title: MongoDB how to sort by multiple fields like this?
body: <p><img src="https://i.stack.imgur.com/tjyp7.png" alt="enter image description here"></p>
  
  <p>Sorry for my English.
  I want to sort like this, <code>'initial'</code> status sort first，then sort by <code>'create_time'</code>. Is this possible? I guess the <code>'aggregate'</code> may be helpful, but I don't know how it can be used in this condition.</p>