diff --git a/src/assets/styles.scss b/src/assets/styles.scss
new file mode 100644
index 0000000..3a6579c
--- /dev/null
+++ b/src/assets/styles.scss
@@ -0,0 +1,9 @@
+@import '~vuetify/src/styles/styles.sass';
+
+@mixin dialog-title {
+  @include theme(v-card) using($material) {
+    .v-card__title {
+      background-color: map-get($material, 'app-bar');
+    }
+  }
+}
diff --git a/src/components/AddForm.vue b/src/components/AddForm.vue
index 762e28f..f6ac011 100644
--- a/src/components/AddForm.vue
+++ b/src/components/AddForm.vue
@@ -19,9 +19,7 @@
       width="40em"
     >
       <v-card>
-        <v-card-title
-          class="headline grey lighten-4"
-        >
+        <v-card-title class="headline">
           <v-icon class="mr-2">mdi-link-plus</v-icon>
           <span>{{ $t('title.add_torrents') }}</span>
         </v-card-title>
@@ -337,6 +335,10 @@ export default class AddForm extends Vue {
 </script>
 
 <style lang="scss" scoped>
+@import '~@/assets/styles.scss';
+
+@include dialog-title;
+
 .btn-add.with-footer {
   margin-bottom: 36px;
 }
diff --git a/src/components/MainToolbar.vue b/src/components/MainToolbar.vue
index 11e6cb8..1c7d8b2 100644
--- a/src/components/MainToolbar.vue
+++ b/src/components/MainToolbar.vue
@@ -35,6 +35,12 @@
       :value="searchQuery"
     />
     <v-spacer v-if="!phoneLayout" />
+    <v-btn
+      icon
+      @click="toggleDarkMode"
+    >
+      <v-icon v-text="darkModeIcon" />
+    </v-btn>
     <v-select
       v-show="!searchBarExpanded"
       class="locales"
@@ -54,7 +60,7 @@ import Vue from 'vue';
 import { mapMutations } from 'vuex';
 
 import i18n, { tr, translations, defaultLocale } from '@/locale';
-import { DialogType, DialogConfig, SnackBarConfig } from '@/store/types';
+import { DialogType, DialogConfig, SnackBarConfig, ConfigPayload } from '@/store/types';
 import Component from 'vue-class-component';
 import { Prop, Emit, Watch } from 'vue-property-decorator';
 
@@ -63,6 +69,7 @@ import { Prop, Emit, Watch } from 'vue-property-decorator';
     ...mapMutations([
       'showDialog',
       'showSnackBar',
+      'updateConfig',
     ]),
   },
 })
@@ -72,12 +79,17 @@ export default class MainToolbar extends Vue {
 
   showDialog!: (_: DialogConfig) => void
   showSnackBar!: (_: SnackBarConfig) => void
+  updateConfig!: (_: ConfigPayload) => void
 
   locales = this.buildLocales()
   currentLocale = i18n.locale()
   oldLocale = this.currentLocale
   focusedSearch = false
 
+  get darkModeIcon() {
+    return this.$vuetify.theme.dark ? 'mdi-brightness-4' : 'mdi-brightness-6';
+  }
+
   get searchQuery() {
     return this.$store.getters.config.filter.query;
   }
@@ -115,7 +127,7 @@ export default class MainToolbar extends Vue {
   onSearch = throttle(async (v: string) => {
     // avoid hang input
     await this.$nextTick();
-    this.$store.commit('updateConfig', {
+    this.updateConfig({
       key: 'filter',
       value: {
         query: v,
@@ -156,6 +168,16 @@ export default class MainToolbar extends Vue {
     location.reload();
   }
 
+  toggleDarkMode() {
+    const { theme } = this.$vuetify;
+    theme.dark = !theme.dark;
+
+    this.updateConfig({
+      key: 'darkMode',
+      value: theme.dark,
+    });
+  }
+
   @Watch('currentLocale')
   onCurrentLocaleChanged(v: keyof typeof translations) {
     this.switchLocale(v)
diff --git a/src/components/Torrents.vue b/src/components/Torrents.vue
index 6c3fdf8..e880987 100644
--- a/src/components/Torrents.vue
+++ b/src/components/Torrents.vue
@@ -543,6 +543,8 @@ export default class Torrents extends Vue {
 </script>
 
 <style lang="scss" scoped>
+@import '~@/assets/styles.scss';
+
 .toolbar {
   display: flex;
   margin-left: 2px;
@@ -559,7 +561,7 @@ export default class Torrents extends Vue {
   flex: 1;
   position: relative;
 
-  .v-data-table {
+  @include theme(v-data-table) using ($material) {
     position: absolute;
     width: 100%;
     height: 100%;
@@ -583,7 +585,7 @@ export default class Torrents extends Vue {
     }
 
     tr:nth-child(2n) {
-      background-color: #eee;
+      background-color: map-deep-get($material, 'table', 'hover');
     }
 
     td {
diff --git a/src/components/dialogs/ConfirmDeleteDialog.vue b/src/components/dialogs/ConfirmDeleteDialog.vue
index 53d0636..f09d59d 100644
--- a/src/components/dialogs/ConfirmDeleteDialog.vue
+++ b/src/components/dialogs/ConfirmDeleteDialog.vue
@@ -6,9 +6,7 @@
     width="40em"
   >
     <v-card>
-      <v-card-title
-        class="headline grey lighten-4"
-      >
+      <v-card-title class="headline">
         <v-icon class="mr-2">mdi-delete</v-icon>
         <span>{{ $t('title.delete_torrents') }}</span>
       </v-card-title>
@@ -121,6 +119,10 @@ export default class ConfirmDeleteDialog extends Vue {
 </script>
 
 <style lang="scss" scoped>
+@import '~@/assets/styles.scss';
+
+@include dialog-title;
+
 .torrents {
   overflow: auto;
 }
diff --git a/src/components/dialogs/ConfirmSetCategoryDialog.vue b/src/components/dialogs/ConfirmSetCategoryDialog.vue
index 64641aa..0f1106c 100644
--- a/src/components/dialogs/ConfirmSetCategoryDialog.vue
+++ b/src/components/dialogs/ConfirmSetCategoryDialog.vue
@@ -6,9 +6,7 @@
     width="40em"
   >
     <v-card>
-      <v-card-title
-        class="headline grey lighten-4"
-      >
+      <v-card-title class="headline">
         <v-icon class="mr-2">mdi-folder</v-icon>
         <span>{{ $t('title.set_category') }}</span>
       </v-card-title>
@@ -122,6 +120,10 @@ export default class ConfirmSetCategoryDialog extends Vue {
 </script>
 
 <style lang="scss" scoped>
+@import '~@/assets/styles.scss';
+
+@include dialog-title;
+
 .torrents {
   overflow: auto;
 }
diff --git a/src/components/dialogs/EditTrackerDialog.vue b/src/components/dialogs/EditTrackerDialog.vue
index 3899db3..13a1bdb 100644
--- a/src/components/dialogs/EditTrackerDialog.vue
+++ b/src/components/dialogs/EditTrackerDialog.vue
@@ -7,9 +7,7 @@
     width="40em"
   >
     <v-card>
-      <v-card-title
-        class="headline grey lighten-4"
-      >
+      <v-card-title class="headline">
         <v-icon class="mr-2">mdi-server</v-icon>
         <span>Edit tracker</span>
       </v-card-title>
@@ -212,6 +210,10 @@ export default class EditTrackerDialog extends Vue {
 </script>
 
 <style lang="scss" scoped>
+@import '~@/assets/styles.scss';
+
+@include dialog-title;
+
 .torrents {
   overflow: auto;
   white-space: nowrap;
diff --git a/src/components/dialogs/InfoDialog.vue b/src/components/dialogs/InfoDialog.vue
index cf09ed2..c2de9cd 100644
--- a/src/components/dialogs/InfoDialog.vue
+++ b/src/components/dialogs/InfoDialog.vue
@@ -6,9 +6,7 @@
     :fullscreen="phoneLayout"
   >
     <v-card>
-      <v-card-title
-        class="headline grey lighten-4"
-      >
+      <v-card-title class="headline">
         <v-icon class="mr-2">
           mdi-alert-circle
         </v-icon>
@@ -148,6 +146,10 @@ export default class InfoDialog extends Vue {
 </script>
 
 <style lang="scss" scoped>
+@import '~@/assets/styles.scss';
+
+@include dialog-title;
+
 ::v-deep .v-dialog {
   max-width: 1100px;
 
diff --git a/src/components/dialogs/LogsDialog.vue b/src/components/dialogs/LogsDialog.vue
index 35cc80e..d22a1ac 100644
--- a/src/components/dialogs/LogsDialog.vue
+++ b/src/components/dialogs/LogsDialog.vue
@@ -7,9 +7,7 @@
     :width="dialogWidth"
   >
     <v-card>
-      <v-card-title
-        class="headline grey lighten-4"
-      >
+      <v-card-title class="headline">
         <v-icon class="mr-2">mdi-delta</v-icon>
         <span>Logs</span>
       </v-card-title>
@@ -63,7 +61,7 @@ import { Prop, Emit } from 'vue-property-decorator';
     },
     typeColor(type: number) {
       const map: any = {
-        1: 'secondary--text',
+        1: null,
         2: 'info--text',
         4: 'warn--text',
         8: 'error--text',
@@ -114,6 +112,10 @@ export default class LogsDialog extends HasTask {
 </script>
 
 <style lang="scss" scoped>
+@import '~@/assets/styles.scss';
+
+@include dialog-title;
+
 .logs {
   font-family: monospace;
 
diff --git a/src/components/dialogs/RssDialog.vue b/src/components/dialogs/RssDialog.vue
index fef4594..d8cb57b 100644
--- a/src/components/dialogs/RssDialog.vue
+++ b/src/components/dialogs/RssDialog.vue
@@ -6,9 +6,7 @@
     persistent
   >
     <v-card>
-      <v-card-title
-        class="headline grey lighten-4"
-      >
+      <v-card-title class="headline">
         <v-icon class="mr-2">mdi-rss-box</v-icon>
         <span>RSS</span>
         <v-spacer />
@@ -425,6 +423,10 @@ export default class RssDialog extends HasTask {
 </script>
 
 <style lang="scss" scoped>
+@import '~@/assets/styles.scss';
+
+@include dialog-title;
+
 .v-card {
   display: flex;
   flex-direction: column;
diff --git a/src/components/dialogs/RssRulesDialog.vue b/src/components/dialogs/RssRulesDialog.vue
index 8ebb1e3..2fc9c16 100644
--- a/src/components/dialogs/RssRulesDialog.vue
+++ b/src/components/dialogs/RssRulesDialog.vue
@@ -6,9 +6,7 @@
     width="50%"
   >
     <v-card>
-      <v-card-title
-        class="headline grey lighten-4"
-      >
+      <v-card-title class="headline">
         <v-icon class="mr-2">mdi-filter</v-icon>
         <span v-text="$t('dialog.rss_rule.title')" />
         <v-spacer />
@@ -347,6 +345,10 @@ export default class RssRulesDialog extends Vue {
 </script>
 
 <style lang="scss" scoped>
+@import '~@/assets/styles.scss';
+
+@include dialog-title;
+
 .v-card {
   display: flex;
   flex-direction: column;
diff --git a/src/locale/index.ts b/src/locale/index.ts
index 4e8180f..c8785b2 100644
--- a/src/locale/index.ts
+++ b/src/locale/index.ts
@@ -28,7 +28,7 @@ function matchLocale() {
 export const defaultLocale = matchLocale()
 
 function updateLocale() {
-  let locale: keyof typeof translations | null = loadConfig()['locale'];
+  let locale: keyof typeof translations | undefined | null = loadConfig()['locale'];
 
   if (!locale) {
     locale = defaultLocale;
diff --git a/src/plugins/vuetify.ts b/src/plugins/vuetify.ts
index c74ed84..96be87f 100644
--- a/src/plugins/vuetify.ts
+++ b/src/plugins/vuetify.ts
@@ -1,6 +1,7 @@
 import Vue from 'vue';
 import Vuetify from 'vuetify/lib';
 import i18n from '@/locale';
+import { loadConfig } from '@/store/config';
 
 Vue.use(Vuetify);
 
@@ -9,6 +10,7 @@ locale = locale === 'zh-CN' ? 'zh-Hans' : locale.split('-', 1)[0];
 
 // eslint-disable-next-line @typescript-eslint/no-var-requires
 const { default: translation } = require('vuetify/src/locale/' + locale);
+const darkMode = !!loadConfig()['darkMode'];
 
 export default new Vuetify({
   lang: {
@@ -18,4 +20,7 @@ export default new Vuetify({
   icons: {
     iconfont: 'mdi',
   },
+  theme: {
+    dark: darkMode,
+  },
 });
diff --git a/src/store/config.ts b/src/store/config.ts
index b11e529..9ef6e9c 100644
--- a/src/store/config.ts
+++ b/src/store/config.ts
@@ -17,13 +17,16 @@ const defaultConfig = {
     query: null,
   },
   locale: null,
+  darkMode: null,
 };
 
+export type Config = typeof defaultConfig
+
 function saveConfig(obj: any) {
   localStorage.setItem(configKey, JSON.stringify(obj));
 }
 
-export function loadConfig() {
+export function loadConfig(): Partial<Config> {
   const tmp = localStorage.getItem(configKey);
   if (!tmp) {
     return {};
diff --git a/src/store/types.ts b/src/store/types.ts
index 0f450e3..5f17dd7 100644
--- a/src/store/types.ts
+++ b/src/store/types.ts
@@ -1,4 +1,5 @@
 import { MainData } from '@/types';
+import { Config } from './config';
 
 export interface RootState {
   rid: number;
@@ -19,7 +20,7 @@ export interface ConfigState {
 }
 
 export interface ConfigPayload {
-  key: string;
+  key: keyof Config;
   value: any;
 }