diff --git a/resources/线性代数/index.html b/resources/线性代数/index.html
index 3ae9f14..c36dc2b 100644
--- a/resources/线性代数/index.html
+++ b/resources/线性代数/index.html
@@ -457,34 +457,38 @@
 </object>
 <h3 id="答案">答案<a hidden class="anchor" aria-hidden="true" href="#答案">#</a></h3>
 <div id="1">
-    <form onsubmit="event.preventDefault(); validateText('1', document.getElementById('password-1').value);">
-      <input type="password" id="password-1" placeholder="为本站投稿资源以获取查看此内容的密码。" style="width: 400px;">
-      <button type="submit">查看</button>
-    </form>
-    <div id="content-1" style="display: none;">单击<a href="https://emberimg.oss-cn-beijing.aliyuncs.com/password/%E7%BA%BF%E6%80%A7%E4%BB%A3%E6%95%B0%E7%AD%94%E6%A1%88/2021-2022-%E7%A7%8B%E7%BA%BF%E6%80%A7%E4%BB%A3%E6%95%B0-%E5%8E%86%E5%B1%8A%E8%80%83%E9%A2%98-%E7%AD%94%E6%A1%88.pdf" target="_blank">此处</a>开始下载<code>2021-2022-秋线性代数-历届考题-答案.pdf</code>。</div>
-  </div>
-  <script src="https://emberimg.oss-cn-beijing.aliyuncs.com/password/crypto-js.js"></script>
-  <script>
-    async function validateText(id, password) {
+  <form onsubmit="event.preventDefault(); validateText('1', document.getElementById('password-1').value);">
+    <input type="password" id="password-1" placeholder="为本站投稿资源以获取查看此内容的密码。" class="text" style="width: 400px;">
+    <button type="submit">查看</button>
+  </form>
+  <div id="content-1" style="display: none;">单击<a href="https://emberimg.oss-cn-beijing.aliyuncs.com/password/%E7%BA%BF%E6%80%A7%E4%BB%A3%E6%95%B0%E7%AD%94%E6%A1%88/2021-2022-%E7%A7%8B%E7%BA%BF%E6%80%A7%E4%BB%A3%E6%95%B0-%E5%8E%86%E5%B1%8A%E8%80%83%E9%A2%98-%E7%AD%94%E6%A1%88.pdf" target="_blank">此处</a>开始下载<code>2021-2022-秋线性代数-历届考题-答案.pdf</code>。</div>
+</div>
+<script src="https://emberimg.oss-cn-beijing.aliyuncs.com/password/crypto-js.js"></script>
+<script>
+  async function validateText(id, password) {
       try {
-        const response = await fetch('https://emberimg.oss-cn-beijing.aliyuncs.com/password/h.json');
-        const data = await response.json();
-        const correctHash = data.hash;
-  
-        const passwordHash = CryptoJS.SHA256(password).toString();
-        if (passwordHash === correctHash) {
-            const content = document.getElementById('content-' + id);
-            content.style.display = 'block';
-        } else {
-            alert("密码错误！");
-        }
+          const response = await fetch('https://emberimg.oss-cn-beijing.aliyuncs.com/password/h.json');
+          const data = await response.json();
+          const correctHash = data.hash;
+    
+          const passwordHash = CryptoJS.SHA256(password).toString();
+          if (passwordHash === correctHash) {
+              const content = document.getElementById('content-' + id);
+              content.style.display = 'block';
+          } else {
+              alert("密码错误！");
+          }
       } catch (error) {
-        console.error('Error fetching the hash:', error);
-        alert("无法验证密码，请稍后再试。");
+          console.error('Error fetching the hash:', error);
+          alert("无法验证密码，请稍后再试。");
       }
-    }
-  </script>
-  
+  }
+</script>
+<style>
+  .dark .text {
+    color: #a9a9a9;  
+}
+</style>
 <hr>
 <h2 id="2020-2021秋季学期试卷">2020-2021秋季学期试卷<a hidden class="anchor" aria-hidden="true" href="#2020-2021秋季学期试卷">#</a></h2>
 
@@ -496,34 +500,38 @@
 </object>
 <h3 id="答案-1">答案<a hidden class="anchor" aria-hidden="true" href="#答案-1">#</a></h3>
 <div id="2">
-    <form onsubmit="event.preventDefault(); validateText('2', document.getElementById('password-2').value);">
-      <input type="password" id="password-2" placeholder="为本站投稿资源以获取查看此内容的密码。" style="width: 400px;">
-      <button type="submit">查看</button>
-    </form>
-    <div id="content-2" style="display: none;">单击<a href="https://emberimg.oss-cn-beijing.aliyuncs.com/password/%E7%BA%BF%E6%80%A7%E4%BB%A3%E6%95%B0%E7%AD%94%E6%A1%88/2020-2021-%E7%A7%8B%E7%BA%BF%E6%80%A7%E4%BB%A3%E6%95%B0-%E5%8E%86%E5%B1%8A%E8%80%83%E9%A2%98-%E7%AD%94%E6%A1%88.pdf" target="_blank">此处</a>开始下载<code>2020-2021-秋线性代数-历届考题-答案.pdf</code>。</div>
-  </div>
-  <script src="https://emberimg.oss-cn-beijing.aliyuncs.com/password/crypto-js.js"></script>
-  <script>
-    async function validateText(id, password) {
+  <form onsubmit="event.preventDefault(); validateText('2', document.getElementById('password-2').value);">
+    <input type="password" id="password-2" placeholder="为本站投稿资源以获取查看此内容的密码。" class="text" style="width: 400px;">
+    <button type="submit">查看</button>
+  </form>
+  <div id="content-2" style="display: none;">单击<a href="https://emberimg.oss-cn-beijing.aliyuncs.com/password/%E7%BA%BF%E6%80%A7%E4%BB%A3%E6%95%B0%E7%AD%94%E6%A1%88/2020-2021-%E7%A7%8B%E7%BA%BF%E6%80%A7%E4%BB%A3%E6%95%B0-%E5%8E%86%E5%B1%8A%E8%80%83%E9%A2%98-%E7%AD%94%E6%A1%88.pdf" target="_blank">此处</a>开始下载<code>2020-2021-秋线性代数-历届考题-答案.pdf</code>。</div>
+</div>
+<script src="https://emberimg.oss-cn-beijing.aliyuncs.com/password/crypto-js.js"></script>
+<script>
+  async function validateText(id, password) {
       try {
-        const response = await fetch('https://emberimg.oss-cn-beijing.aliyuncs.com/password/h.json');
-        const data = await response.json();
-        const correctHash = data.hash;
-  
-        const passwordHash = CryptoJS.SHA256(password).toString();
-        if (passwordHash === correctHash) {
-            const content = document.getElementById('content-' + id);
-            content.style.display = 'block';
-        } else {
-            alert("密码错误！");
-        }
+          const response = await fetch('https://emberimg.oss-cn-beijing.aliyuncs.com/password/h.json');
+          const data = await response.json();
+          const correctHash = data.hash;
+    
+          const passwordHash = CryptoJS.SHA256(password).toString();
+          if (passwordHash === correctHash) {
+              const content = document.getElementById('content-' + id);
+              content.style.display = 'block';
+          } else {
+              alert("密码错误！");
+          }
       } catch (error) {
-        console.error('Error fetching the hash:', error);
-        alert("无法验证密码，请稍后再试。");
+          console.error('Error fetching the hash:', error);
+          alert("无法验证密码，请稍后再试。");
       }
-    }
-  </script>
-  
+  }
+</script>
+<style>
+  .dark .text {
+    color: #a9a9a9;  
+}
+</style>
 <hr>
 <h2 id="2020-2021春季学期试卷">2020-2021春季学期试卷<a hidden class="anchor" aria-hidden="true" href="#2020-2021春季学期试卷">#</a></h2>
 
@@ -535,34 +543,38 @@
 </object>
 <h3 id="答案-2">答案<a hidden class="anchor" aria-hidden="true" href="#答案-2">#</a></h3>
 <div id="3">
-    <form onsubmit="event.preventDefault(); validateText('3', document.getElementById('password-3').value);">
-      <input type="password" id="password-3" placeholder="为本站投稿资源以获取查看此内容的密码。" style="width: 400px;">
-      <button type="submit">查看</button>
-    </form>
-    <div id="content-3" style="display: none;">单击<a href="https://emberimg.oss-cn-beijing.aliyuncs.com/password/%E7%BA%BF%E6%80%A7%E4%BB%A3%E6%95%B0%E7%AD%94%E6%A1%88/2020-2021-%E6%98%A5%E7%BA%BF%E6%80%A7%E4%BB%A3%E6%95%B0-%E5%8E%86%E5%B1%8A%E8%80%83%E9%A2%98-%E7%AD%94%E6%A1%88.pdf" target="_blank">此处</a>开始下载<code>2020-2021-春线性代数-历届考题-答案.pdf</code>。</div>
-  </div>
-  <script src="https://emberimg.oss-cn-beijing.aliyuncs.com/password/crypto-js.js"></script>
-  <script>
-    async function validateText(id, password) {
+  <form onsubmit="event.preventDefault(); validateText('3', document.getElementById('password-3').value);">
+    <input type="password" id="password-3" placeholder="为本站投稿资源以获取查看此内容的密码。" class="text" style="width: 400px;">
+    <button type="submit">查看</button>
+  </form>
+  <div id="content-3" style="display: none;">单击<a href="https://emberimg.oss-cn-beijing.aliyuncs.com/password/%E7%BA%BF%E6%80%A7%E4%BB%A3%E6%95%B0%E7%AD%94%E6%A1%88/2020-2021-%E6%98%A5%E7%BA%BF%E6%80%A7%E4%BB%A3%E6%95%B0-%E5%8E%86%E5%B1%8A%E8%80%83%E9%A2%98-%E7%AD%94%E6%A1%88.pdf" target="_blank">此处</a>开始下载<code>2020-2021-春线性代数-历届考题-答案.pdf</code>。</div>
+</div>
+<script src="https://emberimg.oss-cn-beijing.aliyuncs.com/password/crypto-js.js"></script>
+<script>
+  async function validateText(id, password) {
       try {
-        const response = await fetch('https://emberimg.oss-cn-beijing.aliyuncs.com/password/h.json');
-        const data = await response.json();
-        const correctHash = data.hash;
-  
-        const passwordHash = CryptoJS.SHA256(password).toString();
-        if (passwordHash === correctHash) {
-            const content = document.getElementById('content-' + id);
-            content.style.display = 'block';
-        } else {
-            alert("密码错误！");
-        }
+          const response = await fetch('https://emberimg.oss-cn-beijing.aliyuncs.com/password/h.json');
+          const data = await response.json();
+          const correctHash = data.hash;
+    
+          const passwordHash = CryptoJS.SHA256(password).toString();
+          if (passwordHash === correctHash) {
+              const content = document.getElementById('content-' + id);
+              content.style.display = 'block';
+          } else {
+              alert("密码错误！");
+          }
       } catch (error) {
-        console.error('Error fetching the hash:', error);
-        alert("无法验证密码，请稍后再试。");
+          console.error('Error fetching the hash:', error);
+          alert("无法验证密码，请稍后再试。");
       }
-    }
-  </script>
-  
+  }
+</script>
+<style>
+  .dark .text {
+    color: #a9a9a9;  
+}
+</style>
 <hr>
 <h2 id="2019-2020秋季学期试卷">2019-2020秋季学期试卷<a hidden class="anchor" aria-hidden="true" href="#2019-2020秋季学期试卷">#</a></h2>