diff --git a/platformapi/yinbaoapi/yinbaoapi.go b/platformapi/yinbaoapi/yinbaoapi.go
index 602fb404..dc1b063e 100644
--- a/platformapi/yinbaoapi/yinbaoapi.go
+++ b/platformapi/yinbaoapi/yinbaoapi.go
@@ -308,8 +308,15 @@ type QueryProductPagesResult struct {
 //分页查询所有商品
 //http://pospal.cn/openplatform/productapi.html#queryProductPages
 func (a *API) QueryProductPages(postBackParameter *PostBackParameter) (queryProductPagesResult *QueryProductPagesResult, err error) {
+	var mapP map[string]interface{}
+	if postBackParameter != nil {
+		mapP = map[string]interface{}{
+			"parameterType":  postBackParameter.ParameterType,
+			"parameterValue": postBackParameter.ParameterValue,
+		}
+	}
 	result, err := a.AccessAPI("productOpenApi/queryProductPages", map[string]interface{}{
-		"postBackParameter": postBackParameter,
+		"postBackParameter": mapP,
 	})
 	if err == nil {
 		utils.Map2StructByJson(result["data"], &queryProductPagesResult, false)