diff --git a/platformapi/showapi/barcode.go b/platformapi/showapi/barcode.go
index 051b94d8..c316eb80 100644
--- a/platformapi/showapi/barcode.go
+++ b/platformapi/showapi/barcode.go
@@ -82,7 +82,7 @@ func (a *API) GetProductInfoByBarCode(barCode string) (product *ProductInfo, err
 		OriginalSpec: showapiResBody["spec"].(string),
 		Img:          utils.Interface2String(showapiResBody["img"]),
 		Price:        int(math.Round(utils.Str2Float64WithDefault(utils.Interface2String(showapiResBody["price"]), 0))),
-		Categories:   strings.Split(showapiResBody["goodsType"].(string), ">>"),
+		Categories:   strings.Split(utils.Interface2String(showapiResBody["goodsType"]), ">>"),
 		ManName:      showapiResBody["manuName"].(string),
 		BrandName:    showapiResBody["trademark"].(string),
 	}