diff --git a/routes/ai.js b/routes/ai.js
index 156b7ff..e96d739 100644
--- a/routes/ai.js
+++ b/routes/ai.js
@@ -1,7 +1,5 @@
 const Router = require('koa-router');
 const fetch = require('node-fetch');
-const path = require('path');
-const fs = require('fs');
 
 const router = new Router();
 
@@ -126,13 +124,13 @@ router.post('/generate-product', async (ctx) => {
 
 router.post('/recognize-product', async (ctx) => {
   try {
-    const { imageBase64 } = ctx.request.body;
+    const { imageUrl } = ctx.request.body;
 
-    if (!imageBase64) {
+    if (!imageUrl) {
       ctx.status = 400;
       ctx.body = {
         code: 400,
-        message: '请提供商品图片'
+        message: '请提供商品图片地址'
       };
       return;
     }
@@ -148,22 +146,6 @@ router.post('/recognize-product', async (ctx) => {
   "confidence": 0到1之间的数字（识别置信度）
 }`;
 
-    // omni 模型不支持 data URI，先保存为文件再用 URL
-    const imageBuffer = Buffer.from(imageBase64, 'base64');
-    const fileName = `ai_${Date.now()}_${Math.random().toString(36).slice(2, 8)}.jpg`;
-    const filePath = path.join(__dirname, '..', 'public', 'uploads', fileName);
-    
-    // 确保 uploads 目录存在
-    const uploadsDir = path.join(__dirname, '..', 'public', 'uploads');
-    if (!fs.existsSync(uploadsDir)) {
-      fs.mkdirSync(uploadsDir, { recursive: true });
-    }
-    fs.writeFileSync(filePath, imageBuffer);
-
-    // 构造公网可访问的 URL
-    const serverHost = process.env.SERVER_HOST || 'http://110.42.255.239:3006';
-    const imageUrl = `${serverHost}/uploads/${fileName}`;
-
     console.log('Calling Qwen Omni API with image:', imageUrl);
     const response = await fetch(AI_API_URL, {
       method: 'POST',