.

src/main/java/com/miyzh/QingdaoUploadApplication.java

@@ -6,6 +6,7 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.scheduling.annotation.EnableAsync;
 
 @SpringBootApplication
+@EnableAsync
 public class QingdaoUploadApplication {
     public static void main(String[] args) {
         SpringApplication.run(QingdaoUploadApplication.class, args);