diff --git a/business/partner/purchase/mtwm/callback.go b/business/partner/purchase/mtwm/callback.go
index 55cd9534e..7e2891797 100644
--- a/business/partner/purchase/mtwm/callback.go
+++ b/business/partner/purchase/mtwm/callback.go
@@ -35,7 +35,9 @@ func OnCallbackMsg(msg *mtwmapi.CallbackMsg, msgType string) (response *mtwmapi.
 			response = mtwmapi.Err2CallbackResponse(err, "")
 		} else if msg.Cmd == mtwmapi.MsgTypeSkuUpdate {
 			globals.SugarLogger.Debugf("-----MsgTypeSkuUpdate := %s", utils.Format4Output(msg.FormData.Get("retail_data"), false))
-			globals.SugarLogger.Debugf("-----MsgTypeSkuUpdate := %s", msg.FormData.Get("retail_data"))
+			dataMap := make(map[string]interface{}, 0)
+			json.Unmarshal([]byte(msg.FormData.Get("retail_data")), &dataMap)
+			globals.SugarLogger.Debugf("-----MsgTypeSkuUpdate := %s", utils.Format4Output(dataMap, false))
 			return mtwmapi.Err2CallbackResponse(nil, "")
 		} else {
 			if orderID := GetOrderIDFromMsg(msg); orderID != "" {