diff --git a/platformapi/mtmemberapi/mtmemberapi.go b/platformapi/mtmemberapi/mtmemberapi.go
index e634d273..f23b943f 100644
--- a/platformapi/mtmemberapi/mtmemberapi.go
+++ b/platformapi/mtmemberapi/mtmemberapi.go
@@ -46,7 +46,7 @@ func (a *API) AccessAPI(action string, url string, bizParams map[string]interfac
 			if err == nil {
 				if utils.MustInterface2Int64(jsonResult1["errorCode"]) != http.StatusOK {
 					errLevel = platformapi.ErrLevelGeneralFail
-					err = utils.NewErrorCode(utils.Int64ToStr(utils.MustInterface2Int64(jsonResult1["errorMsg"])), utils.Int64ToStr(utils.MustInterface2Int64(jsonResult1["errorCode"])))
+					err = utils.NewErrorCode(utils.Interface2String(jsonResult1["errorMsg"]), utils.Int64ToStr(utils.MustInterface2Int64(jsonResult1["errorCode"])))
 					baseapi.SugarLogger.Debugf("mtmember AccessAPI failed, jsonResult1:%s", utils.Format4Output(jsonResult1, true))
 				}
 				retVal = jsonResult1