diff --git a/dev/App.vue b/dev/App.vue
index b249778..2f4b9b2 100644
--- a/dev/App.vue
+++ b/dev/App.vue
@@ -9,7 +9,7 @@
     </div>
 </template>
 <script>
-  import { VueTreeList, Tree, TreeNode } from '../dist/vue-tree-list.min'
+  import { VueTreeList, Tree, TreeNode } from '../src'
   export default {
     components: {
       VueTreeList
diff --git a/dist/vue-tree-list.min.js b/dist/vue-tree-list.min.js
index 1b12ac5..e7323f3 100644
--- a/dist/vue-tree-list.min.js
+++ b/dist/vue-tree-list.min.js
@@ -1 +1 @@
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format("svg");font-weight:400;font-style:normal}.vue-tree-icon[data-v-713bd170]{font-family:icomoon!important;speak:none;font-style:normal;font-weight:400;font-variant:normal;text-transform:none;line-height:1;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.vue-tree-icon.item-icon[data-v-713bd170]{margin-right:4px}.vue-tree-icon.item-icon[data-v-713bd170]:hover{color:inherit}.vue-tree-icon[data-v-713bd170]:hover{color:blue}.icon-file[data-v-713bd170]:before{content:"\\E906"}.icon-folder[data-v-713bd170]:before{content:"\\E907"}.icon-caret-down[data-v-713bd170]:before{content:"\\E900"}.icon-caret-right[data-v-713bd170]:before{content:"\\E901"}.icon-edit[data-v-713bd170]:before{content:"\\E902"}.icon-folder-plus-e[data-v-713bd170]:before{content:"\\E903"}.icon-plus[data-v-713bd170]:before{content:"\\E904"}.icon-trash[data-v-713bd170]:before{content:"\\E905"}.border[data-v-713bd170]{height:5px}.border.up[data-v-713bd170]{margin-top:-5px}.border.bottom[data-v-713bd170],.border.up[data-v-713bd170]{background-color:transparent}.border.active[data-v-713bd170]{border-bottom:3px 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i=t(13),M=t(14),n=null;e.default={data:function(){return{isHover:!1,editable:!1,isDragEnterUp:!1,isDragEnterBottom:!1,isDragEnterNode:!1,expanded:!0}},props:{model:{type:Object},defaultLeafNodeName:{type:String,default:"New leaf node"},defaultTreeNodeName:{type:String,default:"New tree node"}},computed:{itemIconClass:function(){return this.model.isLeaf?"icon-file":"icon-folder"},caretClass:function(){return this.expanded?"icon-caret-down":"icon-caret-right"},isFolder:function(){return this.model.children&&this.model.children.length}},mounted:function(){var A=this;(0,M.addHandler)(window,"keyup",function(e){13===e.keyCode&&A.editable&&(A.editable=!1)})},beforeDestroy:function(){(0,M.removeHandler)(window,"keyup")},methods:{updateName:function(A){this.model.changeName(A.target.value)},delNode:function(){var A=this;window.confirm("Are you sure?")&&A.model.remove()},setEditable:function(){var A=this;this.editable=!0,this.$nextTick(function(){A.$refs.nodeInput.focus()})},setUnEditable:function(){this.editable=!1},toggle:function(){this.isFolder&&(this.expanded=!this.expanded)},mouseOver:function(A){this.isHover=!0},mouseOut:function(A){this.isHover=!1},click:function(){for(var A=this.$parent,e=this.model;"root"!==A._props.model.name;)A=A.$parent;A.$emit("click",e)},addChild:function(A){var e=A?this.defaultLeafNodeName:this.defaultTreeNodeName;this.expanded=!0;var t=new i.TreeNode({name:e,isLeaf:A});this.model.addChildren(t,!0)},dragStart:function(A){return!this.model.dragDisabled&&(n=this,A.dataTransfer.setData("data","data"),A.dataTransfer.effectAllowed="move",!0)},dragEnd:function(A){n=null},dragOver:function(A){return A.preventDefault(),!0},dragEnter:function(A){n&&(this.model.isLeaf||(this.isDragEnterNode=!0))},dragLeave:function(A){this.isDragEnterNode=!1},drop:function(A){n&&(n.model.moveInto(this.model),this.isDragEnterNode=!1)},dragEnterUp:function(){n&&(this.isDragEnterUp=!0)},dragOverUp:function(A){return A.preventDefault(),!0},dragLeaveUp:function(){n&&(this.isDragEnterUp=!1)},dropUp:function(){n&&(n.model.insertBefore(this.model),this.isDragEnterUp=!1)},dragEnterBottom:function(){n&&(this.isDragEnterBottom=!0)},dragOverBottom:function(A){return A.preventDefault(),!0},dragLeaveBottom:function(){n&&(this.isDragEnterBottom=!1)},dropBottom:function(){n&&(n.model.insertAfter(this.model),this.isDragEnterBottom=!1)}},beforeCreate:function(){this.$options.components.item=t(1)}}},function(A,e){"use strict";function t(A){return this.root=new M({name:"root",isLeaf:!1,id:0}),this.initNode(this.root,A),this.root}var i=1,M=function(A){var e=A.id,t=A.isLeaf;this.id="undefined"==typeof e?"new"+i++:e,this.parent=null,this.children=null,this.isLeaf=!!t;for(var M in A)"id"!==M&&"children"!==M&&"isLeaf"!==M&&(this[M]=A[M])};M.prototype.changeName=function(A){this.name=A},M.prototype.addChildren=function(A,e){if(this.children||(this.children=[]),Array.isArray(A)){for(var t=0,i=A.length;t<i;t++){var M=A[t];M.parent=this,M.pid=this.id}this.children.concat(A)}else{var n=A;n.parent=this,n.pid=this.id,this.children.push(n)}},M.prototype.remove=function(){var A=this.parent,e=A.findChildIndex(this);A.children.splice(e,1)},M.prototype._removeChild=function(A){for(var e=0,t=this.children.length;e<t;e++)if(this.children[e]===A){this.children.splice(e,1);break}},M.prototype.isTargetChild=function(A){for(var e=A.parent;e;){if(e===this)return!0;e=e.parent}return!1},M.prototype.moveInto=function(A){"root"!==this.name&&this!==A&&(this.isTargetChild(A)||A.isLeaf||(this.parent._removeChild(this),this.parent=A,this.pid=A.id,A.children||(A.children=[]),A.children.unshift(this)))},M.prototype.findChildIndex=function(A){for(var e,t=0,i=this.children.length;t<i;t++)if(this.children[t]===A){e=t;break}return e},M.prototype._beforeInsert=function(A){return"root"!==this.name&&this!==A&&(!this.isTargetChild(A)&&(this.parent._removeChild(this),this.parent=A.parent,this.pid=A.parent.id,!0))},M.prototype.insertBefore=function(A){if(this._beforeInsert(A)){var e=A.parent.findChildIndex(A);A.parent.children.splice(e,0,this)}},M.prototype.insertAfter=function(A){if(this._beforeInsert(A)){var e=A.parent.findChildIndex(A);A.parent.children.splice(e+1,0,this)}},t.prototype.initNode=function(A,e){for(var t=0,i=e.length;t<i;t++){var n=e[t],o=new M(n);n.children&&n.children.length>0&&this.initNode(o,n.children),A.addChildren(o)}},e.Tree=t,e.TreeNode=M},function(A,e){"use strict";var t;e.addHandler=function(A,e,i){t=i,A.addEventListener?A.addEventListener(e,i,!1):A.attachEvent?A.attachEvent("on"+e,i):A["on"+e]=i},e.removeHandler=function(A,e){A.removeEventListener?A.removeEventListener(e,t,!1):A.detachEvent?A.detachEvent("on"+e,t):A["on"+e]=null}},function(A,e){A.exports={render:function(){var A=this,e=A.$createElement,t=A._self._c||e;return t("div",["root"!==A.model.name?t("div",[t("div",{staticClass:"border up",class:{active:A.isDragEnterUp},on:{drop:A.dropUp,dragenter:A.dragEnterUp,dragover:A.dragOverUp,dragleave:A.dragLeaveUp}}),A._v(" "),t("div",{staticClass:"tree-node",class:{active:A.isDragEnterNode},attrs:{id:A.model.id,draggable:!A.model.dragDisabled},on:{dragstart:A.dragStart,dragover:A.dragOver,dragenter:A.dragEnter,dragleave:A.dragLeave,drop:A.drop,dragend:A.dragEnd,mouseover:A.mouseOver,mouseout:A.mouseOut,click:function(e){return e.stopPropagation(),A.click(e)}}},[A.model.children&&A.model.children.length>0?t("span",{staticClass:"caret icon is-small"},[t("i",{staticClass:"vue-tree-icon",class:A.caretClass,on:{click:function(e){return e.preventDefault(),e.stopPropagation(),A.toggle(e)}}})]):A._e(),A._v(" "),A.model.isLeaf?t("span",[A._t("leafNodeIcon",[t("i",{staticClass:"vue-tree-icon item-icon icon-file"})])],2):t("span",[A._t("treeNodeIcon",[t("i",{staticClass:"vue-tree-icon item-icon icon-folder"})])],2),A._v(" "),A.editable?t("input",{ref:"nodeInput",staticClass:"vue-tree-input",attrs:{type:"text"},domProps:{value:A.model.name},on:{input:A.updateName,blur:A.setUnEditable}}):t("div",{staticClass:"node-content"},[A._v("\n        "+A._s(A.model.name)+"\n      ")]),A._v(" "),t("div",{directives:[{name:"show",rawName:"v-show",value:A.isHover,expression:"isHover"}],staticClass:"operation"},[A.model.isLeaf?A._e():t("span",{attrs:{title:"add tree node"},on:{click:function(e){e.stopPropagation(),e.preventDefault(),A.addChild(!1)}}},[A._t("addTreeNode",[t("i",{staticClass:"vue-tree-icon icon-folder-plus-e"})])],2),A._v(" "),A.model.isLeaf?A._e():t("span",{attrs:{title:"add tree node"},on:{click:function(e){e.stopPropagation(),e.preventDefault(),A.addChild(!0)}}},[A._t("addLeafNode",[t("i",{staticClass:"vue-tree-icon icon-plus"})])],2),A._v(" "),t("span",{attrs:{title:"edit"},on:{click:function(e){return e.stopPropagation(),e.preventDefault(),A.setEditable(e)}}},[A._t("edit",[t("i",{staticClass:"vue-tree-icon icon-edit"})])],2),A._v(" "),t("span",{attrs:{title:"delete"},on:{click:function(e){return e.stopPropagation(),e.preventDefault(),A.delNode(e)}}},[A._t("edit",[t("i",{staticClass:"vue-tree-icon icon-trash"})])],2)])]),A._v(" "),A.model.children&&A.model.children.length>0&&A.expanded?t("div",{staticClass:"border bottom",class:{active:A.isDragEnterBottom},on:{drop:A.dropBottom,dragenter:A.dragEnterBottom,dragover:A.dragOverBottom,dragleave:A.dragLeaveBottom}}):A._e()]):A._e(),A._v(" "),A.isFolder?t("div",{directives:[{name:"show",rawName:"v-show",value:A.expanded,expression:"expanded"}],class:{"tree-margin":"root"!==A.model.name}},A._l(A.model.children,function(e){return t("item",{key:e.id,attrs:{"default-tree-node-name":A.defaultTreeNodeName,"default-leaf-node-name":A.defaultLeafNodeName,model:e}})})):A._e()])},staticRenderFns:[]}}])});
\ No newline at end of file
diff --git a/src/VueTreeList.vue b/src/VueTreeList.vue
index 87b7c01..9caadfb 100644
--- a/src/VueTreeList.vue
+++ b/src/VueTreeList.vue
@@ -306,10 +306,10 @@
     content: "\e907";
   }
   .icon-caret-down:before {
-    content: "\e900";
+    content: "\e901";
   }
   .icon-caret-right:before {
-    content: "\e901";
+    content: "\e900";
   }
   .icon-edit:before {
     content: "\e902";