diff --git a/src/main/java/com/example/springdemo/SpringDemoApplication.java b/src/main/java/com/example/springdemo/SpringDemoApplication.java
index 685a1d1..177190f 100644
--- a/src/main/java/com/example/springdemo/SpringDemoApplication.java
+++ b/src/main/java/com/example/springdemo/SpringDemoApplication.java
@@ -5,7 +5,8 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 @SpringBootApplication
 public class SpringDemoApplication {
-	public static void main(String[] args) {
-		SpringApplication.run(SpringDemoApplication.class, args);
-	}
+    public static void main(String[] args) {
+        //启动主目录下的SpringDemoApplication.java
+        SpringApplication.run(SpringDemoApplication.class, args);
+    }
 }