        false ->
+                            Text(buildAnnotatedString {
+                                append(accountViewModel.studentId.formDesc)
+                                withStyle(
+                                    style = MaterialTheme.typography.body1.toSpanStyle().copy(
+                                        color = MaterialTheme.colors.primary
+                                    )
+                                ) {
+                                    append(accountViewModel.studentId.formValue.value ?: "")
+                                }
+                                append(accountViewModel.canRegister)
+                            })
+                    }
                 }
+            } else {
+                Text(
+                    text = accountViewModel.studentIdFormat,
+                    color = MaterialTheme.colors.error,
+                    style = MaterialTheme.typography.body1
+                )
             }
-        } else {
-            Text(
-                text = accountViewModel.studentIdFormat,
-                color = MaterialTheme.colors.error,
-                style = MaterialTheme.typography.body1
-            )
-        }
 
+        }
     }
-}
 
-/**
- * 注册弹窗
- *
- * @param accountViewModel
- */
-@Composable
-private fun RegisterDialog(accountViewModel: AccountViewModel = viewModel()) {
-    val dialogMsg: DialogMessage? by accountViewModel.dialogMsg.observeAsState(null)
-
-    val message = dialogMsg?.userResDto?.password
-    if (message?.isNotEmpty() == true) {
-        PasswordDialog(message = message)
+    /**
+     * 注册弹窗
+     *
+     * @param accountViewModel
+     */
+    @Composable
+    private fun RegisterDialog(accountViewModel: AccountViewModel = viewModel()) {
+        val dialogMsg: DialogMessage? by accountViewModel.dialogMsg.observeAsState(null)
+
+        val message = dialogMsg?.userResDto?.password
+        if (message?.isNotEmpty() == true) {
+            PasswordDialog(message = message)
+        }
     }
-}
 
-/**
- * 密码弹窗
- *
- * @param accountViewModel
- * @param message
- */
-@Composable
-private fun PasswordDialog(accountViewModel: AccountViewModel = viewModel(), message: String) {
-    val context = LocalContext.current
-    val button: @Composable () -> Unit = {
-        Row(
-            horizontalArrangement = Arrangement.Center, modifier = Modifier
-                .fillMaxWidth()
-                .padding(bottom = 10.dp)
-        ) {
-            OutlinedButton(
-                onClick = { accountViewModel.resetDialogMsg() },
-                modifier = Modifier.padding(end = 10.dp)
-            ) {
-                Text(text = accountViewModel.confirmDesc)
-            }
-            OutlinedButton(
-                onClick = {
-                    context.startActivity(Intent(context, AccountActivity::class.java))
-                },
-                colors = ButtonDefaults.outlinedButtonColors(
-                    contentColor = MaterialTheme.colors.onBackground
-                )
+    /**
+     * 密码弹窗
+     *
+     * @param accountViewModel
+     * @param message
+     */
+    @Composable
+    private fun PasswordDialog(accountViewModel: AccountViewModel = viewModel(), message: String) {
+        val context = LocalContext.current
+        val button: @Composable () -> Unit = {
+            Row(
+                horizontalArrangement = Arrangement.Center, modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(bottom = 10.dp)
             ) {
-                Text(text = accountViewModel.backLogin)
-            }
-        }
-    }
-    AlertDialog(onDismissRequest = { accountViewModel.resetDialogMsg() },
-        buttons = button,
-        title = { Text(text = accountViewModel.title) },
-        text = {
-            Text(buildAnnotatedString {
-                append(accountViewModel.passwordDialogStart)
-                withStyle(
-                    style = MaterialTheme.typography.body1.toSpanStyle()
-                        .copy(color = MaterialTheme.colors.secondary)
+                OutlinedButton(
+                    onClick = { accountViewModel.resetDialogMsg() },
+                    modifier = Modifier.padding(end = 10.dp)
+                ) {
+                    Text(text = accountViewModel.confirmDesc)
+                }
+                OutlinedButton(
+                    onClick = {
+                        context.startActivity(Intent(context, AccountActivity::class.java))
+                    },
+                    colors = ButtonDefaults.outlinedButtonColors(
+                        contentColor = MaterialTheme.colors.onBackground
+                    )
                 ) {
-                    append(message)
+                    Text(text = accountViewModel.backLogin)
                 }
-                append(accountViewModel.passwordDialogEnd)
+            }
+        }
+        AlertDialog(onDismissRequest = { accountViewModel.resetDialogMsg() },
+            buttons = button,
+            title = { Text(text = accountViewModel.title) },
+            text = {
+                Text(buildAnnotatedString {
+                    append(accountViewModel.passwordDialogStart)
+                    withStyle(
+                        style = MaterialTheme.typography.body1.toSpanStyle()
+                            .copy(color = MaterialTheme.colors.secondary)
+                    ) {
+                        append(message)
+                    }
+                    append(accountViewModel.passwordDialogEnd)
+                })
             })
-        })
-}
+    }
 
 
-/**
- * 姓名文本框
- * @param accountViewModel
- */
-@Composable
-private fun Name(accountViewModel: AccountViewModel = viewModel()) {
-    Column {
+    /**
+     * 姓名文本框
+     * @param accountViewModel
+     */
+    @Composable
+    private fun Name(accountViewModel: AccountViewModel = viewModel()) {
+        Column {
 
-        val isValidName: Boolean by accountViewModel.isValidName.observeAsState(false)
-        BaseTextField(form = accountViewModel.name, isError = !isValidName)
+            val isValidName: Boolean by accountViewModel.isValidName.observeAsState(false)
+            BaseTextField(form = accountViewModel.name, isError = !isValidName)
 
-        if (!isValidName) {
-            Text(
-                text = accountViewModel.nameFormat,
-                color = MaterialTheme.colors.error
-            )
+            if (!isValidName) {
+                Text(
+                    text = accountViewModel.nameFormat,
+                    color = MaterialTheme.colors.error
+                )
+            }
         }
-    }
 
-}
+    }
 
-/**
- * 密码框
- * @param accountViewModel
- */
-@Composable
-private fun Password(accountViewModel: AccountViewModel = viewModel()) {
-    Column {
-        val isValidPwd: Boolean by accountViewModel.isValidPwd.observeAsState(false)
-
-        BaseTextField(
-            form = accountViewModel.password, isError = !isValidPwd,
-            keyboardOptions = KeyboardOptions.Default.copy(
-                imeAction = ImeAction.Done,
-                keyboardType = KeyboardType.Number,
-            ), visualTransformation = PasswordVisualTransformation()
-        )
-
-
-        if (!isValidPwd) {
-            Text(
-                text = accountViewModel.passwordFormat,
-                color = MaterialTheme.colors.error
+    /**
+     * 密码框
+     * @param accountViewModel
+     */
+    @Composable
+    private fun Password(accountViewModel: AccountViewModel = viewModel()) {
+        Column {
+            val isValidPwd: Boolean by accountViewModel.isValidPwd.observeAsState(false)
+
+            BaseTextField(
+                form = accountViewModel.password, isError = !isValidPwd,
+                keyboardOptions = KeyboardOptions.Default.copy(
+                    imeAction = ImeAction.Done,
+                    keyboardType = KeyboardType.Number,
+                ), visualTransformation = PasswordVisualTransformation()
             )
+
+
+            if (!isValidPwd) {
+                Text(
+                    text = accountViewModel.passwordFormat,
+                    color = MaterialTheme.colors.error
+                )
+            }
         }
     }
-}
 
-/**
- * 提示自动生成密码
- *
- * @param accountViewModel
- */
-@Composable
-private fun PasswordTip(accountViewModel: AccountViewModel = viewModel()) {
-    if (accountViewModel.isValidForm.value == true) {
-        Text(
-            text = accountViewModel.passwordTip, color = MaterialTheme.colors.primary,
-            modifier = Modifier.fillMaxWidth()
-        )
+    /**
+     * 提示自动生成密码
+     *
+     * @param accountViewModel
+     */
+    @Composable
+    private fun PasswordTip(accountViewModel: AccountViewModel = viewModel()) {
+        if (accountViewModel.isValidForm.value == true) {
+            Text(
+                text = accountViewModel.passwordTip, color = MaterialTheme.colors.primary,
+                modifier = Modifier.fillMaxWidth()
+            )
+        }
     }
 }
 
 
-@Preview(showBackground = true)
-@Composable
-fun DefaultPreview() {
-    CSAMSTheme {
-
-        Row(
-            horizontalArrangement = Arrangement.Center,
-            verticalAlignment = Alignment.CenterVertically,
-            modifier = Modifier.fillMaxSize()
-        ) {
-            Column(modifier = Modifier.width(IntrinsicSize.Min)) {
-                val model: AccountViewModel = viewModel()
-
-                StudentId(model, false)
-                Spacer(modifier = Modifier.height(10.dp))
-            }
-        }
-    }
-}