Can't upload xxx.yml file in MacOS

[axiangcoding]

Self Checks

• I have searched for existing issues search for existing issues, including closed ones.
• I confirm that I am using English to submit this report (我已阅读并同意 Language Policy).
• [FOR CHINESE USERS] 请务必使用英文提交 Issue，否则会被关闭。谢谢！:）
• Please do not modify this template :) and fill in all the required fields.

1. Is this request related to a challenge you're experiencing? Tell me about your story.

Can't upload xxx.yml file when specific the both .yml and .yaml file extension in MacOS.

Defined here:

Try here:

Any thing i have missing?

2. Additional context or comments

Only in MacOS. browser Chrome