text:  let html='<span class="no-drag">Cesium实验室</span>'
  html+=   '<div class="toolbar no-drag">'
   html+=    '<svg class="icon" aria-hidden="true" onclick="changeWindow(\'setting\')">'
   html+='<use xlink:href="#icon-setting"></use>'
   html+='</svg>'
  
   html+='<svg class="icon" aria-hidden="true" click="changeWindow(\'min\')">'
   html+='<use xlink:href="#icon-min"></use>'
   html+='</svg>'
   html+='<svg class="icon" aria-hidden="true" click="changeWindow(\'max\')">'
   html+='<use xlink:href="#icon-max"></use>'
   html+='</svg>'
   html+='<svg class="icon" aria-hidden="true" click="changeWindow(\'close\')">'
   html+='<use xlink:href="#icon-close"></use>'
   html+='</svg>'
   html+='</div>'
  
   $.template( "movieTemplate", html   );
  
   $.tmpl( "movieTemplate", {} )
       .appendTo( ".header" );
  