diff --git a/src/main/java/com/example/demo/DemoApplication.java b/src/main/java/com/bw/Rkday4Application.java
similarity index 50%
rename from src/main/java/com/example/demo/DemoApplication.java
rename to src/main/java/com/bw/Rkday4Application.java
index 094d95b..118c836 100644
--- a/src/main/java/com/example/demo/DemoApplication.java
+++ b/src/main/java/com/bw/Rkday4Application.java
@@ -1,13 +1,15 @@
-package com.example.demo;
+package com.bw;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.scheduling.annotation.EnableScheduling;
 
 @SpringBootApplication
-public class DemoApplication {
+@EnableScheduling
+public class Rkday4Application {
 
     public static void main(String[] args) {
-        SpringApplication.run(DemoApplication.class, args);
+        SpringApplication.run(Rkday4Application.class, args);
     }
 
 }
diff --git a/src/main/java/com/bw/test/ScheduledPrintNameService.java b/src/main/java/com/bw/test/ScheduledPrintNameService.java
new file mode 100644
index 0000000..6208f69
--- /dev/null
+++ b/src/main/java/com/bw/test/ScheduledPrintNameService.java
@@ -0,0 +1,20 @@
+package com.bw.test;
+
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+
+/**
+ * @ClassName Test
+ * @Description 描述
+ * @Author Chen
+ * @Date 2024/7/22 8:43
+ */
+//创建一个任务类 ScheduledPrintNameService
+@Component
+public class ScheduledPrintNameService {
+    //定时器 5秒执行一次
+    @Scheduled(cron = "*/5 * * * * ?")
+    public void test(){
+        System.out.println("哈哈哈");
+    }
+}
diff --git a/理论错题 b/理论错题
new file mode 100644
index 0000000..e69de29