diff --git a/src/main/java/threaddemo/dataracing/CASByAtomicInteger.java b/src/main/java/threaddemo/dataracing/CASByAtomicInteger.java
index 7dd4071..9085445 100644
--- a/src/main/java/threaddemo/dataracing/CASByAtomicInteger.java
+++ b/src/main/java/threaddemo/dataracing/CASByAtomicInteger.java
@@ -41,6 +41,11 @@ public class CASByAtomicInteger {
         Thread t1 = new Thread(() -> {
             int initValue = unSafeCounter.get();
             System.out.println(STR."Thread 1: Initial value = \{initValue}");
+            try {
+                Thread.sleep(10);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
 
             unSafeCounter.compareAndSet(0,20);
             unSafeCounter.compareAndSet(20,0);
@@ -51,13 +56,13 @@ public class CASByAtomicInteger {
 
         Thread t2 = new Thread(() -> {
             int value = unSafeCounter.get();
+            System.out.println("Thread 2: Initial value = " + value);
             try {
                 // 等待线程1完成 ABA 操作
                 Thread.sleep(100);
             } catch (InterruptedException e) {
                 e.printStackTrace();
             }
-            System.out.println("Thread 2: Initial value = " + value);
 
             // 尝试 CAS 操作
             boolean success = unSafeCounter.compareAndSet(0, 30); // A -> C