为什么我的第一屏打开时没有动画，从第二屏滚到第一屛时有动画？
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="renderer" content="webkit">
<title>fullpage</title>
<meta name="description" content="">
<meta name="keywords" content="">
<meta name="author" content="Jesse">
<link href="jquery.fullPage.css" rel="stylesheet">
<script src="jquery.min.js"></script>
<script src="jquery.fullPage.min.js"></script>
</head>
<style type="text/css">
section { position: relative;}
.section1 .left { width: 100px; height: 40px; line-height: 40px; font-size: 35px; box-shadow:0px 0px 3px #FFF; position: absolute; top: 200px; left: 50px;}
.section1 .right {width: 100px; height: 40px; line-height: 40px; font-size: 35px; box-shadow:0px 0px 3px #FFF; position: absolute; top: 200px; right: 50px;}
.section2 .left { width: 100px; height: 40px; line-height: 40px; font-size: 35px; box-shadow:0px 0px 3px #FFF; position: absolute; top: 200px; left: 50px;}
.section2 .right {width: 100px; height: 40px; line-height: 40px; font-size: 35px; box-shadow:0px 0px 3px #FFF; position: absolute; top: 200px; right: 50px;}
</style>
<body>
<script>
$(function() {
$('#fullpage').fullpage({
anchors:['page1','page2','page3','page4','page5'],
sectionsColor:['green','orange','gray','red','yellow'],
navigation:true,
afterLoad:function(link,index){
switch(index){
case 0:
break;
case 1:
move('.section1 .left')
.x(300)
.end();
case 2:
move('.section2 .right')
.x(-300)
.end();
break;
case 3:
break;
case 4:
break;
default:
break;
}
},
onLeave:function(link,index){
switch(index){
case 0:
break;
case 1:
move('.section1 .left')
.x(-300)
.end();
case 2:
move('.section2 .right')
.x(300)
.end();
break;
case 3:
break;
case 4:
break;
default:
break;
}
}
})
});
</script>
<div id="header" style="position:fixed;top:20px;right:20px;font-size: 30px;color:#fff;">123</div>
<div id="fullpage">
<div class="section section1">
<div class="left">
left
</div>
<div class="right">
right
</div>
</div>
<div class="section section2">
<div class="left">
left
</div>
<div class="right">
right
</div></div>
<div class="section">
<div class="slide"> Slide 1 </div>
<div class="slide"> Slide 2 </div>
<div class="slide active"> Slide 3 </div>
<div class="slide"> Slide 4 </div>
</div>
<div class="section">section4</div>
<div class="section">section5</div>
</div>
<script src="http://cdn.bootcss.com/move.js/0.4.0/move.js"></script>
</body>
</html>老师你好，我想问一下。为什么我的第一屏打开时没有动画，从第二屏滚到第一屛时有动画？
