更新图片的问题

services/knowoapi/model/product.go

@@ -44,7 +44,7 @@ func (a *Product) Update(product *models.Product) (pro models.Product, err error
 		cache.Delete(key)
 	}
 	cache.Set(key, product)
-	err = a.db.Model(&pro).Update(product).Error
+	err = a.db.Model(&pro).Save(product).Error
 	return
 }