Update group_power_grade.go

cron/group_cron/group_power_grade.go

@@ -16,7 +16,7 @@ func GroupPowerGradeExp() {
 				}); err != nil {
 					model.Log.Errorf("IncrGroupPowerExp fail,data:%v-err:%v", data, err)
 				} else {
-					model.Log.Errorf("IncrGroupPowerExp success,data:%v", data)
+					model.Log.Infof("IncrGroupPowerExp success,data:%v", data)
 				}
 			}
 		}