diff --git a/app/static/js/fillword.js b/app/static/js/fillword.js
index b3a8b42..18461f0 100644
--- a/app/static/js/fillword.js
+++ b/app/static/js/fillword.js
@@ -1,5 +1,6 @@
-let isRead = true;
-let isChoose = true;
+// initialize from localStorage
+let isRead = localStorage.getItem('readChecked') !== 'false';  // default to true
+let isChoose = localStorage.getItem('chooseChecked') !== 'false';
 
 function getWord() {
     return window.getSelection ? window.getSelection() : document.selection.createRange().text;
@@ -11,6 +12,7 @@ function fillInWord() {
     if (!isChoose) return;
     const element = document.getElementById("selected-words");
     element.value = element.value + " " + word;
+    localStorage.setItem('selectedWords', element.value);
 }
 
 document.getElementById("text-content").addEventListener("click", fillInWord, false);
@@ -24,13 +26,15 @@ inputSlider.oninput = () => {
 
 function onReadClick() {
     isRead = !isRead;
+    localStorage.setItem('readChecked', isRead);
 }
 
 function onChooseClick() {
     isChoose = !isChoose;
+    localStorage.setItem('chooseChecked', isChoose);
 }
 
 // 如果网页刷新,停止播放声音
 if (performance.getEntriesByType("navigation")[0].type == "reload") {
     Reader.stopRead();
-}
\ No newline at end of file
+}
diff --git a/app/static/js/highlight.js b/app/static/js/highlight.js
index 76b4793..e8a3cf8 100644
--- a/app/static/js/highlight.js
+++ b/app/static/js/highlight.js
@@ -1,4 +1,4 @@
-let isHighlight = true;
+let isHighlight = localStorage.getItem('highlightChecked') !== 'false'; // default to true
 
 function cancelBtnHandler() {
     cancelHighlighting();
@@ -39,7 +39,7 @@ function highLight() {
             }
             totalSet = new Set([...totalSet, ...matches]);
         }
-    } 
+    }
     // 删除所有的mark标签,防止标签发生嵌套
     articleContent = articleContent.replace(/<(mark)[^>]*>/gi, "");
     articleContent = articleContent.replace(/<(\/mark)[^>]*>/gi, "");
@@ -73,6 +73,7 @@ function toggleHighlighting() {
         isHighlight = true;
         highLight();
     }
+     localStorage.setItem('highlightChecked', isHighlight);
 }
 
 showBtnHandler();
\ No newline at end of file
diff --git a/app/templates/mainpage_get.html b/app/templates/mainpage_get.html
index e96e8dc..3ba0ece 100644
--- a/app/templates/mainpage_get.html
+++ b/app/templates/mainpage_get.html
@@ -34,9 +34,9 @@
         <div class="alert alert-success" role="alert">共有文章 <span class="badge bg-success"> {{ number_of_essays }} </span> 篇</div>
         <p>粘贴1篇文章 (English only)</p>
         <form method="post" action="/">
-            <textarea name="content" rows="10" cols="120"></textarea><br/>
+            <textarea name="content" id="article" rows="10" cols="120"></textarea><br/>
             <input type="submit" value="get文章中的词频"/>
-            <input type="reset" value="清除"/>
+            <input type="reset" value="清除" onclick="clearArticle()"/>
         </form>
         {% if d_len > 0 %}
             <p><b>最常见的词</b></p>
@@ -53,5 +53,22 @@
             <script src="{{ js }}" ></script>
         {% endfor %}
     {% endif %}
+<script type="text/javascript">
+    // IIFE, avoid polluting the global scope
+    (function() {
+        const articleInput = document.querySelector('#article');
+        articleInput.value = localStorage.getItem('article') || '';
+
+        articleInput.addEventListener('input', function() {
+            localStorage.setItem('article', articleInput.value);
+        });
+
+        window.clearArticle = function() {
+            localStorage.removeItem('article');
+            articleInput.value = '';
+        };
+    })();
+
+</script>
 </body>
 </html>
diff --git a/app/templates/userpage_get.html b/app/templates/userpage_get.html
index 8c684b6..edb8bf2 100644
--- a/app/templates/userpage_get.html
+++ b/app/templates/userpage_get.html
@@ -86,7 +86,7 @@
             <div>
                 <p><small class="text-muted" id="source">{{ today_article['source'] }}</small></p><br/>
             </div>
-            
+
             <p><b id="question">{{ today_article['question'] }}</b></p><br/>
                 <script type="text/javascript">
                     function toggle_visibility(id) { {# https://css-tricks.com/snippets/javascript/showhide-element/#}
@@ -109,22 +109,22 @@
         </div>
     </div>
 
-    <input type="checkbox" onclick="toggleHighlighting()" checked/>生词高亮
-    <input type="checkbox" onclick="onReadClick()" checked/>大声朗读
-    <input type="checkbox" onclick="onChooseClick()" checked/>划词入库
+    <input type="checkbox" id="highlightCheckbox" onclick="toggleHighlighting()" />生词高亮
+    <input type="checkbox" id="readCheckbox" onclick="onReadClick()" />大声朗读
+    <input type="checkbox" id="chooseCheckbox" onclick="onChooseClick()" />划词入库
     <div class="range">
         <div class="field">
             <div class="sliderValue">
                 <span id="rangeValue">1×</span>
             </div>
-            <input type="range" id="rangeComponent" min="0.5" max="2" value="1" step="0.25"/>
+            <input type="range" id="rangeComponent" min="0.5" max="2" value="1" step="0.25" />
         </div>
     </div>
     <p><b>收集生词吧</b> (可以在正文中划词,也可以复制黏贴)</p>
     <form method="post" action="/{{ username }}/userpage">
         <textarea name="content" id="selected-words" rows="10" cols="120"></textarea><br/>
         <button class="btn btn-primary btn-lg" type="submit" onclick="Reader.stopRead()">把生词加入我的生词库</button>
-        <button class="btn btn-primary btn-lg" type="reset">清除</button>
+        <button class="btn btn-primary btn-lg" type="reset"  onclick="clearSelectedWords()">清除</button>
     </form>
     {% if session.get['thisWord'] %}
         <script type="text/javascript">
@@ -139,7 +139,7 @@
 
     {% if d_len > 0 %}
         <p>
-            <b>我的生词簿</b> 
+            <b>我的生词簿</b>
             <label for="move_dynamiclly">
                 <input type="checkbox" name="move_dynamiclly" id="move_dynamiclly" checked>
                 允许动态调整顺序
@@ -174,11 +174,54 @@
 {% endif %}
 <script type="text/javascript">
     window.onload = function () { // 页面加载时执行
+        const settings = {
+            // initialize settings from localStorage
+            highlightChecked: localStorage.getItem('highlightChecked') !== 'false', // localStorage stores strings, default to true. same below
+            readChecked: localStorage.getItem('readChecked') !== 'false',
+            chooseChecked: localStorage.getItem('chooseChecked') !== 'false',
+            rangeValue: localStorage.getItem('rangeValue') || '1',
+            selectedWords: localStorage.getItem('selectedWords') || ''
+        };
+
+        const elements = {
+            highlightCheckbox: document.querySelector('#highlightCheckbox'),
+            readCheckbox: document.querySelector('#readCheckbox'),
+            chooseCheckbox: document.querySelector('#chooseCheckbox'),
+            rangeComponent: document.querySelector('#rangeComponent'),
+            rangeValueDisplay: document.querySelector('#rangeValue'),
+            selectedWordsInput: document.querySelector('#selected-words')
+        };
+        // 应用设置到页面元素
+        elements.highlightCheckbox.checked = settings.highlightChecked;
+        elements.readCheckbox.checked = settings.readChecked;
+        elements.chooseCheckbox.checked = settings.chooseChecked;
+        elements.rangeComponent.value = settings.rangeValue;
+        elements.rangeValueDisplay.textContent = `${settings.rangeValue}x`;
+        elements.selectedWordsInput.value = settings.selectedWords;
+
         // 刷新页面或进入页面时判断,若不是首篇文章,则上一篇按钮可见
-        if(sessionStorage.getItem('pre_page_button')!="display" && sessionStorage.getItem('pre_page_button')){
+        if (sessionStorage.getItem('pre_page_button') !== 'display' && sessionStorage.getItem('pre_page_button')) {
             $('#load_pre_article').show();
         }
-     };
+
+        // 事件监听器
+        elements.selectedWordsInput.addEventListener('input', () => {
+            localStorage.setItem('selectedWords', elements.selectedWordsInput.value);
+        });
+
+        elements.rangeComponent.addEventListener('input', () => {
+            const rangeValue = elements.rangeComponent.value;
+            elements.rangeValueDisplay.textContent = `${rangeValue}x`;
+            localStorage.setItem('rangeValue', rangeValue);
+        });
+    };
+
+    function clearSelectedWords() {
+        localStorage.removeItem('selectedWords');
+        document.querySelector('#selected-words').value = '';
+    }
+
+
     function load_next_article(){
         $.ajax({
             url: '/get_next_article/{{username}}',
diff --git a/app/templates/userpage_post.html b/app/templates/userpage_post.html
index a7ad569..94816c5 100644
--- a/app/templates/userpage_post.html
+++ b/app/templates/userpage_post.html
@@ -1,50 +1,50 @@
 <!DOCTYPE html>
 <html lang="en">
     <head>
-	<meta charset="UTF-8">
-	<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=3.0, user-scalable=yes" />
-	<meta name="format-detection" content="telephone=no" />
+       <meta charset="UTF-8">
+       <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=3.0, user-scalable=yes" />
+       <meta name="format-detection" content="telephone=no" />
 
-	{{ yml['header'] | safe }}
-	{% if yml['css']['item'] %}
-        {% for css in yml['css']['item'] %}
-        <link href="{{ css }}" rel="stylesheet">
-        {% endfor %}
-	{% endif %}
-	{% if yml['js']['head'] %}
-        {% for js in yml['js']['head'] %}
-        <script src="{{ js }}" ></script>
-        {% endfor %}
-	{% endif %}
+       {{ yml['header'] | safe }}
+       {% if yml['css']['item'] %}
+         {% for css in yml['css']['item'] %}
+         <link href="{{ css }}" rel="stylesheet">
+         {% endfor %}
+        {% endif %}
+        {% if yml['js']['head'] %}
+         {% for js in yml['js']['head'] %}
+         <script src="{{ js }}" ></script>
+         {% endfor %}
+        {% endif %}
 
-	<title>EnglishPal Study Room for {{username}}</title>
+       <title>EnglishPal Study Room for {{username}}</title>
     </head>
     <body>
-	<div class="container-fluid">
-	    <p class="mt-md-3">
-		<input type="button" id="btn-cancel-selection" value="取消勾选" onclick="toggleCheckboxSelection(false)" />
-		<input type="button" id="btn-selection" value="全部勾选" onclick="toggleCheckboxSelection(true)" />
-	    </p>
-	    <form method="post" action="/{{username}}/mark">
-		<button type="submit" name="add-btn" class="btn btn-outline-primary btn-lg">加入我的生词簿</button>
-		{% for x in lst %}
-		{% set word = x[0]%}
-		<p>
-		    <font color="grey">{{loop.index}}</font>
-		    :
-		    <a href='http://youdao.com/w/eng/{{word}}/#keyfrom=dict2.index' title={{word}}>{{word}}</a>
-		    ({{x[1]}})
-		    <input type="checkbox" name="marked" value="{{word}}" checked>
-		</p>
+      <div class="container-fluid">
+          <p class="mt-md-3">
+               <input type="button" id="btn-cancel-selection" value="取消勾选" onclick="toggleCheckboxSelection(false)" />
+               <input type="button" id="btn-selection" value="全部勾选" onclick="toggleCheckboxSelection(true)" />
+          </p>
+          <form method="post" action="/{{username}}/mark">
+              <button type="submit" name="add-btn" class="btn btn-outline-primary btn-lg" onclick="clearSelectedWords()">加入我的生词簿</button>
+              {% for x in lst %}
+              {% set word = x[0]%}
+              <p>
+                    <font color="grey">{{loop.index}}</font>
+                    :
+                    <a href='http://youdao.com/w/eng/{{word}}/#keyfrom=dict2.index' title={{word}}>{{word}}</a>
+                    ({{x[1]}})
+                    <input type="checkbox" name="marked" value="{{word}}" checked>
+              </p>
 
-		{% endfor %}
-	    </form>
-	    {{ yml['footer'] | safe }}
-	    {% if yml['js']['bottom'] %}
+               {% endfor %}
+           </form>
+           {{ yml['footer'] | safe }}
+           {% if yml['js']['bottom'] %}
             {% for js in yml['js']['bottom'] %}
-            <script src="{{ js }}" ></script>
+             <script src="{{ js }}" ></script>
             {% endfor %}
-	    {% endif %}
-	</div>
+        {% endif %}
+      </div>
     </body>
 </html>
diff --git a/app/test/test_bug544_tangxinyuan.py b/app/test/test_bug544_tangxinyuan.py
new file mode 100644
index 0000000..43bfa8c
--- /dev/null
+++ b/app/test/test_bug544_tangxinyuan.py
@@ -0,0 +1,53 @@
+import random
+import string
+from selenium.webdriver.common.by import By
+from selenium.webdriver.support.ui import WebDriverWait
+from selenium.webdriver.support import expected_conditions as EC
+
+from helper import signup
+
+
+def has_punctuation(s):
+    return any(c in string.punctuation for c in s)
+
+
+def login(driver, home, uname, password):
+    driver.get(home)
+    WebDriverWait(driver, 10).until(EC.element_to_be_clickable((By.LINK_TEXT, '登录'))).click()
+    driver.find_element(By.ID, 'username').send_keys(uname)
+    driver.find_element(By.ID, 'password').send_keys(password)
+    driver.find_element(By.XPATH, '//button[text()="登录"]').click()
+    WebDriverWait(driver, 10).until(EC.title_is(f"EnglishPal Study Room for {uname}"))
+
+
+def select_valid_word(driver):
+    elem = driver.find_element(By.ID, 'text-content')
+    essay_content = elem.text
+    valid_word = random.choice([word for word in essay_content.split() if len(word) >= 6 and not has_punctuation(
+        word) and 'font>' not in word and 'br>' not in word and 'p>' not in word])
+    driver.find_element(By.ID, 'selected-words').send_keys(valid_word)
+    return valid_word
+
+
+def test_save_selected_word(driver, URL):
+    try:
+        username, password = signup(URL, driver)
+        word = select_valid_word(driver)
+        stored_words = driver.execute_script('return localStorage.getItem("selectedWords");')
+        assert word == stored_words, "Selected word not saved to localStorage correctly"
+        # 退出并重新登录以检查存储的单词
+        driver.find_element(By.LINK_TEXT, '退出').click()
+        driver.execute_script("window.open('');window.close();")
+
+        # 等待一会儿,让浏览器有足够的时间关闭标签页
+        WebDriverWait(driver, 2)
+
+        # 重新打开一个新的标签页
+        driver.execute_script("window.open('');")
+        driver.switch_to.window(driver.window_handles[-1])  # 切换到新打开的标签页
+
+        login(driver, URL, username, password)
+        textarea_content = driver.find_element(By.ID, 'selected-words').get_attribute('value')
+        assert word == textarea_content, "Selected word not preserved after re-login"
+    finally:
+        driver.quit()
diff --git a/requirements.txt b/requirements.txt
index 4322f80..4b81c20 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,3 +4,5 @@ PyYAML~=6.0
 pony==0.7.16
 snowballstemmer==2.2.0
 Werkzeug==2.2.2
+
+pytest~=8.1.1
\ No newline at end of file