diff --git a/src/components/Search.svelte b/src/components/Search.svelte
new file mode 100644
index 0000000..a193ae6
--- /dev/null
+++ b/src/components/Search.svelte
@@ -0,0 +1,113 @@
+<script lang="ts">
+import { onMount } from 'svelte'
+let keywordDesktop = ''
+let keywordMobile = ''
+let result = []
+const fakeResult = [{
+    url: '/',
+    meta: {
+        title: 'This Is a Fake Search Result'
+    },
+    excerpt: 'Because the search cannot work in the <mark>dev</mark> environment.'
+}, {
+    url: '/',
+    meta: {
+        title: 'If You Want to Test the Search'
+    },
+    excerpt: 'Try running <mark>npm build && npm preview</mark> instead.'
+}]
+
+let search = (keyword: string, isDesktop: boolean) => {}
+
+onMount(() => {
+    search = async (keyword: string, isDesktop: boolean) => {
+        let panel = document.getElementById('search-panel')
+        if (!panel)
+            return
+
+        if (!keyword && isDesktop) {
+            panel.classList.add("closed")
+            return
+        }
+
+        let arr = [];
+        if (import.meta.env.PROD) {
+            const ret = await pagefind.search(keyword)
+            for (const item of ret.results) {
+                arr.push(await item.data())
+            }
+        } else {
+            // Mock data for non-production environment
+            // arr = JSON.parse('[{"url":"/","content":"Simple Guides for Fuwari. Cover image source: Source. This blog template is built with Astro. For the things that are not mentioned in this guide, you may find the answers in the Astro Docs. Front-matter of Posts. --- title: My First Blog Post published: 2023-09-09 description: This is the first post of my new Astro blog. image: ./cover.jpg tags: [Foo, Bar] category: Front-end draft: false ---AttributeDescription title. The title of the post. published. The date the post was published. description. A short description of the post. Displayed on index page. image. The cover image path of the post. 1. Start with http:// or https://: Use web image 2. Start with /: For image in public dir 3. With none of the prefixes: Relative to the markdown file. tags. The tags of the post. category. The category of the post. draft. If this post is still a draft, which won’t be displayed. Where to Place the Post Files. Your post files should be placed in src/content/posts/ directory. You can also create sub-directories to better organize your posts and assets. src/content/posts/ ├── post-1.md └── post-2/ ├── cover.png └── index.md.","word_count":187,"filters":{},"meta":{"title":"This Is a Fake Search Result"},"anchors":[{"element":"h2","id":"front-matter-of-posts","text":"Front-matter of Posts","location":34},{"element":"h2","id":"where-to-place-the-post-files","text":"Where to Place the Post Files","location":151}],"weighted_locations":[{"weight":10,"balanced_score":57600,"location":3}],"locations":[3],"raw_content":"Simple Guides for Fuwari. Cover image source: Source. This blog template is built with Astro. For the things that are not mentioned in this guide, you may find the answers in the Astro Docs. Front-matter of Posts. --- title: My First Blog Post published: 2023-09-09 description: This is the first post of my new Astro blog. image: ./cover.jpg tags: [Foo, Bar] category: Front-end draft: false ---AttributeDescription title. The title of the post. published. The date the post was published. description. A short description of the post. Displayed on index page. image. The cover image path of the post. 1. Start with http:// or https://: Use web image 2. Start with /: For image in public dir 3. With none of the prefixes: Relative to the markdown file. tags. The tags of the post. category. The category of the post. draft. If this post is still a draft, which won’t be displayed. Where to Place the Post Files. Your post files should be placed in src/content/posts/ directory. You can also create sub-directories to better organize your posts and assets. src/content/posts/ ├── post-1.md └── post-2/ ├── cover.png └── index.md.","raw_url":"/posts/guide/","excerpt":"Because the search cannot work in the <mark>dev</mark> environment.","sub_results":[{"title":"Simple Guides for Fuwari - Fuwari","url":"/posts/guide/","weighted_locations":[{"weight":10,"balanced_score":57600,"location":3}],"locations":[3],"excerpt":"Simple Guides for <mark>Fuwari.</mark> Cover image source: Source. This blog template is built with Astro. For the things that are not mentioned in this guide, you may find the answers"}]},{"url":"/","content":"About. This is the demo site for Fuwari. Sources of images used in this site. Unsplash. 星と少女 by Stella. Rabbit - v1.4 Showcase by Rabbit_YourMajesty.","word_count":25,"filters":{},"meta":{"title":"If You Want to Test the Search"},"anchors":[{"element":"h1","id":"about","text":"About","location":0},{"element":"h3","id":"sources-of-images-used-in-this-site","text":"Sources of images used in this site","location":8}],"weighted_locations":[{"weight":1,"balanced_score":576,"location":7}],"locations":[7],"raw_content":"About. This is the demo site for Fuwari. Sources of images used in this site. Unsplash. 星と少女 by Stella. Rabbit - v1.4 Showcase by Rabbit_YourMajesty.","raw_url":"/about/","excerpt":"Try running <mark>npm build && npm preview</mark> instead.","sub_results":[{"title":"About","url":"/about/#about","anchor":{"element":"h1","id":"about","text":"About","location":0},"weighted_locations":[{"weight":1,"balanced_score":576,"location":7}],"locations":[7],"excerpt":"About. This is the demo site for <mark>Fuwari.</mark>"}]}]')
+            arr = fakeResult
+        }
+
+        if (!arr.length && isDesktop) {
+            panel.classList.add("closed")
+            return
+        }
+
+        if (isDesktop) {
+            panel.classList.remove("closed")
+        }
+        result = arr
+    }
+})
+
+const togglePanel = () => {
+    let panel = document.getElementById('search-panel')
+    panel?.classList.toggle("closed")
+}
+
+$: search(keywordDesktop, true)
+$: search(keywordMobile, false)
+</script>
+
+<!-- search bar for desktop view -->
+<div id="search-bar" class="hidden lg:flex transition-all items-center h-11 mr-2 rounded-lg
+      bg-black/[0.04] hover:bg-black/[0.06] focus-within:bg-black/[0.06]
+      dark:bg-white/5 dark:hover:bg-white/10 dark:focus-within:bg-white/10
+">
+    <slot name="search-icon"></slot>
+    <input placeholder="Search" bind:value={keywordDesktop} on:focus={() => search(keywordDesktop, true)}
+           class="transition-all pl-10 text-sm bg-transparent outline-0
+         h-full w-40 active:w-60 focus:w-60 text-black/50 dark:text-white/50"
+    >
+</div>
+
+<!-- toggle btn for phone/tablet view -->
+<button on:click={togglePanel} aria-label="Search Panel" id="search-switch"
+        class="btn-plain lg:hidden rounded-lg w-11 h-11 active:scale-90">
+    <slot name="search-switch"></slot>
+</button>
+
+<!-- search panel -->
+<div id="search-panel" class="float-panel closed search-panel absolute md:w-[30rem]
+top-20 left-4 md:left-[unset] right-4 shadow-2xl rounded-2xl p-2">
+
+    <!-- search bar inside panel for phone/tablet -->
+    <div id="search-bar-inside" class="flex relative lg:hidden transition-all items-center h-11 rounded-xl
+      bg-black/[0.04] hover:bg-black/[0.06] focus-within:bg-black/[0.06]
+      dark:bg-white/5 dark:hover:bg-white/10 dark:focus-within:bg-white/10
+  ">
+        <slot name="search-icon"></slot>
+        <input placeholder="Search" bind:value={keywordMobile}
+               class="pl-10 absolute inset-0 text-sm bg-transparent outline-0
+               focus:w-60 text-black/50 dark:text-white/50"
+        >
+    </div>
+
+    <!-- search results -->
+    {#each result as item}
+        <a href={item.url}
+           class="transition first-of-type:mt-2 lg:first-of-type:mt-0 group block
+       rounded-xl text-lg px-3 py-2 hover:bg-[var(--btn-plain-bg-hover)] active:bg-[var(--btn-plain-bg-active)]">
+            <div class="transition text-90 inline-flex font-bold group-hover:text-[var(--primary)]">
+                {item.meta.title}<slot name="arrow-icon"></slot>
+            </div>
+            <div class="transition text-sm text-50">
+                {@html item.excerpt}
+            </div>
+        </a>
+    {/each}
+</div>
diff --git a/src/components/SearchPanel.vue b/src/components/SearchPanel.vue
deleted file mode 100644
index a1686e5..0000000
--- a/src/components/SearchPanel.vue
+++ /dev/null
@@ -1,100 +0,0 @@
-<script setup lang="ts">
-import { ref, watch } from 'vue'
-const keywordDesktop = ref('')
-const keywordMobile = ref('')
-const result = ref([])
-
-const search = async (keyword: string, isDesktop: boolean) => {
-  let panel = document.getElementById('search-panel');
-
-  // for desktop hide panel immediately if keyword is empty
-  if (!keyword && isDesktop) {
-    panel.classList.add("closed");
-    return
-  }
-
-  let arr = []
-  if (import.meta.env.PROD) {
-    const ret = await pagefind.search(keyword);
-    for (const item of ret.results) {
-      arr.push(await item.data())
-    }
-  } else {
-    arr = JSON.parse('[{"url":"/","content":"Simple Guides for Fuwari. Cover image source: Source. This blog template is built with Astro. For the things that are not mentioned in this guide, you may find the answers in the Astro Docs. Front-matter of Posts. --- title: My First Blog Post published: 2023-09-09 description: This is the first post of my new Astro blog. image: ./cover.jpg tags: [Foo, Bar] category: Front-end draft: false ---AttributeDescription title. The title of the post. published. The date the post was published. description. A short description of the post. Displayed on index page. image. The cover image path of the post. 1. Start with http:// or https://: Use web image 2. Start with /: For image in public dir 3. With none of the prefixes: Relative to the markdown file. tags. The tags of the post. category. The category of the post. draft. If this post is still a draft, which won’t be displayed. Where to Place the Post Files. Your post files should be placed in src/content/posts/ directory. You can also create sub-directories to better organize your posts and assets. src/content/posts/ ├── post-1.md └── post-2/ ├── cover.png └── index.md.","word_count":187,"filters":{},"meta":{"title":"This Is a Fake Search Result"},"anchors":[{"element":"h2","id":"front-matter-of-posts","text":"Front-matter of Posts","location":34},{"element":"h2","id":"where-to-place-the-post-files","text":"Where to Place the Post Files","location":151}],"weighted_locations":[{"weight":10,"balanced_score":57600,"location":3}],"locations":[3],"raw_content":"Simple Guides for Fuwari. Cover image source: Source. This blog template is built with Astro. For the things that are not mentioned in this guide, you may find the answers in the Astro Docs. Front-matter of Posts. --- title: My First Blog Post published: 2023-09-09 description: This is the first post of my new Astro blog. image: ./cover.jpg tags: [Foo, Bar] category: Front-end draft: false ---AttributeDescription title. The title of the post. published. The date the post was published. description. A short description of the post. Displayed on index page. image. The cover image path of the post. 1. Start with http:// or https://: Use web image 2. Start with /: For image in public dir 3. With none of the prefixes: Relative to the markdown file. tags. The tags of the post. category. The category of the post. draft. If this post is still a draft, which won’t be displayed. Where to Place the Post Files. Your post files should be placed in src/content/posts/ directory. You can also create sub-directories to better organize your posts and assets. src/content/posts/ ├── post-1.md └── post-2/ ├── cover.png └── index.md.","raw_url":"/posts/guide/","excerpt":"Because the search cannot work in the <mark>dev</mark> environment.","sub_results":[{"title":"Simple Guides for Fuwari - Fuwari","url":"/posts/guide/","weighted_locations":[{"weight":10,"balanced_score":57600,"location":3}],"locations":[3],"excerpt":"Simple Guides for <mark>Fuwari.</mark> Cover image source: Source. This blog template is built with Astro. For the things that are not mentioned in this guide, you may find the answers"}]},{"url":"/","content":"About. This is the demo site for Fuwari. Sources of images used in this site. Unsplash. 星と少女 by Stella. Rabbit - v1.4 Showcase by Rabbit_YourMajesty.","word_count":25,"filters":{},"meta":{"title":"If You Want to Test the Search"},"anchors":[{"element":"h1","id":"about","text":"About","location":0},{"element":"h3","id":"sources-of-images-used-in-this-site","text":"Sources of images used in this site","location":8}],"weighted_locations":[{"weight":1,"balanced_score":576,"location":7}],"locations":[7],"raw_content":"About. This is the demo site for Fuwari. Sources of images used in this site. Unsplash. 星と少女 by Stella. Rabbit - v1.4 Showcase by Rabbit_YourMajesty.","raw_url":"/about/","excerpt":"Try running <mark>npm build && npm preview</mark> instead.","sub_results":[{"title":"About","url":"/about/#about","anchor":{"element":"h1","id":"about","text":"About","location":0},"weighted_locations":[{"weight":1,"balanced_score":576,"location":7}],"locations":[7],"excerpt":"About. This is the demo site for <mark>Fuwari.</mark>"}]}]')
-  }
-
-  if (!arr.length && isDesktop) {
-      // for desktop hide panel immediately if results is empty
-      panel.classList.add("closed");
-      return
-  }
-
-  panel.classList.remove("closed");
-  result.value = arr
-}
-
-const togglePanel = async () => {
-  console.log('togglePanel')
-  let panel = document.getElementById('search-panel');
-  panel.classList.toggle("closed");
-}
-
-watch(keywordDesktop, async (newVal, oldVal) => {
-  search(newVal, true)
-})
-watch(keywordMobile, async (newVal, oldVal) => {
-  search(newVal, false)
-})
-</script>
-
-<template>
-<!-- search bar for desktop view -->
-<div id="search-bar" class="hidden lg:flex transition-all items-center h-11 mr-2 rounded-lg
-      bg-black/[0.04] hover:bg-black/[0.06] focus-within:bg-black/[0.06]
-      dark:bg-white/5 dark:hover:bg-white/10 dark:focus-within:bg-white/10
-">
-  <slot name="search-icon"></slot>
-  <input placeholder="Search" v-model="keywordDesktop" @focusin="search(keywordDesktop, true)"
-         class="transition-all text-sm ml-2 bg-transparent outline-0
-         h-full w-40 active:w-60 focus:w-60 text-black/50 dark:text-white/50"
-  >
-</div>
-
-<!-- toggle btn for phone/tablet view -->
-<div @click="togglePanel">
-  <slot name="search-switch"></slot>
-</div>
-
-<!-- search panel -->
-<div id="search-panel" class="float-panel closed search-panel absolute md:w-[30rem] top-20 left-4 md:left-[unset] right-4 shadow-2xl rounded-2xl p-2">
-
-  <!-- search bar inside panel for phone/tablet -->
-  <div id="search-bar-inside" class="flex lg:hidden transition-all items-center h-11 rounded-xl
-      bg-black/[0.04] hover:bg-black/[0.06] focus-within:bg-black/[0.06]
-      dark:bg-white/5 dark:hover:bg-white/10 dark:focus-within:bg-white/10
-  ">
-    <slot name="search-icon"></slot>
-    <input placeholder="Search" v-model="keywordMobile"
-           class="transition-all text-sm ml-2 bg-transparent outline-0
-         h-full w-full focus:w-60 text-black/50 dark:text-white/50"
-    >
-  </div>
-
-  <!-- search results -->
-  <a v-for="item of result" :href="item.url"
-     class="transition first-of-type:mt-2 lg:first-of-type:mt-0 group block
-     rounded-xl text-lg px-3 py-2 hover:bg-[var(--btn-plain-bg-hover)] active:bg-[var(--btn-plain-bg-active)]">
-    <div class="transition text-deep inline-flex font-bold group-hover:text-[var(--primary)]">
-      {{ item.meta.title }}<slot name="arrow-icon"></slot>
-    </div>
-<!--    list all sub results looks bad -->
-<!--    <div v-for="sub of item.sub_results" v-html="sub.excerpt" class="transition text-sm text-sub">-->
-<!--    </div>-->
-    <div v-html="item.excerpt" class="transition text-sm text-sub">
-    </div>
-  </a>
-</div>
-</template>
-
-<style scoped>
-</style>
\ No newline at end of file
diff --git a/src/components/widget/DisplaySetting.astro b/src/components/widget/DisplaySetting.astro
deleted file mode 100644
index 812285f..0000000
--- a/src/components/widget/DisplaySetting.astro
+++ /dev/null
@@ -1,73 +0,0 @@
----
-import {i18n} from "../../i18n/translation";
-import I18nKey from "../../i18n/i18nKey";
-import {siteConfig} from "../../config";
-
-const enableBanner = siteConfig.banner.enable;
-
----
-<div id="display-setting" class:list={["float-panel closed absolute transition-all w-80 fixed right-4 px-4 py-4"]}>
-    <div class="flex flex-row gap-2 mb-3 items-center justify-between">
-        <div class="font-bold text-lg text-neutral-900 dark:text-neutral-100 transition relative ml-3
-            before:w-1 before:h-4 before:rounded-md before:bg-[var(--primary)]
-            before:absolute before:-left-3 before:top-[0.33rem]"
-        >
-            {i18n(I18nKey.primaryColor)}
-        </div>
-        <div id="hueValue" class="transition bg-[var(--btn-regular-bg)] w-10 h-7 rounded-md flex justify-center font-bold transition text-sm items-center text-[var(--btn-content)]">
-            {0}
-        </div>
-    </div>
-    <div class="w-full h-6 px-1 bg-[oklch(0.80_0.10_0)] dark:bg-[oklch(0.70_0.10_0)] rounded select-none">
-        <input aria-label="Theme Color" type="range" min="0" max="360" value="0" class="slider" id="colorSlider" step="5" style="width: 100%;">
-    </div>
-
-</div>
-
-
-<style lang="stylus" is:global>
-#display-setting
-    input[type="range"]
-        -webkit-appearance: none;
-        height: 1.5rem;
-        background-image: var(--color-selection-bar)
-        transition: background-image 0.15s ease-in-out
-
-    /* Input Thumb */
-    ::-webkit-slider-thumb
-        -webkit-appearance: none;
-        height: 1rem;
-        width: 0.5rem;
-        border-radius: 0.125rem;
-        background: rgba(255, 255, 255, 0.7);
-        box-shadow: none;
-        &:hover
-          background: rgba(255, 255, 255, 0.8);
-        &:active
-          background: rgba(255, 255, 255, 0.6);
-
-    ::-moz-range-thumb
-        -webkit-appearance: none;
-        height: 1rem;
-        width: 0.5rem;
-        border-radius: 0.125rem;
-        border-width: 0
-        background: rgba(255, 255, 255, 0.7);
-        box-shadow: none;
-        &:hover
-          background: rgba(255, 255, 255, 0.8);
-        &:active
-          background: rgba(255, 255, 255, 0.6);
-
-    &::-ms-thumb
-        -webkit-appearance: none;
-        height: 1rem;
-        width: 0.5rem;
-        border-radius: 0.125rem;
-        background: rgba(255, 255, 255, 0.7);
-        box-shadow: none;
-        &:hover
-          background: rgba(255, 255, 255, 0.8);
-        &:active
-          background: rgba(255, 255, 255, 0.6);
-</style>
diff --git a/src/components/widget/DisplaySettings.svelte b/src/components/widget/DisplaySettings.svelte
new file mode 100644
index 0000000..f036dc7
--- /dev/null
+++ b/src/components/widget/DisplaySettings.svelte
@@ -0,0 +1,91 @@
+<script lang="ts">
+import {i18n} from '@i18n/translation';
+import I18nKey from '@i18n/i18nKey';
+import {getDefaultHue, getHue, setHue} from '@utils/setting-utils';
+
+let hue = getHue()
+const defaultHue = getDefaultHue()
+
+function resetHue() {
+    hue = getDefaultHue()
+}
+
+$: if (hue || hue === 0) {
+    setHue(hue)
+}
+</script>
+
+<div id="display-setting" class="float-panel closed absolute transition-all w-80 fixed right-4 px-4 py-4">
+    <div class="flex flex-row gap-2 mb-3 items-center justify-between">
+        <div class="flex gap-2 font-bold text-lg text-neutral-900 dark:text-neutral-100 transition relative ml-3
+            before:w-1 before:h-4 before:rounded-md before:bg-[var(--primary)]
+            before:absolute before:-left-3 before:top-[0.33rem]"
+        >
+            {i18n(I18nKey.themeColor)}
+            <button class="btn-regular w-7 h-7 rounded-md  active:scale-90"
+                    class:opacity-0={hue === defaultHue} class:pointer-events-none={hue === defaultHue} on:click={resetHue}>
+                <div class="text-[var(--btn-content)]">
+                    <slot name="restore-icon"></slot>
+                </div>
+            </button>
+        </div>
+        <div class="flex gap-1">
+            <div id="hueValue" class="transition bg-[var(--btn-regular-bg)] w-10 h-7 rounded-md flex justify-center
+            font-bold text-sm items-center text-[var(--btn-content)]">
+                {hue}
+            </div>
+        </div>
+    </div>
+    <div class="w-full h-6 px-1 bg-[oklch(0.80_0.10_0)] dark:bg-[oklch(0.70_0.10_0)] rounded select-none">
+        <input aria-label={i18n(I18nKey.themeColor)} type="range" min="0" max="360" bind:value={hue}
+               class="slider" id="colorSlider" step="5" style="width: 100%;">
+    </div>
+</div>
+
+
+<style lang="stylus">
+  #display-setting
+    input[type="range"]
+      -webkit-appearance: none;
+      height: 1.5rem;
+      background-image: var(--color-selection-bar)
+      transition: background-image 0.15s ease-in-out
+
+    /* Input Thumb */
+    ::-webkit-slider-thumb
+      -webkit-appearance: none;
+      height: 1rem;
+      width: 0.5rem;
+      border-radius: 0.125rem;
+      background: rgba(255, 255, 255, 0.7);
+      box-shadow: none;
+      &:hover
+        background: rgba(255, 255, 255, 0.8);
+      &:active
+        background: rgba(255, 255, 255, 0.6);
+
+    ::-moz-range-thumb
+      -webkit-appearance: none;
+      height: 1rem;
+      width: 0.5rem;
+      border-radius: 0.125rem;
+      border-width: 0
+      background: rgba(255, 255, 255, 0.7);
+      box-shadow: none;
+      &:hover
+        background: rgba(255, 255, 255, 0.8);
+      &:active
+        background: rgba(255, 255, 255, 0.6);
+
+    &::-ms-thumb
+      -webkit-appearance: none;
+      height: 1rem;
+      width: 0.5rem;
+      border-radius: 0.125rem;
+      background: rgba(255, 255, 255, 0.7);
+      box-shadow: none;
+      &:hover
+        background: rgba(255, 255, 255, 0.8);
+      &:active
+        background: rgba(255, 255, 255, 0.6);
+</style>