Merge branch 'master' into release/4.8

 {
-  "extends": "stylelint-config-yoho"
+  "extends": "stylelint-config-yoho",
+  "rules": {
+    "string-quotes": "double"
+  }
 }

@@ -50,7 +50,7 @@
                         <div class="artice-cont">
                             <p>{{articeTxt}}</p>
                             <div class="artice-imgs-area">
-                                <img src="{{image src 266 266}}" />
+                                <img data-original="{{image src 266 266}}" class="lazy" />
 
                                 {{!-- <ul class="artice-imgs">
                                     {{#each articeImg}}

@@ -163,10 +163,6 @@ function setIndexAction() {
     $('#yoho-header, .head-tab').on('touchmove', function() {
         return false;
     });
-
-    $('img').on('load', function() {
-        starIScroll.iScroll.refresh();
-    });
 }
 
 function initAction() {
@@ -242,6 +238,10 @@ starIScroll.iScroll.on('scrollStart', function() {
 });
 
 starIScroll.iScroll.on('scroll', function() {
+    if (this.directionY !== -1) {
+        starIScroll.iScroll.refresh();
+    }
+
     if ($avatarWrap.offset().top <= headTabH) {
         $avatarClone.show();
 
@@ -278,6 +278,10 @@ starIScroll.iScroll.on('scrollEnd', function() {
     $loadingTip.slideUp();
 });
 
+$('img').on('load', function() {
+    starIScroll && starIScroll.iScroll.refresh();
+});
+
 window.setCookie('guangStarUid', window.queryString.uid);
 
 // 明星动态文章图片相关操作