diff --git a/src/main/java/tw/yukina/portable_lab/router/RouterApplication.java b/src/main/java/tw/yukina/portable_lab/router/RouterApplication.java
index ec3c78a..01f791e 100644
--- a/src/main/java/tw/yukina/portable_lab/router/RouterApplication.java
+++ b/src/main/java/tw/yukina/portable_lab/router/RouterApplication.java
@@ -3,9 +3,9 @@
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
-@SuppressWarnings("checkstyle:HideUtilityClassConstructor")
+@SuppressWarnings({"checkstyle:HideUtilityClassConstructor", "checkstyle:FinalClass"})
 @SpringBootApplication
-public final class RouterApplication {
+public class RouterApplication {
     /**
      * Main method to run the application.
      *