diff --git a/springboot/springboot/src/main/java/com/example/springboot/controller/SalaryController.java b/springboot/springboot/src/main/java/com/example/springboot/controller/SalaryController.java
index 3b8715f7..906b690d 100644
--- a/springboot/springboot/src/main/java/com/example/springboot/controller/SalaryController.java
+++ b/springboot/springboot/src/main/java/com/example/springboot/controller/SalaryController.java
@@ -52,7 +52,7 @@ public class SalaryController {
             salary.setDeduction(0);
         }
         sumSalary += salary.getBonus();
-        sumSalary += salary.getDeduction();//修改处 sumSalary -= salary.getDeduction();
+        sumSalary -= salary.getDeduction();//修改处 sumSalary -= salary.getDeduction();
 
         salary.setTotalSalary(sumSalary);