fixed boxes

.github/PULL_REQUEST_TEMPLATE.md

@@ -6,13 +6,13 @@
 
 Please check the type of change your PR introduces:
 
-- [ ] Bugfix
-- [ ] Feature
-- [ ] Code style update (formatting, renaming)
-- [ ] Refactoring (no functional changes, no API changes)
-- [ ] Build-related changes
-- [ ] Documentation content changes
-- [ ] Other (please describe):
+- [] Bugfix
+- [] Feature
+- [] Code style update (formatting, renaming)
+- [] Refactoring (no functional changes, no API changes)
+- [] Build-related changes
+- [] Documentation content changes
+- [] Other (please describe):
 
 ## What is the current behavior?
 
@@ -30,8 +30,8 @@ Issue Number: N/A
 
 ## Does this introduce a breaking change?
 
-- [ ] Yes
-- [ ] No
+- [] Yes
+- [] No
 
 <!-- If this does introduce a breaking change, please describe the impact and migration path for existing applications below. -->