diff --git a/docs/index.html b/docs/index.html
index 146e0aefb..f97ab5cba 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -1,30 +1,24 @@
-<!--Section: hero -->
-<section data-md-color-scheme="slate" data-md-color-primary="grey" class="home-div"
-    style="height: min(100vh, 120vw); position: relative; margin-top:-2.4rem; padding: 0; overflow: hidden;">
+<!-- Section: hero -->
+<section data-md-color-scheme="slate" data-md-color-primary="grey" class="home-div" style="height: min(100vh, 120vw); position: relative; margin-top:-2.4rem; padding: 0; overflow: hidden;">
     <!-- hero image -->
     <img src="assets/hero/universe_bg.png" class="hero-bg" alt="">
     <div class="hero-div">
-        <img src="assets/hero/ground.png" alt=""
-            style="position: absolute; width: auto; height: 26.445%; left: 28.211%; top: 54.145%;">
-        <img src="assets/hero/links.png" alt=""
-            style="position: absolute; width: auto; height: 78.751%; left: 10.545%; top: 7.326%;">
+        <img src="assets/hero/ground.png" alt="" style="position: absolute; width: auto; height: 26.445%; left: 28.211%; top: 54.145%;">
+        <img src="assets/hero/links.png" alt="" style="position: absolute; width: auto; height: 78.751%; left: 10.545%; top: 7.326%;">
         <a href="chapter_introduction/">
             <img src="assets/hero/astronaut.png" alt="" style="height: 46.673%; left: 35.413%; top: 24.343%;">
             <span style="left: 52.244%; top: 20.919%;">初识算法</span>
         </a>
         <a href="chapter_computational_complexity/">
-            <img src="assets/hero/chapter_computational_complexity.png" alt=""
-                style="height: 12.347%; left: 36.267%; top: 37.653%;">
+            <img src="assets/hero/chapter_computational_complexity.png" alt="" style="height: 12.347%; left: 36.267%; top: 37.653%;">
             <span style="left: 39.244%; top: 33.919%;">复杂度</span>
         </a>
         <a href="chapter_array_and_linkedlist/">
-            <img src="assets/hero/chapter_array_and_linkedlist.png" alt=""
-                style="height: 22.242%; left: 73.242%; top: 52.481%;">
+            <img src="assets/hero/chapter_array_and_linkedlist.png" alt="" style="height: 22.242%; left: 73.242%; top: 52.481%;">
             <span style="left: 90.897%; top: 76.259%;">数组与链表</span>
         </a>
         <a href="chapter_stack_and_queue/">
-            <img src="assets/hero/chapter_stack_and_queue.png" alt=""
-                style="height: 14.302%; left: 62.646%; top: 77.875%;">
+            <img src="assets/hero/chapter_stack_and_queue.png" alt="" style="height: 14.302%; left: 62.646%; top: 77.875%;">
             <span style="left: 77.571%; top: 91.25%;">栈与队列</span>
         </a>
         <a href="chapter_hashing/">
@@ -52,8 +46,7 @@
             <span style="left: 28.805%; top: 53.808%;">排序</span>
         </a>
         <a href="chapter_divide_and_conquer/">
-            <img src="assets/hero/chapter_divide_and_conquer.png" alt=""
-                style="height: 18.681%; left: 32.721%; top: 4.816%;">
+            <img src="assets/hero/chapter_divide_and_conquer.png" alt="" style="height: 18.681%; left: 32.721%; top: 4.816%;">
             <span style="left: 31.42%; top: 8.679%;">分治</span>
         </a>
         <a href="chapter_backtracking/">
@@ -61,8 +54,7 @@
             <span style="left: 4.742%; top: 50.113%;">回溯</span>
         </a>
         <a href="chapter_dynamic_programming/">
-            <img src="assets/hero/chapter_dynamic_programming.png" alt=""
-                style="height: 15.47%; left: 9.406%; top: 57.472%;">
+            <img src="assets/hero/chapter_dynamic_programming.png" alt="" style="height: 15.47%; left: 9.406%; top: 57.472%;">
             <span style="left: 8.561%; top: 75.351%;">动态规划</span>
         </a>
         <a href="chapter_greedy/">
@@ -73,25 +65,20 @@
 
     <!-- heading -->
     <div class="heading-div">
-        <img style="height: min(9vh, 12vw);"
-            src="https://readme-typing-svg.demolab.com/?font=Noto+Sans+SC&weight=400&duration=3500&pause=2000&color=FFF&center=true&vCenter=true&random=false&width=200&lines=Hello%2C+%E7%AE%97%E6%B3%95+!"
-            alt="" />
+        <img style="height: min(9vh, 12vw);" src="https://readme-typing-svg.demolab.com/?font=Noto+Sans+SC&weight=400&duration=3500&pause=2000&color=FFF&center=true&vCenter=true&random=false&width=200&lines=Hello%2C+%E7%AE%97%E6%B3%95+!" alt="" />
         <div style="pointer-events: auto;">
             <p style="margin-top: max(-1vh, -2vw); margin-bottom: min(2vh, 3.5vw);">
                 动画图解、一键运行的数据结构与算法教程
             </p>
             <a href="chapter_hello_algo/" class="rounded-button">
-                <svg xmlns="http://www.w3.org/2000/svg"
-                    viewBox="0 0 512 512"><!--!Font Awesome Free 6.5.1 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2024 Fonticons, Inc.-->
-                    <path
-                        d="M160 96a96 96 0 1 1 192 0A96 96 0 1 1 160 96zm80 152V512l-48.4-24.2c-20.9-10.4-43.5-17-66.8-19.3l-96-9.6C12.5 457.2 0 443.5 0 427V224c0-17.7 14.3-32 32-32H62.3c63.6 0 125.6 19.6 177.7 56zm32 264V248c52.1-36.4 114.1-56 177.7-56H480c17.7 0 32 14.3 32 32V427c0 16.4-12.5 30.2-28.8 31.8l-96 9.6c-23.2 2.3-45.9 8.9-66.8 19.3L272 512z" />
+                <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--!Font Awesome Free 6.5.1 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2024 Fonticons, Inc.-->
+                    <path d="M160 96a96 96 0 1 1 192 0A96 96 0 1 1 160 96zm80 152V512l-48.4-24.2c-20.9-10.4-43.5-17-66.8-19.3l-96-9.6C12.5 457.2 0 443.5 0 427V224c0-17.7 14.3-32 32-32H62.3c63.6 0 125.6 19.6 177.7 56zm32 264V248c52.1-36.4 114.1-56 177.7-56H480c17.7 0 32 14.3 32 32V427c0 16.4-12.5 30.2-28.8 31.8l-96 9.6c-23.2 2.3-45.9 8.9-66.8 19.3L272 512z" />
                 </svg>
                 <span>开始阅读</span>
             </a>
             <a href="https://github.com/krahets/hello-algo" class="rounded-button">
                 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 496 512">
-                    <path
-                        d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3 .3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5 .3-6.2 2.3zm44.2-1.7c-2.9 .7-4.9 2.6-4.6 4.9 .3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3 .7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3 .3 2.9 2.3 3.9 1.6 1 3.6 .7 4.3-.7 .7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3 .7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3 .7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z">
+                    <path d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3 .3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5 .3-6.2 2.3zm44.2-1.7c-2.9 .7-4.9 2.6-4.6 4.9 .3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3 .7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3 .3 2.9 2.3 3.9 1.6 1 3.6 .7 4.3-.7 .7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3 .7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3 .7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z">
                     </path>
                 </svg>
                 <span>代码仓库</span>
@@ -99,10 +86,8 @@
         </div>
         <!-- arrow -->
         <div style="text-align: center; margin-top: min(2.5vh, 3.5vw);">
-            <svg xmlns="http://www.w3.org/2000/svg" fill="var(--md-default-fg-color)" height="2vh"
-                viewBox="0 0 384 512">
-                <path
-                    d="M169.4 470.6c12.5 12.5 32.8 12.5 45.3 0l160-160c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L224 370.8 224 64c0-17.7-14.3-32-32-32s-32 14.3-32 32l0 306.7L54.6 265.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l160 160z" />
+            <svg xmlns="http://www.w3.org/2000/svg" fill="var(--md-default-fg-color)" height="2vh" viewBox="0 0 384 512">
+                <path d="M169.4 470.6c12.5 12.5 32.8 12.5 45.3 0l160-160c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L224 370.8 224 64c0-17.7-14.3-32-32-32s-32 14.3-32 32l0 306.7L54.6 265.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l160 160z" />
             </svg>
         </div>
     </div>
@@ -148,8 +133,7 @@
                     <div class="text-button">
                         <span>获取纸质书</span>
                         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512">
-                            <path
-                                d="M278.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-160 160c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L210.7 256 73.4 118.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l160 160z" />
+                            <path d="M278.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-160 160c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L210.7 256 73.4 118.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l160 160z" />
                         </svg>
                     </div>
                 </a>
@@ -162,8 +146,7 @@
                     <div class="text-button">
                         <span>在线阅读</span>
                         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512">
-                            <path
-                                d="M278.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-160 160c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L210.7 256 73.4 118.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l160 160z" />
+                            <path d="M278.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-160 160c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L210.7 256 73.4 118.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l160 160z" />
                         </svg>
                     </div>
                 </a>
@@ -174,8 +157,7 @@
                     <div class="text-button">
                         <span>下载 PDF</span>
                         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512">
-                            <path
-                                d="M278.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-160 160c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L210.7 256 73.4 118.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l160 160z" />
+                            <path d="M278.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-160 160c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L210.7 256 73.4 118.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l160 160z" />
                         </svg>
                     </div>
                 </a>
@@ -209,8 +191,7 @@
                 <div>
                     <div style="display: flex; align-items: center;">
                         <svg xmlns="http://www.w3.org/2000/svg" height="1.5em" width="1.5em" viewBox="0 0 640 512">
-                            <path fill="var(--md-primary-bg-color)"
-                                d="M256 0H576c35.3 0 64 28.7 64 64V288c0 35.3-28.7 64-64 64H256c-35.3 0-64-28.7-64-64V64c0-35.3 28.7-64 64-64zM476 106.7C471.5 100 464 96 456 96s-15.5 4-20 10.7l-56 84L362.7 169c-4.6-5.7-11.5-9-18.7-9s-14.2 3.3-18.7 9l-64 80c-5.8 7.2-6.9 17.1-2.9 25.4s12.4 13.6 21.6 13.6h80 48H552c8.9 0 17-4.9 21.2-12.7s3.7-17.3-1.2-24.6l-96-144zM336 96a32 32 0 1 0 -64 0 32 32 0 1 0 64 0zM64 128h96V384v32c0 17.7 14.3 32 32 32H320c17.7 0 32-14.3 32-32V384H512v64c0 35.3-28.7 64-64 64H64c-35.3 0-64-28.7-64-64V192c0-35.3 28.7-64 64-64zm8 64c-8.8 0-16 7.2-16 16v16c0 8.8 7.2 16 16 16H88c8.8 0 16-7.2 16-16V208c0-8.8-7.2-16-16-16H72zm0 104c-8.8 0-16 7.2-16 16v16c0 8.8 7.2 16 16 16H88c8.8 0 16-7.2 16-16V312c0-8.8-7.2-16-16-16H72zm0 104c-8.8 0-16 7.2-16 16v16c0 8.8 7.2 16 16 16H88c8.8 0 16-7.2 16-16V416c0-8.8-7.2-16-16-16H72zm336 16v16c0 8.8 7.2 16 16 16h16c8.8 0 16-7.2 16-16V416c0-8.8-7.2-16-16-16H424c-8.8 0-16 7.2-16 16z" />
+                            <path fill="var(--md-primary-bg-color)" d="M256 0H576c35.3 0 64 28.7 64 64V288c0 35.3-28.7 64-64 64H256c-35.3 0-64-28.7-64-64V64c0-35.3 28.7-64 64-64zM476 106.7C471.5 100 464 96 456 96s-15.5 4-20 10.7l-56 84L362.7 169c-4.6-5.7-11.5-9-18.7-9s-14.2 3.3-18.7 9l-64 80c-5.8 7.2-6.9 17.1-2.9 25.4s12.4 13.6 21.6 13.6h80 48H552c8.9 0 17-4.9 21.2-12.7s3.7-17.3-1.2-24.6l-96-144zM336 96a32 32 0 1 0 -64 0 32 32 0 1 0 64 0zM64 128h96V384v32c0 17.7 14.3 32 32 32H320c17.7 0 32-14.3 32-32V384H512v64c0 35.3-28.7 64-64 64H64c-35.3 0-64-28.7-64-64V192c0-35.3 28.7-64 64-64zm8 64c-8.8 0-16 7.2-16 16v16c0 8.8 7.2 16 16 16H88c8.8 0 16-7.2 16-16V208c0-8.8-7.2-16-16-16H72zm0 104c-8.8 0-16 7.2-16 16v16c0 8.8 7.2 16 16 16H88c8.8 0 16-7.2 16-16V312c0-8.8-7.2-16-16-16H72zm0 104c-8.8 0-16 7.2-16 16v16c0 8.8 7.2 16 16 16H88c8.8 0 16-7.2 16-16V416c0-8.8-7.2-16-16-16H72zm336 16v16c0 8.8 7.2 16 16 16h16c8.8 0 16-7.2 16-16V416c0-8.8-7.2-16-16-16H424c-8.8 0-16 7.2-16 16z" />
                         </svg>
                         <h3 style="margin-left: 0.5em;">动画图解</h3>
                     </div>
@@ -227,8 +208,7 @@
                 <div>
                     <div style="display: flex; align-items: center;">
                         <svg xmlns="http://www.w3.org/2000/svg" height="1.5em" width="1.5em" viewBox="0 0 640 512">
-                            <path fill="var(--md-primary-bg-color)"
-                                d="M392.8 1.2c-17-4.9-34.7 5-39.6 22l-128 448c-4.9 17 5 34.7 22 39.6s34.7-5 39.6-22l128-448c4.9-17-5-34.7-22-39.6zm80.6 120.1c-12.5 12.5-12.5 32.8 0 45.3L562.7 256l-89.4 89.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0l112-112c12.5-12.5 12.5-32.8 0-45.3l-112-112c-12.5-12.5-32.8-12.5-45.3 0zm-306.7 0c-12.5-12.5-32.8-12.5-45.3 0l-112 112c-12.5 12.5-12.5 32.8 0 45.3l112 112c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L77.3 256l89.4-89.4c12.5-12.5 12.5-32.8 0-45.3z" />
+                            <path fill="var(--md-primary-bg-color)" d="M392.8 1.2c-17-4.9-34.7 5-39.6 22l-128 448c-4.9 17 5 34.7 22 39.6s34.7-5 39.6-22l128-448c4.9-17-5-34.7-22-39.6zm80.6 120.1c-12.5 12.5-12.5 32.8 0 45.3L562.7 256l-89.4 89.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0l112-112c12.5-12.5 12.5-32.8 0-45.3l-112-112c-12.5-12.5-32.8-12.5-45.3 0zm-306.7 0c-12.5-12.5-32.8-12.5-45.3 0l-112 112c-12.5 12.5-12.5 32.8 0 45.3l112 112c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L77.3 256l89.4-89.4c12.5-12.5 12.5-32.8 0-45.3z" />
                         </svg>
                         <h3 style="margin-left: 0.5em;">一键运行</h3>
                     </div>
@@ -243,8 +223,7 @@
                 <div>
                     <div style="display: flex; align-items: center;">
                         <svg xmlns="http://www.w3.org/2000/svg" height="1.5em" width="1.5em" viewBox="0 0 640 512">
-                            <path fill="var(--md-primary-bg-color)"
-                                d="M88.2 309.1c9.8-18.3 6.8-40.8-7.5-55.8C59.4 230.9 48 204 48 176c0-63.5 63.8-128 160-128s160 64.5 160 128s-63.8 128-160 128c-13.1 0-25.8-1.3-37.8-3.6c-10.4-2-21.2-.6-30.7 4.2c-4.1 2.1-8.3 4.1-12.6 6c-16 7.2-32.9 13.5-49.9 18c2.8-4.6 5.4-9.1 7.9-13.6c1.1-1.9 2.2-3.9 3.2-5.9zM0 176c0 41.8 17.2 80.1 45.9 110.3c-.9 1.7-1.9 3.5-2.8 5.1c-10.3 18.4-22.3 36.5-36.6 52.1c-6.6 7-8.3 17.2-4.6 25.9C5.8 378.3 14.4 384 24 384c43 0 86.5-13.3 122.7-29.7c4.8-2.2 9.6-4.5 14.2-6.8c15.1 3 30.9 4.5 47.1 4.5c114.9 0 208-78.8 208-176S322.9 0 208 0S0 78.8 0 176zM432 480c16.2 0 31.9-1.6 47.1-4.5c4.6 2.3 9.4 4.6 14.2 6.8C529.5 498.7 573 512 616 512c9.6 0 18.2-5.7 22-14.5c3.8-8.8 2-19-4.6-25.9c-14.2-15.6-26.2-33.7-36.6-52.1c-.9-1.7-1.9-3.4-2.8-5.1C622.8 384.1 640 345.8 640 304c0-94.4-87.9-171.5-198.2-175.8c4.1 15.2 6.2 31.2 6.2 47.8l0 .6c87.2 6.7 144 67.5 144 127.4c0 28-11.4 54.9-32.7 77.2c-14.3 15-17.3 37.6-7.5 55.8c1.1 2 2.2 4 3.2 5.9c2.5 4.5 5.2 9 7.9 13.6c-17-4.5-33.9-10.7-49.9-18c-4.3-1.9-8.5-3.9-12.6-6c-9.5-4.8-20.3-6.2-30.7-4.2c-12.1 2.4-24.7 3.6-37.8 3.6c-61.7 0-110-26.5-136.8-62.3c-16 5.4-32.8 9.4-50 11.8C279 439.8 350 480 432 480z" />
+                            <path fill="var(--md-primary-bg-color)" d="M88.2 309.1c9.8-18.3 6.8-40.8-7.5-55.8C59.4 230.9 48 204 48 176c0-63.5 63.8-128 160-128s160 64.5 160 128s-63.8 128-160 128c-13.1 0-25.8-1.3-37.8-3.6c-10.4-2-21.2-.6-30.7 4.2c-4.1 2.1-8.3 4.1-12.6 6c-16 7.2-32.9 13.5-49.9 18c2.8-4.6 5.4-9.1 7.9-13.6c1.1-1.9 2.2-3.9 3.2-5.9zM0 176c0 41.8 17.2 80.1 45.9 110.3c-.9 1.7-1.9 3.5-2.8 5.1c-10.3 18.4-22.3 36.5-36.6 52.1c-6.6 7-8.3 17.2-4.6 25.9C5.8 378.3 14.4 384 24 384c43 0 86.5-13.3 122.7-29.7c4.8-2.2 9.6-4.5 14.2-6.8c15.1 3 30.9 4.5 47.1 4.5c114.9 0 208-78.8 208-176S322.9 0 208 0S0 78.8 0 176zM432 480c16.2 0 31.9-1.6 47.1-4.5c4.6 2.3 9.4 4.6 14.2 6.8C529.5 498.7 573 512 616 512c9.6 0 18.2-5.7 22-14.5c3.8-8.8 2-19-4.6-25.9c-14.2-15.6-26.2-33.7-36.6-52.1c-.9-1.7-1.9-3.4-2.8-5.1C622.8 384.1 640 345.8 640 304c0-94.4-87.9-171.5-198.2-175.8c4.1 15.2 6.2 31.2 6.2 47.8l0 .6c87.2 6.7 144 67.5 144 127.4c0 28-11.4 54.9-32.7 77.2c-14.3 15-17.3 37.6-7.5 55.8c1.1 2 2.2 4 3.2 5.9c2.5 4.5 5.2 9 7.9 13.6c-17-4.5-33.9-10.7-49.9-18c-4.3-1.9-8.5-3.9-12.6-6c-9.5-4.8-20.3-6.2-30.7-4.2c-12.1 2.4-24.7 3.6-37.8 3.6c-61.7 0-110-26.5-136.8-62.3c-16 5.4-32.8 9.4-50 11.8C279 439.8 350 480 432 480z" />
                         </svg>
                         <h3 style="margin-left: 0.5em;">互助学习</h3>
                     </div>
@@ -280,16 +259,14 @@
             <div class="profile-div">
                 <div class="profile-cell">
                     <a href="https://github.com/codingonion">
-                        <img class="profile-img" src="assets/avatar/avatar_codingonion.jpg"
-                            alt="Reviewer: codingonion" />
+                        <img class="profile-img" src="assets/avatar/avatar_codingonion.jpg" alt="Reviewer: codingonion" />
                         <br><b>codingonion</b>
                         <br><sub>Zig, Rust</sub>
                     </a>
                 </div>
                 <div class="profile-cell">
                     <a href="https://github.com/curtishd">
-                        <img class="profile-img" src="assets/avatar/avatar_curtishd.jpg"
-                            alt="Reviewer: curtishd" />
+                        <img class="profile-img" src="assets/avatar/avatar_curtishd.jpg" alt="Reviewer: curtishd" />
                         <br><b>curtishd</b>
                         <br><sub>Kotlin</sub>
                     </a>
@@ -338,8 +315,7 @@
                 </div>
                 <div class="profile-cell">
                     <a href="https://github.com/night-cruise">
-                        <img class="profile-img" src="assets/avatar/avatar_night-cruise.jpg"
-                            alt="Reviewer: night-cruise" />
+                        <img class="profile-img" src="assets/avatar/avatar_night-cruise.jpg" alt="Reviewer: night-cruise" />
                         <br><b>night-cruise</b>
                         <br><sub>Rust</sub>
                     </a>
@@ -373,9 +349,8 @@
             <h3>贡献者</h3>
             <p>本书在开源社区一百多位贡献者的共同努力下不断完善，感谢他们付出的时间与精力！</p>
             <a href="https://github.com/krahets/hello-algo/graphs/contributors">
-                <img src="https://contrib.rocks/image?repo=krahets/hello-algo&max=300&columns=16" alt="Contributors"
-                    style="width: 100%; max-width: 38.5em;">
+                <img src="https://contrib.rocks/image?repo=krahets/hello-algo&max=300&columns=16" alt="Contributors" style="width: 100%; max-width: 38.5em;">
             </a>
         </div>
     </div>
-</section>
\ No newline at end of file
+</section>
diff --git a/en/docs/index.html b/en/docs/index.html
index 07a650021..e6910529d 100644
--- a/en/docs/index.html
+++ b/en/docs/index.html
@@ -1,30 +1,24 @@
-<!--Section: hero -->
-<section data-md-color-scheme="slate" data-md-color-primary="grey" class="home-div"
-    style="height: min(100vh, 120vw); position: relative; margin-top:-2.4rem; padding: 0; overflow: hidden;">
+<!-- Section: hero -->
+<section data-md-color-scheme="slate" data-md-color-primary="grey" class="home-div" style="height: min(100vh, 120vw); position: relative; margin-top:-2.4rem; padding: 0; overflow: hidden;">
     <!-- hero image -->
     <img src="../assets/hero/universe_bg.png" class="hero-bg" alt="">
     <div class="hero-div">
-        <img src="../assets/hero/ground.png" alt=""
-            style="position: absolute; width: auto; height: 26.445%; left: 28.211%; top: 54.145%;">
-        <img src="../assets/hero/links.png" alt=""
-            style="position: absolute; width: auto; height: 78.751%; left: 10.545%; top: 7.326%;">
+        <img src="../assets/hero/ground.png" alt="" style="position: absolute; width: auto; height: 26.445%; left: 28.211%; top: 54.145%;">
+        <img src="../assets/hero/links.png" alt="" style="position: absolute; width: auto; height: 78.751%; left: 10.545%; top: 7.326%;">
         <a href="chapter_introduction/">
             <img src="../assets/hero/astronaut.png" alt="" style="height: 46.673%; left: 35.413%; top: 24.343%;">
             <span style="left: 52.744%; top: 22.319%;">Encounter with Algorithms</span>
         </a>
         <a href="chapter_computational_complexity/">
-            <img src="../assets/hero/chapter_computational_complexity.png" alt=""
-                style="height: 12.347%; left: 36.267%; top: 37.653%;">
+            <img src="../assets/hero/chapter_computational_complexity.png" alt="" style="height: 12.347%; left: 36.267%; top: 37.653%;">
             <span style="left: 40.244%; top: 33.919%;">Complexity analysis</span>
         </a>
         <a href="chapter_array_and_linkedlist/">
-            <img src="../assets/hero/chapter_array_and_linkedlist.png" alt=""
-                style="height: 22.242%; left: 73.242%; top: 52.481%;">
+            <img src="../assets/hero/chapter_array_and_linkedlist.png" alt="" style="height: 22.242%; left: 73.242%; top: 52.481%;">
             <span style="left: 90.897%; top: 76.259%;">Array and linked list</span>
         </a>
         <a href="chapter_stack_and_queue/">
-            <img src="../assets/hero/chapter_stack_and_queue.png" alt=""
-                style="height: 14.302%; left: 62.646%; top: 77.875%;">
+            <img src="../assets/hero/chapter_stack_and_queue.png" alt="" style="height: 14.302%; left: 62.646%; top: 77.875%;">
             <span style="left: 80.071%; top: 88.25%;">Stack and queue</span>
         </a>
         <a href="chapter_hashing/">
@@ -52,8 +46,7 @@
             <span style="left: 28.805%; top: 53.808%;">Sorting</span>
         </a>
         <a href="chapter_divide_and_conquer/">
-            <img src="../assets/hero/chapter_divide_and_conquer.png" alt=""
-                style="height: 18.681%; left: 32.721%; top: 4.816%;">
+            <img src="../assets/hero/chapter_divide_and_conquer.png" alt="" style="height: 18.681%; left: 32.721%; top: 4.816%;">
             <span style="left: 29.42%; top: 6.679%;">Divide and conquer</span>
         </a>
         <a href="chapter_backtracking/">
@@ -61,8 +54,7 @@
             <span style="left: 4.742%; top: 50.113%;">Backtracking</span>
         </a>
         <a href="chapter_dynamic_programming/">
-            <img src="../assets/hero/chapter_dynamic_programming.png" alt=""
-                style="height: 15.47%; left: 9.406%; top: 57.472%;">
+            <img src="../assets/hero/chapter_dynamic_programming.png" alt="" style="height: 15.47%; left: 9.406%; top: 57.472%;">
             <span style="left: 8.561%; top: 75.351%;">Dynamic programming</span>
         </a>
         <a href="chapter_greedy/">
@@ -73,25 +65,20 @@
 
     <!-- heading -->
     <div class="heading-div">
-        <img style="height: min(9vh, 12vw);"
-            src="https://readme-typing-svg.demolab.com?font=Noto+Sans+SC&weight=400&duration=3500&pause=2000&color=21C8B8&center=true&vCenter=true&random=false&width=200&lines=Hello%2C+Algo+!"
-            alt="" />
+        <img style="height: min(9vh, 12vw);" src="https://readme-typing-svg.demolab.com?font=Noto+Sans+SC&weight=400&duration=3500&pause=2000&color=21C8B8&center=true&vCenter=true&random=false&width=200&lines=Hello%2C+Algo+!" alt="" />
         <div style="pointer-events: auto;">
             <p style="margin-top: max(-1vh, -2vw); margin-bottom: min(2vh, 3.5vw);">
                 Data structures and algorithms crash course with animated illustrations and off-the-shelf code
             </p>
             <a href="chapter_hello_algo/" class="rounded-button">
-                <svg xmlns="http://www.w3.org/2000/svg"
-                    viewBox="0 0 512 512"><!--!Font Awesome Free 6.5.1 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2024 Fonticons, Inc.-->
-                    <path
-                        d="M160 96a96 96 0 1 1 192 0A96 96 0 1 1 160 96zm80 152V512l-48.4-24.2c-20.9-10.4-43.5-17-66.8-19.3l-96-9.6C12.5 457.2 0 443.5 0 427V224c0-17.7 14.3-32 32-32H62.3c63.6 0 125.6 19.6 177.7 56zm32 264V248c52.1-36.4 114.1-56 177.7-56H480c17.7 0 32 14.3 32 32V427c0 16.4-12.5 30.2-28.8 31.8l-96 9.6c-23.2 2.3-45.9 8.9-66.8 19.3L272 512z" />
+                <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--!Font Awesome Free 6.5.1 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2024 Fonticons, Inc.-->
+                    <path d="M160 96a96 96 0 1 1 192 0A96 96 0 1 1 160 96zm80 152V512l-48.4-24.2c-20.9-10.4-43.5-17-66.8-19.3l-96-9.6C12.5 457.2 0 443.5 0 427V224c0-17.7 14.3-32 32-32H62.3c63.6 0 125.6 19.6 177.7 56zm32 264V248c52.1-36.4 114.1-56 177.7-56H480c17.7 0 32 14.3 32 32V427c0 16.4-12.5 30.2-28.8 31.8l-96 9.6c-23.2 2.3-45.9 8.9-66.8 19.3L272 512z" />
                 </svg>
                 <span>Dive in</span>
             </a>
             <a href="https://github.com/krahets/hello-algo" class="rounded-button">
                 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 496 512">
-                    <path
-                        d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3 .3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5 .3-6.2 2.3zm44.2-1.7c-2.9 .7-4.9 2.6-4.6 4.9 .3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3 .7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3 .3 2.9 2.3 3.9 1.6 1 3.6 .7 4.3-.7 .7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3 .7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3 .7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z">
+                    <path d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3 .3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5 .3-6.2 2.3zm44.2-1.7c-2.9 .7-4.9 2.6-4.6 4.9 .3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3 .7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3 .3 2.9 2.3 3.9 1.6 1 3.6 .7 4.3-.7 .7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3 .7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3 .7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z">
                     </path>
                 </svg>
                 <span>GitHub</span>
@@ -99,10 +86,8 @@
         </div>
         <!-- arrow -->
         <div style="text-align: center; margin-top: min(2.5vh, 3.5vw);">
-            <svg xmlns="http://www.w3.org/2000/svg" fill="var(--md-default-fg-color)" height="2vh"
-                viewBox="0 0 384 512">
-                <path
-                    d="M169.4 470.6c12.5 12.5 32.8 12.5 45.3 0l160-160c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L224 370.8 224 64c0-17.7-14.3-32-32-32s-32 14.3-32 32l0 306.7L54.6 265.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l160 160z" />
+            <svg xmlns="http://www.w3.org/2000/svg" fill="var(--md-default-fg-color)" height="2vh" viewBox="0 0 384 512">
+                <path d="M169.4 470.6c12.5 12.5 32.8 12.5 45.3 0l160-160c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L224 370.8 224 64c0-17.7-14.3-32-32-32s-32 14.3-32 32l0 306.7L54.6 265.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l160 160z" />
             </svg>
         </div>
     </div>
@@ -148,8 +133,7 @@
                     <div class="text-button">
                         <span>Paperbook</span>
                         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512">
-                            <path
-                                d="M278.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-160 160c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L210.7 256 73.4 118.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l160 160z" />
+                            <path d="M278.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-160 160c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L210.7 256 73.4 118.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l160 160z" />
                         </svg>
                     </div>
                 </a>
@@ -162,8 +146,7 @@
                     <div class="text-button">
                         <span>Read online</span>
                         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512">
-                            <path
-                                d="M278.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-160 160c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L210.7 256 73.4 118.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l160 160z" />
+                            <path d="M278.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-160 160c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L210.7 256 73.4 118.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l160 160z" />
                         </svg>
                     </div>
                 </a>
@@ -174,8 +157,7 @@
                     <div class="text-button">
                         <span>Download PDF</span>
                         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512">
-                            <path
-                                d="M278.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-160 160c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L210.7 256 73.4 118.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l160 160z" />
+                            <path d="M278.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-160 160c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L210.7 256 73.4 118.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l160 160z" />
                         </svg>
                     </div>
                 </a>
@@ -209,8 +191,7 @@
                 <div>
                     <div style="display: flex; align-items: center;">
                         <svg xmlns="http://www.w3.org/2000/svg" height="1.5em" width="1.5em" viewBox="0 0 640 512">
-                            <path fill="var(--md-primary-bg-color)"
-                                d="M256 0H576c35.3 0 64 28.7 64 64V288c0 35.3-28.7 64-64 64H256c-35.3 0-64-28.7-64-64V64c0-35.3 28.7-64 64-64zM476 106.7C471.5 100 464 96 456 96s-15.5 4-20 10.7l-56 84L362.7 169c-4.6-5.7-11.5-9-18.7-9s-14.2 3.3-18.7 9l-64 80c-5.8 7.2-6.9 17.1-2.9 25.4s12.4 13.6 21.6 13.6h80 48H552c8.9 0 17-4.9 21.2-12.7s3.7-17.3-1.2-24.6l-96-144zM336 96a32 32 0 1 0 -64 0 32 32 0 1 0 64 0zM64 128h96V384v32c0 17.7 14.3 32 32 32H320c17.7 0 32-14.3 32-32V384H512v64c0 35.3-28.7 64-64 64H64c-35.3 0-64-28.7-64-64V192c0-35.3 28.7-64 64-64zm8 64c-8.8 0-16 7.2-16 16v16c0 8.8 7.2 16 16 16H88c8.8 0 16-7.2 16-16V208c0-8.8-7.2-16-16-16H72zm0 104c-8.8 0-16 7.2-16 16v16c0 8.8 7.2 16 16 16H88c8.8 0 16-7.2 16-16V312c0-8.8-7.2-16-16-16H72zm0 104c-8.8 0-16 7.2-16 16v16c0 8.8 7.2 16 16 16H88c8.8 0 16-7.2 16-16V416c0-8.8-7.2-16-16-16H72zm336 16v16c0 8.8 7.2 16 16 16h16c8.8 0 16-7.2 16-16V416c0-8.8-7.2-16-16-16H424c-8.8 0-16 7.2-16 16z" />
+                            <path fill="var(--md-primary-bg-color)" d="M256 0H576c35.3 0 64 28.7 64 64V288c0 35.3-28.7 64-64 64H256c-35.3 0-64-28.7-64-64V64c0-35.3 28.7-64 64-64zM476 106.7C471.5 100 464 96 456 96s-15.5 4-20 10.7l-56 84L362.7 169c-4.6-5.7-11.5-9-18.7-9s-14.2 3.3-18.7 9l-64 80c-5.8 7.2-6.9 17.1-2.9 25.4s12.4 13.6 21.6 13.6h80 48H552c8.9 0 17-4.9 21.2-12.7s3.7-17.3-1.2-24.6l-96-144zM336 96a32 32 0 1 0 -64 0 32 32 0 1 0 64 0zM64 128h96V384v32c0 17.7 14.3 32 32 32H320c17.7 0 32-14.3 32-32V384H512v64c0 35.3-28.7 64-64 64H64c-35.3 0-64-28.7-64-64V192c0-35.3 28.7-64 64-64zm8 64c-8.8 0-16 7.2-16 16v16c0 8.8 7.2 16 16 16H88c8.8 0 16-7.2 16-16V208c0-8.8-7.2-16-16-16H72zm0 104c-8.8 0-16 7.2-16 16v16c0 8.8 7.2 16 16 16H88c8.8 0 16-7.2 16-16V312c0-8.8-7.2-16-16-16H72zm0 104c-8.8 0-16 7.2-16 16v16c0 8.8 7.2 16 16 16H88c8.8 0 16-7.2 16-16V416c0-8.8-7.2-16-16-16H72zm336 16v16c0 8.8 7.2 16 16 16h16c8.8 0 16-7.2 16-16V416c0-8.8-7.2-16-16-16H424c-8.8 0-16 7.2-16 16z" />
                         </svg>
                         <h3 style="margin-left: 0.5em;">Animated illustrations</h3>
                     </div>
@@ -227,8 +208,7 @@
                 <div>
                     <div style="display: flex; align-items: center;">
                         <svg xmlns="http://www.w3.org/2000/svg" height="1.5em" width="1.5em" viewBox="0 0 640 512">
-                            <path fill="var(--md-primary-bg-color)"
-                                d="M392.8 1.2c-17-4.9-34.7 5-39.6 22l-128 448c-4.9 17 5 34.7 22 39.6s34.7-5 39.6-22l128-448c4.9-17-5-34.7-22-39.6zm80.6 120.1c-12.5 12.5-12.5 32.8 0 45.3L562.7 256l-89.4 89.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0l112-112c12.5-12.5 12.5-32.8 0-45.3l-112-112c-12.5-12.5-32.8-12.5-45.3 0zm-306.7 0c-12.5-12.5-32.8-12.5-45.3 0l-112 112c-12.5 12.5-12.5 32.8 0 45.3l112 112c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L77.3 256l89.4-89.4c12.5-12.5 12.5-32.8 0-45.3z" />
+                            <path fill="var(--md-primary-bg-color)" d="M392.8 1.2c-17-4.9-34.7 5-39.6 22l-128 448c-4.9 17 5 34.7 22 39.6s34.7-5 39.6-22l128-448c4.9-17-5-34.7-22-39.6zm80.6 120.1c-12.5 12.5-12.5 32.8 0 45.3L562.7 256l-89.4 89.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0l112-112c12.5-12.5 12.5-32.8 0-45.3l-112-112c-12.5-12.5-32.8-12.5-45.3 0zm-306.7 0c-12.5-12.5-32.8-12.5-45.3 0l-112 112c-12.5 12.5-12.5 32.8 0 45.3l112 112c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L77.3 256l89.4-89.4c12.5-12.5 12.5-32.8 0-45.3z" />
                         </svg>
                         <h3 style="margin-left: 0.5em;">Off-the-shelf code</h3>
                     </div>
@@ -243,8 +223,7 @@
                 <div>
                     <div style="display: flex; align-items: center;">
                         <svg xmlns="http://www.w3.org/2000/svg" height="1.5em" width="1.5em" viewBox="0 0 640 512">
-                            <path fill="var(--md-primary-bg-color)"
-                                d="M88.2 309.1c9.8-18.3 6.8-40.8-7.5-55.8C59.4 230.9 48 204 48 176c0-63.5 63.8-128 160-128s160 64.5 160 128s-63.8 128-160 128c-13.1 0-25.8-1.3-37.8-3.6c-10.4-2-21.2-.6-30.7 4.2c-4.1 2.1-8.3 4.1-12.6 6c-16 7.2-32.9 13.5-49.9 18c2.8-4.6 5.4-9.1 7.9-13.6c1.1-1.9 2.2-3.9 3.2-5.9zM0 176c0 41.8 17.2 80.1 45.9 110.3c-.9 1.7-1.9 3.5-2.8 5.1c-10.3 18.4-22.3 36.5-36.6 52.1c-6.6 7-8.3 17.2-4.6 25.9C5.8 378.3 14.4 384 24 384c43 0 86.5-13.3 122.7-29.7c4.8-2.2 9.6-4.5 14.2-6.8c15.1 3 30.9 4.5 47.1 4.5c114.9 0 208-78.8 208-176S322.9 0 208 0S0 78.8 0 176zM432 480c16.2 0 31.9-1.6 47.1-4.5c4.6 2.3 9.4 4.6 14.2 6.8C529.5 498.7 573 512 616 512c9.6 0 18.2-5.7 22-14.5c3.8-8.8 2-19-4.6-25.9c-14.2-15.6-26.2-33.7-36.6-52.1c-.9-1.7-1.9-3.4-2.8-5.1C622.8 384.1 640 345.8 640 304c0-94.4-87.9-171.5-198.2-175.8c4.1 15.2 6.2 31.2 6.2 47.8l0 .6c87.2 6.7 144 67.5 144 127.4c0 28-11.4 54.9-32.7 77.2c-14.3 15-17.3 37.6-7.5 55.8c1.1 2 2.2 4 3.2 5.9c2.5 4.5 5.2 9 7.9 13.6c-17-4.5-33.9-10.7-49.9-18c-4.3-1.9-8.5-3.9-12.6-6c-9.5-4.8-20.3-6.2-30.7-4.2c-12.1 2.4-24.7 3.6-37.8 3.6c-61.7 0-110-26.5-136.8-62.3c-16 5.4-32.8 9.4-50 11.8C279 439.8 350 480 432 480z" />
+                            <path fill="var(--md-primary-bg-color)" d="M88.2 309.1c9.8-18.3 6.8-40.8-7.5-55.8C59.4 230.9 48 204 48 176c0-63.5 63.8-128 160-128s160 64.5 160 128s-63.8 128-160 128c-13.1 0-25.8-1.3-37.8-3.6c-10.4-2-21.2-.6-30.7 4.2c-4.1 2.1-8.3 4.1-12.6 6c-16 7.2-32.9 13.5-49.9 18c2.8-4.6 5.4-9.1 7.9-13.6c1.1-1.9 2.2-3.9 3.2-5.9zM0 176c0 41.8 17.2 80.1 45.9 110.3c-.9 1.7-1.9 3.5-2.8 5.1c-10.3 18.4-22.3 36.5-36.6 52.1c-6.6 7-8.3 17.2-4.6 25.9C5.8 378.3 14.4 384 24 384c43 0 86.5-13.3 122.7-29.7c4.8-2.2 9.6-4.5 14.2-6.8c15.1 3 30.9 4.5 47.1 4.5c114.9 0 208-78.8 208-176S322.9 0 208 0S0 78.8 0 176zM432 480c16.2 0 31.9-1.6 47.1-4.5c4.6 2.3 9.4 4.6 14.2 6.8C529.5 498.7 573 512 616 512c9.6 0 18.2-5.7 22-14.5c3.8-8.8 2-19-4.6-25.9c-14.2-15.6-26.2-33.7-36.6-52.1c-.9-1.7-1.9-3.4-2.8-5.1C622.8 384.1 640 345.8 640 304c0-94.4-87.9-171.5-198.2-175.8c4.1 15.2 6.2 31.2 6.2 47.8l0 .6c87.2 6.7 144 67.5 144 127.4c0 28-11.4 54.9-32.7 77.2c-14.3 15-17.3 37.6-7.5 55.8c1.1 2 2.2 4 3.2 5.9c2.5 4.5 5.2 9 7.9 13.6c-17-4.5-33.9-10.7-49.9-18c-4.3-1.9-8.5-3.9-12.6-6c-9.5-4.8-20.3-6.2-30.7-4.2c-12.1 2.4-24.7 3.6-37.8 3.6c-61.7 0-110-26.5-136.8-62.3c-16 5.4-32.8 9.4-50 11.8C279 439.8 350 480 432 480z" />
                         </svg>
                         <h3 style="margin-left: 0.5em;">Learning together</h3>
                     </div>
@@ -280,16 +259,14 @@
             <div class="profile-div">
                 <div class="profile-cell">
                     <a href="https://github.com/codingonion">
-                        <img class="profile-img" src="../assets/avatar/avatar_codingonion.jpg"
-                            alt="Reviewer: codingonion" />
+                        <img class="profile-img" src="../assets/avatar/avatar_codingonion.jpg" alt="Reviewer: codingonion" />
                         <br><b>codingonion</b>
                         <br><sub>Zig, Rust</sub>
                     </a>
                 </div>
                 <div class="profile-cell">
                     <a href="https://github.com/curtishd">
-                        <img class="profile-img" src="../assets/avatar/avatar_curtishd.jpg"
-                            alt="Reviewer: curtishd" />
+                        <img class="profile-img" src="../assets/avatar/avatar_curtishd.jpg" alt="Reviewer: curtishd" />
                         <br><b>curtishd</b>
                         <br><sub>Kotlin</sub>
                     </a>
@@ -338,8 +315,7 @@
                 </div>
                 <div class="profile-cell">
                     <a href="https://github.com/night-cruise">
-                        <img class="profile-img" src="../assets/avatar/avatar_night-cruise.jpg"
-                            alt="Reviewer: night-cruise" />
+                        <img class="profile-img" src="../assets/avatar/avatar_night-cruise.jpg" alt="Reviewer: night-cruise" />
                         <br><b>night-cruise</b>
                         <br><sub>Rust</sub>
                     </a>
@@ -374,71 +350,61 @@
             <div class="profile-div">
                 <div class="profile-cell">
                     <a href="https://github.com/yuelinxin">
-                        <img class="profile-img" src="../assets/avatar/avatar_yuelinxin.jpg"
-                            alt="Reviewer: yuelinxin" />
+                        <img class="profile-img" src="../assets/avatar/avatar_yuelinxin.jpg" alt="Reviewer: yuelinxin" />
                         <br><b>yuelinxin</b>
                     </a>
                 </div>
                 <div class="profile-cell">
                     <a href="https://github.com/K3v123">
-                        <img class="profile-img" src="../assets/avatar/avatar_K3v123.jpg"
-                            alt="Reviewer: K3v123" />
+                        <img class="profile-img" src="../assets/avatar/avatar_K3v123.jpg" alt="Reviewer: K3v123" />
                         <br><b>K3v123</b>
                     </a>
                 </div>
                 <div class="profile-cell">
                     <a href="https://github.com/QiLOL">
-                        <img class="profile-img" src="../assets/avatar/avatar_QiLOL.jpg"
-                            alt="Reviewer: QiLOL" />
+                        <img class="profile-img" src="../assets/avatar/avatar_QiLOL.jpg" alt="Reviewer: QiLOL" />
                         <br><b>QiLOL</b>
                     </a>
                 </div>
                 <div class="profile-cell">
                     <a href="https://github.com/Phoenix0415">
-                        <img class="profile-img" src="../assets/avatar/avatar_Phoenix0415.jpg"
-                            alt="Reviewer: Phoenix0415" />
+                        <img class="profile-img" src="../assets/avatar/avatar_Phoenix0415.jpg" alt="Reviewer: Phoenix0415" />
                         <br><b>Phoenix0415</b>
                     </a>
                 </div>
                 <div class="profile-cell">
                     <a href="https://github.com/SamJin98">
-                        <img class="profile-img" src="../assets/avatar/avatar_SamJin98.jpg"
-                            alt="Reviewer: SamJin98" />
+                        <img class="profile-img" src="../assets/avatar/avatar_SamJin98.jpg" alt="Reviewer: SamJin98" />
                         <br><b>SamJin98</b>
                     </a>
                 </div>
                 <div class="profile-cell">
                     <a href="https://github.com/yanedie">
-                        <img class="profile-img" src="../assets/avatar/avatar_yanedie.jpg"
-                            alt="Reviewer: yanedie" />
+                        <img class="profile-img" src="../assets/avatar/avatar_yanedie.jpg" alt="Reviewer: yanedie" />
                         <br><b>yanedie</b>
                     </a>
                 </div>
                 <div class="profile-cell">
                     <a href="https://github.com/RafaelCaso">
-                        <img class="profile-img" src="../assets/avatar/avatar_RafaelCaso.jpg"
-                            alt="Reviewer: RafaelCaso" />
+                        <img class="profile-img" src="../assets/avatar/avatar_RafaelCaso.jpg" alt="Reviewer: RafaelCaso" />
                         <br><b>RafaelCaso</b>
                     </a>
                 </div>
                 <div class="profile-cell">
                     <a href="https://github.com/pengchzn">
-                        <img class="profile-img" src="../assets/avatar/avatar_pengchzn.jpg"
-                            alt="Reviewer: pengchzn" />
+                        <img class="profile-img" src="../assets/avatar/avatar_pengchzn.jpg" alt="Reviewer: pengchzn" />
                         <br><b>pengchzn</b>
                     </a>
                 </div>
                 <div class="profile-cell">
                     <a href="https://github.com/thomasq0">
-                        <img class="profile-img" src="../assets/avatar/avatar_thomasq0.jpg"
-                            alt="Reviewer: thomasq0" />
+                        <img class="profile-img" src="../assets/avatar/avatar_thomasq0.jpg" alt="Reviewer: thomasq0" />
                         <br><b>thomasq0</b>
                     </a>
                 </div>
                 <div class="profile-cell">
                     <a href="https://github.com/magentaqin">
-                        <img class="profile-img" src="../assets/avatar/avatar_magentaqin.jpg"
-                            alt="Reviewer: magentaqin" />
+                        <img class="profile-img" src="../assets/avatar/avatar_magentaqin.jpg" alt="Reviewer: magentaqin" />
                         <br><b>magentaqin</b>
                     </a>
                 </div>
@@ -448,11 +414,10 @@
         <!-- contributors -->
         <div style="margin: 2em auto;">
             <h3>Contributors</h3>
-            <p>This book has been enhanced through the collaborative efforts of more than 100 contributors. Thanks for their invaluable time and input!</p>
+            <p>This book has been optimized by the efforts of over 180 contributors. We sincerely thank them for their invaluable time and contributions!</p>
             <a href="https://github.com/krahets/hello-algo/graphs/contributors">
-                <img src="https://contrib.rocks/image?repo=krahets/hello-algo&max=300&columns=16" alt="Contributors"
-                    style="width: 100%; max-width: 38.5em;">
+                <img src="https://contrib.rocks/image?repo=krahets/hello-algo&max=300&columns=16" alt="Contributors" style="width: 100%; max-width: 38.5em;">
             </a>
         </div>
     </div>
-</section>
\ No newline at end of file
+</section>
diff --git a/zh-hant/docs/index.html b/zh-hant/docs/index.html
index 72dce4b1c..681f66b53 100644
--- a/zh-hant/docs/index.html
+++ b/zh-hant/docs/index.html
@@ -1,30 +1,24 @@
-<!--Section: hero -->
-<section data-md-color-scheme="slate" data-md-color-primary="grey" class="home-div"
-    style="height: min(100vh, 120vw); position: relative; margin-top:-2.4rem; padding: 0; overflow: hidden;">
+<!-- Section: hero -->
+<section data-md-color-scheme="slate" data-md-color-primary="grey" class="home-div" style="height: min(100vh, 120vw); position: relative; margin-top:-2.4rem; padding: 0; overflow: hidden;">
     <!-- hero image -->
     <img src="../assets/hero/universe_bg.png" class="hero-bg" alt="">
     <div class="hero-div">
-        <img src="../assets/hero/ground.png" alt=""
-            style="position: absolute; width: auto; height: 26.445%; left: 28.211%; top: 54.145%;">
-        <img src="../assets/hero/links.png" alt=""
-            style="position: absolute; width: auto; height: 78.751%; left: 10.545%; top: 7.326%;">
+        <img src="../assets/hero/ground.png" alt="" style="position: absolute; width: auto; height: 26.445%; left: 28.211%; top: 54.145%;">
+        <img src="../assets/hero/links.png" alt="" style="position: absolute; width: auto; height: 78.751%; left: 10.545%; top: 7.326%;">
         <a href="chapter_introduction/">
             <img src="../assets/hero/astronaut.png" alt="" style="height: 46.673%; left: 35.413%; top: 24.343%;">
             <span style="left: 52.244%; top: 20.919%;">初識演算法</span>
         </a>
         <a href="chapter_computational_complexity/">
-            <img src="../assets/hero/chapter_computational_complexity.png" alt=""
-                style="height: 12.347%; left: 36.267%; top: 37.653%;">
+            <img src="../assets/hero/chapter_computational_complexity.png" alt="" style="height: 12.347%; left: 36.267%; top: 37.653%;">
             <span style="left: 39.244%; top: 33.919%;">複雜度</span>
         </a>
         <a href="chapter_array_and_linkedlist/">
-            <img src="../assets/hero/chapter_array_and_linkedlist.png" alt=""
-                style="height: 22.242%; left: 73.242%; top: 52.481%;">
+            <img src="../assets/hero/chapter_array_and_linkedlist.png" alt="" style="height: 22.242%; left: 73.242%; top: 52.481%;">
             <span style="left: 90.897%; top: 76.259%;">陣列與鏈結串列</span>
         </a>
         <a href="chapter_stack_and_queue/">
-            <img src="../assets/hero/chapter_stack_and_queue.png" alt=""
-                style="height: 14.302%; left: 62.646%; top: 77.875%;">
+            <img src="../assets/hero/chapter_stack_and_queue.png" alt="" style="height: 14.302%; left: 62.646%; top: 77.875%;">
             <span style="left: 77.571%; top: 91.25%;">堆疊與佇列</span>
         </a>
         <a href="chapter_hashing/">
@@ -52,8 +46,7 @@
             <span style="left: 28.805%; top: 53.808%;">排序</span>
         </a>
         <a href="chapter_divide_and_conquer/">
-            <img src="../assets/hero/chapter_divide_and_conquer.png" alt=""
-                style="height: 18.681%; left: 32.721%; top: 4.816%;">
+            <img src="../assets/hero/chapter_divide_and_conquer.png" alt="" style="height: 18.681%; left: 32.721%; top: 4.816%;">
             <span style="left: 31.42%; top: 8.679%;">分治</span>
         </a>
         <a href="chapter_backtracking/">
@@ -61,8 +54,7 @@
             <span style="left: 4.742%; top: 50.113%;">回溯</span>
         </a>
         <a href="chapter_dynamic_programming/">
-            <img src="../assets/hero/chapter_dynamic_programming.png" alt=""
-                style="height: 15.47%; left: 9.406%; top: 57.472%;">
+            <img src="../assets/hero/chapter_dynamic_programming.png" alt="" style="height: 15.47%; left: 9.406%; top: 57.472%;">
             <span style="left: 8.561%; top: 75.351%;">動態規劃</span>
         </a>
         <a href="chapter_greedy/">
@@ -73,25 +65,20 @@
 
     <!-- heading -->
     <div class="heading-div">
-        <img style="height: min(9vh, 12vw);"
-            src="https://readme-typing-svg.demolab.com/?font=Noto+Sans+SC&weight=400&duration=3500&pause=2000&color=FFF&center=true&vCenter=true&random=false&width=200&lines=Hello%2C+%E6%BC%94%E7%AE%97%E6%B3%95+!"
-            alt="" />
+        <img style="height: min(9vh, 12vw);" src="https://readme-typing-svg.demolab.com/?font=Noto+Sans+SC&weight=400&duration=3500&pause=2000&color=FFF&center=true&vCenter=true&random=false&width=200&lines=Hello%2C+%E6%BC%94%E7%AE%97%E6%B3%95+!" alt="" />
         <div style="pointer-events: auto;">
             <p style="margin-top: max(-1vh, -2vw); margin-bottom: min(2vh, 3.5vw);">
                 動畫圖解、一鍵執行的資料結構與演算法教程
             </p>
             <a href="chapter_hello_algo/" class="rounded-button">
-                <svg xmlns="http://www.w3.org/2000/svg"
-                    viewBox="0 0 512 512"><!--!Font Awesome Free 6.5.1 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2024 Fonticons, Inc.-->
-                    <path
-                        d="M160 96a96 96 0 1 1 192 0A96 96 0 1 1 160 96zm80 152V512l-48.4-24.2c-20.9-10.4-43.5-17-66.8-19.3l-96-9.6C12.5 457.2 0 443.5 0 427V224c0-17.7 14.3-32 32-32H62.3c63.6 0 125.6 19.6 177.7 56zm32 264V248c52.1-36.4 114.1-56 177.7-56H480c17.7 0 32 14.3 32 32V427c0 16.4-12.5 30.2-28.8 31.8l-96 9.6c-23.2 2.3-45.9 8.9-66.8 19.3L272 512z" />
+                <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><!--!Font Awesome Free 6.5.1 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2024 Fonticons, Inc.-->
+                    <path d="M160 96a96 96 0 1 1 192 0A96 96 0 1 1 160 96zm80 152V512l-48.4-24.2c-20.9-10.4-43.5-17-66.8-19.3l-96-9.6C12.5 457.2 0 443.5 0 427V224c0-17.7 14.3-32 32-32H62.3c63.6 0 125.6 19.6 177.7 56zm32 264V248c52.1-36.4 114.1-56 177.7-56H480c17.7 0 32 14.3 32 32V427c0 16.4-12.5 30.2-28.8 31.8l-96 9.6c-23.2 2.3-45.9 8.9-66.8 19.3L272 512z" />
                 </svg>
                 <span>開始閱讀</span>
             </a>
             <a href="https://github.com/krahets/hello-algo" class="rounded-button">
                 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 496 512">
-                    <path
-                        d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3 .3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5 .3-6.2 2.3zm44.2-1.7c-2.9 .7-4.9 2.6-4.6 4.9 .3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3 .7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3 .3 2.9 2.3 3.9 1.6 1 3.6 .7 4.3-.7 .7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3 .7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3 .7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z">
+                    <path d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3 .3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5 .3-6.2 2.3zm44.2-1.7c-2.9 .7-4.9 2.6-4.6 4.9 .3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3 .7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3 .3 2.9 2.3 3.9 1.6 1 3.6 .7 4.3-.7 .7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3 .7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3 .7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z">
                     </path>
                 </svg>
                 <span>程式碼倉庫</span>
@@ -99,10 +86,8 @@
         </div>
         <!-- arrow -->
         <div style="text-align: center; margin-top: min(2.5vh, 3.5vw);">
-            <svg xmlns="http://www.w3.org/2000/svg" fill="var(--md-default-fg-color)" height="2vh"
-                viewBox="0 0 384 512">
-                <path
-                    d="M169.4 470.6c12.5 12.5 32.8 12.5 45.3 0l160-160c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L224 370.8 224 64c0-17.7-14.3-32-32-32s-32 14.3-32 32l0 306.7L54.6 265.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l160 160z" />
+            <svg xmlns="http://www.w3.org/2000/svg" fill="var(--md-default-fg-color)" height="2vh" viewBox="0 0 384 512">
+                <path d="M169.4 470.6c12.5 12.5 32.8 12.5 45.3 0l160-160c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L224 370.8 224 64c0-17.7-14.3-32-32-32s-32 14.3-32 32l0 306.7L54.6 265.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l160 160z" />
             </svg>
         </div>
     </div>
@@ -148,8 +133,7 @@
                     <div class="text-button">
                         <span>紙質書（簡中）</span>
                         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512">
-                            <path
-                                d="M278.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-160 160c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L210.7 256 73.4 118.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l160 160z" />
+                            <path d="M278.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-160 160c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L210.7 256 73.4 118.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l160 160z" />
                         </svg>
                     </div>
                 </a>
@@ -162,8 +146,7 @@
                     <div class="text-button">
                         <span>線上閱讀</span>
                         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512">
-                            <path
-                                d="M278.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-160 160c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L210.7 256 73.4 118.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l160 160z" />
+                            <path d="M278.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-160 160c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L210.7 256 73.4 118.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l160 160z" />
                         </svg>
                     </div>
                 </a>
@@ -174,8 +157,7 @@
                     <div class="text-button">
                         <span>PDF（簡中）</span>
                         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 512">
-                            <path
-                                d="M278.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-160 160c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L210.7 256 73.4 118.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l160 160z" />
+                            <path d="M278.6 233.4c12.5 12.5 12.5 32.8 0 45.3l-160 160c-12.5 12.5-32.8 12.5-45.3 0s-12.5-32.8 0-45.3L210.7 256 73.4 118.6c-12.5-12.5-12.5-32.8 0-45.3s32.8-12.5 45.3 0l160 160z" />
                         </svg>
                     </div>
                 </a>
@@ -209,8 +191,7 @@
                 <div>
                     <div style="display: flex; align-items: center;">
                         <svg xmlns="http://www.w3.org/2000/svg" height="1.5em" width="1.5em" viewBox="0 0 640 512">
-                            <path fill="var(--md-primary-bg-color)"
-                                d="M256 0H576c35.3 0 64 28.7 64 64V288c0 35.3-28.7 64-64 64H256c-35.3 0-64-28.7-64-64V64c0-35.3 28.7-64 64-64zM476 106.7C471.5 100 464 96 456 96s-15.5 4-20 10.7l-56 84L362.7 169c-4.6-5.7-11.5-9-18.7-9s-14.2 3.3-18.7 9l-64 80c-5.8 7.2-6.9 17.1-2.9 25.4s12.4 13.6 21.6 13.6h80 48H552c8.9 0 17-4.9 21.2-12.7s3.7-17.3-1.2-24.6l-96-144zM336 96a32 32 0 1 0 -64 0 32 32 0 1 0 64 0zM64 128h96V384v32c0 17.7 14.3 32 32 32H320c17.7 0 32-14.3 32-32V384H512v64c0 35.3-28.7 64-64 64H64c-35.3 0-64-28.7-64-64V192c0-35.3 28.7-64 64-64zm8 64c-8.8 0-16 7.2-16 16v16c0 8.8 7.2 16 16 16H88c8.8 0 16-7.2 16-16V208c0-8.8-7.2-16-16-16H72zm0 104c-8.8 0-16 7.2-16 16v16c0 8.8 7.2 16 16 16H88c8.8 0 16-7.2 16-16V312c0-8.8-7.2-16-16-16H72zm0 104c-8.8 0-16 7.2-16 16v16c0 8.8 7.2 16 16 16H88c8.8 0 16-7.2 16-16V416c0-8.8-7.2-16-16-16H72zm336 16v16c0 8.8 7.2 16 16 16h16c8.8 0 16-7.2 16-16V416c0-8.8-7.2-16-16-16H424c-8.8 0-16 7.2-16 16z" />
+                            <path fill="var(--md-primary-bg-color)" d="M256 0H576c35.3 0 64 28.7 64 64V288c0 35.3-28.7 64-64 64H256c-35.3 0-64-28.7-64-64V64c0-35.3 28.7-64 64-64zM476 106.7C471.5 100 464 96 456 96s-15.5 4-20 10.7l-56 84L362.7 169c-4.6-5.7-11.5-9-18.7-9s-14.2 3.3-18.7 9l-64 80c-5.8 7.2-6.9 17.1-2.9 25.4s12.4 13.6 21.6 13.6h80 48H552c8.9 0 17-4.9 21.2-12.7s3.7-17.3-1.2-24.6l-96-144zM336 96a32 32 0 1 0 -64 0 32 32 0 1 0 64 0zM64 128h96V384v32c0 17.7 14.3 32 32 32H320c17.7 0 32-14.3 32-32V384H512v64c0 35.3-28.7 64-64 64H64c-35.3 0-64-28.7-64-64V192c0-35.3 28.7-64 64-64zm8 64c-8.8 0-16 7.2-16 16v16c0 8.8 7.2 16 16 16H88c8.8 0 16-7.2 16-16V208c0-8.8-7.2-16-16-16H72zm0 104c-8.8 0-16 7.2-16 16v16c0 8.8 7.2 16 16 16H88c8.8 0 16-7.2 16-16V312c0-8.8-7.2-16-16-16H72zm0 104c-8.8 0-16 7.2-16 16v16c0 8.8 7.2 16 16 16H88c8.8 0 16-7.2 16-16V416c0-8.8-7.2-16-16-16H72zm336 16v16c0 8.8 7.2 16 16 16h16c8.8 0 16-7.2 16-16V416c0-8.8-7.2-16-16-16H424c-8.8 0-16 7.2-16 16z" />
                         </svg>
                         <h3 style="margin-left: 0.5em;">動畫圖解</h3>
                     </div>
@@ -227,8 +208,7 @@
                 <div>
                     <div style="display: flex; align-items: center;">
                         <svg xmlns="http://www.w3.org/2000/svg" height="1.5em" width="1.5em" viewBox="0 0 640 512">
-                            <path fill="var(--md-primary-bg-color)"
-                                d="M392.8 1.2c-17-4.9-34.7 5-39.6 22l-128 448c-4.9 17 5 34.7 22 39.6s34.7-5 39.6-22l128-448c4.9-17-5-34.7-22-39.6zm80.6 120.1c-12.5 12.5-12.5 32.8 0 45.3L562.7 256l-89.4 89.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0l112-112c12.5-12.5 12.5-32.8 0-45.3l-112-112c-12.5-12.5-32.8-12.5-45.3 0zm-306.7 0c-12.5-12.5-32.8-12.5-45.3 0l-112 112c-12.5 12.5-12.5 32.8 0 45.3l112 112c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L77.3 256l89.4-89.4c12.5-12.5 12.5-32.8 0-45.3z" />
+                            <path fill="var(--md-primary-bg-color)" d="M392.8 1.2c-17-4.9-34.7 5-39.6 22l-128 448c-4.9 17 5 34.7 22 39.6s34.7-5 39.6-22l128-448c4.9-17-5-34.7-22-39.6zm80.6 120.1c-12.5 12.5-12.5 32.8 0 45.3L562.7 256l-89.4 89.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0l112-112c12.5-12.5 12.5-32.8 0-45.3l-112-112c-12.5-12.5-32.8-12.5-45.3 0zm-306.7 0c-12.5-12.5-32.8-12.5-45.3 0l-112 112c-12.5 12.5-12.5 32.8 0 45.3l112 112c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L77.3 256l89.4-89.4c12.5-12.5 12.5-32.8 0-45.3z" />
                         </svg>
                         <h3 style="margin-left: 0.5em;">一鍵執行</h3>
                     </div>
@@ -243,8 +223,7 @@
                 <div>
                     <div style="display: flex; align-items: center;">
                         <svg xmlns="http://www.w3.org/2000/svg" height="1.5em" width="1.5em" viewBox="0 0 640 512">
-                            <path fill="var(--md-primary-bg-color)"
-                                d="M88.2 309.1c9.8-18.3 6.8-40.8-7.5-55.8C59.4 230.9 48 204 48 176c0-63.5 63.8-128 160-128s160 64.5 160 128s-63.8 128-160 128c-13.1 0-25.8-1.3-37.8-3.6c-10.4-2-21.2-.6-30.7 4.2c-4.1 2.1-8.3 4.1-12.6 6c-16 7.2-32.9 13.5-49.9 18c2.8-4.6 5.4-9.1 7.9-13.6c1.1-1.9 2.2-3.9 3.2-5.9zM0 176c0 41.8 17.2 80.1 45.9 110.3c-.9 1.7-1.9 3.5-2.8 5.1c-10.3 18.4-22.3 36.5-36.6 52.1c-6.6 7-8.3 17.2-4.6 25.9C5.8 378.3 14.4 384 24 384c43 0 86.5-13.3 122.7-29.7c4.8-2.2 9.6-4.5 14.2-6.8c15.1 3 30.9 4.5 47.1 4.5c114.9 0 208-78.8 208-176S322.9 0 208 0S0 78.8 0 176zM432 480c16.2 0 31.9-1.6 47.1-4.5c4.6 2.3 9.4 4.6 14.2 6.8C529.5 498.7 573 512 616 512c9.6 0 18.2-5.7 22-14.5c3.8-8.8 2-19-4.6-25.9c-14.2-15.6-26.2-33.7-36.6-52.1c-.9-1.7-1.9-3.4-2.8-5.1C622.8 384.1 640 345.8 640 304c0-94.4-87.9-171.5-198.2-175.8c4.1 15.2 6.2 31.2 6.2 47.8l0 .6c87.2 6.7 144 67.5 144 127.4c0 28-11.4 54.9-32.7 77.2c-14.3 15-17.3 37.6-7.5 55.8c1.1 2 2.2 4 3.2 5.9c2.5 4.5 5.2 9 7.9 13.6c-17-4.5-33.9-10.7-49.9-18c-4.3-1.9-8.5-3.9-12.6-6c-9.5-4.8-20.3-6.2-30.7-4.2c-12.1 2.4-24.7 3.6-37.8 3.6c-61.7 0-110-26.5-136.8-62.3c-16 5.4-32.8 9.4-50 11.8C279 439.8 350 480 432 480z" />
+                            <path fill="var(--md-primary-bg-color)" d="M88.2 309.1c9.8-18.3 6.8-40.8-7.5-55.8C59.4 230.9 48 204 48 176c0-63.5 63.8-128 160-128s160 64.5 160 128s-63.8 128-160 128c-13.1 0-25.8-1.3-37.8-3.6c-10.4-2-21.2-.6-30.7 4.2c-4.1 2.1-8.3 4.1-12.6 6c-16 7.2-32.9 13.5-49.9 18c2.8-4.6 5.4-9.1 7.9-13.6c1.1-1.9 2.2-3.9 3.2-5.9zM0 176c0 41.8 17.2 80.1 45.9 110.3c-.9 1.7-1.9 3.5-2.8 5.1c-10.3 18.4-22.3 36.5-36.6 52.1c-6.6 7-8.3 17.2-4.6 25.9C5.8 378.3 14.4 384 24 384c43 0 86.5-13.3 122.7-29.7c4.8-2.2 9.6-4.5 14.2-6.8c15.1 3 30.9 4.5 47.1 4.5c114.9 0 208-78.8 208-176S322.9 0 208 0S0 78.8 0 176zM432 480c16.2 0 31.9-1.6 47.1-4.5c4.6 2.3 9.4 4.6 14.2 6.8C529.5 498.7 573 512 616 512c9.6 0 18.2-5.7 22-14.5c3.8-8.8 2-19-4.6-25.9c-14.2-15.6-26.2-33.7-36.6-52.1c-.9-1.7-1.9-3.4-2.8-5.1C622.8 384.1 640 345.8 640 304c0-94.4-87.9-171.5-198.2-175.8c4.1 15.2 6.2 31.2 6.2 47.8l0 .6c87.2 6.7 144 67.5 144 127.4c0 28-11.4 54.9-32.7 77.2c-14.3 15-17.3 37.6-7.5 55.8c1.1 2 2.2 4 3.2 5.9c2.5 4.5 5.2 9 7.9 13.6c-17-4.5-33.9-10.7-49.9-18c-4.3-1.9-8.5-3.9-12.6-6c-9.5-4.8-20.3-6.2-30.7-4.2c-12.1 2.4-24.7 3.6-37.8 3.6c-61.7 0-110-26.5-136.8-62.3c-16 5.4-32.8 9.4-50 11.8C279 439.8 350 480 432 480z" />
                         </svg>
                         <h3 style="margin-left: 0.5em;">互助學習</h3>
                     </div>
@@ -280,16 +259,14 @@
             <div class="profile-div">
                 <div class="profile-cell">
                     <a href="https://github.com/codingonion">
-                        <img class="profile-img" src="../assets/avatar/avatar_codingonion.jpg"
-                            alt="Reviewer: codingonion" />
+                        <img class="profile-img" src="../assets/avatar/avatar_codingonion.jpg" alt="Reviewer: codingonion" />
                         <br><b>codingonion</b>
                         <br><sub>Zig, Rust</sub>
                     </a>
                 </div>
                 <div class="profile-cell">
                     <a href="https://github.com/curtishd">
-                        <img class="profile-img" src="../assets/avatar/avatar_curtishd.jpg"
-                            alt="Reviewer: curtishd" />
+                        <img class="profile-img" src="../assets/avatar/avatar_curtishd.jpg" alt="Reviewer: curtishd" />
                         <br><b>curtishd</b>
                         <br><sub>Kotlin</sub>
                     </a>
@@ -338,8 +315,7 @@
                 </div>
                 <div class="profile-cell">
                     <a href="https://github.com/night-cruise">
-                        <img class="profile-img" src="../assets/avatar/avatar_night-cruise.jpg"
-                            alt="Reviewer: night-cruise" />
+                        <img class="profile-img" src="../assets/avatar/avatar_night-cruise.jpg" alt="Reviewer: night-cruise" />
                         <br><b>night-cruise</b>
                         <br><sub>Rust</sub>
                     </a>
@@ -374,15 +350,13 @@
             <div class="profile-div">
                 <div class="profile-cell">
                     <a href="https://github.com/Shyam-Chen">
-                        <img class="profile-img" src="../assets/avatar/avatar_Shyam-Chen.jpg"
-                            alt="Reviewer: Shyam-Chen" />
+                        <img class="profile-img" src="../assets/avatar/avatar_Shyam-Chen.jpg" alt="Reviewer: Shyam-Chen" />
                         <br><b>Shyam-Chen</b>
                     </a>
                 </div>
                 <div class="profile-cell">
                     <a href="https://github.com/Dr-XYZ">
-                        <img class="profile-img" src="../assets/avatar/avatar_Dr-XYZ.jpg"
-                            alt="Reviewer: Dr-XYZ" />
+                        <img class="profile-img" src="../assets/avatar/avatar_Dr-XYZ.jpg" alt="Reviewer: Dr-XYZ" />
                         <br><b>Dr-XYZ</b>
                     </a>
                 </div>
@@ -394,9 +368,8 @@
             <h3>貢獻者</h3>
             <p>本書在開源社群一百多位貢獻者的共同努力下不斷完善，感謝他們付出的時間與精力！</p>
             <a href="https://github.com/krahets/hello-algo/graphs/contributors">
-                <img src="https://contrib.rocks/image?repo=krahets/hello-algo&max=300&columns=16" alt="Contributors"
-                    style="width: 100%; max-width: 38.5em;">
+                <img src="https://contrib.rocks/image?repo=krahets/hello-algo&max=300&columns=16" alt="Contributors" style="width: 100%; max-width: 38.5em;">
             </a>
         </div>
     </div>
-</section>
\ No newline at end of file
+</section>