增加无参构造方法

hsweb-core/src/main/java/org/hswebframework/web/NotFoundException.java

@@ -25,4 +25,8 @@ public class NotFoundException extends BusinessException {
     public NotFoundException(String message) {
         super(message, 404);
     }
+
+    public NotFoundException() {
+        this("data not found");
+    }
 }