diff --git a/dist/base.css b/dist/base.css
index 790f04d64..c52d8d866 100644
--- a/dist/base.css
+++ b/dist/base.css
@@ -527,8 +527,7 @@
 }
 /* GUTTER */
 .CodeMirror-gutters {
-  border-right: 1px solid #ddd;
-  background-color: #f7f7f7;
+  background-color: #F2F4F7;
   white-space: nowrap;
 }
 .CodeMirror-linenumber {
@@ -906,7 +905,7 @@ div.CodeMirror-cursors {
   background: #d9d9d9;
 }
 .CodeMirror-focused .CodeMirror-selected {
-  background: #d7d4f0;
+  background: #3685F2;
 }
 .CodeMirror-crosshair {
   cursor: crosshair;
diff --git a/dist/bundle.css b/dist/bundle.css
index 52513a665..75b6b3f6e 100644
--- a/dist/bundle.css
+++ b/dist/bundle.css
@@ -2367,8 +2367,7 @@ textarea {
 }
 /* GUTTER */
 .CodeMirror-gutters {
-  border-right: 1px solid #ddd;
-  background-color: #f7f7f7;
+  background-color: #F2F4F7;
   white-space: nowrap;
 }
 .CodeMirror-linenumber {
@@ -2746,7 +2745,7 @@ div.CodeMirror-cursors {
   background: #d9d9d9;
 }
 .CodeMirror-focused .CodeMirror-selected {
-  background: #d7d4f0;
+  background: #3685F2;
 }
 .CodeMirror-crosshair {
   cursor: crosshair;
diff --git a/dist/bundle.js b/dist/bundle.js
index cee0b97e5..9d09dbf60 100644
--- a/dist/bundle.js
+++ b/dist/bundle.js
@@ -73404,8 +73404,8 @@ BI.shortcut("bi.mid_plus_group_node", BI.MidPlusGroupNode);BI.MultiLayerIconArro
             pId: "",
             open: false,
             height: 24,
-            iconHeight: 12,
-            iconWidth: 12,
+            iconHeight: 16,
+            iconWidth: 16,
             iconCls: ""
         });
     },
@@ -73438,7 +73438,7 @@ BI.shortcut("bi.mid_plus_group_node", BI.MidPlusGroupNode);BI.MultiLayerIconArro
         BI.count(0, o.layer, function () {
             items.push({
                 type: "bi.layout",
-                width: 12,
+                width: 24,
                 height: o.height
             });
         });
@@ -73446,7 +73446,7 @@ BI.shortcut("bi.mid_plus_group_node", BI.MidPlusGroupNode);BI.MultiLayerIconArro
         BI.createWidget({
             type: "bi.td",
             element: this,
-            columnSize: BI.makeArray(o.layer, 13),
+            columnSize: BI.makeArray(o.layer, 24),
             items: [items]
         });
     },
@@ -73483,7 +73483,8 @@ BI.shortcut("bi.mid_plus_group_node", BI.MidPlusGroupNode);BI.MultiLayerIconArro
     }
 });
 
-BI.shortcut("bi.multilayer_icon_arrow_node", BI.MultiLayerIconArrowNode);/**
+BI.shortcut("bi.multilayer_icon_arrow_node", BI.MultiLayerIconArrowNode);
+/**
  * 加号表示的组节点
  * Created by GUY on 2015/9/6.
  * @class BI.PlusGroupNode
@@ -74015,8 +74016,8 @@ BI.MultiLayerIconTreeLeafItem = BI.inherit(BI.BasicButton, {
             layer: 0,
             height: 24,
             iconCls: "",
-            iconHeight: 12,
-            iconWidth: 12
+            iconHeight: 16,
+            iconWidth: 16
         });
     },
     _init: function () {
@@ -74048,7 +74049,7 @@ BI.MultiLayerIconTreeLeafItem = BI.inherit(BI.BasicButton, {
         BI.count(0, o.layer, function () {
             items.push({
                 type: "bi.layout",
-                width: 12,
+                width: 24,
                 height: o.height
             });
         });
@@ -74056,7 +74057,7 @@ BI.MultiLayerIconTreeLeafItem = BI.inherit(BI.BasicButton, {
         BI.createWidget({
             type: "bi.td",
             element: this,
-            columnSize: BI.makeArray(o.layer, 12),
+            columnSize: BI.makeArray(o.layer, 24),
             items: [items]
         });
     },
@@ -74100,7 +74101,8 @@ BI.MultiLayerIconTreeLeafItem = BI.inherit(BI.BasicButton, {
     }
 });
 
-BI.shortcut("bi.multilayer_icon_tree_leaf_item", BI.MultiLayerIconTreeLeafItem);/**
+BI.shortcut("bi.multilayer_icon_tree_leaf_item", BI.MultiLayerIconTreeLeafItem);
+/**
  * 树叶子节点
  * Created by GUY on 2015/9/6.
  * @class BI.TreeTextLeafItem
diff --git a/dist/case.js b/dist/case.js
index 05e339497..92d623685 100644
--- a/dist/case.js
+++ b/dist/case.js
@@ -835,8 +835,8 @@ BI.shortcut("bi.mid_plus_group_node", BI.MidPlusGroupNode);BI.MultiLayerIconArro
             pId: "",
             open: false,
             height: 24,
-            iconHeight: 12,
-            iconWidth: 12,
+            iconHeight: 16,
+            iconWidth: 16,
             iconCls: ""
         });
     },
@@ -869,7 +869,7 @@ BI.shortcut("bi.mid_plus_group_node", BI.MidPlusGroupNode);BI.MultiLayerIconArro
         BI.count(0, o.layer, function () {
             items.push({
                 type: "bi.layout",
-                width: 12,
+                width: 24,
                 height: o.height
             });
         });
@@ -877,7 +877,7 @@ BI.shortcut("bi.mid_plus_group_node", BI.MidPlusGroupNode);BI.MultiLayerIconArro
         BI.createWidget({
             type: "bi.td",
             element: this,
-            columnSize: BI.makeArray(o.layer, 13),
+            columnSize: BI.makeArray(o.layer, 24),
             items: [items]
         });
     },
@@ -914,7 +914,8 @@ BI.shortcut("bi.mid_plus_group_node", BI.MidPlusGroupNode);BI.MultiLayerIconArro
     }
 });
 
-BI.shortcut("bi.multilayer_icon_arrow_node", BI.MultiLayerIconArrowNode);/**
+BI.shortcut("bi.multilayer_icon_arrow_node", BI.MultiLayerIconArrowNode);
+/**
  * 加号表示的组节点
  * Created by GUY on 2015/9/6.
  * @class BI.PlusGroupNode
@@ -1446,8 +1447,8 @@ BI.MultiLayerIconTreeLeafItem = BI.inherit(BI.BasicButton, {
             layer: 0,
             height: 24,
             iconCls: "",
-            iconHeight: 12,
-            iconWidth: 12
+            iconHeight: 16,
+            iconWidth: 16
         });
     },
     _init: function () {
@@ -1479,7 +1480,7 @@ BI.MultiLayerIconTreeLeafItem = BI.inherit(BI.BasicButton, {
         BI.count(0, o.layer, function () {
             items.push({
                 type: "bi.layout",
-                width: 12,
+                width: 24,
                 height: o.height
             });
         });
@@ -1487,7 +1488,7 @@ BI.MultiLayerIconTreeLeafItem = BI.inherit(BI.BasicButton, {
         BI.createWidget({
             type: "bi.td",
             element: this,
-            columnSize: BI.makeArray(o.layer, 12),
+            columnSize: BI.makeArray(o.layer, 24),
             items: [items]
         });
     },
@@ -1531,7 +1532,8 @@ BI.MultiLayerIconTreeLeafItem = BI.inherit(BI.BasicButton, {
     }
 });
 
-BI.shortcut("bi.multilayer_icon_tree_leaf_item", BI.MultiLayerIconTreeLeafItem);/**
+BI.shortcut("bi.multilayer_icon_tree_leaf_item", BI.MultiLayerIconTreeLeafItem);
+/**
  * 树叶子节点
  * Created by GUY on 2015/9/6.
  * @class BI.TreeTextLeafItem
diff --git a/dist/fineui.css b/dist/fineui.css
index e029adbdb..5e00d294b 100644
--- a/dist/fineui.css
+++ b/dist/fineui.css
@@ -2367,8 +2367,7 @@ textarea {
 }
 /* GUTTER */
 .CodeMirror-gutters {
-  border-right: 1px solid #ddd;
-  background-color: #f7f7f7;
+  background-color: #F2F4F7;
   white-space: nowrap;
 }
 .CodeMirror-linenumber {
@@ -2746,7 +2745,7 @@ div.CodeMirror-cursors {
   background: #d9d9d9;
 }
 .CodeMirror-focused .CodeMirror-selected {
-  background: #d7d4f0;
+  background: #3685F2;
 }
 .CodeMirror-crosshair {
   cursor: crosshair;
diff --git a/dist/fineui.js b/dist/fineui.js
index 03bd87ea2..b34ac245d 100644
--- a/dist/fineui.js
+++ b/dist/fineui.js
@@ -73653,8 +73653,8 @@ BI.shortcut("bi.mid_plus_group_node", BI.MidPlusGroupNode);BI.MultiLayerIconArro
             pId: "",
             open: false,
             height: 24,
-            iconHeight: 12,
-            iconWidth: 12,
+            iconHeight: 16,
+            iconWidth: 16,
             iconCls: ""
         });
     },
@@ -73687,7 +73687,7 @@ BI.shortcut("bi.mid_plus_group_node", BI.MidPlusGroupNode);BI.MultiLayerIconArro
         BI.count(0, o.layer, function () {
             items.push({
                 type: "bi.layout",
-                width: 12,
+                width: 24,
                 height: o.height
             });
         });
@@ -73695,7 +73695,7 @@ BI.shortcut("bi.mid_plus_group_node", BI.MidPlusGroupNode);BI.MultiLayerIconArro
         BI.createWidget({
             type: "bi.td",
             element: this,
-            columnSize: BI.makeArray(o.layer, 13),
+            columnSize: BI.makeArray(o.layer, 24),
             items: [items]
         });
     },
@@ -73732,7 +73732,8 @@ BI.shortcut("bi.mid_plus_group_node", BI.MidPlusGroupNode);BI.MultiLayerIconArro
     }
 });
 
-BI.shortcut("bi.multilayer_icon_arrow_node", BI.MultiLayerIconArrowNode);/**
+BI.shortcut("bi.multilayer_icon_arrow_node", BI.MultiLayerIconArrowNode);
+/**
  * 加号表示的组节点
  * Created by GUY on 2015/9/6.
  * @class BI.PlusGroupNode
@@ -74264,8 +74265,8 @@ BI.MultiLayerIconTreeLeafItem = BI.inherit(BI.BasicButton, {
             layer: 0,
             height: 24,
             iconCls: "",
-            iconHeight: 12,
-            iconWidth: 12
+            iconHeight: 16,
+            iconWidth: 16
         });
     },
     _init: function () {
@@ -74297,7 +74298,7 @@ BI.MultiLayerIconTreeLeafItem = BI.inherit(BI.BasicButton, {
         BI.count(0, o.layer, function () {
             items.push({
                 type: "bi.layout",
-                width: 12,
+                width: 24,
                 height: o.height
             });
         });
@@ -74305,7 +74306,7 @@ BI.MultiLayerIconTreeLeafItem = BI.inherit(BI.BasicButton, {
         BI.createWidget({
             type: "bi.td",
             element: this,
-            columnSize: BI.makeArray(o.layer, 12),
+            columnSize: BI.makeArray(o.layer, 24),
             items: [items]
         });
     },
@@ -74349,7 +74350,8 @@ BI.MultiLayerIconTreeLeafItem = BI.inherit(BI.BasicButton, {
     }
 });
 
-BI.shortcut("bi.multilayer_icon_tree_leaf_item", BI.MultiLayerIconTreeLeafItem);/**
+BI.shortcut("bi.multilayer_icon_tree_leaf_item", BI.MultiLayerIconTreeLeafItem);
+/**
  * 树叶子节点
  * Created by GUY on 2015/9/6.
  * @class BI.TreeTextLeafItem
diff --git a/src/case/button/node/node.multilayer.icon.arrow.js b/src/case/button/node/node.multilayer.icon.arrow.js
index 9c6f4e3ec..ec2a301fd 100644
--- a/src/case/button/node/node.multilayer.icon.arrow.js
+++ b/src/case/button/node/node.multilayer.icon.arrow.js
@@ -8,8 +8,8 @@ BI.MultiLayerIconArrowNode = BI.inherit(BI.NodeButton, {
             pId: "",
             open: false,
             height: 24,
-            iconHeight: 12,
-            iconWidth: 12,
+            iconHeight: 16,
+            iconWidth: 16,
             iconCls: ""
         });
     },
@@ -42,7 +42,7 @@ BI.MultiLayerIconArrowNode = BI.inherit(BI.NodeButton, {
         BI.count(0, o.layer, function () {
             items.push({
                 type: "bi.layout",
-                width: 12,
+                width: 24,
                 height: o.height
             });
         });
@@ -50,7 +50,7 @@ BI.MultiLayerIconArrowNode = BI.inherit(BI.NodeButton, {
         BI.createWidget({
             type: "bi.td",
             element: this,
-            columnSize: BI.makeArray(o.layer, 13),
+            columnSize: BI.makeArray(o.layer, 24),
             items: [items]
         });
     },
@@ -87,4 +87,4 @@ BI.MultiLayerIconArrowNode = BI.inherit(BI.NodeButton, {
     }
 });
 
-BI.shortcut("bi.multilayer_icon_arrow_node", BI.MultiLayerIconArrowNode);
\ No newline at end of file
+BI.shortcut("bi.multilayer_icon_arrow_node", BI.MultiLayerIconArrowNode);
diff --git a/src/case/button/treeitem/item.multilayer.icon.treeleaf.js b/src/case/button/treeitem/item.multilayer.icon.treeleaf.js
index 050a9e59d..f4fcafea7 100644
--- a/src/case/button/treeitem/item.multilayer.icon.treeleaf.js
+++ b/src/case/button/treeitem/item.multilayer.icon.treeleaf.js
@@ -9,8 +9,8 @@ BI.MultiLayerIconTreeLeafItem = BI.inherit(BI.BasicButton, {
             layer: 0,
             height: 24,
             iconCls: "",
-            iconHeight: 12,
-            iconWidth: 12
+            iconHeight: 16,
+            iconWidth: 16
         });
     },
     _init: function () {
@@ -42,7 +42,7 @@ BI.MultiLayerIconTreeLeafItem = BI.inherit(BI.BasicButton, {
         BI.count(0, o.layer, function () {
             items.push({
                 type: "bi.layout",
-                width: 12,
+                width: 24,
                 height: o.height
             });
         });
@@ -50,7 +50,7 @@ BI.MultiLayerIconTreeLeafItem = BI.inherit(BI.BasicButton, {
         BI.createWidget({
             type: "bi.td",
             element: this,
-            columnSize: BI.makeArray(o.layer, 12),
+            columnSize: BI.makeArray(o.layer, 24),
             items: [items]
         });
     },
@@ -94,4 +94,4 @@ BI.MultiLayerIconTreeLeafItem = BI.inherit(BI.BasicButton, {
     }
 });
 
-BI.shortcut("bi.multilayer_icon_tree_leaf_item", BI.MultiLayerIconTreeLeafItem);
\ No newline at end of file
+BI.shortcut("bi.multilayer_icon_tree_leaf_item", BI.MultiLayerIconTreeLeafItem);
diff --git a/src/css/base/formula/codemirror.css b/src/css/base/formula/codemirror.css
index e51c335fa..482ed06f3 100644
--- a/src/css/base/formula/codemirror.css
+++ b/src/css/base/formula/codemirror.css
@@ -22,8 +22,7 @@
 }
 /* GUTTER */
 .CodeMirror-gutters {
-  border-right: 1px solid #ddd;
-  background-color: #f7f7f7;
+  background-color: #F2F4F7;
   white-space: nowrap;
 }
 .CodeMirror-linenumber {
@@ -401,7 +400,7 @@ div.CodeMirror-cursors {
   background: #d9d9d9;
 }
 .CodeMirror-focused .CodeMirror-selected {
-  background: #d7d4f0;
+  background: #3685F2;
 }
 .CodeMirror-crosshair {
   cursor: crosshair;
diff --git a/src/less/base/formula/codemirror.less b/src/less/base/formula/codemirror.less
index fc255d611..b378e34de 100644
--- a/src/less/base/formula/codemirror.less
+++ b/src/less/base/formula/codemirror.less
@@ -27,8 +27,7 @@
 /* GUTTER */
 
 .CodeMirror-gutters {
-  border-right: 1px solid #ddd;
-  background-color: #f7f7f7;
+  background-color: #F2F4F7;
   white-space: nowrap;
 }
 
@@ -496,7 +495,7 @@ div.CodeMirror-cursors {
 }
 
 .CodeMirror-focused .CodeMirror-selected {
-  background: #d7d4f0;
+  background: #3685F2;
 }
 
 .CodeMirror-crosshair {
@@ -585,4 +584,4 @@ span.CodeMirror-selectedtext {
 li.CodeMirror-hint-active {
   background: #08f;
   color: white;
-}
\ No newline at end of file
+}