fix

src/main/resources/application.properties

@@ -1,7 +1,7 @@
 #
 # ********** server config **********
 #
-server.port=7480
+server.port=7780
 server.servlet.session.timeout=PT2H
 spring.servlet.multipart.max-request-size=100MB
 spring.servlet.multipart.max-file-size=100MB