LibGDX的HTML项目在浏览器中没有显示任何内容

The question is self explanatory, when I run my demo-html project as a Web Application and I open Chrome with the provided link by eclipse, my browser doesn't show the image it is supposed to show in a new project.. However, the tab displays the correct title "Demo". Can somebody help me with this?The question is self explanatory, when I run my