title: Why TDengine database 2.3.4 has no 6041 port listened?
body: <p><a href="https://i.stack.imgur.com/Y9uAI.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Y9uAI.png" alt="enter image description here" /></a></p>
  <p>who can help me on this ? I couldn't use curl (curl -H 'Authorization: Basic cm9vdDp0YW9zZGF0YQ==' -d 'show databases;'  xxx:6041/rest/sql) to connect to TDengine since I upgrade it to 2.3.4.0</p>