title: git push error: RPC failed; result=56, HTTP code = 0
body: <p>Detailed info:</p>
  
  <pre><code>Username for 'https://xiangwan.visualstudio.com': xiangwan
  Password for 'https://xiangwan@xiangwan.visualstudio.com':
  Counting objects: 85, done.
  Delta compression using up to 4 threads.
  Compressing objects: 100% (58/58), done.
  Writing objects: 100% (63/63), 20.67 KiB | 0 bytes/s, done.
  Total 63 (delta 26), reused 1 (delta 0)
  error: RPC failed; result=56, HTTP code = 0
  fatal: The remote end hung up unexpectedly
  fatal: The remote end hung up unexpectedly
  Everything up-to-date
  </code></pre>
  
  <ol>
  <li>has set <code>git config http.postBuffer 524288000</code>, still the error;</li>
  <li>Only HTTPS authenticate, no SSH</li>
  </ol>