fix slider style issue

@@ -9,7 +9,7 @@ const getContent = () => {
                         link: '/'
                     },
                     {
-                        img: '//img10.static.yhbimg.com/yhb-img01/2016/06/28/11/015a86ade17dc6213bab85b2162adebcd6.jpg?imageView2/2/w/1150/h/450',
+                        img: '//img10.static.yhbimg.com/yhb-img01/2016/06/23/13/01ebff30179db84975c42a4f3c8b1f4d44.jpg?imageView2/1/w/1150/h/450',
                         link: '/'
                     },
                     {
@@ -17,6 +17,18 @@ const getContent = () => {
                         link: '/'
                     },
                     {
+                        img: '//img10.static.yhbimg.com/yhb-img01/2016/06/23/13/01ebff30179db84975c42a4f3c8b1f4d44.jpg?imageView2/1/w/1150/h/450',
+                        link: '/'
+                    },
+                    {
+                        img: '//placehold.it/{width}x{height}',
+                        link: '/'
+                    },
+                    {
+                        img: '//img10.static.yhbimg.com/yhb-img01/2016/06/28/11/015a86ade17dc6213bab85b2162adebcd6.jpg?imageView2/2/w/1150/h/450',
+                        link: '/'
+                    },
+                    {
                         img: '//img10.static.yhbimg.com/yhb-img01/2016/06/28/11/015a86ade17dc6213bab85b2162adebcd6.jpg?imageView2/2/w/1150/h/450',
                         link: '/'
                     },

@@ -5,9 +5,9 @@
             <li style="{{#if bgColor}}background:{{bgColor}}{{/if}}">
                 <a href="{{url}}" target= "_blank">
                     {{#if @first}}
-                    <img src="{{image img 1150 450}}">
+                    <img src="{{image img 1920 645}}">
                     {{^}}
-                    <img class="lazy-img" data-original="{{image img 1150 450}}" alt="">
+                    <img class="lazy-img" data-original="{{image img 1920 645}}" alt="">
                     {{/if}}
                 </a>
                 {{# tips}}

 .home-page {
-    $sliderHeight: 450px;
+    $sliderHeight: 645px;
 
     width: 1150px;
     margin: 10px auto 0;
@@ -21,7 +21,7 @@
 
     .slide-wrapper {
         position: relative;
-        height: 450px;
+        height: $sliderHeight;
         overflow: hidden;
 
         ul {
@@ -60,7 +60,7 @@
     }
 
     .slide-container-placeholder {
-        height: 450px;
+        height: $sliderHeight;
         width: 100%;
 
     }