diff --git a/app/public/site.webmanifest b/app/public/site.webmanifest
index 1e0c42e..3b251ef 100644
--- a/app/public/site.webmanifest
+++ b/app/public/site.webmanifest
@@ -1,6 +1,6 @@
 {
     "name": "Chat Nio",
-    "short_name": "ChatNio",
+    "short_name": "Chat Nio",
     "icons": [
       {
         "src": "/service/android-chrome-192x192.png",
diff --git a/app/src/api/auth.ts b/app/src/api/auth.ts
new file mode 100644
index 0000000..9a69adc
--- /dev/null
+++ b/app/src/api/auth.ts
@@ -0,0 +1,111 @@
+import axios from "axios";
+import { getErrorMessage } from "@/utils/base.ts";
+
+export type LoginForm = {
+  username: string;
+  password: string;
+};
+
+export type DeepLoginForm = {
+  token: string;
+};
+
+export type LoginResponse = {
+  status: boolean;
+  error: string;
+  token: string;
+};
+
+export type StateResponse = {
+  status: boolean;
+  user: string;
+  admin: boolean;
+};
+
+export type RegisterForm = {
+  username: string;
+  password: string;
+  repassword: string;
+  email: string;
+  code: string;
+};
+
+export type RegisterResponse = {
+  status: boolean;
+  error: string;
+  token: string;
+};
+
+export type VerifyForm = {
+  email: string;
+};
+
+export type VerifyResponse = {
+  status: boolean;
+  error: string;
+};
+
+export type ResetForm = {
+  email: string;
+  code: string;
+  password: string;
+  repassword: string;
+};
+
+export type ResetResponse = {
+  status: boolean;
+  error: string;
+};
+
+export async function doLogin(
+  data: DeepLoginForm | LoginForm,
+): Promise<LoginResponse> {
+  const response = await axios.post("/login", data);
+  return response.data as LoginResponse;
+}
+
+export async function doState(): Promise<StateResponse> {
+  const response = await axios.post("/state");
+  return response.data as StateResponse;
+}
+
+export async function doRegister(
+  data: RegisterForm,
+): Promise<RegisterResponse> {
+  try {
+    const response = await axios.post("/register", data);
+    return response.data as RegisterResponse;
+  } catch (e) {
+    return {
+      status: false,
+      error: getErrorMessage(e),
+      token: "",
+    };
+  }
+}
+
+export async function doVerify(email: string): Promise<VerifyResponse> {
+  try {
+    const response = await axios.post("/verify", {
+      email,
+    } as VerifyForm);
+    return response.data as VerifyResponse;
+  } catch (e) {
+    return {
+      status: false,
+      error: getErrorMessage(e),
+    };
+  }
+}
+
+export async function doReset(data: ResetForm): Promise<ResetResponse> {
+  try {
+    const response = await axios.post("/reset", data);
+    return response.data as ResetResponse;
+  } catch (e) {
+    return {
+      status: false,
+      error: getErrorMessage(e),
+    };
+  }
+}
diff --git a/app/src/assets/globals.less b/app/src/assets/globals.less
index 075afe1..c1f8932 100644
--- a/app/src/assets/globals.less
+++ b/app/src/assets/globals.less
@@ -59,6 +59,7 @@
     --assistant-shadow: hsla(218, 100%, 64%, .03);
 
     --gold: 45 100% 50%;
+    --link: 210 100% 63%;
   }
 
   .dark {
diff --git a/app/src/assets/main.less b/app/src/assets/main.less
index 086c483..89601d3 100644
--- a/app/src/assets/main.less
+++ b/app/src/assets/main.less
@@ -43,6 +43,7 @@ html, body {
   outline: 0;
   box-sizing: border-box;
   -webkit-tap-highlight-color: transparent;
+  -webkit-overflow-scrolling: touch;
 }
 
 body {
diff --git a/app/src/assets/pages/auth.less b/app/src/assets/pages/auth.less
index 4a9f9e3..997cf18 100644
--- a/app/src/assets/pages/auth.less
+++ b/app/src/assets/pages/auth.less
@@ -4,3 +4,79 @@
   overflow: hidden;
   background: hsla(var(--background-container));
 }
+
+.auth-container {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  margin: 2.5rem 2rem;
+  user-select: none;
+
+  .logo {
+    width: 4rem;
+    height: 4rem;
+  }
+
+  & > * {
+    margin-bottom: 0.5rem;
+
+    &:last-child {
+      margin-bottom: 0;
+    }
+  }
+}
+
+.auth-card {
+  width: 80vw;
+  max-width: 360px;
+  min-width: 280px;
+  margin: 1rem 0;
+}
+
+.auth-wrapper {
+  display: flex;
+  flex-direction: column;
+  padding: 1.5rem 0;
+
+  & > * {
+    margin-bottom: 1rem;
+
+    &:last-child {
+      margin-bottom: 0;
+    }
+  }
+}
+
+.addition-wrapper {
+  display: flex;
+  flex-direction: column;
+  border-radius: var(--radius);
+  border: 1px solid hsla(var(--border));
+  padding: 1.25rem;
+  align-items: center;
+  transform: translateY(-1rem);
+  font-size: 0.875rem;
+  text-align: center;
+
+  a {
+    text-decoration: underline;
+    text-underline-offset: 0.25rem;
+    text-underline: 2px solid hsl(var(--text-secondary));
+    color: hsl(var(--text-secondary));
+    transition: 0.2s ease-in-out;
+    cursor: pointer;
+
+    &:hover {
+      color: hsl(var(--text));
+      text-underline-color: hsl(var(--text));
+    }
+  }
+
+  .row {
+    margin-bottom: 0.5rem;
+
+    &:last-child {
+      margin-bottom: 0;
+    }
+  }
+}
diff --git a/app/src/components/I18nProvider.tsx b/app/src/components/I18nProvider.tsx
index 05df2cf..2421bf8 100644
--- a/app/src/components/I18nProvider.tsx
+++ b/app/src/components/I18nProvider.tsx
@@ -16,7 +16,7 @@ function I18nProvider() {
     <DropdownMenu>
       <DropdownMenuTrigger asChild>
         <Button variant="outline" size="icon">
-          <Languages className="absolute h-[1.2rem] w-[1.2rem] rotate-0 scale-100 transition-all" />
+          <Languages className="h-[1.2rem] w-[1.2rem] rotate-0 scale-100 transition-all" />
         </Button>
       </DropdownMenuTrigger>
       <DropdownMenuContent>
diff --git a/app/src/components/ProjectLink.tsx b/app/src/components/ProjectLink.tsx
index b3233bb..9542312 100644
--- a/app/src/components/ProjectLink.tsx
+++ b/app/src/components/ProjectLink.tsx
@@ -26,7 +26,7 @@ function ProjectLink() {
     >
       <svg
         viewBox="0 0 438.549 438.549"
-        className="absolute h-[1.2rem] w-[1.2rem] rotate-0 scale-100"
+        className="h-[1.2rem] w-[1.2rem] rotate-0 scale-100"
       >
         <path
           fill="currentColor"
diff --git a/app/src/components/Require.tsx b/app/src/components/Require.tsx
index 2ea0156..8319a74 100644
--- a/app/src/components/Require.tsx
+++ b/app/src/components/Require.tsx
@@ -1,5 +1,90 @@
+import { useTranslation } from "react-i18next";
+import { useMemo } from "react";
+import { isEmailValid } from "@/utils/form.ts";
+
 function Required() {
   return <span className={`text-red-500 mr-0.5`}>*</span>;
 }
 
+export type LengthRangeRequiredProps = {
+  content: string;
+  min: number;
+  max: number;
+  hideOnEmpty?: boolean;
+};
+
+export function LengthRangeRequired({
+  content,
+  min,
+  max,
+  hideOnEmpty,
+}: LengthRangeRequiredProps) {
+  const { t } = useTranslation();
+  const onDisplay = useMemo(() => {
+    if (hideOnEmpty && content.length === 0) return false;
+    return content.length < min || content.length > max;
+  }, [content, min, max, hideOnEmpty]);
+
+  return (
+    <span
+      className={`ml-1 text-red-500 transition-opacity ${
+        onDisplay ? "" : "opacity-0"
+      }`}
+    >
+      ({t("auth.length-range", { min, max })})
+    </span>
+  );
+}
+
+export type SameRequiredProps = {
+  content: string;
+  compare: string;
+  hideOnEmpty?: boolean;
+};
+
+export function SameRequired({
+  content,
+  compare,
+  hideOnEmpty,
+}: SameRequiredProps) {
+  const { t } = useTranslation();
+  const onDisplay = useMemo(() => {
+    if (hideOnEmpty && compare.length === 0) return false;
+    return content !== compare;
+  }, [content, compare, hideOnEmpty]);
+
+  return (
+    <span
+      className={`ml-1 text-red-500 transition-opacity ${
+        onDisplay ? "" : "opacity-0"
+      }`}
+    >
+      ({t("auth.same-rule")})
+    </span>
+  );
+}
+
+export type EmailRequireProps = {
+  content: string;
+  hideOnEmpty?: boolean;
+};
+
+export function EmailRequire({ content, hideOnEmpty }: EmailRequireProps) {
+  const { t } = useTranslation();
+  const onDisplay = useMemo(() => {
+    if (hideOnEmpty && content.length === 0) return false;
+    return !isEmailValid(content);
+  }, [content, hideOnEmpty]);
+
+  return (
+    <span
+      className={`ml-1 text-red-500 transition-opacity ${
+        onDisplay ? "" : "opacity-0"
+      }`}
+    >
+      ({t("auth.invalid-email")})
+    </span>
+  );
+}
+
 export default Required;
diff --git a/app/src/components/ThemeProvider.tsx b/app/src/components/ThemeProvider.tsx
index db8095c..4e77afc 100644
--- a/app/src/components/ThemeProvider.tsx
+++ b/app/src/components/ThemeProvider.tsx
@@ -95,8 +95,12 @@ export function ModeToggle() {
 
   return (
     <Button variant="outline" size="icon" onClick={() => toggleTheme?.()}>
-      <Sun className="h-[1.2rem] w-[1.2rem] rotate-0 scale-100 transition-all dark:-rotate-90 dark:scale-0" />
-      <Moon className="absolute h-[1.2rem] w-[1.2rem] rotate-90 scale-0 transition-all dark:rotate-0 dark:scale-100" />
+      <Sun
+        className={`relative dark:absolute h-[1.2rem] w-[1.2rem] rotate-0 scale-100 transition-all dark:-rotate-90 dark:scale-0`}
+      />
+      <Moon
+        className={`absolute dark:relative h-[1.2rem] w-[1.2rem] rotate-90 scale-0 transition-all dark:rotate-0 dark:scale-100`}
+      />
     </Button>
   );
 }
diff --git a/app/src/components/TickButton.tsx b/app/src/components/TickButton.tsx
new file mode 100644
index 0000000..8085c0d
--- /dev/null
+++ b/app/src/components/TickButton.tsx
@@ -0,0 +1,53 @@
+import { Button, ButtonProps } from "@/components/ui/button.tsx";
+import React, { useEffect, useRef, useState } from "react";
+import { isAsyncFunc } from "@/utils/base.ts";
+
+export interface TickButtonProps extends ButtonProps {
+  tick: number;
+  onTickChange?: (tick: number) => void;
+  onClick?: (
+    e: React.MouseEvent<HTMLButtonElement>,
+  ) => boolean | Promise<boolean>;
+}
+
+function TickButton({
+  tick,
+  onTickChange,
+  onClick,
+  children,
+  ...props
+}: TickButtonProps) {
+  const stamp = useRef(0);
+  const [timer, setTimer] = useState(0);
+
+  useEffect(() => {
+    setInterval(() => {
+      const offset = Math.floor((Number(Date.now()) - stamp.current) / 1000);
+      let value = tick - offset;
+      if (value <= 0) value = 0;
+      setTimer(value);
+      onTickChange && onTickChange(value);
+    }, 250);
+  }, []);
+
+  const onReset = () => (stamp.current = Number(Date.now()));
+
+  // if is async function, use this:
+  const onTrigger = isAsyncFunc(onClick)
+    ? async (e: React.MouseEvent<HTMLButtonElement>) => {
+        if (timer !== 0 || !onClick) return;
+        if (await onClick(e)) onReset();
+      }
+    : (e: React.MouseEvent<HTMLButtonElement>) => {
+        if (timer !== 0 || !onClick) return;
+        if (onClick(e)) onReset();
+      };
+
+  return (
+    <Button {...props} onClick={onTrigger}>
+      {timer === 0 ? children : `${timer}s`}
+    </Button>
+  );
+}
+
+export default TickButton;
diff --git a/app/src/components/app/NavBar.tsx b/app/src/components/app/NavBar.tsx
index b83137e..c081825 100644
--- a/app/src/components/app/NavBar.tsx
+++ b/app/src/components/app/NavBar.tsx
@@ -9,7 +9,7 @@ import {
 import { Button } from "@/components/ui/button.tsx";
 import { Menu } from "lucide-react";
 import { useEffect } from "react";
-import { login, tokenField } from "@/conf.ts";
+import { tokenField } from "@/conf.ts";
 import { toggleMenu } from "@/store/menu.ts";
 import ProjectLink from "@/components/ProjectLink.tsx";
 import ModeToggle from "@/components/ThemeProvider.tsx";
@@ -17,6 +17,7 @@ import router from "@/router.tsx";
 import MenuBar from "./MenuBar.tsx";
 import { getMemory } from "@/utils/memory.ts";
 import { deeptrainApiEndpoint } from "@/utils/env.ts";
+import { goAuth } from "@/utils/app.ts";
 
 function NavMenu() {
   const username = useSelector(selectUsername);
@@ -62,7 +63,7 @@ function NavBar() {
         {auth ? (
           <NavMenu />
         ) : (
-          <Button size={`sm`} onClick={login}>
+          <Button size={`sm`} onClick={goAuth}>
             {t("login")}
           </Button>
         )}
diff --git a/app/src/components/home/ModelFinder.tsx b/app/src/components/home/ModelFinder.tsx
index 6e9c8c8..ddc7926 100644
--- a/app/src/components/home/ModelFinder.tsx
+++ b/app/src/components/home/ModelFinder.tsx
@@ -1,5 +1,5 @@
 import SelectGroup, { SelectItemProps } from "@/components/SelectGroup.tsx";
-import { expensiveModels, login, supportModels } from "@/conf.ts";
+import { expensiveModels, supportModels } from "@/conf.ts";
 import {
   getPlanModels,
   openMarket,
@@ -18,6 +18,7 @@ import { teenagerSelector } from "@/store/package.ts";
 import { ToastAction } from "@/components/ui/toast.tsx";
 import { useMemo } from "react";
 import { Sparkles } from "lucide-react";
+import { goAuth } from "@/utils/app.ts";
 
 function GetModel(name: string): Model {
   return supportModels.find((model) => model.id === name) as Model;
@@ -99,7 +100,7 @@ function ModelFinder(props: ModelSelectorProps) {
           toast({
             title: t("login-require"),
             action: (
-              <ToastAction altText={t("login")} onClick={login}>
+              <ToastAction altText={t("login")} onClick={goAuth}>
                 {t("login")}
               </ToastAction>
             ),
diff --git a/app/src/components/home/ModelMarket.tsx b/app/src/components/home/ModelMarket.tsx
index 9a7a7e9..c786a21 100644
--- a/app/src/components/home/ModelMarket.tsx
+++ b/app/src/components/home/ModelMarket.tsx
@@ -10,7 +10,7 @@ import {
   X,
 } from "lucide-react";
 import React, { useMemo, useState } from "react";
-import { login, modelAvatars, supportModels } from "@/conf.ts";
+import { modelAvatars, supportModels } from "@/conf.ts";
 import { splitList } from "@/utils/base.ts";
 import { Model } from "@/api/types.ts";
 import { useDispatch, useSelector } from "react-redux";
@@ -30,6 +30,7 @@ import { ToastAction } from "@/components/ui/toast.tsx";
 import { selectAuthenticated } from "@/store/auth.ts";
 import { useToast } from "@/components/ui/use-toast.ts";
 import { docsEndpoint } from "@/utils/env.ts";
+import { goAuth } from "@/utils/app.ts";
 
 type SearchBarProps = {
   value: string;
@@ -100,7 +101,7 @@ function ModelItem({ model, className, style }: ModelProps) {
           toast({
             title: t("login-require"),
             action: (
-              <ToastAction altText={t("login")} onClick={login}>
+              <ToastAction altText={t("login")} onClick={goAuth}>
                 {t("login")}
               </ToastAction>
             ),
diff --git a/app/src/components/home/SideBar.tsx b/app/src/components/home/SideBar.tsx
index 200db5c..5786e49 100644
--- a/app/src/components/home/SideBar.tsx
+++ b/app/src/components/home/SideBar.tsx
@@ -39,10 +39,10 @@ import {
 } from "@/components/ui/alert-dialog.tsx";
 import { getSharedLink, shareConversation } from "@/api/sharing.ts";
 import { Input } from "@/components/ui/input.tsx";
-import { login } from "@/conf.ts";
 import MenuBar from "@/components/app/MenuBar.tsx";
 import { Separator } from "@/components/ui/separator.tsx";
 import { deeptrainApiEndpoint } from "@/utils/env.ts";
+import { goAuth } from "@/utils/app.ts";
 
 type Operation = {
   target: ConversationInstance | null;
@@ -358,7 +358,7 @@ function SideBar() {
           <SidebarMenu />
         </div>
       ) : (
-        <Button className={`login-action`} variant={`default`} onClick={login}>
+        <Button className={`login-action`} variant={`default`} onClick={goAuth}>
           <LogIn className={`h-3 w-3 mr-2`} /> {t("login")}
         </Button>
       )}
diff --git a/app/src/resources/i18n/cn.json b/app/src/resources/i18n/cn.json
index a1605cd..a28ae58 100644
--- a/app/src/resources/i18n/cn.json
+++ b/app/src/resources/i18n/cn.json
@@ -4,6 +4,7 @@
   "not-found": "页面未找到",
   "home": "首页",
   "login": "登录",
+  "register": "注册",
   "login-require": "您需要登录才能使用此功能",
   "logout": "登出",
   "quota": "点数",
@@ -34,6 +35,34 @@
   "fatal": "应用崩溃",
   "download-fatal-log": "下载错误日志",
   "fatal-tips": "请您先检查您的网络，浏览器兼容性，尝试清除浏览器缓存并刷新页面。如果问题仍然存在，请将日志提供给开发者以便我们排查问题。",
+  "auth": {
+    "username": "用户名",
+    "username-placeholder": "请输入用户名",
+    "password": "密码",
+    "password-placeholder": "请输入密码",
+    "check-password": "确认密码",
+    "check-password-placeholder": "请再次输入密码",
+    "email": "邮箱",
+    "email-placeholder": "请输入邮箱",
+    "username-or-email": "用户名或邮箱",
+    "username-or-email-placeholder": "请输入用户名或邮箱",
+    "code": "验证码",
+    "code-placeholder": "请输入验证码",
+    "send-code": "发送",
+    "incorrect-info": "填错信息？",
+    "fall-back": "回退一步",
+    "forgot-password": "忘记密码？",
+    "reset-password": "重置密码",
+    "no-account": "没有账号？",
+    "register": "注册一个",
+    "have-account": "已有账号？",
+    "login": "现在登录",
+    "next-step": "下一步",
+    "verify": "验证",
+    "length-range": "应为 {{min}} ~ {{max}} 位",
+    "same-rule": "两次输入不一致",
+    "invalid-email": "邮箱格式错误"
+  },
   "tag": {
     "free": "免费",
     "official": "官方",
diff --git a/app/src/resources/i18n/en.json b/app/src/resources/i18n/en.json
index dff2e3c..74ad0f6 100644
--- a/app/src/resources/i18n/en.json
+++ b/app/src/resources/i18n/en.json
@@ -423,5 +423,34 @@
     "title": "Mask Settings",
     "search": "Search Mask Name",
     "context": "Contains {{length}} context"
+  },
+  "register": "Register",
+  "auth": {
+    "username": "Username",
+    "password": "Password",
+    "username-or-email": "Username or E-mail",
+    "username-or-email-placeholder": "Please enter your username or mailbox",
+    "password-placeholder": "Please enter the password",
+    "forgot-password": "Lost Password?",
+    "reset-password": "Password Reset",
+    "no-account": "No account?",
+    "register": "Sign up for a",
+    "username-placeholder": "Please enter username",
+    "check-password": "Enter Password again",
+    "check-password-placeholder": "Please enter the password again",
+    "email": "Email",
+    "email-placeholder": "Enter email",
+    "have-account": "Already have an account? ",
+    "login": "Login Now",
+    "next-step": "Next",
+    "verify": "Verification",
+    "code": "CAPTCHA",
+    "code-placeholder": "Please enter OTP code",
+    "send-code": "Post",
+    "incorrect-info": "Wrong information?",
+    "fall-back": "Go back one step",
+    "length-range": "Expected {{min}} ~ {{max}} digits",
+    "same-rule": "* Fields do not match",
+    "invalid-email": "The email doesn't look right !"
   }
-}
+}
\ No newline at end of file
diff --git a/app/src/resources/i18n/ja.json b/app/src/resources/i18n/ja.json
index ebfd8db..3c6fbe2 100644
--- a/app/src/resources/i18n/ja.json
+++ b/app/src/resources/i18n/ja.json
@@ -423,5 +423,34 @@
     "title": "プリセット設定",
     "search": "プリセット名を検索",
     "context": "{{length}}のコンテキストが含まれています"
+  },
+  "register": "登録",
+  "auth": {
+    "username": "ユーザー名",
+    "password": "パスワード",
+    "username-or-email": "ユーザー名またはメールアドレス",
+    "username-or-email-placeholder": "ユーザー名またはメールアドレスを入力してください",
+    "password-placeholder": "パスワードを入力してください",
+    "forgot-password": "パスワードを忘れた！",
+    "reset-password": "パスワードをリセット",
+    "no-account": "アカウントをお持ちではありませんか？",
+    "register": "にサインアップする",
+    "username-placeholder": "ここにあなたのユーザ名を入力",
+    "check-password": "パスワード確認",
+    "check-password-placeholder": "もう一度、パスワードを入力し直して下さい。",
+    "email": "メールアドレス",
+    "email-placeholder": "メールアドレスを入力してください",
+    "have-account": "すでにアカウントをお持ちですか？",
+    "login": "ログインしました。",
+    "next-step": "次へ",
+    "verify": "検証",
+    "code": "認証コード",
+    "code-placeholder": "認証コードを入力してください",
+    "send-code": "送信する",
+    "incorrect-info": "情報が間違っていますか？",
+    "fall-back": "1つ前のステップに戻る",
+    "length-range": "{{min }}〜{{ max}}桁が必要です",
+    "same-rule": "一貫性のない入力",
+    "invalid-email": "メールの形式が正しくありません"
   }
-}
+}
\ No newline at end of file
diff --git a/app/src/resources/i18n/ru.json b/app/src/resources/i18n/ru.json
index fec1cde..24a295c 100644
--- a/app/src/resources/i18n/ru.json
+++ b/app/src/resources/i18n/ru.json
@@ -423,5 +423,34 @@
     "title": "Настройки маски",
     "search": "Поиск по имени маски",
     "context": "Содержит {{length}} контекст"
+  },
+  "register": "Постановка на учет",
+  "auth": {
+    "username": "имя пользователя",
+    "password": "пароль",
+    "username-or-email": "Имя пользователя или адрес электронной почты",
+    "username-or-email-placeholder": "Введите имя пользователя или адрес электронной почты",
+    "password-placeholder": "Пожалуйста, введите пароль",
+    "forgot-password": "Забыли пароль?",
+    "reset-password": "Восстановить пароль",
+    "no-account": "У вас нет аккаунта?",
+    "register": "Зарегистрируйтесь на",
+    "username-placeholder": "Введите здесь имя пользователя",
+    "check-password": "Подтверждение пароля",
+    "check-password-placeholder": "Введите, пожалуйста, пароль снова",
+    "email": "Эл. почта",
+    "email-placeholder": "Введите адрес электронной почты",
+    "have-account": "Уже есть аккаунт?",
+    "login": "Войти",
+    "next-step": "Cледующий шаг",
+    "verify": "Сертификация",
+    "code": "Код подтверждения",
+    "code-placeholder": "Введите проверочный код",
+    "send-code": "Посл",
+    "incorrect-info": "Неверная информация?",
+    "fall-back": "Вернитесь на шаг назад",
+    "length-range": "Ожидаемые цифры: {{min}} ~ {{max}}",
+    "same-rule": "Несогласованные входные данные",
+    "invalid-email": "Неверный формат электронной почты"
   }
-}
+}
\ No newline at end of file
diff --git a/app/src/router.tsx b/app/src/router.tsx
index f95d8ce..e695b43 100644
--- a/app/src/router.tsx
+++ b/app/src/router.tsx
@@ -3,6 +3,9 @@ import Home from "./routes/Home.tsx";
 import NotFound from "./routes/NotFound.tsx";
 import Auth from "./routes/Auth.tsx";
 import { lazy, Suspense } from "react";
+import { useDeeptrain } from "@/utils/env.ts";
+import Register from "@/routes/Register.tsx";
+import Forgot from "@/routes/Forgot.tsx";
 
 const Generation = lazy(() => import("@/routes/Generation.tsx"));
 const Sharing = lazy(() => import("@/routes/Sharing.tsx"));
@@ -16,116 +19,132 @@ const Charge = lazy(() => import("@/routes/admin/Charge.tsx"));
 const Users = lazy(() => import("@/routes/admin/Users.tsx"));
 const Broadcast = lazy(() => import("@/routes/admin/Broadcast.tsx"));
 
-const router = createBrowserRouter([
-  {
-    id: "home",
-    path: "/",
-    Component: Home,
-    ErrorBoundary: NotFound,
-  },
-  {
-    id: "login",
-    path: "/login",
-    Component: Auth,
-    ErrorBoundary: NotFound,
-  },
-  {
-    id: "generation",
-    path: "/generate",
-    element: (
-      <Suspense>
-        <Generation />
-      </Suspense>
-    ),
-    ErrorBoundary: NotFound,
-  },
-  {
-    id: "share",
-    path: "/share/:hash",
-    element: (
-      <Suspense>
-        <Sharing />
-      </Suspense>
-    ),
-    ErrorBoundary: NotFound,
-  },
-  {
-    id: "article",
-    path: "/article",
-    element: (
-      <Suspense>
-        <Article />
-      </Suspense>
-    ),
-    ErrorBoundary: NotFound,
-  },
-  {
-    id: "admin",
-    path: "/admin",
-    element: (
-      <Suspense>
-        <Admin />
-      </Suspense>
-    ),
-    children: [
-      {
-        id: "admin-dashboard",
-        path: "",
-        element: (
-          <Suspense>
-            <Dashboard />
-          </Suspense>
-        ),
-      },
-      {
-        id: "admin-users",
-        path: "users",
-        element: (
-          <Suspense>
-            <Users />
-          </Suspense>
-        ),
-      },
-      {
-        id: "admin-channel",
-        path: "channel",
-        element: (
-          <Suspense>
-            <Channel />
-          </Suspense>
-        ),
-      },
-      {
-        id: "admin-system",
-        path: "system",
-        element: (
-          <Suspense>
-            <System />
-          </Suspense>
-        ),
-      },
-      {
-        id: "admin-charge",
-        path: "charge",
-        element: (
-          <Suspense>
-            <Charge />
-          </Suspense>
-        ),
-      },
-      {
-        id: "admin-broadcast",
-        path: "broadcast",
-        element: (
-          <Suspense>
-            <Broadcast />
-          </Suspense>
-        ),
-      },
-    ],
-    ErrorBoundary: NotFound,
-  },
-]);
+const router = createBrowserRouter(
+  [
+    {
+      id: "home",
+      path: "/",
+      Component: Home,
+      ErrorBoundary: NotFound,
+    },
+    {
+      id: "login",
+      path: "/login",
+      Component: Auth,
+      ErrorBoundary: NotFound,
+    },
+    !useDeeptrain &&
+      ({
+        id: "register",
+        path: "/register",
+        Component: Register,
+        ErrorBoundary: NotFound,
+      } as any),
+    !useDeeptrain &&
+      ({
+        id: "forgot",
+        path: "/forgot",
+        Component: Forgot,
+        ErrorBoundary: NotFound,
+      } as any),
+    {
+      id: "generation",
+      path: "/generate",
+      element: (
+        <Suspense>
+          <Generation />
+        </Suspense>
+      ),
+      ErrorBoundary: NotFound,
+    },
+    {
+      id: "share",
+      path: "/share/:hash",
+      element: (
+        <Suspense>
+          <Sharing />
+        </Suspense>
+      ),
+      ErrorBoundary: NotFound,
+    },
+    {
+      id: "article",
+      path: "/article",
+      element: (
+        <Suspense>
+          <Article />
+        </Suspense>
+      ),
+      ErrorBoundary: NotFound,
+    },
+    {
+      id: "admin",
+      path: "/admin",
+      element: (
+        <Suspense>
+          <Admin />
+        </Suspense>
+      ),
+      children: [
+        {
+          id: "admin-dashboard",
+          path: "",
+          element: (
+            <Suspense>
+              <Dashboard />
+            </Suspense>
+          ),
+        },
+        {
+          id: "admin-users",
+          path: "users",
+          element: (
+            <Suspense>
+              <Users />
+            </Suspense>
+          ),
+        },
+        {
+          id: "admin-channel",
+          path: "channel",
+          element: (
+            <Suspense>
+              <Channel />
+            </Suspense>
+          ),
+        },
+        {
+          id: "admin-system",
+          path: "system",
+          element: (
+            <Suspense>
+              <System />
+            </Suspense>
+          ),
+        },
+        {
+          id: "admin-charge",
+          path: "charge",
+          element: (
+            <Suspense>
+              <Charge />
+            </Suspense>
+          ),
+        },
+        {
+          id: "admin-broadcast",
+          path: "broadcast",
+          element: (
+            <Suspense>
+              <Broadcast />
+            </Suspense>
+          ),
+        },
+      ],
+      ErrorBoundary: NotFound,
+    },
+  ].filter(Boolean),
+);
 
 export function AppRouter() {
   return <RouterProvider router={router} />;
diff --git a/app/src/routes/Auth.tsx b/app/src/routes/Auth.tsx
index 9e5db5a..d4e76f9 100644
--- a/app/src/routes/Auth.tsx
+++ b/app/src/routes/Auth.tsx
@@ -1,18 +1,27 @@
 import { useToast } from "@/components/ui/use-toast.ts";
 import { ToastAction } from "@/components/ui/toast.tsx";
-import { login, tokenField } from "@/conf.ts";
-import { useEffect } from "react";
+import { tokenField } from "@/conf.ts";
+import { useEffect, useReducer } from "react";
 import Loader from "@/components/Loader.tsx";
 import "@/assets/pages/auth.less";
-import axios from "axios";
 import { validateToken } from "@/store/auth.ts";
 import { useDispatch } from "react-redux";
 import router from "@/router.tsx";
 import { useTranslation } from "react-i18next";
 import { getQueryParam } from "@/utils/path.ts";
 import { setMemory } from "@/utils/memory.ts";
+import { useDeeptrain } from "@/utils/env.ts";
+import { Card, CardContent } from "@/components/ui/card.tsx";
+import { goAuth } from "@/utils/app.ts";
+import { Label } from "@/components/ui/label.tsx";
+import { Input } from "@/components/ui/input.tsx";
+import Require from "@/components/Require.tsx";
+import { Button } from "@/components/ui/button.tsx";
+import { formReducer } from "@/utils/form.ts";
+import { doLogin, LoginForm } from "@/api/auth.ts";
+import { getErrorMessage } from "@/utils/base.ts";
 
-function Auth() {
+function DeepAuth() {
   const { toast } = useToast();
   const { t } = useTranslation();
   const dispatch = useDispatch();
@@ -24,39 +33,38 @@ function Auth() {
         title: t("invalid-token"),
         description: t("invalid-token-prompt"),
         action: (
-          <ToastAction altText={t("try-again")} onClick={login}>
+          <ToastAction altText={t("try-again")} onClick={goAuth}>
             {t("try-again")}
           </ToastAction>
         ),
       });
 
-      setTimeout(login, 2500);
+      setTimeout(goAuth, 2500);
       return;
     }
 
     setMemory(tokenField, token);
-    axios
-      .post("/login", { token })
-      .then((res) => {
-        const data = res.data;
+
+    doLogin({ token })
+      .then((data) => {
         if (!data.status) {
           toast({
             title: t("login-failed"),
             description: t("login-failed-prompt", { reason: data.error }),
             action: (
-              <ToastAction altText={t("try-again")} onClick={login}>
+              <ToastAction altText={t("try-again")} onClick={goAuth}>
                 {t("try-again")}
               </ToastAction>
             ),
           });
         } else
-          validateToken(dispatch, data.token, () => {
+          validateToken(dispatch, data.token, async () => {
             toast({
               title: t("login-success"),
               description: t("login-success-prompt"),
             });
 
-            router.navigate("/");
+            await router.navigate("/");
           });
       })
       .catch((err) => {
@@ -65,7 +73,7 @@ function Auth() {
           title: t("server-error"),
           description: `${t("server-error-prompt")}\n${err.message}`,
           action: (
-            <ToastAction altText={t("try-again")} onClick={login}>
+            <ToastAction altText={t("try-again")} onClick={goAuth}>
               {t("try-again")}
             </ToastAction>
           ),
@@ -80,4 +88,99 @@ function Auth() {
   );
 }
 
+function Login() {
+  const { t } = useTranslation();
+  const { toast } = useToast();
+  const globalDispatch = useDispatch();
+  const [form, dispatch] = useReducer(formReducer<LoginForm>(), {
+    username: sessionStorage.getItem("username") || "",
+    password: sessionStorage.getItem("password") || "",
+  });
+
+  const onSubmit = async () => {
+    if (!form.username.trim().length || !form.password.trim().length) return;
+
+    try {
+      const resp = await doLogin(form);
+      if (!resp.status) {
+        toast({
+          title: t("login-failed"),
+          description: t("login-failed-prompt", { reason: resp.error }),
+        });
+        return;
+      }
+
+      toast({
+        title: t("login-success"),
+        description: t("login-success-prompt"),
+      });
+
+      validateToken(globalDispatch, resp.token);
+      await router.navigate("/");
+    } catch (err) {
+      console.debug(err);
+      toast({
+        title: t("server-error"),
+        description: `${t("server-error-prompt")}\n${getErrorMessage(err)}`,
+      });
+    }
+  };
+
+  return (
+    <div className={`auth-container`}>
+      <img className={`logo`} src="/favicon.ico" alt="" />
+      <div className={`title`}>{t("login")} Chat Nio</div>
+      <Card className={`auth-card`}>
+        <CardContent className={`pb-0`}>
+          <div className={`auth-wrapper`}>
+            <Label>
+              <Require /> {t("auth.username-or-email")}
+            </Label>
+            <Input
+              placeholder={t("auth.username-or-email-placeholder")}
+              value={form.username}
+              onChange={(e) =>
+                dispatch({ type: "update:username", payload: e.target.value })
+              }
+            />
+
+            <Label>
+              <Require /> {t("auth.password")}
+            </Label>
+            <Input
+              placeholder={t("auth.password-placeholder")}
+              value={form.password}
+              onChange={(e) =>
+                dispatch({ type: "update:password", payload: e.target.value })
+              }
+            />
+
+            <Button onClick={onSubmit} className={`mt-2`} loading={true}>
+              {t("login")}
+            </Button>
+          </div>
+        </CardContent>
+      </Card>
+      <div className={`auth-card addition-wrapper`}>
+        <div className={`row`}>
+          {t("auth.no-account")}
+          <a className={`link`} onClick={() => router.navigate("/register")}>
+            {t("auth.register")}
+          </a>
+        </div>
+        <div className={`row`}>
+          {t("auth.forgot-password")}
+          <a className={`link`} onClick={() => router.navigate("/forgot")}>
+            {t("auth.reset-password")}
+          </a>
+        </div>
+      </div>
+    </div>
+  );
+}
+
+function Auth() {
+  return useDeeptrain ? <DeepAuth /> : <Login />;
+}
+
 export default Auth;
diff --git a/app/src/routes/Forgot.tsx b/app/src/routes/Forgot.tsx
new file mode 100644
index 0000000..5e4b248
--- /dev/null
+++ b/app/src/routes/Forgot.tsx
@@ -0,0 +1,109 @@
+import { useTranslation } from "react-i18next";
+import { useToast } from "@/components/ui/use-toast.ts";
+import { useDispatch } from "react-redux";
+import { useReducer } from "react";
+import { formReducer } from "@/utils/form.ts";
+import { doLogin, LoginForm, ResetForm } from "@/api/auth.ts";
+import { validateToken } from "@/store/auth.ts";
+import router from "@/router.tsx";
+import { getErrorMessage } from "@/utils/base.ts";
+import { Card, CardContent } from "@/components/ui/card.tsx";
+import { Label } from "@/components/ui/label.tsx";
+import Require from "@/components/Require.tsx";
+import { Input } from "@/components/ui/input.tsx";
+import { Button } from "@/components/ui/button.tsx";
+
+function Forgot() {
+  const { t } = useTranslation();
+  const { toast } = useToast();
+  const globalDispatch = useDispatch();
+  const [form, dispatch] = useReducer(formReducer<ResetForm>(), {
+    email: "",
+    code: "",
+    password: "",
+    repassword: "",
+  });
+
+  const onSubmit = async () => {
+    if (!form.username.trim().length || !form.password.trim().length) return;
+
+    try {
+      const resp = await doLogin(form);
+      if (!resp.status) {
+        toast({
+          title: t("login-failed"),
+          description: t("login-failed-prompt", { reason: resp.error }),
+        });
+        return;
+      }
+
+      toast({
+        title: t("login-success"),
+        description: t("login-success-prompt"),
+      });
+
+      validateToken(globalDispatch, resp.token);
+      await router.navigate("/");
+    } catch (err) {
+      console.debug(err);
+      toast({
+        title: t("server-error"),
+        description: `${t("server-error-prompt")}\n${getErrorMessage(err)}`,
+      });
+    }
+  };
+
+  return (
+    <div className={`auth-container`}>
+      <img className={`logo`} src="/favicon.ico" alt="" />
+      <div className={`title`}>{t("auth.reset-password")}</div>
+      <Card className={`auth-card`}>
+        <CardContent className={`pb-0`}>
+          <div className={`auth-wrapper`}>
+            <Label>
+              <Require /> {t("auth.username-or-email")}
+            </Label>
+            <Input
+              placeholder={t("auth.username-or-email-placeholder")}
+              value={form.username}
+              onChange={(e) =>
+                dispatch({ type: "update:username", payload: e.target.value })
+              }
+            />
+
+            <Label>
+              <Require /> {t("auth.password")}
+            </Label>
+            <Input
+              placeholder={t("auth.password-placeholder")}
+              value={form.password}
+              onChange={(e) =>
+                dispatch({ type: "update:password", payload: e.target.value })
+              }
+            />
+
+            <Button onClick={onSubmit} className={`mt-2`} loading={true}>
+              {t("login")}
+            </Button>
+          </div>
+        </CardContent>
+      </Card>
+      <div className={`auth-card addition-wrapper`}>
+        <div className={`row`}>
+          {t("auth.no-account")}
+          <a className={`link`} onClick={() => router.navigate("/register")}>
+            {t("auth.register")}
+          </a>
+        </div>
+        <div className={`row`}>
+          {t("auth.have-account")}
+          <a className={`link`} onClick={() => router.navigate("/login")}>
+            {t("auth.login")}
+          </a>
+        </div>
+      </div>
+    </div>
+  );
+}
+
+export default Forgot;
diff --git a/app/src/routes/Register.tsx b/app/src/routes/Register.tsx
new file mode 100644
index 0000000..e3907a7
--- /dev/null
+++ b/app/src/routes/Register.tsx
@@ -0,0 +1,268 @@
+import { Card, CardContent } from "@/components/ui/card.tsx";
+import { Label } from "@/components/ui/label.tsx";
+import Require, {
+  EmailRequire,
+  LengthRangeRequired,
+  SameRequired,
+} from "@/components/Require.tsx";
+import { Input } from "@/components/ui/input.tsx";
+import { Button } from "@/components/ui/button.tsx";
+import router from "@/router.tsx";
+import { useTranslation } from "react-i18next";
+import { formReducer, isEmailValid, isTextInRange } from "@/utils/form.ts";
+import React, { useReducer, useState } from "react";
+import { doRegister, doVerify, RegisterForm } from "@/api/auth.ts";
+import { useToast } from "@/components/ui/use-toast.ts";
+import TickButton from "@/components/TickButton.tsx";
+
+type CompProps = {
+  form: RegisterForm;
+  dispatch: React.Dispatch<any>;
+  next: boolean;
+  setNext: (next: boolean) => void;
+};
+
+function Preflight({ form, dispatch, setNext }: CompProps) {
+  const { t } = useTranslation();
+
+  const onSubmit = () => {
+    if (
+      !isTextInRange(form.username, 2, 24) ||
+      !isTextInRange(form.password, 6, 36) ||
+      form.password.trim() !== form.repassword.trim()
+    )
+      return;
+
+    setNext(true);
+  };
+
+  return (
+    <div className={`auth-wrapper`}>
+      <Label>
+        <Require />
+        {t("auth.username")}
+        <LengthRangeRequired
+          content={form.username}
+          min={2}
+          max={24}
+          hideOnEmpty={true}
+        />
+      </Label>
+      <Input
+        placeholder={t("auth.username-placeholder")}
+        value={form.username}
+        onChange={(e) =>
+          dispatch({
+            type: "update:username",
+            payload: e.target.value,
+          })
+        }
+      />
+
+      <Label>
+        <Require />
+        {t("auth.password")}
+        <LengthRangeRequired
+          content={form.password}
+          min={6}
+          max={36}
+          hideOnEmpty={true}
+        />
+      </Label>
+      <Input
+        placeholder={t("auth.password-placeholder")}
+        value={form.password}
+        onChange={(e) =>
+          dispatch({
+            type: "update:password",
+            payload: e.target.value,
+          })
+        }
+      />
+
+      <Label>
+        <Require />
+        {t("auth.check-password")}
+        <SameRequired
+          content={form.password}
+          compare={form.repassword}
+          hideOnEmpty={true}
+        />
+      </Label>
+      <Input
+        placeholder={t("auth.check-password-placeholder")}
+        value={form.repassword}
+        onChange={(e) =>
+          dispatch({
+            type: "update:repassword",
+            payload: e.target.value,
+          })
+        }
+      />
+
+      <Button className={`mt-2`} onClick={onSubmit}>
+        {t("auth.next-step")}
+      </Button>
+    </div>
+  );
+}
+
+function doFormat(form: RegisterForm): RegisterForm {
+  return {
+    ...form,
+    username: form.username.trim(),
+    password: form.password.trim(),
+    repassword: form.repassword.trim(),
+    email: form.email.trim(),
+    code: form.code.trim(),
+  };
+}
+
+function Verify({ form, dispatch, setNext }: CompProps) {
+  const { t } = useTranslation();
+  const { toast } = useToast();
+
+  const onSubmit = async () => {
+    const data = doFormat(form);
+
+    if (!isEmailValid(data.email) || !data.code.trim().length) return;
+
+    const res = await doRegister(data);
+    if (!res.status) {
+      toast({
+        title: t("error"),
+        description: res.error,
+      });
+      return;
+    }
+  };
+
+  const onVerify = async () => {
+    if (form.email.trim().length === 0 || !isEmailValid(form.email))
+      return false;
+
+    const res = await doVerify(form.email);
+    if (!res.status) {
+      toast({
+        title: t("error"),
+        description: res.error,
+      });
+      return false;
+    }
+
+    return true;
+  };
+
+  return (
+    <div className={`auth-wrapper`}>
+      <Label>
+        <Require />
+        {t("auth.email")}
+        <EmailRequire content={form.email} hideOnEmpty={true} />
+      </Label>
+      <Input
+        placeholder={t("auth.email-placeholder")}
+        value={form.email}
+        onChange={(e) =>
+          dispatch({
+            type: "update:email",
+            payload: e.target.value,
+          })
+        }
+      />
+
+      <Label>
+        <Require /> {t("auth.code")}
+      </Label>
+
+      <div className={`flex flex-row`}>
+        <Input
+          placeholder={t("auth.code-placeholder")}
+          value={form.code}
+          onChange={(e) =>
+            dispatch({
+              type: "update:code",
+              payload: e.target.value,
+            })
+          }
+        />
+        <TickButton
+          className={`ml-2 whitespace-nowrap`}
+          loading={true}
+          onClick={onVerify}
+          tick={60}
+        >
+          {t("auth.send-code")}
+        </TickButton>
+      </div>
+
+      <Button className={`mt-2`} loading={true} onClick={onSubmit}>
+        {t("register")}
+      </Button>
+
+      <div className={`mt-1 translate-y-1 text-center text-sm`}>
+        {t("auth.incorrect-info")}
+        <a
+          className={`underline underline-offset-4 cursor-pointer`}
+          onClick={() => setNext(false)}
+        >
+          {t("auth.fall-back")}
+        </a>
+      </div>
+    </div>
+  );
+}
+
+function Register() {
+  const { t } = useTranslation();
+  const [next, setNext] = useState(false);
+  const [form, dispatch] = useReducer(formReducer<RegisterForm>(), {
+    username: "",
+    password: "",
+    repassword: "",
+    email: "",
+    code: "",
+  });
+
+  return (
+    <div className={`auth-container`}>
+      <img className={`logo`} src="/favicon.ico" alt="" />
+      <div className={`title`}>{t("register")} Chat Nio</div>
+      <Card className={`auth-card`}>
+        <CardContent className={`pb-0`}>
+          {!next ? (
+            <Preflight
+              form={form}
+              dispatch={dispatch}
+              next={next}
+              setNext={setNext}
+            />
+          ) : (
+            <Verify
+              form={form}
+              dispatch={dispatch}
+              next={next}
+              setNext={setNext}
+            />
+          )}
+        </CardContent>
+      </Card>
+      <div className={`auth-card addition-wrapper`}>
+        <div className={`row`}>
+          {t("auth.have-account")}
+          <a className={`link`} onClick={() => router.navigate("/login")}>
+            {t("auth.login")}
+          </a>
+        </div>
+        <div className={`row`}>
+          {t("auth.forgot-password")}
+          <a className={`link`} onClick={() => router.navigate("/forgot")}>
+            {t("auth.reset-password")}
+          </a>
+        </div>
+      </div>
+    </div>
+  );
+}
+
+export default Register;
diff --git a/app/src/store/auth.ts b/app/src/store/auth.ts
index 4639316..5bb85fd 100644
--- a/app/src/store/auth.ts
+++ b/app/src/store/auth.ts
@@ -3,6 +3,7 @@ import axios from "axios";
 import { tokenField } from "@/conf.ts";
 import { AppDispatch, RootState } from "./index.ts";
 import { forgetMemory, setMemory } from "@/utils/memory.ts";
+import { doState } from "@/api/auth.ts";
 
 export const authSlice = createSlice({
   name: "auth",
@@ -32,6 +33,12 @@ export const authSlice = createSlice({
     setAdmin: (state, action) => {
       state.admin = action.payload as boolean;
     },
+    updateData: (state, action) => {
+      state.init = true;
+      state.authenticated = action.payload.authenticated as boolean;
+      state.username = action.payload.username as string;
+      state.admin = action.payload.admin as boolean;
+    },
     logout: (state) => {
       state.token = "";
       state.authenticated = false;
@@ -53,18 +60,26 @@ export function validateToken(
   dispatch(setToken(token));
 
   if (token.length === 0) {
-    dispatch(setAuthenticated(false));
-    dispatch(setUsername(""));
-    dispatch(setInit(true));
+    dispatch(
+      updateData({
+        authenticated: false,
+        username: "",
+        admin: false,
+      }),
+    );
+
     return;
   } else
-    axios
-      .post("/state")
-      .then((res) => {
-        dispatch(setAuthenticated(res.data.status));
-        dispatch(setUsername(res.data.user));
-        dispatch(setInit(true));
-        dispatch(setAdmin(res.data.admin));
+    doState()
+      .then((data) => {
+        dispatch(
+          updateData({
+            authenticated: data.status,
+            username: data.user,
+            admin: data.admin,
+          }),
+        );
+
         hook && hook();
       })
       .catch((err) => {
@@ -86,5 +101,6 @@ export const {
   logout,
   setInit,
   setAdmin,
+  updateData,
 } = authSlice.actions;
 export default authSlice.reducer;
diff --git a/app/src/utils/app.ts b/app/src/utils/app.ts
index 33ec607..3a984d8 100644
--- a/app/src/utils/app.ts
+++ b/app/src/utils/app.ts
@@ -1,3 +1,7 @@
+import router from "@/router.tsx";
+import { useDeeptrain } from "@/utils/env.ts";
+import { login } from "@/conf.ts";
+
 export let event: BeforeInstallPromptEvent | undefined;
 
 window.addEventListener("beforeinstallprompt", (e: Event) => {
@@ -40,3 +44,14 @@ export function getMemoryPerformance(): number {
   if (!performance || !performance.memory) return NaN;
   return performance.memory.usedJSHeapSize / 1024 / 1024;
 }
+
+export function navigate(path: string): void {
+  router
+    .navigate(path)
+    .then(() => console.debug(`[service] navigate to ${path}`))
+    .catch((err) => console.debug(`[service] navigate error`, err));
+}
+
+export function goAuth(): void {
+  useDeeptrain ? login() : navigate("/login");
+}
diff --git a/app/src/utils/base.ts b/app/src/utils/base.ts
index fc7fe190..a4bd036 100644
--- a/app/src/utils/base.ts
+++ b/app/src/utils/base.ts
@@ -48,3 +48,7 @@ export function getErrorMessage(error: any): string {
   if (typeof error === "string") return error;
   return JSON.stringify(error);
 }
+
+export function isAsyncFunc(fn: any): boolean {
+  return fn.constructor.name === "AsyncFunction";
+}
diff --git a/app/src/utils/form.ts b/app/src/utils/form.ts
index 1385609..4317f70 100644
--- a/app/src/utils/form.ts
+++ b/app/src/utils/form.ts
@@ -30,3 +30,15 @@ export const formReducer = <T>() => {
     }
   };
 };
+
+export function isEmailValid(email: string) {
+  return /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email) && email.length <= 255;
+}
+
+export function isInRange(value: number, min: number, max: number) {
+  return value >= min && value <= max;
+}
+
+export function isTextInRange(value: string, min: number, max: number) {
+  return value.trim().length >= min && value.trim().length <= max;
+}
diff --git a/connection/database.go b/connection/database.go
index 863377c..07aca57 100644
--- a/connection/database.go
+++ b/connection/database.go
@@ -57,8 +57,10 @@ func CreateUserTable(db *sql.DB) {
 		  bind_id INT UNIQUE,
 		  username VARCHAR(24) UNIQUE,
 		  token VARCHAR(255) NOT NULL,
+		  email VARCHAR(255) UNIQUE,
 		  password VARCHAR(64) NOT NULL,
-		  is_admin BOOLEAN DEFAULT FALSE
+		  is_admin BOOLEAN DEFAULT FALSE,
+		  is_banned BOOLEAN DEFAULT FALSE
 		);
 	`)
 	if err != nil {