Use update command. Your query should look like db.collection.update({_id:'5sq8uye1236g'},{$set :{token :12345});. Read more about updating ... ... <看更多>

MongoDB documentation: Update Operators ... Creates an update that adds each of the given values to the array value of the field with the given name, ... ... <看更多>

C# and MongoDB Update Operation. GitHub Gist: instantly share code, notes, and snippets. ... <看更多>