github - error occurs when using git push: src refspec master does not match any. What is the reason?

Question

To use git push, take the following steps:

git init
git add README.md
git commit -m "first commit"
git remote add origin https://github.com/focusor/focusor.github.io.git
git push -u origin master

The following error occurs:

error: src refspec master does not match any. 
error: failed to push some refs to "xxxxxxx"

Then the solution is as follows:

git add .
git commit -m "write your meaaage"

The push was successful after that. What is the specific reason?

Answer 1

This kind of error is usually caused by the fact that there is no file in the temporary storage area when pushing. Check whether the README.md of add exists

Answer 2

The above is correct, your temporary storage area has no content