fix: use 3Dmodule zip

frontend/src/pages/Home.jsx

@@ -131,14 +131,23 @@ const Home = () => {
                     justifyContent: 'center', 
                     alignItems: 'center',
                     color: '#444',
-                    borderBottom: '1px solid rgba(255,255,255,0.05)'
+                    borderBottom: '1px solid rgba(255,255,255,0.05)',
+                    overflow: 'hidden'
                   }}>
-                    <motion.div
-                      animate={{ y: [0, -10, 0] }}
-                      transition={{ repeat: Infinity, duration: 3, ease: "easeInOut" }}
-                    >
-                      <RocketOutlined style={{ fontSize: 60, color: '#00b96b' }} />
-                    </motion.div>
+                    {product.static_image_url ? (
+                      <img 
+                        src={product.static_image_url} 
+                        alt={product.name} 
+                        style={{ width: '100%', height: '100%', objectFit: 'cover' }} 
+                      />
+                    ) : (
+                      <motion.div
+                        animate={{ y: [0, -10, 0] }}
+                        transition={{ repeat: Infinity, duration: 3, ease: "easeInOut" }}
+                      >
+                        <RocketOutlined style={{ fontSize: 60, color: '#00b96b' }} />
+                      </motion.div>
+                    )}
                   </div>
                 }
                 onClick={() => navigate(`/product/${product.id}`)}

frontend/src/pages/ProductDetail.jsx

@@ -64,6 +64,17 @@ const ProductDetail = () => {
 
   const getModelPaths = (p) => {
     if (!p) return null;
+    
+    // 优先使用后台配置的 3D 模型 URL
+    if (p.model_3d_url) {
+      return { obj: p.model_3d_url };
+    }
+
+    // 如果有静态图，且没有特定的 3D 模型 URL，则优先显示静态图，不进入下方的通用 3D 模板匹配
+    if (p.static_image_url) {
+      return null;
+    }
+
     const text = (p.name + p.description).toLowerCase();
     
     if (text.includes('mini')) {
@@ -117,6 +128,8 @@ const ProductDetail = () => {
           }}>
              {modelPaths ? (
                <ModelViewer objPath={modelPaths.obj} mtlPath={modelPaths.mtl} />
+             ) : product.static_image_url ? (
+               <img src={product.static_image_url} alt={product.name} style={{ maxWidth: '100%', maxHeight: '100%', objectFit: 'contain' }} />
              ) : (
                <ThunderboltOutlined style={{ fontSize: 120, color: '#00b96b' }} />
              )}