fixed css

@@ -8,11 +8,20 @@
     .qrcode-tip {
         font-size: 20px;
         color: #c6c6c6;
-        background-image: url("../img/channel/tip.png");
-        background-size: 20px 20px;
-        padding-left: 30px;
+
+        &:before{
+            content: "";
+            display:inline-block;
+            width: 20px;
+            height: 20px;
+            background: url('/channel/tip.png') no-repeat;
+            background-size: 20px 20px;
+            vertical-align: -2px;
+            margin-right: 8px;
+        }
     }
 
+
     .qrcode-say {
         color: #c6c6c6;
         margin-top: 80px;
@@ -22,13 +31,13 @@
         position: relative;
 
         .chan {
-            background: url("../img/channel/up-icon.png");
-            background-size: 40px 40px;
+            background-image: url('/channel/up-icon.png');
+            background-size: 31px 31px;
             position: absolute;
             top: 50%;
             margin-top: -15px;
-            width: 40px;
-            height: 40px;
+            width: 31px;
+            height: 31px;
         }
 
         .prev {