much stuff

src/main/java/cc/fascinated/bat/exception/ResourceNotFoundException.java

@@ -0,0 +1,9 @@
+package cc.fascinated.bat.exception;
+
+import lombok.experimental.StandardException;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+@StandardException
+@ResponseStatus(HttpStatus.NOT_FOUND)
+public class ResourceNotFoundException extends RuntimeException { }