diff --git a/blank.md b/blank.md
new file mode 100644
index 0000000..61b93f4
--- /dev/null
+++ b/blank.md
@@ -0,0 +1 @@
+This is a blank document.
\ No newline at end of file
diff --git a/src/chapter3/CyclicBarrierDemo.java b/src/chapter3/CyclicBarrierDemo.java
index da45073..a9dfec2 100644
--- a/src/chapter3/CyclicBarrierDemo.java
+++ b/src/chapter3/CyclicBarrierDemo.java
@@ -15,6 +15,7 @@ public static class Soldier implements Runnable {
         public Soldier(CyclicBarrier cyclicBarrier, String soldier) {
             this.soldier = soldier;
             this.cyclicBarrier = cyclicBarrier;
+            System.out.println("aaa");
         }
 
         @Override
@@ -37,7 +38,7 @@ void doWork() {
             } catch (InterruptedException e) {
                 e.printStackTrace();
             }
-            System.out.println(soldier + ":ÈÎÎñÍê³É");
+            System.out.println(soldier + ":�������");
         }
     }
 
@@ -54,9 +55,9 @@ public BarrierRun(boolean flag, int N) {
         @Override
         public void run() {
             if (flag) {
-                System.out.println("˾Áî:[Ê¿±ø" + N + "¸ö,ÈÎÎñÍê³É!");
+                System.out.println("˾��:[ʿ��" + N + "��,�������!");
             } else {
-                System.out.println("˾Áî:[Ê¿±ø" + N + "¸ö,¼¯ºÏÍê±Ï!");
+                System.out.println("˾��:[ʿ��" + N + "��,�������!");
                 flag = true;
             }
         }
@@ -68,10 +69,10 @@ public static void main(String args[]) {
         Thread[] allSoldier = new Thread[N];
         boolean flag = false;
         CyclicBarrier cyclicBarrier = new CyclicBarrier(N, new BarrierRun(flag, N));
-        System.out.println("¼¯ºÏ¶ÓÎé!");
+        System.out.println("���϶���!");
         for (int i = 0; i < N; i++) {
-            System.out.println("Ê¿±ø" + i + "±¨µÀ!");
-            allSoldier[i] = new Thread(new Soldier(cyclicBarrier, "Ê¿±ø" + i));
+            System.out.println("ʿ��" + i + "����!");
+            allSoldier[i] = new Thread(new Soldier(cyclicBarrier, "ʿ��" + i));
             allSoldier[i].start();
         }
     }