diff --git a/service/staff_salary.go b/service/staff_salary.go
index 207bc93..1adc3ec 100644
--- a/service/staff_salary.go
+++ b/service/staff_salary.go
@@ -103,14 +103,16 @@ func (s *StaffSalary) CalcSalary(salary *model.StaffSalary, month, expr string)
 
 func (s *StaffSalary) calculate(corp *model.Corp, salary *model.StaffSalary, expression string) {
 
-	//获取基础数据
-	data := s.getCalcData(salary)
-
 	//获取业务数据
 	dataFactory := registry.NewSalaryCalculator(corp, s.user)
+	var biz interface{} = nil
 	if dataFactory != nil {
-		data["biz"] = dataFactory.Calculate(salary)
+		biz = dataFactory.Calculate(salary)
 	}
+
+	data := s.getCalcData(salary)
+	data["biz"] = biz
+
 	salary.Extra = goutil.EncodeJSONIndent(data)
 	salary.SetExtra("calculate", goutil.GetNowTime())