README.md in platina_world-0.1.2.1 vs README.md in platina_world-0.1.3

@@ -63,12 +63,13 @@
 ```
 
 
 ## TODO
 
-- [ x ] dry-run
-- [ x ] logger
-- [ x ] error class
+- [x] dry-run
+- [x] logger
+- [x] error class
+- [x] check file exist or not
 - [ ] has contents
 - [ ] json parse
 - [ ] tree command json parse
 - [ ] easy format