diff --git a/pom.xml b/pom.xml
index 3e4fb7c..9c654a6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-slf4j-impl</artifactId>
-            <version>2.10.0</version>
+            <version>2.20.0</version>
         </dependency>
 
     </dependencies>
diff --git a/src/main/java/cn/wudashan/Main.java b/src/main/java/cn/wudashan/Main.java
index 1fafb5b..075e304 100644
--- a/src/main/java/cn/wudashan/Main.java
+++ b/src/main/java/cn/wudashan/Main.java
@@ -5,11 +5,14 @@ import cn.wudashan.util.MDCUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.util.Random;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
+import java.util.stream.Stream;
 
 /**
  * 主函数
+ *
  * @author wudashan
  */
 public class Main {
@@ -19,32 +22,26 @@ public class Main {
 
     public static void main(String[] args) {
 
-        // 入口传入请求ID
-        MDCUtil.putRequestId();
 
-        // 主线程打印日志
-        logger.debug("log in main thread");
+        Stream.generate(() -> new Random().nextInt(10)).distinct().limit(10)
+                .parallel().forEach(e -> {
+                    // 入口传入请求ID
+                    MDCUtil.putRequestId();
+                    // 主线程打印日志
+                    logger.debug("{} log in main thread", e);
 
-        // 异步线程打印日志，用MDCRunnable装饰Runnable
-        new Thread(new MDCRunnable(new Runnable() {
-            @Override
-            public void run() {
-                logger.debug("log in other thread");
-            }
-        })).start();
+                    // 异步线程打印日志，用MDCRunnable装饰Runnable
+                    new Thread(new MDCRunnable(() -> logger.debug("{} log in other thread", e))).start();
 
-        // 异步线程池打印日志，用MDCRunnable装饰Runnable
-        EXECUTOR.execute(new MDCRunnable(new Runnable() {
-            @Override
-            public void run() {
-                logger.debug("log in other thread pool");
-            }
-        }));
+                    // 异步线程池打印日志，用MDCRunnable装饰Runnable
+                    EXECUTOR.execute(new MDCRunnable(() -> logger.debug("{}  log in other thread pool", e)));
+
+                    // 出口移除请求ID
+                    MDCUtil.removeRequestId();
+
+                });
         EXECUTOR.shutdown();
 
-        // 出口移除请求ID
-        MDCUtil.removeRequestId();
-
     }
 
 }