diff --git a/w3/AI协助记录.txt b/w3/AI协助记录.txt
new file mode 100644
index 0000000..4347504
--- /dev/null
+++ b/w3/AI协助记录.txt
@@ -0,0 +1,3 @@
+1.利用AI找出程序错误
+2.求助AI润色代码
+3.询问AI什么时候需要使用getter和setter方法
\ No newline at end of file
diff --git a/w3/BankAccouont.java b/w3/BankAccouont.java
new file mode 100644
index 0000000..45af817
--- /dev/null
+++ b/w3/BankAccouont.java
@@ -0,0 +1,40 @@
+public class BankAccount {
+     private String accountNumber; 
+     private String ownerName;     
+     private double balance;       
+     public BankAccount(String accountNumber, String ownerName) {
+         this.accountNumber = accountNumber;
+         this.ownerName = ownerName;
+         this.balance = 0.0; 
+     }
+     public void deposit(double amount) {
+         if (amount > 0) {
+             balance += amount;
+             System.out.println("存款成功！当前余额：" + getBalance());
+         } else {
+             System.out.println("存款失败：金额必须大于0！");
+         }
+     }
+     public void withdraw(double amount) {
+         if (amount <= 0) {
+             System.out.println("取款失败：金额必须大于0！");
+         } else if (amount > balance) {
+             System.out.println("取款失败：余额不足！当前余额：" + getBalance());
+         } else {
+             balance -= amount;
+             System.out.println("取款成功！当前余额：" + getBalance());
+         }
+     }
+     public double getBalance() {
+         return Math.round(balance * 100.0) / 100.0;
+     }
+     public String getAccountNumber() {
+         return accountNumber;
+     }
+     public void setOwnerName(String ownerName) {
+         this.ownerName = ownerName;
+     }
+     public String getOwnerName() {
+         return ownerName;
+     }
+ }
\ No newline at end of file
diff --git a/w3/屏幕截图 2026-03-29 190300.png b/w3/屏幕截图 2026-03-29 190300.png
new file mode 100644
index 0000000..1c0ade3
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