diff --git a/service/staff.go b/service/staff.go
index 3dcd067..8ba7063 100644
--- a/service/staff.go
+++ b/service/staff.go
@@ -49,6 +49,9 @@ func (s *Staff) CalcSlaveSalary(salary *model.StaffSalary, month string) (*model
 	}
 	salary.BaseSalary = cast.ToFloat64(s.info.BaseSalary)
 	salary.Master = s.info.Master
+	extra := make(map[string]interface{})
+	extra["entryDate"] = s.info.EntryDate //展示排序依赖
+	salary.Extra = goutil.EncodeJSON(extra)
 
 	return salary, nil
 }