diff --git a/package-lock.json b/package-lock.json
index c605f7d..55545ce 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -931,6 +931,15 @@
         "@types/react-router": "4.0.31"
       }
     },
+    "@types/react-sortable-hoc": {
+      "version": "0.6.4",
+      "resolved": "https://registry.npmjs.org/@types/react-sortable-hoc/-/react-sortable-hoc-0.6.4.tgz",
+      "integrity": "sha512-SlUZ9Ek4UURWtpezoMlK2DdSR/XG0+8uTGkAao21pNWMYSoNUrRCOAtI6quohBAWIXMP1k2qfRVRsuizIYppXw==",
+      "dev": true,
+      "requires": {
+        "@types/react": "16.4.14"
+      }
+    },
     "@webassemblyjs/ast": {
       "version": "1.7.6",
       "resolved": "https://registry.npmjs.org/@webassemblyjs/ast/-/ast-1.7.6.tgz",
@@ -1543,6 +1552,15 @@
         "util.promisify": "1.0.0"
       }
     },
+    "babel-runtime": {
+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.26.0.tgz",
+      "integrity": "sha1-llxwWGaOgrVde/4E/yM3vItWR/4=",
+      "requires": {
+        "core-js": "2.5.7",
+        "regenerator-runtime": "0.11.1"
+      }
+    },
     "bail": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/bail/-/bail-1.0.3.tgz",
@@ -2580,6 +2598,11 @@
       "integrity": "sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=",
       "dev": true
     },
+    "core-js": {
+      "version": "2.5.7",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.5.7.tgz",
+      "integrity": "sha512-RszJCAxg/PP6uzXVXL6BsxSXx/B05oJAQ2vkJRjyjrEcNVycaqOmNb5OTxZPE3xa5gwZduqza6L9JOCenh/Ecw=="
+    },
     "core-util-is": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
@@ -6097,6 +6120,11 @@
         "is-cwebp-readable": "2.0.1"
       }
     },
+    "immer": {
+      "version": "1.7.2",
+      "resolved": "https://registry.npmjs.org/immer/-/immer-1.7.2.tgz",
+      "integrity": "sha512-4Urocwu9+XLDJw4Tc6ZCg7APVjjLInCFvO4TwGsAYV5zT6YYSor14dsZR0+0tHlDIN92cFUOq+i7fC00G5vTxA=="
+    },
     "import-cwd": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/import-cwd/-/import-cwd-2.1.0.tgz",
@@ -9777,6 +9805,16 @@
         "warning": "4.0.2"
       }
     },
+    "react-sortable-hoc": {
+      "version": "0.8.3",
+      "resolved": "https://registry.npmjs.org/react-sortable-hoc/-/react-sortable-hoc-0.8.3.tgz",
+      "integrity": "sha512-vt2qQ9DnPLjGZ9osM2jBULdi7WfFXtYVuHvjHX8o2em7Rcla9FXIG60aWFbvvpFC1iXyATw5PWZX0B57EUOYfQ==",
+      "requires": {
+        "babel-runtime": "6.26.0",
+        "invariant": "2.2.4",
+        "prop-types": "15.6.2"
+      }
+    },
     "read-all-stream": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/read-all-stream/-/read-all-stream-3.1.0.tgz",
@@ -9881,6 +9919,11 @@
         "regenerate": "1.4.0"
       }
     },
+    "regenerator-runtime": {
+      "version": "0.11.1",
+      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz",
+      "integrity": "sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg=="
+    },
     "regenerator-transform": {
       "version": "0.13.3",
       "resolved": "https://registry.npmjs.org/regenerator-transform/-/regenerator-transform-0.13.3.tgz",
diff --git a/package.json b/package.json
index 484a11f..5c8ef25 100644
--- a/package.json
+++ b/package.json
@@ -35,6 +35,7 @@
         "@types/react-dom": "^16.0.7",
         "@types/react-i18next": "^7.8.2",
         "@types/react-router-dom": "^4.3.1",
+        "@types/react-sortable-hoc": "^0.6.4",
         "autoprefixer": "^9.1.5",
         "awesome-typescript-loader": "^5.2.1",
         "babel-loader": "^8.0.2",
@@ -67,6 +68,7 @@
         "dayjs": "^1.7.5",
         "i18next": "^11.9.0",
         "i18next-browser-languagedetector": "^2.2.3",
+        "immer": "^1.7.2",
         "ini": "^1.3.5",
         "mobx": "^5.1.2",
         "mobx-react": "^5.2.8",
@@ -76,6 +78,7 @@
         "react-dom": "^16.5.2",
         "react-i18next": "^7.12.0",
         "react-router-dom": "^4.3.1",
+        "react-sortable-hoc": "^0.8.3",
         "typescript": "^3.0.3"
     }
 }
diff --git a/src/components/Input/index.tsx b/src/components/Input/index.tsx
index f7116ce..dad1daa 100644
--- a/src/components/Input/index.tsx
+++ b/src/components/Input/index.tsx
@@ -1,27 +1,50 @@
 import * as React from 'react'
 import { BaseComponentProps } from '@models/BaseProps'
-// import classnames from 'classnames'
+import classnames from 'classnames'
 import './style.scss'
 
 interface InputProps extends BaseComponentProps {
     value?: string | number
     disabled?: boolean
+    align?: 'left' | 'center' | 'right'
+    inside?: boolean
+    autoFocus?: boolean
     onChange?: (value: string, event?: React.ChangeEvent<HTMLInputElement>) => void
+    onBlur?: (event?: React.FocusEvent<HTMLInputElement>) => void
 }
 
 export class Input extends React.Component<InputProps, {}> {
     static defaultProps: InputProps = {
         value: '',
         disabled: false,
-        onChange: () => {}
+        align: 'center',
+        inside: false,
+        autoFocus: false,
+        onChange: () => {},
+        onBlur: () => {}
     }
 
     render () {
-        const { onChange, value } = this.props
+        const {
+            className,
+            style,
+            value,
+            align,
+            inside,
+            autoFocus,
+            onChange,
+            onBlur
+        } = this.props
+
         return (
-            <input className="input" onChange={(event) => {
-                onChange(event.target.value, event)
-            }} value={value} ></input>
+            <input
+                className={classnames('input', `input-align-${align}`, { 'input-inside': inside }, className)}
+                style={style}
+                value={value}
+                autoFocus={autoFocus}
+                onChange={event => onChange(event.target.value, event)}
+                onBlur={onBlur}
+            />
         )
     }
 }
diff --git a/src/components/Input/style.scss b/src/components/Input/style.scss
index ab23239..394a87a 100644
--- a/src/components/Input/style.scss
+++ b/src/components/Input/style.scss
@@ -1,21 +1,41 @@
 @import '~@styles/variables';
 
+$height: 30px;
+
 .input {
     display: inline-block;
-    height: 30px;
+    height: $height;
     width: 100%;
-    border-radius: 3px;
-    border: 1px solid $color-primary-lightly;
-    padding: 4px 11px;
+    padding: 0 10px;
     font-size: 14px;
     color: $color-primary-darken;
-    text-align: center;
-    line-height: 1.5;
+    border-radius: 3px;
+    border: 1px solid $color-primary-lightly;
+    line-height: $height;
     transition: all 0.3s;
 
     &:focus {
         outline: 0;
         border-color: $color-primary;
+        color: $color-primary-dark;
         box-shadow: 0 2px 5px rgba($color: $color-primary, $alpha: 0.5);
     }
 }
+
+.input-align-left {
+    text-align: left;
+}
+
+.input-align-center {
+    text-align: center;
+}
+
+.input-align-right {
+    text-align: right;
+}
+
+.input-inside {
+    &:focus {
+        box-shadow: none;
+    }
+}
diff --git a/src/components/Row/style.scss b/src/components/Row/style.scss
index 8611822..49221a4 100644
--- a/src/components/Row/style.scss
+++ b/src/components/Row/style.scss
@@ -16,6 +16,7 @@ $padding: 12px;
         .column {
             padding: 0 $padding / 2;
             display: flex;
+            flex-shrink: 0;
         }
 
         @for $c from 1 through 24 {
diff --git a/src/components/Select/index.tsx b/src/components/Select/index.tsx
new file mode 100644
index 0000000..60f9f0d
--- /dev/null
+++ b/src/components/Select/index.tsx
@@ -0,0 +1,166 @@
+import * as React from 'react'
+import classnames from 'classnames'
+import { Icon } from '@components'
+import { BaseComponentProps } from '@models'
+import { createPortal } from 'react-dom'
+import './style.scss'
+
+type OptionValue = string | number
+
+interface SelectProps extends BaseComponentProps {
+    /**
+     * selected value
+     * must match one of options
+     */
+    value: OptionValue
+
+    onSelect?: (value: OptionValue, e: React.MouseEvent<HTMLLIElement>) => void
+}
+
+interface SelectState {
+    dropdownListStyles: React.CSSProperties
+    showDropDownList: boolean
+}
+
+export class Select extends React.Component<SelectProps, SelectState> {
+
+    // portal container
+    $container: Element
+
+    // drop down list
+    $attachment = React.createRef<HTMLDivElement>()
+
+    // target position element
+    $target = React.createRef<HTMLDivElement>()
+
+    state = {
+        dropdownListStyles: {},
+        showDropDownList: false
+    }
+
+    constructor (props) {
+        super(props)
+
+        // create container element
+        const container = document.createElement('div')
+        document.body.appendChild(container)
+        this.$container = container
+
+        document.addEventListener('click', this.handleGlobalClick, true)
+    }
+
+    componentDidMount () {
+        this.setState({ dropdownListStyles: this.calculateAttachmentPosition() })
+    }
+
+    componentWillUnmount () {
+        document.body.removeChild(this.$container)
+        document.removeEventListener('click', this.handleGlobalClick, true)
+    }
+
+    private handleGlobalClick = (e) => {
+        const el = this.$attachment.current
+
+        if (el && !el.contains(e.target)) {
+            this.setState({ showDropDownList: false })
+        }
+    }
+
+    private calculateAttachmentPosition () {
+        const targetRectInfo = this.$target.current.getBoundingClientRect()
+
+        return {
+            top: Math.floor(targetRectInfo.top) - 10,
+            left: Math.floor(targetRectInfo.left) - 10,
+            width: Math.floor(targetRectInfo.width)
+        }
+    }
+
+    private getSelectedOption = (value: OptionValue, children: React.ReactNode) => {
+        let matchChild: React.ReactElement<any> = null
+
+        React.Children.forEach(children, (child: React.ReactElement<any>) => {
+            if (child.props && child.props.value === value) {
+                matchChild = child
+            }
+        })
+
+        return matchChild
+    }
+
+    private hookChildren = (
+        children: React.ReactNode,
+        value: OptionValue,
+        onSelect: SelectProps['onSelect']
+    ) => {
+        return React.Children.map(children, (child: React.ReactElement<any>) => {
+            if (!child.props || !child.type) {
+                return child
+            }
+
+            // add classname for selected option
+            const className = child.props.value === value
+                ? classnames(child.props.className, 'selected')
+                : child.props.className
+
+            // hook element onclick event
+            const rawOnClickEvent = child.props.onClick
+            return React.cloneElement(child, Object.assign({}, child.props, {
+                onClick: (e: React.MouseEvent<HTMLLIElement>) => {
+                    onSelect(child.props.value, e)
+                    this.setState({ showDropDownList: false })
+                    rawOnClickEvent && rawOnClickEvent(e)
+                },
+                className
+            }))
+        })
+    }
+
+    render () {
+        const { value, onSelect, children, className: cn, style } = this.props
+        const { dropdownListStyles, showDropDownList } = this.state
+        const matchChild = this.getSelectedOption(value, children)
+        const dropDownList = (
+            <div
+                className={classnames('select-list', { 'select-list-show': showDropDownList })}
+                ref={this.$attachment}
+                style={dropdownListStyles}
+            >
+                <ul className="list">
+                    {this.hookChildren(children, value, onSelect)}
+                </ul>
+            </div>
+        )
+
+        return <>
+            <div
+                className={classnames('select', cn)}
+                style={style}
+                ref={this.$target}
+                onClick={() => this.setState({ showDropDownList: !showDropDownList })}
+            >
+                {matchChild.props.children}
+                <Icon type="triangle-down" />
+            </div>
+            {createPortal(dropDownList, this.$container)}
+        </>
+    }
+}
+
+interface OptionProps extends BaseComponentProps {
+    key: React.Key
+    value: OptionValue
+    disabled?: boolean
+    onClick?: (e: React.MouseEvent<HTMLLIElement>) => void
+}
+
+export class Option extends React.Component<OptionProps, {}> {
+    render () {
+        const { className: cn, style, key, disabled = false, children, onClick = () => {} } = this.props
+        const className = classnames('option', { disabled }, cn)
+
+        return (
+            <li className={className} style={style} key={key} onClick={onClick}>{children}</li>
+        )
+    }
+}
diff --git a/src/components/Select/style.scss b/src/components/Select/style.scss
new file mode 100644
index 0000000..7085cd0
--- /dev/null
+++ b/src/components/Select/style.scss
@@ -0,0 +1,65 @@
+@import '~@styles/variables';
+
+.select {
+    flex: 1;
+    cursor: pointer;
+    font-size: 14px;
+    line-height: 30px;
+    color: $color-primary-darken;
+    display: flex;
+    overflow: hidden;
+
+    > i {
+        margin-left: 5px;
+        color: $color-primary-darken;
+    }
+}
+
+.select-list {
+    position: fixed;
+    max-width: 170px;
+    border-radius: 4px;
+    overflow: hidden;
+    box-shadow: 0 2px 5px rgba($color: $color-gray-dark, $alpha: 0.5);
+    opacity: 0.8;
+    pointer-events: none;
+    transform: scaleY(0);
+    transform-origin: top;
+    transition: all 200ms linear;
+
+    .list {
+        max-height: 300px;
+        overflow: auto;
+        background: $color-white;
+        padding: 5px 0;
+        transform: scaleY(2);
+        transform-origin: top;
+        transition: all 200ms linear;
+
+        > .option {
+            color: $color-primary-darken;
+            padding: 10px 15px;
+            font-size: 14px;
+            list-style: none;
+            cursor: pointer;
+
+            &:hover {
+                background: rgba($color: $color-primary-lightly, $alpha: 0.5);
+            }
+        }
+
+        > .selected {
+            background: rgba($color: $color-primary-lightly, $alpha: 0.5);
+        }
+    }
+}
+
+.select-list-show {
+    opacity: 1;
+    pointer-events: visible;
+    transform: scaleY(1);
+
+    .list {
+        transform: scaleY(1);
+    }
+}
diff --git a/src/components/Switch/style.scss b/src/components/Switch/style.scss
index 5d95e76..fc6c910 100644
--- a/src/components/Switch/style.scss
+++ b/src/components/Switch/style.scss
@@ -24,10 +24,12 @@ $width: 32px;
     }
 
     &.disabled {
+        cursor: not-allowed;
         background-color: $color-gray-dark;
 
         &::after {
             background-color: #f6f6f6;
+            box-shadow: 0 0 8px rgba($color-gray-darken, 0.5);
         }
     }
 
diff --git a/src/components/index.ts b/src/components/index.ts
index 8d504d9..ec567de 100644
--- a/src/components/index.ts
+++ b/src/components/index.ts
@@ -7,3 +7,4 @@ export * from './Col'
 export * from './ButtonSelect'
 export * from './Tags'
 export * from './Input'
+export * from './Select'
diff --git a/src/containers/Rules/index.tsx b/src/containers/Rules/index.tsx
index 2f613f1..bad95e0 100644
--- a/src/containers/Rules/index.tsx
+++ b/src/containers/Rules/index.tsx
@@ -1,15 +1,184 @@
 import * as React from 'react'
-import { Header } from '@components'
+import produce from 'immer'
 import { translate } from 'react-i18next'
-import { I18nProps } from '@models'
+import { SortableContainer, SortableElement, SortableHandle, arrayMove } from 'react-sortable-hoc'
+import { Header, Icon, Card, Row, Col, Select, Option, Input } from '@components'
+import { I18nProps, RuleType } from '@models'
+import './style.scss'
+
+interface Rule {
+    type: RuleType
+    payload: string
+    proxy: string
+}
+
+interface RulesState {
+    rules: Rule[]
+    proxies: { [key: string]: { type: string } }
+    modifiedIndex: number
+}
+
+class Rules extends React.Component<I18nProps, RulesState> {
+
+    state = {
+        rules: [
+            { type: RuleType['DOMAIN-SUFFIX'], payload: 'google.com.hk', proxy: 'HK' },
+            { type: RuleType['DOMAIN-SUFFIX'], payload: 'twitter.com', proxy: 'HKG' },
+            { type: RuleType['DOMAIN'], payload: 'pornhub.com', proxy: 'HKG' },
+            { type: RuleType['FINAL'], payload: '', proxy: 'DIRECT' }
+        ],
+        proxies: {
+            DIRECT: { type: 'Direct' },
+            GLOBAL: { type: 'Selector' },
+            HKG: { type: 'URLTest' },
+            HK: { type: 'Shadowsocks' },
+            SGGGGGGGGGG: { type: 'Vmess' },
+            REJECT: { type: 'Reject' }
+        },
+        modifiedIndex: -1
+    }
+
+    private handleModifyType = (index, type) => {
+        const { rules } = this.state
+
+        this.setState({
+            rules: produce(rules, draftState => {
+                draftState[index].type = type
+            })
+        })
+    }
+
+    private handleModifyPayload = (index, payload) => {
+        const { rules } = this.state
+
+        this.setState({
+            rules: produce(rules, draftState => {
+                draftState[index].payload = payload
+            })
+        })
+    }
+
+    private handleModifyProxy = (index, proxy) => {
+        const { rules } = this.state
+
+        this.setState({
+            rules: produce(rules, draftState => {
+                draftState[index].proxy = proxy
+            })
+        })
+    }
+
+    onSortEnd = ({ oldIndex, newIndex }) => {
+        this.setState({
+            rules: arrayMove(this.state.rules, oldIndex, newIndex)
+        })
+    }
+
+    renderRules = ({ rules }) => {
+        const SortableItem = SortableElement<{ rule: Rule, idx: number }>(itemProps => {
+            const { rule, idx } = itemProps
+            return this.renderRuleItem(rule, idx)
+        })
+
+        return <ul>
+            {
+                rules.map((rule: Rule, idx: number) => {
+                    const isFinal = rule.type === 'FINAL'
+                    return <SortableItem key={idx} index={idx} idx={idx} rule={rule} disabled={isFinal} />
+                })
+            }
+        </ul>
+    }
+
+    renderRuleItem = (rule: Rule, index) => {
+        const { modifiedIndex, proxies } = this.state
+        const isFinal = rule.type === 'FINAL'
+        const DragHandle = SortableHandle(() => <Icon type="drag" size={16} />)
+
+        return (
+            <li className="rule-item" key={index}>
+                <Row className="rule-item-row" gutter={24} align="middle">
+                    <Col className="drag-handler" span={1}>
+                        {!isFinal && <DragHandle />}
+                    </Col>
+                    <Col className="rule-type" span={5}>
+                        {
+                            isFinal
+                                ? rule.type
+                                : (
+                                    <Select value={rule.type} onSelect={type => this.handleModifyType(index, type)}>
+                                        {
+                                            Object.keys(RuleType)
+                                                .filter(type => type !== 'FINAL')
+                                                .map(typeName => {
+                                                    const type = RuleType[typeName]
+                                                    return (
+                                                        <Option value={type} key={type}>{type}</Option>
+                                                    )
+                                                })
+                                        }
+                                    </Select>
+                                )
+                        }
+                    </Col>
+                    <Col className="payload" span={8}>
+                        {
+                            modifiedIndex === index
+                            ? (
+                                <Input
+                                    value={rule.payload}
+                                    align="left"
+                                    inside={true}
+                                    autoFocus={true}
+                                    onChange={ value => this.handleModifyPayload(index, value) }
+                                    onBlur={() => this.setState({ modifiedIndex: -1 })}
+                                    style={{ maxWidth: 230 }}
+                                />
+                            )
+                            : <span onClick={() => this.setState({
+                                modifiedIndex: index
+                            })}>{rule.payload}</span>
+                        }
+                    </Col>
+                    <Col className="rule-proxy" span={5}>
+                        <Select className="rule-proxy-option" value={rule.proxy} onSelect={proxy => this.handleModifyProxy(index, proxy)}>
+                            {
+                                Object.keys(proxies).map(proxyName => {
+                                    const proxy = proxies[proxyName]
+                                    return (
+                                        <Option className="rule-proxy-option" value={proxyName} key={`${proxyName}-${proxy.type}`}>
+                                            <span className="label">{proxy.type}</span>
+                                            <span className="value">{proxyName}</span>
+                                        </Option>
+                                    )
+                                })
+                            }
+                        </Select>
+                    </Col>
+                    <Col className="delete-btn" span={2} offset={3}>
+                        {!isFinal && <span>删除</span>}
+                    </Col>
+                </Row>
+            </li>
+        )
+    }
 
-class Rules extends React.Component<I18nProps, {}> {
     render () {
         const { t } = this.props
+        const { rules } = this.state
+        const SortableList = SortableContainer<{ rules: Rule[] }>(this.renderRules)
 
         return (
             <div className="page">
-                <Header title={t('title')} />
+                <Header title={t('title')} >
+                    <Icon type="plus" size={20} style={{ fontWeight: 'bold', cursor: 'pointer' }} />
+                </Header>
+
+                <Card className="rules-card">
+                    <div className="rules">
+                        <SortableList rules={rules} onSortEnd={this.onSortEnd} useDragHandle={true} />
+                    </div>
+                </Card>
             </div>
         )
     }
diff --git a/src/containers/Rules/style.scss b/src/containers/Rules/style.scss
new file mode 100644
index 0000000..03c783a
--- /dev/null
+++ b/src/containers/Rules/style.scss
@@ -0,0 +1,96 @@
+@import '~@styles/variables';
+
+.rules-card {
+    margin-top: 25px;
+    padding: 0;
+}
+
+.rule-item {
+    line-height: 30px;
+    padding: 5px 0;
+    list-style: none;
+    user-select: none;
+    border-bottom: 1px solid rgba($color: $color-primary-lightly, $alpha: 0.5);
+
+    .rule-item-row {
+        padding: 5px 0;
+    }
+
+    .drag-handler {
+        cursor: row-resize;
+        margin: 0 10px;
+        display: flex;
+        justify-content: center;
+
+        > i {
+            font-weight: bold;
+            color: $color-gray-dark;
+        }
+    }
+
+    .rule-type {
+        font-size: 14px;
+        color: $color-primary-darken;
+
+        > i {
+            margin-left: 5px;
+            color: $color-primary-darken;
+        }
+    }
+
+    .payload {
+        font-size: 14px;
+        color: $color-primary-darken;
+        cursor: pointer;
+    }
+
+    .rule-proxy {
+        font-size: 14px;
+        color: $color-primary-darken;
+    }
+
+    .delete-btn {
+        opacity: 0;
+        transition: all 300ms ease;
+
+        span {
+            font-size: 14px;
+            color: $color-red;
+            cursor: pointer;
+        }
+    }
+
+    &:last-child {
+        border-bottom: none;
+    }
+
+    &:hover {
+        .delete-btn {
+            opacity: 1;
+        }
+    }
+}
+
+.rule-proxy-option {
+    display: flex;
+    align-items: center;
+    overflow: hidden;
+
+    .label {
+        margin-right: 5px;
+        height: 20px;
+        line-height: 20px;
+        padding: 0 8px;
+        font-size: 10px;
+        border-radius: 10px;
+        color: $color-white;
+        background: $color-gray-dark;
+    }
+
+    .value {
+        line-height: 20px;
+        overflow: hidden;
+        text-overflow: ellipsis;
+        white-space: nowrap;
+    }
+}
diff --git a/src/models/Rule.ts b/src/models/Rule.ts
index c577670..4779306 100644
--- a/src/models/Rule.ts
+++ b/src/models/Rule.ts
@@ -1,9 +1,17 @@
 export interface Rule {
 
-    type?: 'DOMAIN' | 'DOMAIN-SUFFIX' | 'DOMAIN-KEYWORD' | 'DOMAIN-SUFFIX' | 'GEOIP' | 'FINAL'
+    type?: RuleType
 
     value?: string
 
     use?: string   // proxy or proxy group name
 
 }
+
+export enum RuleType {
+    DOMAIN = 'DOMAIN',
+    'DOMAIN-SUFFIX' = 'DOMAIN-SUFFIX',
+    'DOMAIN-KEYWORD' = 'DOMAIN-KEYWORD',
+    'GEOIP' = 'GEOIP',
+    'FINAL' = 'FINAL'
+}
diff --git a/src/styles/common.scss b/src/styles/common.scss
index 6e82100..e45b5dc 100644
--- a/src/styles/common.scss
+++ b/src/styles/common.scss
@@ -18,12 +18,12 @@ html {
 body {
     margin: 0;
     padding: 0;
+    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
 }
 
 .app {
     display: flex;
     min-height: 100vh;
-    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
 }
 
 .app.clash-x {