商品拍照识别，图片搜索商品

addons/unishop/controller/Product.php

@@ -149,6 +149,10 @@ class Product extends Base
         $image = input('image','');
         if(!empty($image)){
             $keyword = $this->search_by_image($image);
+            //dump($keyword);
+            if(empty($keyword)){
+                $this->success('', []);
+            }
         }
 
         $productModel = new productModel();