diff --git a/src/base/pane.js b/src/base/pane.js
index a839febe0..332331931 100644
--- a/src/base/pane.js
+++ b/src/base/pane.js
@@ -55,23 +55,23 @@ BI.Pane = BI.inherit(BI.Widget, {
             cls: "bi-loading-widget" + ((BI.isIE() && BI.getIEVersion() < 10) ? " hack" : ""),
             height: 30,
             width: 30,
-            hgap: 5.625,
+            hgap: 5.25,
             vgap: 2.5,
             items: [{
                 type: "bi.layout",
                 cls: "rect1",
                 height: 25,
-                width: 2.5
+                width: 3
             }, {
                 type: "bi.layout",
                 cls: "rect2",
                 height: 25,
-                width: 2.5
+                width: 3
             }, {
                 type: "bi.layout",
                 cls: "rect3",
                 height: 25,
-                width: 2.5
+                width: 3
             }]
         });
         // pane在同步方式下由items决定tipText的显示与否
diff --git a/src/less/base/pane.less b/src/less/base/pane.less
index ede0efd74..d4260c3c8 100644
--- a/src/less/base/pane.less
+++ b/src/less/base/pane.less
@@ -1,5 +1,6 @@
 @import "../index";
-@import "../resource/background";
+@import "../image";
+@import "../lib/icon";
 .bi-pane {
     min-height: 55px;
     & .loading-container {
@@ -11,7 +12,7 @@
     font-size: 0;
     div {
         .background-color(@background-color-highlight, 90%);
-        .border-radius(1.25px);
+        .border-radius(1.5px);
         .animation(loading-widget 0.8s infinite linear);
     }
     .rect2 {
@@ -29,7 +30,7 @@
         }
     });
     &.hack {
-        .loading-background;
+        .image2xPath(@icon-wave-loading);
         div {
             .background-color(@background-color-highlight, 0%);
         }
diff --git a/src/less/lib/icon.less b/src/less/lib/icon.less
index efb44cb37..f93fda71c 100644
--- a/src/less/lib/icon.less
+++ b/src/less/lib/icon.less
@@ -1,55 +1,56 @@
-@icon-checkbox-normal: "icon/check_box_normal.png";
-@icon-checkbox-active: "icon/check_box_active.png";
-@icon-checkbox-disable: "icon/check_box_disable.png";
-@icon-checkbox-active-disable: "icon/check_box_disable2.png";
-
-@icon-radio-normal: "icon/radio_normal.png";
-@icon-radio-active: "icon/radio_active.png";
-@icon-radio-disable: "icon/radio_disable.png";
-@icon-radio-active-disable: "icon/radio_disable2.png";
-
-@icon-half-select: "icon/half_selected.png";
-
-@icon-tree-expand-type1: "icon/tree_expand_1.png";
-@icon-tree-expand-type2: "icon/tree_expand_2.png";
-@icon-tree-expand-type3: "icon/tree_expand_3.png";
-@icon-tree-expand-type4: "icon/tree_expand_4.png";
-
-@icon-tree-collapse-type1: "icon/tree_collapse_1.png";
-@icon-tree-collapse-type2: "icon/tree_collapse_2.png";
-@icon-tree-collapse-type3: "icon/tree_collapse_3.png";
-@icon-tree-collapse-type4: "icon/tree_collapse_4.png";
-
-@icon-tree-vertical-line-1: "icon/tree_vertical_line_1.png";
-@icon-tree-vertical-line-2: "icon/tree_vertical_line_2.png";
-@icon-tree-vertical-line-3: "icon/tree_vertical_line_3.png";
-@icon-tree-vertical-line-4: "icon/tree_vertical_line_4.png";
-
-@icon-tree-expand-type1-theme-dark: "icon/dark/tree_expand_1.png";
-@icon-tree-expand-type2-theme-dark: "icon/dark/tree_expand_2.png";
-@icon-tree-expand-type3-theme-dark: "icon/dark/tree_expand_3.png";
-@icon-tree-expand-type4-theme-dark: "icon/dark/tree_expand_4.png";
-
-@icon-tree-collapse-type1-theme-dark: "icon/dark/tree_collapse_1.png";
-@icon-tree-collapse-type2-theme-dark: "icon/dark/tree_collapse_2.png";
-@icon-tree-collapse-type3-theme-dark: "icon/dark/tree_collapse_3.png";
-@icon-tree-collapse-type4-theme-dark: "icon/dark/tree_collapse_4.png";
-
-@icon-tree-vertical-line-1-theme-dark: "icon/dark/tree_vertical_line_1.png";
-@icon-tree-vertical-line-2-theme-dark: "icon/dark/tree_vertical_line_2.png";
-@icon-tree-vertical-line-3-theme-dark: "icon/dark/tree_vertical_line_3.png";
-@icon-tree-vertical-line-4-theme-dark: "icon/dark/tree_vertical_line_4.png";
-
-@icon-loading: "icon/loading.gif";
-
-//滑块
-@icon-slider-normal: "icon/slider_normal_small.png";
-@icon-slider-active: "icon/slider_active_small.png";
-
-//颜色自动、透明
-@icon-auto-normal: "icon/auto_normal.png";
-@icon-auto-select: "icon/auto_select.png";
-@icon-auto-disable: "icon/auto_disable.png";
-@icon-trans-normal: "icon/trans_normal.png";
-@icon-trans-select: "icon/trans_select.png";
+@icon-checkbox-normal: "icon/check_box_normal.png";
+@icon-checkbox-active: "icon/check_box_active.png";
+@icon-checkbox-disable: "icon/check_box_disable.png";
+@icon-checkbox-active-disable: "icon/check_box_disable2.png";
+
+@icon-radio-normal: "icon/radio_normal.png";
+@icon-radio-active: "icon/radio_active.png";
+@icon-radio-disable: "icon/radio_disable.png";
+@icon-radio-active-disable: "icon/radio_disable2.png";
+
+@icon-half-select: "icon/half_selected.png";
+
+@icon-tree-expand-type1: "icon/tree_expand_1.png";
+@icon-tree-expand-type2: "icon/tree_expand_2.png";
+@icon-tree-expand-type3: "icon/tree_expand_3.png";
+@icon-tree-expand-type4: "icon/tree_expand_4.png";
+
+@icon-tree-collapse-type1: "icon/tree_collapse_1.png";
+@icon-tree-collapse-type2: "icon/tree_collapse_2.png";
+@icon-tree-collapse-type3: "icon/tree_collapse_3.png";
+@icon-tree-collapse-type4: "icon/tree_collapse_4.png";
+
+@icon-tree-vertical-line-1: "icon/tree_vertical_line_1.png";
+@icon-tree-vertical-line-2: "icon/tree_vertical_line_2.png";
+@icon-tree-vertical-line-3: "icon/tree_vertical_line_3.png";
+@icon-tree-vertical-line-4: "icon/tree_vertical_line_4.png";
+
+@icon-tree-expand-type1-theme-dark: "icon/dark/tree_expand_1.png";
+@icon-tree-expand-type2-theme-dark: "icon/dark/tree_expand_2.png";
+@icon-tree-expand-type3-theme-dark: "icon/dark/tree_expand_3.png";
+@icon-tree-expand-type4-theme-dark: "icon/dark/tree_expand_4.png";
+
+@icon-tree-collapse-type1-theme-dark: "icon/dark/tree_collapse_1.png";
+@icon-tree-collapse-type2-theme-dark: "icon/dark/tree_collapse_2.png";
+@icon-tree-collapse-type3-theme-dark: "icon/dark/tree_collapse_3.png";
+@icon-tree-collapse-type4-theme-dark: "icon/dark/tree_collapse_4.png";
+
+@icon-tree-vertical-line-1-theme-dark: "icon/dark/tree_vertical_line_1.png";
+@icon-tree-vertical-line-2-theme-dark: "icon/dark/tree_vertical_line_2.png";
+@icon-tree-vertical-line-3-theme-dark: "icon/dark/tree_vertical_line_3.png";
+@icon-tree-vertical-line-4-theme-dark: "icon/dark/tree_vertical_line_4.png";
+
+@icon-loading: "icon/loading.gif";
+@icon-wave-loading: "icon/wave_loading.gif";
+
+//滑块
+@icon-slider-normal: "icon/slider_normal_small.png";
+@icon-slider-active: "icon/slider_active_small.png";
+
+//颜色自动、透明
+@icon-auto-normal: "icon/auto_normal.png";
+@icon-auto-select: "icon/auto_select.png";
+@icon-auto-disable: "icon/auto_disable.png";
+@icon-trans-normal: "icon/trans_normal.png";
+@icon-trans-select: "icon/trans_select.png";
 @icon-trans-disable: "icon/trans_disable.png";
\ No newline at end of file