- don't use Unmarshal2Map

- recaculate sku price in updateSku

controllers/cms_sku.go

@@ -235,9 +235,8 @@ func (c *SkuController) AddSku() {
 // @router /UpdateSku [put]
 func (c *SkuController) UpdateSku() {
 	c.callUpdateSku(func(params *tSkuUpdateSkuParams) (retVal interface{}, errCode string, err error) {
-		var payload map[string]interface{}
-		dummySku := &model.Sku{}
-		if payload, err = utils.Unmarshal2Map([]byte(params.Payload), dummySku); err == nil {
+		payload := make(map[string]interface{})
+		if err = utils.UnmarshalUseNumber([]byte(params.Payload), &payload); err == nil {
 			retVal, err = cms.UpdateSku(params.Ctx, params.SkuID, payload, params.Ctx.GetUserName())
 		}
 		return retVal, "", err