diff --git a/practical_exercises/key_exercises/中括号重载.cpp b/practical_exercises/key_exercises/中括号重载.cpp
index 23039bd..34225ac 100644
--- a/practical_exercises/key_exercises/中括号重载.cpp
+++ b/practical_exercises/key_exercises/中括号重载.cpp
@@ -5,6 +5,9 @@ struct Person
 { //职工基本信息的结构
     double salary;
     char *name;
+    ~Person() {
+        delete []name;   
+    }
 };
 class SalaryManaege
 {