diff --git a/.env b/.env
index 4f79a0f..7d6ef28 100644
--- a/.env
+++ b/.env
@@ -1 +1,2 @@
-GENERATE_SOURCEMAP=false
\ No newline at end of file
+GENERATE_SOURCEMAP=false
+CDN_URL=https://cdn.unmei.space/
diff --git a/src/api/api.ts b/src/api/api.ts
index 40061ee..f449353 100644
--- a/src/api/api.ts
+++ b/src/api/api.ts
@@ -1,4 +1,4 @@
-const baseUrl = process.env.NODE_ENV === "development" ? 'http://localhost:8080/v1' : 'https://api.unmei.space/v1';
+const baseUrl = process.env.NODE_ENV === "development" ? 'http://192.168.0.103:8080/v1' : 'https://api.unmei.space/v1';
 
 const request: ApiRequest = async (url: string, method: string, body?: string | FormData) => {
     let bUrl = baseUrl;
diff --git a/src/pages/App/App.tsx b/src/pages/App/App.tsx
index 8f31024..6fbde8e 100644
--- a/src/pages/App/App.tsx
+++ b/src/pages/App/App.tsx
@@ -45,7 +45,7 @@ class App extends React.Component<Props, State> {
         if(cachedTheme)
             document.body.setAttribute('theme', cachedTheme);
 
-        const { setUser } = this.props;
+        const { setUser } = props;
         fetchCurrentUser().then((user: UserType) => {
             setUser(user);
             fetchUserSettings().then((settings: UserSettingsType) => {
@@ -55,7 +55,8 @@ class App extends React.Component<Props, State> {
                 }
             });
         }).catch((err: ApiError) => {
-            if(err.code !== 3 && err.text) console.error(err.text);
+            if(err.code !== 3 && err.text)
+                console.error(err.text);
         });
 
         parser.registerTag('spoiler', SpoilerTag);
@@ -67,6 +68,8 @@ class App extends React.Component<Props, State> {
 
                 caches.keys().then(names => {
                     names.forEach(name => caches.delete(name).catch(console.error))
+                }).then(() => {
+                    window.location.reload();
                 });
             }
         });
diff --git a/src/pages/Footer/Footer.tsx b/src/pages/Footer/Footer.tsx
index a5c6070..576a10b 100644
--- a/src/pages/Footer/Footer.tsx
+++ b/src/pages/Footer/Footer.tsx
@@ -5,29 +5,13 @@ import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
 import { faDiscord, faVk, faTelegramPlane } from '@fortawesome/free-brands-svg-icons';
 
 const Footer: React.FC = () => {
-    const secretChangeTheme = () => {
-        const theme = localStorage.getItem('theme');
-        if(theme == null) {
-            localStorage.setItem('theme', 'light');
-            document.body.setAttribute('theme', 'light')
-        } else if(theme === 'light') {
-            localStorage.setItem('theme', 'dark');
-            document.body.setAttribute('theme', 'dark')
-        } else if(theme === 'dark') {
-            localStorage.setItem('theme', 'light');
-            document.body.setAttribute('theme', 'light')
-        }
-        if(theme !== 'light') {
-            console.log('Светлая тема находится в разработке! Не все может корректно отображаться.\nК тому же, эта кнопка секретная. Ты знал, на что шел ;)');
-        }
-    }
-
     return (
         <div className='Footer'>
             <footer className='Footer__Tabs'>
                 <div className="Footer__Tab">
-                    <div className="Footer__Tab_Title" onClick={secretChangeTheme}>Команда</div>
+                    <div className="Footer__Tab_Title">Команда</div>
                     <Link to={'/user/1'} className={'Link'}>Nix13</Link>
+                    <Link to={'/user/6'} className={'Link'}>RonFall</Link>
                 </div>
                 <div className="Footer__Tab">
                     <div className="Footer__Tab_Title">Соцсети</div>
diff --git a/src/pages/User/Novels/UserNovels.tsx b/src/pages/User/Novels/UserNovels.tsx
index 9dc4efb..f0d66ab 100644
--- a/src/pages/User/Novels/UserNovels.tsx
+++ b/src/pages/User/Novels/UserNovels.tsx
@@ -6,6 +6,7 @@ import NovelItem from '../../../ui/NovelItem/NovelItem';
 import {capitalize, generateClassName, getRandomInt} from "../../../utils";
 import {FontAwesomeIcon} from "@fortawesome/react-fontawesome";
 import {faAlignJustify, faThLarge} from "@fortawesome/free-solid-svg-icons";
+import Button from "../../../ui/Button/Button";
 
 type Props = {
     match: { params: { userId: number } }
@@ -73,7 +74,7 @@ class UserNovels extends React.Component<Props, State> {
                 {planned.length > 0 && <div className={'UserNovels__List'}>
                     <div className="UserNovels__List_Title">
                         <div style={{ marginRight: '1rem' }}>Запланированные</div>
-                        <button onClick={this.getRandomNovel}>Рандомная новелла</button>
+                        <Button onClick={this.getRandomNovel}>Рандомная новелла</Button>
                     </div>
                     <div className={generateClassName("UserNovels__List_Novels", capitalize(viewType) || 'Grid')}>
                         {planned.map((novel, id) => <NovelItem {...novel} key={novel.id} novelId={id+1} viewType={viewType}/>)}
diff --git a/src/pages/User/Settings/Appearance.tsx b/src/pages/User/Settings/Appearance.tsx
new file mode 100644
index 0000000..6740c5d
--- /dev/null
+++ b/src/pages/User/Settings/Appearance.tsx
@@ -0,0 +1,55 @@
+import Button from "../../../ui/Button/Button";
+import Group from "../../../ui/Group/Group";
+import React, {FormEvent} from "react";
+import {fetchUserSettings, updateUserAppearanceSettings} from "../../../api/users";
+import {setUser} from "../../../store/actions";
+
+type State = {
+    theme: Theme
+}
+
+class Appearance extends React.Component<{}, State> {
+    state: State = {
+        theme: 'dark'
+    }
+
+    componentDidMount() {
+        fetchUserSettings().then(settings => {
+            this.setState({ theme: settings.theme })
+        })
+    }
+
+    saveTheme = (event: FormEvent) => {
+        event.preventDefault();
+
+        const { theme } = this.state;
+        updateUserAppearanceSettings(theme).then(user => {
+            setUser(user);
+
+            localStorage.setItem('theme', theme);
+            document.body.setAttribute('theme', theme);
+        })
+    }
+
+    render() {
+        const { theme } = this.state;
+
+        return (
+            <Group title={'Тема'} className={'Settings_Group'}>
+                <form onSubmit={this.saveTheme}>
+                    <select onChange={e => this.setState({ theme: e.target.value as Theme })} value={theme}>
+                        <option value="dark">Dark</option>
+                        <option value="blue">Blue</option>
+                        <option value="red">Red</option>
+                        <option value="green">Green</option>
+                        <option value="light">Light</option>
+                    </select>
+
+                    <Button>Сохранить</Button>
+                </form>
+            </Group>
+        )
+    }
+}
+
+export default Appearance;
diff --git a/src/pages/User/Settings/General.tsx b/src/pages/User/Settings/General.tsx
new file mode 100644
index 0000000..fe36c61
--- /dev/null
+++ b/src/pages/User/Settings/General.tsx
@@ -0,0 +1,65 @@
+import React, {ChangeEvent, FormEvent} from "react";
+import Button from "../../../ui/Button/Button";
+import Group from "../../../ui/Group/Group";
+import {fetchUserSettings, updateUserGeneralSettings, uploadAvatar} from "../../../api/users";
+
+type Props = {
+    setUser: (user: UserType) => void
+}
+
+type State = {
+    // Avatar
+    useGravatar: boolean
+    avatar: File | null
+}
+
+class General extends React.Component<Props, State> {
+    state: State = {
+        useGravatar: false, avatar: null
+    }
+
+    componentDidMount() {
+        fetchUserSettings().then(settings => {
+            this.setState({ useGravatar: settings.use_gravatar })
+        })
+    }
+
+    onChangeAvatar = (event: ChangeEvent<HTMLInputElement>) => {
+        const files = event.target.files;
+        if(!files) return;
+        this.setState({ avatar: files[0] });
+    }
+
+    saveAvatar = (event: FormEvent) => {
+        event.preventDefault();
+        const { avatar, useGravatar} = this.state;
+        const { setUser } = this.props;
+
+        if(avatar) {
+            const formData = new FormData();
+            formData.append('avatar', avatar);
+
+            uploadAvatar(formData).then(avatarUrl => {
+                updateUserGeneralSettings(useGravatar, avatarUrl).then(setUser)
+            })
+        } else {
+            updateUserGeneralSettings(useGravatar, '').then(setUser)
+        }
+    }
+
+    render() {
+        const { useGravatar } = this.state;
+
+        return (
+            <Group title={'Аватар'} className={'Settings_Group'}>
+                <form onSubmit={this.saveAvatar}>
+                    <label>Использовать Gravatar <input type="checkbox" onChange={event => this.setState({ useGravatar: event.target.checked })} checked={useGravatar}/></label>
+                    <label>Загрузить аватар <input type="file" onChange={this.onChangeAvatar} disabled={useGravatar}/></label>
+                    <Button>Сохранить</Button>
+                </form>
+            </Group>
+        );
+    }
+}
+
+export default General;
diff --git a/src/pages/User/Settings/Security.tsx b/src/pages/User/Settings/Security.tsx
new file mode 100644
index 0000000..68a88b2
--- /dev/null
+++ b/src/pages/User/Settings/Security.tsx
@@ -0,0 +1,67 @@
+import React from "react";
+import Group from "../../../ui/Group/Group";
+import Input from "../../../ui/Input/Input";
+import Button from "../../../ui/Button/Button";
+
+type State = {
+    oldEmail: string
+    email1: string
+    email2: string
+    error: string
+}
+
+class Security extends React.Component<{}, State> {
+    state: State = {
+        oldEmail: '', email1: '', email2: '',
+        error: ''
+    }
+
+    changeEmail = (e: React.FormEvent) => {
+        e.preventDefault();
+        const { oldEmail, email1, email2 } = this.state;
+        let error = '';
+        if(!oldEmail) error += 'Введите старый E-mail\n';
+        if(!email1) error += 'Введите новый E-mail\n';
+        if(!email2) error += 'Введите повтор нового E-mail\n';
+        if(email1 !== email2) error += 'E-mail не совпадают\n';
+        if(oldEmail === email1) error += 'Старый и новый E-mail не должны совпадать';
+
+        if(error) {
+            this.setState({ error });
+            return;
+        }
+    }
+
+    render() {
+        const { oldEmail, email1, email2, error } = this.state;
+
+        return (
+            <Group title={'Смена E-mail'} className={'Settings_Group'}>
+                {error && <pre className={'Error'}>{error}</pre>}
+                <form onSubmit={this.changeEmail}>
+                    <Input
+                        placeholder={'Старый E-mail'}
+                        type={'email'}
+                        value={oldEmail}
+                        onChange={e => this.setState({ oldEmail: e.target.value })}
+                    />
+                    <Input
+                        placeholder={'Новый E-mail'}
+                        type={'email'}
+                        value={email1}
+                        onChange={e => this.setState({ email1: e.target.value })}
+                    />
+                    <Input
+                        placeholder={'Новый E-mail ещё раз'}
+                        type={'email'}
+                        value={email2}
+                        onChange={e => this.setState({ email1: e.target.value })}
+                    />
+                    <Button>Сохранить</Button>
+                </form>
+            </Group>
+        );
+    }
+}
+
+export default Security;
diff --git a/src/pages/User/Settings/Settings.sass b/src/pages/User/Settings/Settings.sass
index a4bb4fd..012c772 100644
--- a/src/pages/User/Settings/Settings.sass
+++ b/src/pages/User/Settings/Settings.sass
@@ -1,5 +1,7 @@
 .Group
-  .Settings_Avatar
+  .Settings_Group
+    font-size: 1.1rem
+
     form
       display: flex
       flex-direction: column
@@ -8,5 +10,5 @@
       input
         margin: .5rem 0
 
-      .Button
-        flex-grow: 0
\ No newline at end of file
+      input, .Button
+        font-size: 1.1rem
diff --git a/src/pages/User/Settings/Settings.tsx b/src/pages/User/Settings/Settings.tsx
index 05740bf..2752ecd 100644
--- a/src/pages/User/Settings/Settings.tsx
+++ b/src/pages/User/Settings/Settings.tsx
@@ -1,21 +1,18 @@
-import React, {ChangeEvent, FormEvent} from "react";
+import React from "react";
 import Group from "../../../ui/Group/Group";
 import {connect} from "react-redux";
 import NotFoundError from "../../NotFoundError";
-import Button from "../../../ui/Button/Button";
 import './Settings.sass';
-import {
-    fetchUserSettings,
-    updateUserAppearanceSettings,
-    updateUserGeneralSettings,
-    uploadAvatar
-} from "../../../api/users";
 import {setUser} from "../../../store/actions";
 import Tabs from "../../../ui/Tabs/Tabs";
 import TabItem from "../../../ui/Tabs/TabItem";
+import Appearance from "./Appearance";
+import General from "./General";
+import Security from "./Security";
 
 enum TabsNames {
     General,
+    Security,
     Appearance
 }
 
@@ -26,109 +23,53 @@ type Props = {
 }
 
 type State = {
-    // Avatar
-    useGravatar: boolean
-    avatar: File | null
-    theme: Theme
-
     currentTab: TabsNames
 }
 
 class Settings extends React.Component<Props, State> {
     state: State = {
-        useGravatar: false, avatar: null, theme: "dark",
         currentTab: TabsNames.General
     }
 
-    componentDidMount() {
-        fetchUserSettings().then(settings => {
-            this.setState({ useGravatar: settings.use_gravatar })
-        })
-    }
-
-    onChangeAvatar = (event: ChangeEvent<HTMLInputElement>) => {
-        const files = event.target.files;
-        if(!files) return;
-        this.setState({ avatar: files[0] });
-    }
-
-    saveAvatar = (event: FormEvent) => {
-        event.preventDefault();
-        const { avatar, useGravatar} = this.state;
-        const { setUser } = this.props;
-
-        if(avatar) {
-            const formData = new FormData();
-            formData.append('avatar', avatar);
-
-            uploadAvatar(formData).then(avatarUrl => {
-                updateUserGeneralSettings(useGravatar, avatarUrl).then(setUser)
-            })
-        } else {
-            updateUserGeneralSettings(useGravatar, '').then(setUser)
-        }
-    }
-
-    saveTheme = (event: FormEvent) => {
-        event.preventDefault();
-
-        const { theme } = this.state;
-        updateUserAppearanceSettings(theme).then(user => {
-            setUser(user);
-
-            localStorage.setItem('theme', theme);
-            document.body.setAttribute('theme', theme);
-        })
-    }
-
     render() {
-     const { currentUser, match: { params: { userId } } } = this.props;
-     const { useGravatar, currentTab, theme } = this.state
+        const { currentUser, match: { params: { userId } } } = this.props;
+        const { currentTab } = this.state
 
-     if(parseInt(userId) !== currentUser.id) return <NotFoundError/>;
+        if(parseInt(userId) !== currentUser.id) return <NotFoundError/>;
 
-     return (
-         <Group title={'Настройки'}>
-             <Tabs>
-                 <TabItem
-                    selected={currentTab === TabsNames.General}
-                    onClick={() => this.setState({ currentTab: TabsNames.General })}
-                 >
-                     Главное
-                 </TabItem>
-                 <TabItem
-                     selected={currentTab === TabsNames.Appearance}
-                     onClick={() => this.setState({ currentTab: TabsNames.Appearance })}
-                 >
-                     Внешний вид
-                 </TabItem>
-             </Tabs>
-             {currentTab === TabsNames.General && (
-                 <Group title={'Аватар'} className={'Settings_Avatar'}>
-                     <form onSubmit={this.saveAvatar}>
-                         <label>Использовать Gravatar <input type="checkbox" onChange={event => this.setState({ useGravatar: event.target.checked })} checked={useGravatar}/></label>
-                         <label>Загрузить аватар <input type="file" onChange={this.onChangeAvatar} disabled={useGravatar}/></label>
-                         <Button>Сохранить</Button>
-                     </form>
-                 </Group>
-             )}
-             {currentTab === TabsNames.Appearance && (
-                 <Group title={'Тема'} className={'Settings_Avatar'}>
-                     <form onSubmit={this.saveTheme}>
-                         <select onChange={e => this.setState({ theme: e.target.value as Theme })} value={theme}>
-                             <option value="dark">Dark</option>
-                             <option value="blue">Blue</option>
-                             <option value="red">Red</option>
-                             <option value="green">Green</option>
-                             <option value="light">Light</option>
-                         </select>
-
-                         <Button>Сохранить</Button>
-                     </form>
-                 </Group>
-             )}
-         </Group>
-     );
+        return (
+             <Group title={''}>
+                 <Tabs>
+                     <TabItem
+                        selected={currentTab === TabsNames.General}
+                        onClick={() => this.setState({ currentTab: TabsNames.General })}
+                     >
+                         Главное
+                     </TabItem>
+                     <TabItem
+                         selected={currentTab === TabsNames.Security}
+                         onClick={() => this.setState({ currentTab: TabsNames.Security })}
+                     >
+                         Безопастность
+                     </TabItem>
+                     <TabItem
+                         selected={currentTab === TabsNames.Appearance}
+                         onClick={() => this.setState({ currentTab: TabsNames.Appearance })}
+                     >
+                         Внешний вид
+                     </TabItem>
+                 </Tabs>
+                 {currentTab === TabsNames.General && (
+                     <General setUser={setUser}/>
+                 )}
+                 {currentTab === TabsNames.Security && (
+                     <Security/>
+                 )}
+                 {currentTab === TabsNames.Appearance && (
+                     <Appearance/>
+                 )}
+             </Group>
+        );
     }
 }
 
diff --git a/src/pages/User/User.tsx b/src/pages/User/User.tsx
index b5e9535..e4c849c 100644
--- a/src/pages/User/User.tsx
+++ b/src/pages/User/User.tsx
@@ -27,19 +27,32 @@ class User extends React.Component<Props, State> {
         user: null, novels: [], errorCode: null
     };
 
-    componentDidMount() {
-        const params = this.props.match.params;
-
-        fetchUser(parseInt(params.userId)).then((user: UserType) => {
+    getAndSetUser = (id: number) => {
+        fetchUser(id).then(user => {
             this.setState({ user });
             document.title = `${user.username} / Unmei`;
 
-            fetchUserNovels(parseInt(params.userId)).then((novels: NovelType[]) => {
+            fetchUserNovels(id).then(novels => {
                 this.setState({ novels });
             }).catch((err: ApiError) => console.error(err));
         }).catch((err: ApiError) => this.setState({ errorCode: err.code }));
     }
 
+    componentDidUpdate(prevProps: Readonly<Props>, prevState: Readonly<State>, _?: any) {
+        const newUserId = parseInt(this.props.match.params.userId);
+        const prevUserId = parseInt(prevProps.match.params.userId);
+
+        if(newUserId !== prevUserId) {
+            this.getAndSetUser(newUserId);
+        }
+    }
+
+    componentDidMount() {
+        const params = this.props.match.params;
+
+        this.getAndSetUser(parseInt(params.userId))
+    }
+
     sendActivateLink = () => {
         generateActivateLink().then(() => {
             const notification = (
@@ -48,10 +61,11 @@ class User extends React.Component<Props, State> {
                 </NotificationMessage>
             );
             this.props.addNotification(notification);
-        }).catch(err => {
+        }).catch((err: ApiError) => {
             const notification = (
-                <NotificationMessage level={"success"}>
-                    Сообщение успешно отправлено!
+                <NotificationMessage level={"error"}>
+                    Произошла ошибка! №{err.code} <br/>
+                    {err.text}
                 </NotificationMessage>
             );
             this.props.addNotification(notification);
diff --git a/src/ui/Group/Group.sass b/src/ui/Group/Group.sass
index 5e70456..495148e 100644
--- a/src/ui/Group/Group.sass
+++ b/src/ui/Group/Group.sass
@@ -8,4 +8,7 @@
   &__Title
     font-size: 1.2rem
     font-weight: 600
-    margin-bottom: .5rem
\ No newline at end of file
+    margin-bottom: .5rem
+
+  &__Content
+    margin-left: .5rem
diff --git a/src/ui/Group/Group.tsx b/src/ui/Group/Group.tsx
index 819ea2f..01da626 100644
--- a/src/ui/Group/Group.tsx
+++ b/src/ui/Group/Group.tsx
@@ -19,11 +19,11 @@ const Group = (restProps: Props) => {
     return (
         <div className={classNames('Group', className)} {...props}>
             <div className="Group__Title">{title}</div>
-            <div style={style}>
+            <div style={style} className={'Group__Content'}>
                 {children}
             </div>
         </div>
     )
 }
 
-export default Group;
\ No newline at end of file
+export default Group;
diff --git a/src/ui/Input/Input.tsx b/src/ui/Input/Input.tsx
index dbc8877..791bfa9 100644
--- a/src/ui/Input/Input.tsx
+++ b/src/ui/Input/Input.tsx
@@ -2,11 +2,11 @@ import React, {InputHTMLAttributes} from "react";
 import classNames from "../../classNames";
 import './Input.sass';
 
-const Input = (restProps: InputHTMLAttributes<HTMLElement>) => {
+const Input = (restProps: InputHTMLAttributes<HTMLInputElement>) => {
     const { className, ...props } = restProps;
     return (
         <input className={classNames('Input', className)} {...props} />
     )
 }
 
-export default Input;
\ No newline at end of file
+export default Input;
diff --git a/src/ui/NovelItem/NovelItem.tsx b/src/ui/NovelItem/NovelItem.tsx
index b9093f3..960450d 100644
--- a/src/ui/NovelItem/NovelItem.tsx
+++ b/src/ui/NovelItem/NovelItem.tsx
@@ -38,4 +38,4 @@ const NovelItem = ({ id, original_name, localized_name, image, status, mark, vie
     </Link>
 );
 
-export default NovelItem;
\ No newline at end of file
+export default NovelItem;
diff --git a/src/utils.ts b/src/utils.ts
index 0c86836..bab7bdd 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -20,4 +20,12 @@ const generateClassName = (baseClassName: string, ...classNames: string[]) => {
     else return `${baseClassName} ${classNames.join(" ")}`
 }
 
-export { capitalize, getRandomInt, hasPermission, hasAccessToAdminPanel, generateClassName };
\ No newline at end of file
+const getImage: (path: string) => string = (path: string) => {
+    let cdnUrl = process.env['CDN_URL'];
+    if(!cdnUrl) return path;
+    if(cdnUrl.endsWith('/')) cdnUrl = cdnUrl.slice(cdnUrl.length-1);
+    if(path.startsWith('/')) path = path.slice(1, path.length);
+    return `${cdnUrl}/${path}`;
+}
+
+export { capitalize, getRandomInt, hasPermission, hasAccessToAdminPanel, generateClassName, getImage };