diff --git a/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/controller/DemoController.java b/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/controller/DemoController.java
index ae5394b285..85c82b47dd 100644
--- a/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/controller/DemoController.java
+++ b/epmet-module/data-statistical/data-statistical-server/src/main/java/com/epmet/controller/DemoController.java
@@ -7,7 +7,6 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 import java.time.LocalDateTime;
-import java.util.concurrent.Callable;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Future;
@@ -32,6 +31,9 @@ public class DemoController {
         demoService.testTx();
     }
 
+    /**
+     * 异步方式1，手动submit
+     */
     @GetMapping("testthreadpool")
     public void testThreadPool() {
         System.out.println(LocalDateTime.now().getSecond());;
@@ -43,7 +45,7 @@ public class DemoController {
         Future<Boolean> future3 = executorService.submit(() -> demoService.testThreadPool());
 
         try {
-
+            // 可以获取返回值，此处会阻塞
             Boolean o1 = future1.get();
             System.out.println(LocalDateTime.now().getSecond());
 
@@ -61,6 +63,9 @@ public class DemoController {
         }
     }
 
+    /**
+     * 异步方式2，service方法中加注解@Async
+     */
     @GetMapping("testthreadpoolasyncs")
     public void testThreadPoolAsync() {
         System.out.println(LocalDateTime.now().getSecond());