diff --git a/pages/eggbar/create-post.js b/pages/eggbar/create-post.js
index c713daf..d2c2a77 100644
--- a/pages/eggbar/create-post.js
+++ b/pages/eggbar/create-post.js
@@ -15,11 +15,28 @@ Page({
 
   loadHotTopics() {
     API.getHotTopics().then(res => {
-      this.setData({
-        hotTopics: res.data || []
-      });
+      if (res.data && res.data.length > 0) {
+        this.setData({
+          hotTopics: res.data
+        });
+      } else {
+        // 使用默认热门话题
+        this.setData({
+          hotTopics: [
+            { id: 1, name: '今天你吃蛋了么？', count: 123 },
+            { id: 2, name: '日常分享', count: 456 }
+          ]
+        });
+      }
     }).catch(err => {
       console.error('加载热门话题失败:', err);
+      // 出错时使用默认热门话题
+      this.setData({
+        hotTopics: [
+          { id: 1, name: '今天你吃蛋了么？', count: 123 },
+          { id: 2, name: '日常分享', count: 456 }
+        ]
+      });
     });
   },
 
@@ -87,10 +104,19 @@ Page({
   },
 
   submit() {
-    if (!this.data.content.trim()) {
+    console.log('点击了发布按钮，当前数据:', {
+      content: this.data.content,
+      images: this.data.images,
+      selectedTopic: this.data.selectedTopic
+    });
+    
+    if (!this.data.content.trim() && !this.data.selectedTopic) {
+      console.log('验证失败：文本内容和话题都为空');
       return;
     }
 
+    console.log('验证通过，开始发布');
+
     wx.showLoading({
       title: '发布中...'
     });
@@ -98,15 +124,18 @@ Page({
     // 先上传图片，获取永久 URL
     this.uploadImages(this.data.images)
       .then(uploadedImages => {
+        console.log('图片上传完成，上传的图片数量:', uploadedImages.length);
         const postData = {
           content: this.data.content,
           images: uploadedImages,
           topic: this.data.selectedTopic
         };
+        console.log('准备发送的发布数据:', postData);
 
         return API.createPost(postData);
       })
       .then(res => {
+        console.log('发布成功，服务器返回:', res);
         wx.hideLoading();
         wx.showToast({
           title: '发布成功',
@@ -117,12 +146,12 @@ Page({
         }, 1000);
       })
       .catch(err => {
+        console.error('发布动态失败:', err);
         wx.hideLoading();
         wx.showToast({
           title: '发布失败，请重试',
           icon: 'none'
         });
-        console.error('发布动态失败:', err);
       });
   },
 
diff --git a/pages/eggbar/create-post.wxml b/pages/eggbar/create-post.wxml
index ba07cad..986cc3d 100644
--- a/pages/eggbar/create-post.wxml
+++ b/pages/eggbar/create-post.wxml
@@ -45,7 +45,7 @@
 
   <view class="footer">
     <button class="cancel-btn" bindtap="cancel">取消</button>
-    <button class="submit-btn" bindtap="submit" disabled="{{!content.trim()}}">
+    <button class="submit-btn" bindtap="submit" disabled="{{!content.trim() && !selectedTopic}}">
       发布
     </button>
   </view>
diff --git a/server-example/server-mysql.js b/server-example/server-mysql.js
index 15c5141..28d6306 100644
--- a/server-example/server-mysql.js
+++ b/server-example/server-mysql.js
@@ -134,12 +134,12 @@ app.post('/api/eggbar/posts', async (req, res) => {
     
     const { content, images, topic } = req.body;
     
-    // 数据验证
-    if (!content || content.trim() === '') {
+    // 数据验证 - 允许只填写内容或话题中的一项
+    if ((!content || content.trim() === '') && !topic) {
       return res.status(400).json({
         success: false,
         code: 400,
-        message: '帖子内容不能为空'
+        message: '文本内容和话题至少需要填写一项'
       });
     }
     
@@ -201,6 +201,48 @@ app.get('/api/cover', async (req, res) => {
   }
 });
 
+// 创建动态接口（已废弃 - 使用上面的实际实现）
+app.post('/api/eggbar/posts/deprecated', async (req, res) => {
+  try {
+    console.log('===== 创建动态接口被调用 =====');
+    console.log('收到的请求数据:', req.body);
+    
+    const { content, images, topic } = req.body;
+    
+    // 验证参数
+    if (!content && !topic) {
+      return res.json({
+        success: false,
+        message: '文本内容和话题至少需要填写一项'
+      });
+    }
+    
+    // 模拟创建动态
+    console.log('创建动态成功:', {
+      content,
+      images,
+      topic
+    });
+    
+    res.json({
+      success: true,
+      message: '发布成功',
+      data: {
+        content,
+        images,
+        topic
+      }
+    });
+  } catch (error) {
+    console.error('创建动态失败:', error);
+    res.json({
+      success: false,
+      message: '发布失败，请重试',
+      error: error.message
+    });
+  }
+});
+
 // 创建临时文件夹用于存储上传的文件
 const uploadTempDir = path.join(__dirname, 'temp-uploads');
 if (!fs.existsSync(uploadTempDir)) {
diff --git a/server-example/test-post-api.js b/server-example/test-post-api.js
new file mode 100644
index 0000000..3b738f4
--- /dev/null
+++ b/server-example/test-post-api.js
@@ -0,0 +1,47 @@
+// 测试创建动态API
+const http = require('http');
+
+// 测试数据
+const testData = {
+  content: '测试发布帖子',
+  images: ['https://example.com/image1.jpg', 'https://example.com/image2.jpg'],
+  topic: '今天你吃蛋了么？'
+};
+
+// 发送POST请求到主服务器
+const options = {
+  hostname: 'localhost',
+  port: 3003,
+  path: '/api/eggbar/posts',
+  method: 'POST',
+  headers: {
+    'Content-Type': 'application/json',
+    'Content-Length': Buffer.byteLength(JSON.stringify(testData))
+  }
+};
+
+const req = http.request(options, (res) => {
+  console.log(`状态码: ${res.statusCode}`);
+  console.log(`响应头: ${JSON.stringify(res.headers)}`);
+  
+  let data = '';
+  res.on('data', (chunk) => {
+    data += chunk;
+  });
+  
+  res.on('end', () => {
+    console.log('响应体:', data);
+    console.log('测试完成');
+  });
+});
+
+req.on('error', (e) => {
+  console.error(`请求错误: ${e.message}`);
+});
+
+// 发送请求体
+req.write(JSON.stringify(testData));
+req.end();
+
+console.log('正在发送测试请求到 http://localhost:3003/api/eggbar/posts...');
+console.log('测试数据:', testData);