title: is there any way to update data in mongodb
body: <p>I want to change the data from mongoDB</p>
  
  <pre><code>{
  "ainList" : [ 
      {"evaluation" : "ERROR"}
      ]
  }
  </code></pre>
  
  <p>This is the shape of mongdb data which is json</p>
  
  <p>So if know the query to change like this </p>
  
  <pre><code>{
  "ainList" : [ 
      {"evaluation" : "NORMAL"}
      ]
  }
  </code></pre>
  
  <p>Please teach me thank you!!</p>