fix code

api/views/product.py

@@ -89,7 +89,7 @@ class ProductBatchCreate(BaseView):
     def create_product(self, product_info):
         error, ret = self.call_rpc('neptune/commodity/product/create', 
                                    cn_name=product_info.get('cn_name'), en_name=product_info.get('en_name'), 
-                                   image=product_info.get('image'), norms=product_info.get('norms'),
+                                   image=product_info.get('image', ''), norms=product_info.get('norms'),
                                    grade=product_info.get('grade'), price=product_info.get('price'),
                                    country=product_info.get('country'),
                                    comment_nums=product_info.get('comment_nums'),