diff --git a/source/css/index.styl b/source/css/index.styl
index ed467ae..ca743e0 100644
--- a/source/css/index.styl
+++ b/source/css/index.styl
@@ -1,5 +1,5 @@
-left-side-width = 30%
-right-side-width = 70%
+$left-side-width = 30%
+$right-side-width = 70%
 
 .page-container {
   position absolute
@@ -11,15 +11,26 @@ right-side-width = 70%
 
   .page-left {
     float: left
-    width: left-side-width
+    width: $left-side-width
     height: 100%
     position: fixed
   }
 
   .page-right {
     float: right
-    width: right-side-width
+    width: $right-side-width
     height: 100%
   }
 
-}
\ No newline at end of file
+  @media screen and (max-width: 960px) {
+    .page-left {
+      display none
+    }
+
+    .page-right {
+      width: 100%
+    }
+  }
+
+}
+
diff --git a/source/js/main.js b/source/js/main.js
index c8a1fa6..f0e253b 100644
--- a/source/js/main.js
+++ b/source/js/main.js
@@ -1,8 +1 @@
-console.log('this is main.js');
-(() => {
-    // 选择分页器元素里面的 a 标签，但不包含 .page-number，给指定元素追加类 btn 和 设置属性 role=navigation
-    document.querySelectorAll('.home-container .paginator a:not(.page-number)').forEach(e => {
-        e.classList.add('btn');
-        e.setAttribute('role', 'navigation');
-    });
-})();
\ No newline at end of file
+console.log('this is main.js');
\ No newline at end of file
diff --git a/source/js/utils.js b/source/js/utils.js
deleted file mode 100644
index 9173cc7..0000000
--- a/source/js/utils.js
+++ /dev/null
@@ -1,4 +0,0 @@
-export const addClass = (element, className) => {
-    element.classList.add(className)
-};
-