diff --git a/platformapi/mtwmapi/retail.go b/platformapi/mtwmapi/retail.go
index ff754d98..73b2b9da 100644
--- a/platformapi/mtwmapi/retail.go
+++ b/platformapi/mtwmapi/retail.go
@@ -205,7 +205,9 @@ func (a *API) RetailCatList(poiCode string) (retailCatList []*RetailCategoryInfo
 	result, err := a.AccessAPI("retailCat/list", true, map[string]interface{}{
 		KeyAppPoiCode: poiCode,
 	})
-	globals.SugarLogger.Debugf("RetailCatList==========err %s", err.Error())
+	if err != nil {
+		globals.SugarLogger.Debugf("RetailCatList==========err %v", err)
+	}
 	globals.SugarLogger.Debugf("result==========err %s", utils.Format4Output(result, false))
 
 	if err == nil {