diff --git a/yuthon_salary/models/yuthon_payroll_project.py b/yuthon_salary/models/yuthon_payroll_project.py
index 0696eda19..8b01ee67e 100644
--- a/yuthon_salary/models/yuthon_payroll_project.py
+++ b/yuthon_salary/models/yuthon_payroll_project.py
@@ -63,7 +63,7 @@ class YuthonPayrollCommon(models.Model):
                     if ins.name == '工龄工资':
                         formula_salary = "result = (employee.company_old_year) * 10"
                     if ins.name == '误餐费':
-                        formula_salary = "result = employee.meal_number  * 40"
+                        formula_salary = "result = employee.meal_number  * 40 + employee.meal_supplement"
                     if ins.name == '通讯补贴':
                         formula_salary = "result = 300"
                     if ins.name == '全勤奖':