diff --git a/02.面向对象/02.类空间与类之间的关系.md b/02.面向对象/02.类空间与类之间的关系.md
index b2f2ba0..33ff1c2 100644
--- a/02.面向对象/02.类空间与类之间的关系.md
+++ b/02.面向对象/02.类空间与类之间的关系.md
@@ -23,7 +23,7 @@ class A:
     def func(self,sex):
         self.sex = sexa
 
-obj = A('chensong')
+obj = A('zhangsan')
 obj.age = 18
 print(obj.__dict__)
 ```
@@ -38,12 +38,12 @@ class A:
     def func(self,sex):
         self.sex = sex
 
-obj = A('chensong')
+obj = A('zhangsan')
 obj.func('男')
 print(obj.__dict__)
 ```
 
-**总结：对象的属性不仅可以在__init__里面添加，还可以在类的其他方法或者类的外面添加。**
+**总结：对象的属性不仅可以在`__init__` 里面添加，还可以在类的其他方法或者类的外面添加。**
 
 ### 添加类的静态属性
 
@@ -166,28 +166,30 @@ elphant1.open(haier)
 
 ```python
 class Boy:
-    def __init__(self,name,girlFirend=None):
+    def __init__(self, name, girlFirend=None):
         self.name = name
         self.girlFriend = girlFirend
 
     def have_a_dinner(self):
         if self.girlFriend:
-            print('%s 和 %s 一起晚饭'%(self.name,self.girlFriend.name))
+            print('%s 和 %s 一起晚饭' % (self.name, self.girlFriend.name))
         else:
             print('单身狗，吃什么饭')
 
+
 class Girl:
-    def __init__(self,name):
+    def __init__(self, name):
         self.name = name
 
-b = Boy('日天')
+
+b = Boy('张三')
 b.have_a_dinner()
 
 b.girlFriend = Girl('如花')
 b.have_a_dinner()
 
 gg = Girl('花花')
-bb = Boy('songsong',gg)
+bb = Boy('李四', gg)
 bb.have_a_dinner()
 ```
 
@@ -213,9 +215,9 @@ s1 = School('北京校区','北京')
 s2 = School('上海校区','上海')
 s3 = School('深圳校区','深圳')
 
-t1 = Teacher('T1',s1)
-t2 = Teacher('T2',s2)
-t3 = Teacher('T3',s3)
+t1 = Teacher('张老师',s1)
+t2 = Teacher('李老师',s2)
+t3 = Teacher('王老师',s3)
 
 print(t1.school.name)
 print(t2.school.name)
@@ -227,33 +229,36 @@ print(t3.school.name)
 ```python
 class School:
 
-    def __init__(self,name,address):
+    def __init__(self, name, address):
         self.name = name
         self.address = address
         self.teacher_list = []
-    def append_teacher(self,teacher):
+
+    def append_teacher(self, teacher):
         self.teacher_list.append(teacher)
 
 
 class Teacher:
 
-    def __init__(self,name,school):
+    def __init__(self, name, school):
         self.name = name
         self.school = school
+        school.append_teacher(self)
 
-s1 = School('北京校区','北京')
-s2 = School('上海校区','上海')
-s3 = School('深圳校区','深圳')
 
-t1 = Teacher('T1',s1)
-t2 = Teacher('T2',s2)
-t3 = Teacher('T3',s3)
+s1 = School('北京校区', '北京')
+s2 = School('上海校区', '上海')
+s3 = School('深圳校区', '深圳')
 
-s1.append_teacher(t1.name)
-s1.append_teacher(t2.name)
-s1.append_teacher(t3.name)
+t1 = Teacher('张老师', s1)
+t2 = Teacher('李老师', s1)
+t3 = Teacher('王老师', s3)
 
 print(s1.teacher_list)
+
+print(f"{s1.name} 校区，老师的名单如下：")
+for teacher in s1.teacher_list:
+    print(teacher.name)
 ```
 
 **组合：将一个类的对象封装到另一个类的对象的属性中，就叫组合。**