diff --git a/file-share-frontend/index.html b/file-share-frontend/index.html
index 6223195..27558ea 100755
--- a/file-share-frontend/index.html
+++ b/file-share-frontend/index.html
@@ -1,93 +1,93 @@
-<!DOCTYPE html>
-<html lang="zh-CN">
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>文件存储与分享系统</title>
-    <link rel="stylesheet" href="styles.css">
-</head>
-<body>
-    <div class="container">
-        <header>
-            <h1>文件存储与分享系统</h1>
-        </header>
-        
-        <main>
-            <section class="upload-section">
-                <h2>上传文件</h2>
-                <form id="uploadForm">
-                    <div class="form-group">
-                        <label for="fileInput">选择文件：</label>
-                        <input type="file" id="fileInput" name="file" required>
-                    </div>
-                    <div class="form-group">
-                        <label for="passwordInput">密码保护（可选）：</label>
-                        <input type="password" id="passwordInput" name="password" placeholder="留空表示无密码">
-                    </div>
-                    <div class="form-group">
-                        <label for="expiresInput">过期时间（可选）：</label>
-                        <input type="datetime-local" id="expiresInput" name="expires">
-                    </div>
-                    <button type="submit" class="btn">上传文件</button>
-                </form>
-                <div id="uploadResult" class="result-box hidden">
-                    <h3>上传成功！</h3>
-                    <p>文件链接：<a id="fileLink" href="#" target="_blank"></a></p>
-                    <button id="copyLinkBtn" class="btn">复制链接</button>
-                </div>
-            </section>
-
-            <section class="download-section">
-                <h2>下载文件</h2>
-                <form id="downloadForm">
-                    <div class="form-group">
-                        <label for="fileIdInput">文件ID：</label>
-                        <input type="text" id="fileIdInput" name="fileId" placeholder="输入文件ID" required>
-                    </div>
-                    <div class="form-group">
-                        <label for="downloadPasswordInput">密码（如需）：</label>
-                        <input type="password" id="downloadPasswordInput" name="password" placeholder="如文件有密码保护，请输入">
-                    </div>
-                    <button type="submit" class="btn">下载文件</button>
-                </form>
-            </section>
-        </main>
-
-        <section class="api-docs">
-            <h2>API 使用说明</h2>
-            <div class="api-endpoint">
-                <h3>文件上传</h3>
-                <p><strong>端点：</strong> POST https://share.ssplus.cn/upload</p>
-                <p><strong>参数：</strong></p>
-                <ul>
-                    <li><code>file</code>: 要上传的文件（必需）</li>
-                    <li><code>password</code>: 文件密码（可选）</li>
-                    <li><code>expires</code>: 过期时间，ISO格式（可选）</li>
-                </ul>
-                <p><strong>响应：</strong></p>
-                <pre><code>{
-  "success": true,
-  "fileId": "文件唯一ID",
-  "url": "文件访问链接"
-}</code></pre>
-            </div>
-
-            <div class="api-endpoint">
-                <h3>文件下载</h3>
-                <p><strong>端点：</strong> GET https://share.ssplus.cn/file/{fileId}</p>
-                <p><strong>参数：</strong></p>
-                <ul>
-                    <li><code>password</code>: 文件密码（如需）</li>
-                </ul>
-                <p><strong>响应：</strong> 文件内容或错误信息</p>
-            </div>
-        </section>
-
-        <footer>
-            <p>&copy; 2025-Now 文件存储与分享系统 By SuperJia</p>
-        </footer>
-    </div>
-
-    <script src="script.js"></script>
-</body>
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>文件存储与分享系统</title>
+    <link rel="stylesheet" href="styles.css">
+</head>
+<body>
+    <div class="container">
+        <header>
+            <h1>文件存储与分享系统</h1>
+        </header>
+        
+        <main>
+            <section class="upload-section">
+                <h2>上传文件</h2>
+                <form id="uploadForm">
+                    <div class="form-group">
+                        <label for="fileInput">选择文件：</label>
+                        <input type="file" id="fileInput" name="file" required>
+                    </div>
+                    <div class="form-group">
+                        <label for="passwordInput">密码保护（可选）：</label>
+                        <input type="password" id="passwordInput" name="password" placeholder="留空表示无密码">
+                    </div>
+                    <div class="form-group">
+                        <label for="expiresInput">过期时间（可选）：</label>
+                        <input type="datetime-local" id="expiresInput" name="expires">
+                    </div>
+                    <button type="submit" class="btn">上传文件</button>
+                </form>
+                <div id="uploadResult" class="result-box hidden">
+                    <h3>上传成功！</h3>
+                    <p>文件链接：<a id="fileLink" href="#" target="_blank"></a></p>
+                    <button id="copyLinkBtn" class="btn">复制链接</button>
+                </div>
+            </section>
+
+            <section class="download-section">
+                <h2>下载文件</h2>
+                <form id="downloadForm">
+                    <div class="form-group">
+                        <label for="fileIdInput">文件ID：</label>
+                        <input type="text" id="fileIdInput" name="fileId" placeholder="输入文件ID" required>
+                    </div>
+                    <div class="form-group">
+                        <label for="downloadPasswordInput">密码（如需）：</label>
+                        <input type="password" id="downloadPasswordInput" name="password" placeholder="如文件有密码保护，请输入">
+                    </div>
+                    <button type="submit" class="btn">下载文件</button>
+                </form>
+            </section>
+        </main>
+
+        <section class="api-docs">
+            <h2>API 使用说明</h2>
+            <div class="api-endpoint">
+                <h3>文件上传</h3>
+                <p><strong>端点：</strong> POST <你的后端地址>/upload</p>
+                <p><strong>参数：</strong></p>
+                <ul>
+                    <li><code>file</code>: 要上传的文件（必需）</li>
+                    <li><code>password</code>: 文件密码（可选）</li>
+                    <li><code>expires</code>: 过期时间，ISO格式（可选）</li>
+                </ul>
+                <p><strong>响应：</strong></p>
+                <pre><code>{
+  "success": true,
+  "fileId": "文件唯一ID",
+  "url": "文件访问链接"
+}</code></pre>
+            </div>
+
+            <div class="api-endpoint">
+                <h3>文件下载</h3>
+                <p><strong>端点：</strong> GET <你的后端地址>/file/{fileId}</p>
+                <p><strong>参数：</strong></p>
+                <ul>
+                    <li><code>password</code>: 文件密码（如需）</li>
+                </ul>
+                <p><strong>响应：</strong> 文件内容或错误信息</p>
+            </div>
+        </section>
+
+        <footer>
+            <p>&copy; 2025-Now 文件存储与分享系统 By SuperJia</p>
+        </footer>
+    </div>
+
+    <script src="script.js"></script>
+</body>
 </html>
\ No newline at end of file
