diff --git a/案例3.py b/案例3.py
index 2ee65eb..d5d3b5d 100644
--- a/案例3.py
+++ b/案例3.py
@@ -9,6 +9,8 @@ cursor=db.cursor()
 sql="INSERT INTO EMPLOYEE(FIRST_NAME, LAST_NAME, AGE, SEX, INCOME) VALUE ('Mac','Mohan',20,'M',2000)"
 try:
     cursor.execute(sql)
+    cursor.execute('SELECT * FROM EMPLOYEE')
+    print(cursor.fetchall())
     db.commit()
 except:
     db.rollback()
diff --git a/案例5.py b/案例5.py
index 83b4c1e..c2ebc7f 100644
--- a/案例5.py
+++ b/案例5.py
@@ -8,7 +8,11 @@ db=pymysql.connect (
 cursor=db.cursor()
 sql="UPDATE EMPLOYEE SET AGE=AGE+1 WHERE SEX = '%c'" % 'M'
 try:
+    cursor.execute('SELECT * FROM EMPLOYEE')
+    print(f"更改前：{cursor.fetchall()}")
     cursor.execute(sql)
+    cursor.execute('SELECT * FROM EMPLOYEE')
+    print(f"更改后：{cursor.fetchall()}")
     db.commit()
 except:
     db.rollback()