title: uitableviewcell segue don't work
body: <p>i am new to ios,i write some basic code with storyboard for study.</p>
  
  <p>i have a tabbar controller which have two tab bar item.i want the second item display a tableview,so i drag tableview to the uiviewcontroller,then in the tabview,i add a static table cell.then i drag a uiviewcontroller and a text label in it to display.</p>
  
  <p>i want when i click the tablecell,the program will take me to the uiviewcontroller who has a simple text label,so i add a segue from tablecell to the new uiviewcontroller,but it seems don't work.</p>
  
  <p>my code is  here:<a href="https://www.dropbox.com/s/ozuy71561w0scg6/SlamDunk.zip" rel="nofollow noreferrer">dropbox</a>
  <img src="https://i.stack.imgur.com/10W4U.jpg" alt="here is my storyboard"></p>