diff --git a/server/wheelserver/service/buff.go b/server/wheelserver/service/buff.go
index 38fcf61d..511569f9 100644
--- a/server/wheelserver/service/buff.go
+++ b/server/wheelserver/service/buff.go
@@ -47,7 +47,9 @@ func (this *buff) Add(accountId string, buffList []int32) {
 				buffModel.Create()
 			} else {
 				if nowTime > buffModel.ExpiresTime {
-
+					buffModel.ExpiresTime = nowTime + buffMeta.GetDurationTime()
+				} else {
+					buffModel.ExpiresTime += buffMeta.GetDurationTime()
 				}
 			}
 		}