update files

-14052
+9352

@@ -27,6 +27,9 @@ lazyLoad($('img.lazy'));
 //$('img:in-viewport').trigger('appear');
 
 
+$('.download-btn').on('click', function (event) {
+    alert('点击了');
+}
 //点击首页汉堡menu图标，滑出侧栏导航
 $('.nav-btn').on('click', function (event) {
     if (!$(this).hasClass('menu-open')) {
@@ -153,17 +156,18 @@ $('.header-download').on('click', '.close-btn', function () {
 //logo动画
 requestFrame = (function () {
     prefixList = ['webkit', 'moz', 'ms'];
-
+    var tempFunc = null;
     for (i = 0; i < prefixList.length; i++) {
         thisFunc = prefixList[i] + 'RequestAnimationFrame';
         if (window[thisFunc]) {
             supportCss3 = true;
+            tempFunc = thisFunc;
         }
     }
 
     if (supportCss3) {
         return function (callback) {
-            window[thisFunc](callback);
+            window[tempFunc](callback);
         };
     }
     return function (callback) {

@@ -19,3 +19,4 @@
 	</div>
 </div>
 
+