diff --git a/service/salary_calculator/salary_calculator_1000.go b/service/salary_calculator/salary_calculator_1000.go
index 356a75a..1f08861 100644
--- a/service/salary_calculator/salary_calculator_1000.go
+++ b/service/salary_calculator/salary_calculator_1000.go
@@ -33,7 +33,7 @@ func (s *SalaryCalculator1000) Calculate(salary *model.StaffSalary) map[string]i
 	data["adProfit"] = s.getAdOwnerProfit(salary)
 
 	data["appProfit1024"] = s.getAppProfit(10024, salary.Month)
-	data["appProfit1024Previous "] = s.getAppProfit(10024, monthTime.AddDate(0, -1, 0).Format("2006-01"))
+	data["appProfit1024Previous "] = s.getAppProfit(10024, monthTime.AddDate(0, -1, 0).Format("200601"))
 	return data
 }