diff --git a/pom.xml b/pom.xml
index fa1bbb8..f55943e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,6 +23,12 @@
     </parent>
 
     <dependencies>
+        <dependency>
+            <groupId>cn.hutool</groupId>
+            <artifactId>hutool-core</artifactId>
+            <version>5.8.31</version>
+        </dependency>
+
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
diff --git a/src/main/java/cn/hezhaohui/threadpool/ThreadPoolApplication.java b/src/main/java/cn/hezhaohui/threadpool/ThreadPoolApplication.java
index 92f6f3f..cee0401 100644
--- a/src/main/java/cn/hezhaohui/threadpool/ThreadPoolApplication.java
+++ b/src/main/java/cn/hezhaohui/threadpool/ThreadPoolApplication.java
@@ -1,11 +1,42 @@
 package cn.hezhaohui.threadpool;
 
-import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.SpringBootApplication;
+import cn.hutool.core.thread.ExecutorBuilder;
+import lombok.extern.slf4j.Slf4j;
 
-@SpringBootApplication
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.RejectedExecutionHandler;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+
+@Slf4j
 public class ThreadPoolApplication {
     public static void main(String[] args) {
-        SpringApplication.run(ThreadPoolApplication.class, args);
+        ExecutorBuilder builder = new ExecutorBuilder();
+        ThreadPoolExecutor executor = builder
+                .setCorePoolSize(5)
+                .setMaxPoolSize(10)
+                .setKeepAliveTime(0)
+                .setHandler(new RejectedExecutionHandler(){
+                    @Override
+                    public void rejectedExecution(Runnable r, ThreadPoolExecutor executor) {
+                        log.info(r.toString());
+                    }
+                })
+                .setWorkQueue(new ArrayBlockingQueue<>(100))
+                .build();
+
+        for (int i = 1; i <= 1000; i++) {
+            executor.execute(() -> {
+                log.info("Hello");
+                try {
+                    Thread.sleep(1000);
+                } catch (InterruptedException e) {
+                    throw new RuntimeException(e);
+                }
+            });
+        }
+
+        executor.shutdown();
+
     }
 }