diff --git a/service/pinduoduo/pdd.ddk.goods.promotion.url.generate.go b/service/pinduoduo/pdd.ddk.goods.promotion.url.generate.go
index bd89748e..c0135fe1 100644
--- a/service/pinduoduo/pdd.ddk.goods.promotion.url.generate.go
+++ b/service/pinduoduo/pdd.ddk.goods.promotion.url.generate.go
@@ -2,6 +2,7 @@ package pinduoduo
 
 import (
 	"context"
+	"github.com/dtapps/go-library/utils/gojson"
 	"github.com/dtapps/go-library/utils/gorequest"
 )