diff --git a/src/components/Button.tsx b/src/components/Button.tsx
index 372038f..97bb141 100644
--- a/src/components/Button.tsx
+++ b/src/components/Button.tsx
@@ -10,7 +10,7 @@ type ButtonInternalProps = {
   children?: React.ReactNode;
   label?: string;
   text?: string;
-  start?: React.ReactElement | (() => React.ReactElement);
+  start?: React.ReactNode | (() => React.ReactNode);
 };
 
 type ButtonProps = {
diff --git a/src/components/Config.module.css b/src/components/Config.module.css
deleted file mode 100644
index 1f71765..0000000
--- a/src/components/Config.module.css
+++ /dev/null
@@ -1,34 +0,0 @@
-.root {
-  > div {
-    min-width: 345px;
-    @media (--breakpoint-not-small) {
-      width: 360px;
-    }
-  }
-}
-
-.root,
-.section {
-  padding: 6px 15px 15px;
-  @media (--breakpoint-not-small) {
-    padding: 0 40px 40px;
-  }
-}
-
-.sep {
-  padding: 0 15px;
-  @media (--breakpoint-not-small) {
-    padding: 0 40px;
-  }
-  > div {
-    border-top: 1px dashed #373737;
-  }
-}
-
-.label {
-  padding: 16px 0;
-}
-
-.narrow {
-  width: 360px;
-}
diff --git a/src/components/Config.module.scss b/src/components/Config.module.scss
new file mode 100644
index 0000000..49e2a4a
--- /dev/null
+++ b/src/components/Config.module.scss
@@ -0,0 +1,39 @@
+.root,
+.section {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(345px, 1fr));
+  max-width: 900px;
+  gap: 5px;
+  @media (--breakpoint-not-small) {
+    gap: 15px;
+  }
+}
+
+.root,
+.section {
+  padding: 6px 15px 10px;
+  @media (--breakpoint-not-small) {
+    padding: 10px 40px 15px;
+  }
+}
+
+.wrapSwitch {
+  height: 40px;
+  display: flex;
+  align-items: center;
+}
+
+.sep {
+  max-width: 900px;
+  padding: 0 15px;
+  @media (--breakpoint-not-small) {
+    padding: 0 40px;
+  }
+  > div {
+    border-top: 1px dashed #373737;
+  }
+}
+
+.label {
+  padding: 11px 0;
+}
diff --git a/src/components/Config.tsx b/src/components/Config.tsx
index 4659e16..8c0678c 100644
--- a/src/components/Config.tsx
+++ b/src/components/Config.tsx
@@ -1,4 +1,5 @@
 import * as React from 'react';
+import { LogOut } from 'react-feather';
 import { useTranslation } from 'react-i18next';
 import Select from 'src/components/shared/Select';
 import { ClashGeneralConfig, DispatchFn, State } from 'src/store/types';
@@ -12,55 +13,25 @@ import {
 import { fetchConfigs, getConfigs, updateConfigs } from '../store/configs';
 import { openModal } from '../store/modals';
 import Button from './Button';
-import s0 from './Config.module.css';
+import s0 from './Config.module.scss';
 import ContentHeader from './ContentHeader';
 import Input, { SelfControlledInput } from './Input';
 import { Selection2 } from './Selection';
 import { connect, useStoreActions } from './StateProvider';
 import Switch from './SwitchThemed';
-import ToggleSwitch from './ToggleSwitch';
 import TrafficChartSample from './TrafficChartSample';
+// import ToggleSwitch from './ToggleSwitch';
 
 const { useEffect, useState, useCallback, useRef, useMemo } = React;
 
 const propsList = [{ id: 0 }, { id: 1 }, { id: 2 }, { id: 3 }];
 
-const optionsRule = [
-  {
-    label: 'Global',
-    value: 'Global',
-  },
-  {
-    label: 'Rule',
-    value: 'Rule',
-  },
-  {
-    label: 'Direct',
-    value: 'Direct',
-  },
-];
-
-const optionsLogLevel = [
-  {
-    label: 'Debug',
-    value: 'debug',
-  },
-  {
-    label: 'Warning',
-    value: 'warning',
-  },
-  {
-    label: 'Info',
-    value: 'info',
-  },
-  {
-    label: 'Error',
-    value: 'error',
-  },
-  {
-    label: 'Silent',
-    value: 'silent',
-  },
+const logLeveOptions = [
+  ['debug', 'Debug'],
+  ['warning', 'Warning'],
+  ['info', 'Info'],
+  ['error', 'Error'],
+  ['silent', 'Silent'],
 ];
 
 const portFields = [
@@ -75,6 +46,12 @@ const langOptions = [
   ['en', 'English'],
 ];
 
+const modeOptions = [
+  ['Global', 'Global'],
+  ['Rule', 'Rule'],
+  ['Direct', 'Direct'],
+];
+
 const mapState = (s: State) => ({
   configs: getConfigs(s),
   apiConfig: getClashAPIConfig(s),
@@ -144,12 +121,9 @@ function ConfigImpl({
     [apiConfig, dispatch, setConfigState]
   );
 
-  const handleInputOnChange = useCallback(
-    (e) => {
-      const target = e.target;
-      const { name } = target;
-      const { value } = target;
-      switch (target.name) {
+  const handleChangeValue = useCallback(
+    ({ name, value }) => {
+      switch (name) {
         case 'mode':
         case 'log-level':
           setConfigState(name, value);
@@ -159,8 +133,8 @@ function ConfigImpl({
         case 'socks-port':
         case 'mixed-port':
         case 'port':
-          if (target.value !== '') {
-            const num = parseInt(target.value, 10);
+          if (value !== '') {
+            const num = parseInt(value, 10);
             if (num < 0 || num > 65535) return;
           }
           setConfigState(name, value);
@@ -172,6 +146,11 @@ function ConfigImpl({
     [apiConfig, dispatch, setConfigState]
   );
 
+  const handleInputOnChange = useCallback(
+    (e) => handleChangeValue(e.target),
+    [handleChangeValue]
+  );
+
   const { selectChartStyleIndex, updateAppConfig } = useStoreActions();
 
   const handleInputOnBlur = useCallback(
@@ -224,34 +203,39 @@ function ConfigImpl({
             </div>
           ) : null
         )}
-        <div>
-          <div className={s0.label}>Allow LAN</div>
-          <Switch
-            name="allow-lan"
-            checked={configState['allow-lan']}
-            onChange={handleSwitchOnChange}
-          />
-        </div>
 
         <div>
           <div className={s0.label}>Mode</div>
-          <ToggleSwitch
-            options={optionsRule}
-            name="mode"
-            value={mode}
-            onChange={handleInputOnChange}
+          <Select
+            options={modeOptions}
+            selected={mode}
+            onChange={(e) =>
+              handleChangeValue({ name: 'mode', value: e.target.value })
+            }
           />
         </div>
 
         <div>
           <div className={s0.label}>Log Level</div>
-          <ToggleSwitch
-            options={optionsLogLevel}
-            name="log-level"
-            value={configState['log-level']}
-            onChange={handleInputOnChange}
+          <Select
+            options={logLeveOptions}
+            selected={configState['log-level']}
+            onChange={(e) =>
+              handleChangeValue({ name: 'log-level', value: e.target.value })
+            }
           />
         </div>
+
+        <div>
+          <div className={s0.label}>Allow LAN</div>
+          <div className={s0.wrapSwitch}>
+            <Switch
+              name="allow-lan"
+              checked={configState['allow-lan']}
+              onChange={handleSwitchOnChange}
+            />
+          </div>
+        </div>
       </div>
 
       <div className={s0.sep}>
@@ -260,15 +244,6 @@ function ConfigImpl({
 
       <div className={s0.section}>
         <div>
-          <div className={s0.label}>{t('chart_style')}</div>
-          <Selection2
-            OptionComponent={TrafficChartSample}
-            optionPropsList={propsList}
-            selectedIndex={selectedChartStyleIndex}
-            onChange={selectChartStyleIndex}
-          />
-        </div>
-        <div className={s0.narrow}>
           <div className={s0.label}>{t('latency_test_url')}</div>
           <SelfControlledInput
             name="latencyTestUrl"
@@ -277,13 +252,9 @@ function ConfigImpl({
             onBlur={handleInputOnBlur}
           />
         </div>
-        <div>
-          <div className={s0.label}>Action</div>
-          <Button label="Switch backend" onClick={openAPIConfigModal} />
-        </div>
         <div>
           <div className={s0.label}>{t('lang')}</div>
-          <div className={s0.narrow}>
+          <div>
             <Select
               options={langOptions}
               selected={i18n.language}
@@ -291,6 +262,25 @@ function ConfigImpl({
             />
           </div>
         </div>
+
+        <div>
+          <div className={s0.label}>{t('chart_style')}</div>
+          <Selection2
+            OptionComponent={TrafficChartSample}
+            optionPropsList={propsList}
+            selectedIndex={selectedChartStyleIndex}
+            onChange={selectChartStyleIndex}
+          />
+        </div>
+
+        <div>
+          <div className={s0.label}>Action</div>
+          <Button
+            start={<LogOut size={16} />}
+            label="Switch backend"
+            onClick={openAPIConfigModal}
+          />
+        </div>
       </div>
     </div>
   );
diff --git a/src/components/Input.module.css b/src/components/Input.module.css
index e63bf79..4ca42fa 100644
--- a/src/components/Input.module.css
+++ b/src/components/Input.module.css
@@ -5,7 +5,7 @@
   border-radius: 4px;
   border: 1px solid var(--color-input-border);
   box-sizing: border-box;
-  color: #c1c1c1;
+  color: inherit;
   display: inline-block;
   font-size: inherit;
   height: 40px;
@@ -13,6 +13,7 @@
   padding: 0 15px;
   width: 100%;
 }
+
 .input:focus {
   box-shadow: rgba(66, 153, 225, 0.6) 0px 0px 0px 3px;
 }
diff --git a/src/components/Input.tsx b/src/components/Input.tsx
index a6c44bd..6cfc50e 100644
--- a/src/components/Input.tsx
+++ b/src/components/Input.tsx
@@ -26,9 +26,10 @@ export function SelfControlledInput({ value, ...restProps }) {
     }
     refValue.current = value;
   }, [value]);
-  const onChange = useCallback((e) => setInternalValue(e.target.value), [
-    setInternalValue,
-  ]);
+  const onChange = useCallback(
+    (e) => setInternalValue(e.target.value),
+    [setInternalValue]
+  );
 
   return (
     <input
diff --git a/src/components/TrafficChartSample.tsx b/src/components/TrafficChartSample.tsx
index 0723505..fb9b2ee 100644
--- a/src/components/TrafficChartSample.tsx
+++ b/src/components/TrafficChartSample.tsx
@@ -47,12 +47,7 @@ export default function TrafficChart({ id }) {
   useLineChart(Chart, eleId, data, null, extraChartOptions);
 
   return (
-    <div
-      style={{
-        width: 130,
-        padding: 5,
-      }}
-    >
+    <div style={{ width: 100, padding: 5 }}>
       <canvas id={eleId} />
     </div>
   );
diff --git a/src/components/shared/Select.module.css b/src/components/shared/Select.module.css
index 2f21663..9e1a20c 100644
--- a/src/components/shared/Select.module.css
+++ b/src/components/shared/Select.module.css
@@ -9,9 +9,8 @@
   padding-right: 20px;
   border-radius: 4px;
   border: 1px solid var(--color-input-border);
-  transition: all 100ms ease 0s;
   background-image: url(data:image/svg+xml,%0A%20%20%20%20%3Csvg%20width%3D%228%22%20height%3D%2224%22%20viewBox%3D%220%200%208%2024%22%20fill%3D%22none%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%0A%20%20%20%20%20%20%3Cpath%20d%3D%22M4%207L7%2011H1L4%207Z%22%20fill%3D%22%23999999%22%20%2F%3E%0A%20%20%20%20%20%20%3Cpath%20d%3D%22M4%2017L1%2013L7%2013L4%2017Z%22%20fill%3D%22%23999999%22%20%2F%3E%0A%20%20%20%20%3C%2Fsvg%3E%0A%20%20);
-  background-position: calc(100% - 8px) center;
+  background-position: right 8px center;
   background-repeat: no-repeat;
 }
 
diff --git a/src/custom.d.ts b/src/custom.d.ts
index 86d348f..8e12742 100644
--- a/src/custom.d.ts
+++ b/src/custom.d.ts
@@ -6,6 +6,10 @@ declare module '*.module.css' {
   const classes: { [key: string]: string };
   export default classes;
 }
+declare module '*.module.scss' {
+  const classes: { [key: string]: string };
+  export default classes;
+}
 
 interface Window {
   i18n: any;