diff --git a/core/templates/core/public_content.html b/core/templates/core/public_content.html
index 4b351bc..b633906 100644
--- a/core/templates/core/public_content.html
+++ b/core/templates/core/public_content.html
@@ -3,150 +3,38 @@
 
 {% block content %}
 
-<style>
-.api-float-panel {
-    position: fixed;
-    top: 80px;
-    right: 16px;
-    width: 280px;
-    z-index: 1050;
-    background: rgba(255, 255, 255, 0.97);
-    backdrop-filter: blur(8px);
-    border: 1px solid #dee2e6;
-    border-radius: 8px;
-    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
-    transition: transform 0.3s ease, opacity 0.3s ease;
-}
-.api-float-panel.collapsed {
-    transform: translateX(260px);
-}
-.api-float-panel .panel-header {
-    display: flex;
-    justify-content: space-between;
-    align-items: center;
-    padding: 8px 12px;
-    background: linear-gradient(135deg, #0d6efd, #6610f2);
-    color: #fff;
-    border-radius: 8px 8px 0 0;
-    font-size: 13px;
-    font-weight: 600;
-    cursor: default;
-}
-.api-float-panel .panel-body {
-    padding: 10px 12px;
-    font-size: 12px;
-    max-height: 400px;
-    overflow-y: auto;
-}
-.api-float-panel .panel-body code {
-    font-size: 11px;
-    background: #f8f9fa;
-    padding: 1px 4px;
-    border-radius: 3px;
-    color: #d63384;
-}
-.api-float-panel .panel-body pre {
-    font-size: 11px;
-    margin: 4px 0 0;
-    padding: 6px 8px;
-    border-radius: 4px;
-    line-height: 1.4;
-}
-.api-float-panel .btn-toggle {
-    background: none;
-    border: none;
-    color: #fff;
-    font-size: 16px;
-    cursor: pointer;
-    padding: 0 2px;
-    line-height: 1;
-    opacity: 0.8;
-    transition: opacity 0.2s;
-}
-.api-float-panel .btn-toggle:hover {
-    opacity: 1;
-}
-.api-float-panel .panel-tab {
-    display: none;
-    position: fixed;
-    right: 0;
-    top: 50%;
-    transform: translateY(-50%);
-    background: linear-gradient(135deg, #0d6efd, #6610f2);
-    color: #fff;
-    padding: 10px 6px;
-    border-radius: 6px 0 0 6px;
-    font-size: 12px;
-    cursor: pointer;
-    writing-mode: vertical-rl;
-    letter-spacing: 2px;
-    z-index: 1049;
-    box-shadow: -2px 0 10px rgba(0,0,0,0.1);
-    transition: opacity 0.3s;
-}
-.api-float-panel.collapsed .panel-tab {
-    display: block;
-}
-.api-float-panel.collapsed .panel-header,
-.api-float-panel.collapsed .panel-body {
-    display: none;
-}
-@media (max-width: 768px) {
-    .api-float-panel {
-        width: 240px;
-        right: 4px;
-        top: 70px;
-    }
-    .api-float-panel.collapsed {
-        transform: translateX(225px);
-    }
-}
-</style>
-
-<!-- 浮动API说明面板 -->
-<div class="api-float-panel" id="apiFloatPanel">
-    <div class="panel-tab" onclick="toggleApiPanel()" title="展开API说明">API 说明</div>
-    <div class="panel-header">
-        <span><i class="bi bi-terminal me-1"></i>API 说明</span>
-        <button class="btn-toggle" onclick="toggleApiPanel()" title="最小化">−</button>
-    </div>
-    <div class="panel-body">
-        <p class="mb-1"><strong>端点:</strong></p>
-        <code class="d-block mb-2">POST /api/v1/temp-upload/</code>
-        <p class="mb-1"><strong>参数:</strong></p>
-        <ul class="small mb-2 ps-3">
-            <li><code>title</code> 文件标题</li>
-            <li><code>file</code> 文件(≤500MB)</li>
-            <li><code>expire_type</code> expire_1h / 1d / 7d</li>
-        </ul>
-        <p class="mb-1"><strong>cURL:</strong></p>
-        <pre class="bg-dark text-white"><code>curl -X POST \
-  -F "file=@f.pdf" \
-  -F "title=文件" \
-  -F "expire_type=expire_1d" \
-  /api/v1/temp-upload/</code></pre>
-    </div>
-</div>
-
-<script>
-function toggleApiPanel() {
-    var panel = document.getElementById('apiFloatPanel');
-    panel.classList.toggle('collapsed');
-}
-</script>
-
 <!-- 页面标题 -->
 <div class="d-flex justify-content-between align-items-center mb-4">
     <h2 class="mb-0">
         <i class="bi bi-globe me-2 text-info"></i>公开内容
     </h2>
-    {% if user.is_authenticated %}
-    <div>
+    <div class="d-flex align-items-center gap-3">
+        <div class="dropdown">
+            <button class="btn btn-outline-secondary btn-sm dropdown-toggle" type="button" data-bs-toggle="dropdown">
+                <i class="bi bi-cloud-arrow-up me-1"></i>API上传
+            </button>
+            <ul class="dropdown-menu dropdown-menu-end p-3" style="min-width: 350px;">
+                <li>
+                    <h6 class="dropdown-header">临时文件上传 API</h6>
+                    <p class="small text-muted mb-2">端点: <code>POST /api/v1/temp-upload/</code></p>
+                    <hr>
+                    <p class="small mb-1"><strong>参数:</strong></p>
+                    <ul class="small mb-2">
+                        <li><code>title</code> - 文件标题</li>
+                        <li><code>file</code> - 文件(最大500MB)</li>
+                        <li><code>expire_type</code> - expire_1h / expire_1d / expire_7d</li>
+                    </ul>
+                    <p class="small mb-1"><strong>cURL示例:</strong></p>
+                    <pre class="small bg-dark text-white p-2 rounded"><code>curl -X POST -F "file=@f.pdf" -F "title=文件" -F "expire_type=expire_1d" /api/v1/temp-upload/</code></pre>
+                </li>
+            </ul>
+        </div>
+        {% if user.is_authenticated %}
         <a href="{% url 'add_public_content' %}" class="btn btn-primary">
             <i class="bi bi-plus-lg me-1"></i>添加内容
         </a>
+        {% endif %}
     </div>
-    {% endif %}
 </div>
 
 <!-- 临时发言区域 -->