diff --git a/static/css/wide.css b/static/css/wide.css
index 414f05f..bda76f2 100644
--- a/static/css/wide.css
+++ b/static/css/wide.css
@@ -142,12 +142,6 @@
 }
 /* end tabs */
 
-/* start framework */
-.content {
-    position: relative;
-}
-/* end framework */
-
 /* start menu */
 .menu {
     background-color: #F0F0F0;
diff --git a/static/js/wide.js b/static/js/wide.js
index c5de3d2..89e9d0e 100644
--- a/static/js/wide.js
+++ b/static/js/wide.js
@@ -314,9 +314,10 @@ var wide = {
         });
     },
     _initLayout: function () {
-        var mainH = $(window).height() - $(".menu").height() - $(".footer").height() - 1,
+        var mainH = $(window).height() - $(".menu").height() - $(".footer").height(),
                 bottomH = Math.floor(mainH * 0.3);
-        $(".content").height(mainH);
+        // 减小初始化界面抖动
+        $(".content").height(mainH).css("position", "relative");
         $(".side .tabs-panel").height(mainH - 20);
 
         $(".bottom-window-group > .tabs-panel > div > div").height(bottomH - 20);