Merge branch 'master' into release/4.6

@@ -35,7 +35,6 @@ function PullRefresh(seclector, options) {
 
     this.iScroll = new IScroll($em.get(0), {
         click: true,
-        bounce: false,
         probeType: 3
     });
 

@@ -121,6 +121,7 @@
     }
 
     .star-main {
+        position: relative;
         margin-top: 88px;
     }
 
@@ -390,11 +391,15 @@
     }
 
     .loading-tip {
+        position: absolute;
+        top: 0;
+        left: 50%;
+        transform: translate(-50%, 0);
+        padding: 30px 0;
         display: none;
         text-align: center;
         color: #ccc;
         font-size: 18px;
-        margin: 30px 0;
     }
 
     .swiper-num {