title: Problem with git commit -m, switch 'm' requires a value?
body: <p>I have problem with git like </p>
  
  <p><img src="https://i.stack.imgur.com/evcs3.png" alt="E235 attention"></p>
  
  <p>When I do <code>git commit</code>. Then I tried <code>git commit -m</code>, it said to me that <code>error: switch 'm' requires a value</code></p>
  
  <p>I am very confused with this, could you please give me some ideas?</p>