MyEclipse2014 Modifying the value of Web-root folder

Problem Description:

I deployed the CVS project to Tomcat and then published the Access page and found a index.jsp interface. To Tomcat inside the view, found that the corresponding project files only a few, as follows:

Feel wrong, later consulted colleagues, she said our company's project is loaded in the Web directory, and MyEclipse2014 default directory is Webroot, as follows:

So here's the problem, this field is read-only on the interface. On the internet to find a lot of answers, can not modify this value, and later came up with another method, the results were successful. Here's how:

The above step is to create a Web path, which is what I need

The following is the webroot of the line to delete the message (because the selected time can not be modified)

After saving, the interface is as follows and the modification succeeds.