diff --git a/api/API_cn.html b/api/API_cn.html
index 22a2b5b4c66c12734e362a9c217c05ccf41ee2f7..3f8716af475a8e36ece0bbf05c972cef03c05a47 100644
--- a/api/API_cn.html
+++ b/api/API_cn.html
@@ -35,7 +35,7 @@
 				<div class="ieSuggest">浏览本网站建议您使用 Chrome、FireFox、Opera、IE9 等浏览器（只要不是 IE6 7 8 就行）, 速度会更快，画面会更炫！</div>
 				<div class="google_plus"><g:plusone></g:plusone></div>
 				<div class="header-text">
-					<h1><em>zTree v3.5.40 API 文档</em></h1><p></p>
+					<h1><em>zTree v3.5.41 API 文档</em></h1><p></p>
 					<p>all.js = core + excheck + exedit ( 不包括 exhide ); 发现错误请及时通知，谢谢。</p>
 				</div>
 				<ul class="shortcuts language" style="top:0;">
diff --git a/api/API_en.html b/api/API_en.html
index fbeeffeb2f4ecd2779c5a7dd977a4d22c06d6571..1dd5041a7b0f9069da1b70cba9dd1803a627a82f 100644
--- a/api/API_en.html
+++ b/api/API_en.html
@@ -34,7 +34,7 @@
 				<div class="ieSuggest">If you use the Chrome / FireFox / Opera / IE9 browser will be even more dazzling effect!</div>
 				<div class="google_plus"><g:plusone></g:plusone></div>
 				<div class="header-text">
-					<h1><em>zTree v3.5.40 API Document</em></h1><p></p>
+					<h1><em>zTree v3.5.41 API Document</em></h1><p></p>
 					<p>all.js = core + excheck + exedit ( without exhide ); if you found some mistakes please contact me.</p>
 				</div>
 				<ul class="shortcuts language" style="top:0;">
diff --git a/api/apiCss/jquery.ztree.core.js b/api/apiCss/jquery.ztree.core.js
index 922788c8ff87d6cb7b533cf473fb9f7c6848e8b1..9879f490372c955fa42e9633f648be2dc089e223 100644
--- a/api/apiCss/jquery.ztree.core.js
+++ b/api/apiCss/jquery.ztree.core.js
@@ -7,7 +7,7 @@
  * Licensed same as jquery - MIT License
  * http://www.opensource.org/licenses/mit-license.php
  *
- * Date: 2019-10-11
+ * Date: 2020-01-06
  */
 (function(r){var J,K,L,M,N,O,v,t={},w={},x={},P={treeId:"",treeObj:null,view:{addDiyDom:null,autoCancelSelected:!0,dblClickExpand:!0,expandSpeed:"fast",fontCss:{},nameIsHTML:!1,selectedMulti:!0,showIcon:!0,showLine:!0,showTitle:!0,txtSelectedEnable:!1},data:{key:{isParent:"isParent",children:"children",name:"name",title:"",url:"url",icon:"icon"},simpleData:{enable:!1,idKey:"id",pIdKey:"pId",rootPId:null},keep:{parent:!1,leaf:!1}},async:{enable:!1,contentType:"application/x-www-form-urlencoded",type:"post",
 dataType:"text",headers:{},xhrFields:{},url:"",autoParam:[],otherParam:[],dataFilter:null},callback:{beforeAsync:null,beforeClick:null,beforeDblClick:null,beforeRightClick:null,beforeMouseDown:null,beforeMouseUp:null,beforeExpand:null,beforeCollapse:null,beforeRemove:null,onAsyncError:null,onAsyncSuccess:null,onNodeCreated:null,onClick:null,onDblClick:null,onRightClick:null,onMouseDown:null,onMouseUp:null,onExpand:null,onCollapse:null,onRemove:null}},y=[function(a){var b=a.treeObj,c=g.event;b.bind(c.NODECREATED,
diff --git a/api/cn/setting.view.removeHoverDom.html b/api/cn/setting.view.removeHoverDom.html
index bb1a9aa297e039d9b771d15cb1176b862a7dfcca..903c30ab5bdbf07249ad46ac3988e29982350c85 100644
--- a/api/cn/setting.view.removeHoverDom.html
+++ b/api/cn/setting.view.removeHoverDom.html
@@ -18,7 +18,7 @@
 	<p>需要隐藏自定义控件的节点 JSON 数据对象</p>
 	</div>
 	<h3>setting & function 举例</h3>
-	<h4>1. 设置鼠标移到节点上，在后面显示一个按钮</h4>
+	<h4>1. 设置鼠标从节点移出时，删除由 addHoverDom 增加的按钮</h4>
 	<pre xmlns=""><code>var setting = {
 	view: {
 		addHoverDom: addHoverDom,
diff --git a/js/jquery.ztree.all.js b/js/jquery.ztree.all.js
index aa268e5e1417eebb5833667a57369f8d5113a117..9985e463c2151d7f41250b1bbc0a36cf19554565 100644
--- a/js/jquery.ztree.all.js
+++ b/js/jquery.ztree.all.js
@@ -8,7 +8,7 @@
  * Licensed same as jquery - MIT License
  * http://www.opensource.org/licenses/mit-license.php
  *
- * Date: 2019-10-11
+ * Date: 2020-01-06
  */
 (function ($) {
   var settings = {}, roots = {}, caches = {},
@@ -1993,7 +1993,7 @@
  * Licensed same as jquery - MIT License
  * http://www.opensource.org/licenses/mit-license.php
  *
- * Date: 2019-10-11
+ * Date: 2020-01-06
  */
 (function ($) {
   //default consts of excheck
@@ -2643,7 +2643,7 @@
  * Licensed same as jquery - MIT License
  * http://www.opensource.org/licenses/mit-license.php
  *
- * Date: 2019-10-11
+ * Date: 2020-01-06
  */
 (function ($) {
   //default consts of exedit
diff --git a/js/jquery.ztree.all.min.js b/js/jquery.ztree.all.min.js
index 483fe047ffc4f2bbb1f3a8fff511bb64dd65f51c..1055df3125a97c739f7983099dccb9dc04518071 100644
--- a/js/jquery.ztree.all.min.js
+++ b/js/jquery.ztree.all.min.js
@@ -8,7 +8,7 @@
  * Licensed same as jquery - MIT License
  * http://www.opensource.org/licenses/mit-license.php
  *
- * Date: 2019-10-11
+ * Date: 2020-01-06
  */
 (function(r){var J,K,L,M,N,O,v,t={},w={},x={},P={treeId:"",treeObj:null,view:{addDiyDom:null,autoCancelSelected:!0,dblClickExpand:!0,expandSpeed:"fast",fontCss:{},nameIsHTML:!1,selectedMulti:!0,showIcon:!0,showLine:!0,showTitle:!0,txtSelectedEnable:!1},data:{key:{isParent:"isParent",children:"children",name:"name",title:"",url:"url",icon:"icon"},simpleData:{enable:!1,idKey:"id",pIdKey:"pId",rootPId:null},keep:{parent:!1,leaf:!1}},async:{enable:!1,contentType:"application/x-www-form-urlencoded",type:"post",
 dataType:"text",headers:{},xhrFields:{},url:"",autoParam:[],otherParam:[],dataFilter:null},callback:{beforeAsync:null,beforeClick:null,beforeDblClick:null,beforeRightClick:null,beforeMouseDown:null,beforeMouseUp:null,beforeExpand:null,beforeCollapse:null,beforeRemove:null,onAsyncError:null,onAsyncSuccess:null,onNodeCreated:null,onClick:null,onDblClick:null,onRightClick:null,onMouseDown:null,onMouseUp:null,onExpand:null,onCollapse:null,onRemove:null}},y=[function(a){var b=a.treeObj,c=g.event;b.bind(c.NODECREATED,
@@ -83,7 +83,7 @@ a),j.setNodeLineIcos(d,a),j.setNodeFontCss(d,a))}};a.treeTools=f;e.setZTreeTools
  * Licensed same as jquery - MIT License
  * http://www.opensource.org/licenses/mit-license.php
  *
- * Date: 2019-10-11
+ * Date: 2020-01-06
  */
 (function(m){var p,q,r,o={event:{CHECK:"ztree_check"},id:{CHECK:"_check"},checkbox:{STYLE:"checkbox",DEFAULT:"chk",DISABLED:"disable",FALSE:"false",TRUE:"true",FULL:"full",PART:"part",FOCUS:"focus"},radio:{STYLE:"radio",TYPE_ALL:"all",TYPE_LEVEL:"level"}},v={check:{enable:!1,autoCheckTrigger:!1,chkStyle:o.checkbox.STYLE,nocheckInherit:!1,chkDisabledInherit:!1,radioType:o.radio.TYPE_LEVEL,chkboxType:{Y:"ps",N:"ps"}},data:{key:{checked:"checked"}},callback:{beforeCheck:null,onCheck:null}};p=function(c,
 a){if(a.chkDisabled===!0)return!1;var b=f.getSetting(c.data.treeId);if(i.apply(b.callback.beforeCheck,[b.treeId,a],!0)==!1)return!0;var d=f.nodeChecked(b,a);f.nodeChecked(b,a,!d);e.checkNodeRelation(b,a);d=n(a,h.id.CHECK,b);e.setChkClass(b,d,a);e.repairParentChkClassWithSelf(b,a);b.treeObj.trigger(h.event.CHECK,[c,b.treeId,a]);return!0};q=function(c,a){if(a.chkDisabled===!0)return!1;var b=f.getSetting(c.data.treeId),d=n(a,h.id.CHECK,b);a.check_Focus=!0;e.setChkClass(b,d,a);return!0};r=function(c,
@@ -117,7 +117,7 @@ var u=e.appendNodes;e.appendNodes=function(c,a,b,d,h,g,i){var m="";u&&(m=u.apply
  * Licensed same as jquery - MIT License
  * http://www.opensource.org/licenses/mit-license.php
  *
- * Date: 2019-10-11
+ * Date: 2020-01-06
  */
 (function(B){var I={event:{DRAG:"ztree_drag",DROP:"ztree_drop",RENAME:"ztree_rename",DRAGMOVE:"ztree_dragmove"},id:{EDIT:"_edit",INPUT:"_input",REMOVE:"_remove"},move:{TYPE_INNER:"inner",TYPE_PREV:"prev",TYPE_NEXT:"next"},node:{CURSELECTED_EDIT:"curSelectedNode_Edit",TMPTARGET_TREE:"tmpTargetzTree",TMPTARGET_NODE:"tmpTargetNode"}},v={onHoverOverNode:function(a,b){var c=i.getSetting(a.data.treeId),d=i.getRoot(c);if(d.curHoverNode!=b)v.onHoverOutNode(a);d.curHoverNode=b;e.addHoverDom(c,b)},onHoverOutNode:function(a){var a=
 i.getSetting(a.data.treeId),b=i.getRoot(a);if(b.curHoverNode&&!i.isSelectedNode(a,b.curHoverNode))e.removeTreeDom(a,b.curHoverNode),b.curHoverNode=null},onMousedownNode:function(a,b){function c(a){if(m.dragFlag==0&&Math.abs(N-a.clientX)<f.edit.drag.minMoveSize&&Math.abs(O-a.clientY)<f.edit.drag.minMoveSize)return!0;var b,c,g,j;L.css("cursor","pointer");if(m.dragFlag==0){if(k.apply(f.callback.beforeDrag,[f.treeId,n],!0)==!1)return l(a),!0;for(b=0,c=n.length;b<c;b++){if(b==0)m.dragNodeShowBefore=[];
diff --git a/js/jquery.ztree.core.js b/js/jquery.ztree.core.js
index 22cdc06d758a0210b42388cb3c55d7e2b0d5e8d7..3354cab42b5683148508ae659bc64f85a21d4015 100644
--- a/js/jquery.ztree.core.js
+++ b/js/jquery.ztree.core.js
@@ -7,7 +7,7 @@
  * Licensed same as jquery - MIT License
  * http://www.opensource.org/licenses/mit-license.php
  *
- * Date: 2019-10-11
+ * Date: 2020-01-06
  */
 (function ($) {
   var settings = {}, roots = {}, caches = {},
diff --git a/js/jquery.ztree.core.min.js b/js/jquery.ztree.core.min.js
index 922788c8ff87d6cb7b533cf473fb9f7c6848e8b1..9879f490372c955fa42e9633f648be2dc089e223 100644
--- a/js/jquery.ztree.core.min.js
+++ b/js/jquery.ztree.core.min.js
@@ -7,7 +7,7 @@
  * Licensed same as jquery - MIT License
  * http://www.opensource.org/licenses/mit-license.php
  *
- * Date: 2019-10-11
+ * Date: 2020-01-06
  */
 (function(r){var J,K,L,M,N,O,v,t={},w={},x={},P={treeId:"",treeObj:null,view:{addDiyDom:null,autoCancelSelected:!0,dblClickExpand:!0,expandSpeed:"fast",fontCss:{},nameIsHTML:!1,selectedMulti:!0,showIcon:!0,showLine:!0,showTitle:!0,txtSelectedEnable:!1},data:{key:{isParent:"isParent",children:"children",name:"name",title:"",url:"url",icon:"icon"},simpleData:{enable:!1,idKey:"id",pIdKey:"pId",rootPId:null},keep:{parent:!1,leaf:!1}},async:{enable:!1,contentType:"application/x-www-form-urlencoded",type:"post",
 dataType:"text",headers:{},xhrFields:{},url:"",autoParam:[],otherParam:[],dataFilter:null},callback:{beforeAsync:null,beforeClick:null,beforeDblClick:null,beforeRightClick:null,beforeMouseDown:null,beforeMouseUp:null,beforeExpand:null,beforeCollapse:null,beforeRemove:null,onAsyncError:null,onAsyncSuccess:null,onNodeCreated:null,onClick:null,onDblClick:null,onRightClick:null,onMouseDown:null,onMouseUp:null,onExpand:null,onCollapse:null,onRemove:null}},y=[function(a){var b=a.treeObj,c=g.event;b.bind(c.NODECREATED,
diff --git a/js/jquery.ztree.excheck.js b/js/jquery.ztree.excheck.js
index a052d2f235c3f115e22948b5aa915750d1d5dbac..081b7a81046dc3c7f6724c2b7b11d284217822dd 100644
--- a/js/jquery.ztree.excheck.js
+++ b/js/jquery.ztree.excheck.js
@@ -7,7 +7,7 @@
  * Licensed same as jquery - MIT License
  * http://www.opensource.org/licenses/mit-license.php
  *
- * Date: 2019-10-11
+ * Date: 2020-01-06
  */
 (function ($) {
   //default consts of excheck
diff --git a/js/jquery.ztree.excheck.min.js b/js/jquery.ztree.excheck.min.js
index 79b882a33628f7000d5f6a2243a414f332f12147..9c9e618906140a6b2e1e719588c28d99a2c66d5c 100644
--- a/js/jquery.ztree.excheck.min.js
+++ b/js/jquery.ztree.excheck.min.js
@@ -7,7 +7,7 @@
  * Licensed same as jquery - MIT License
  * http://www.opensource.org/licenses/mit-license.php
  *
- * Date: 2019-10-11
+ * Date: 2020-01-06
  */
 (function(m){var p,q,r,o={event:{CHECK:"ztree_check"},id:{CHECK:"_check"},checkbox:{STYLE:"checkbox",DEFAULT:"chk",DISABLED:"disable",FALSE:"false",TRUE:"true",FULL:"full",PART:"part",FOCUS:"focus"},radio:{STYLE:"radio",TYPE_ALL:"all",TYPE_LEVEL:"level"}},v={check:{enable:!1,autoCheckTrigger:!1,chkStyle:o.checkbox.STYLE,nocheckInherit:!1,chkDisabledInherit:!1,radioType:o.radio.TYPE_LEVEL,chkboxType:{Y:"ps",N:"ps"}},data:{key:{checked:"checked"}},callback:{beforeCheck:null,onCheck:null}};p=function(c,
 a){if(a.chkDisabled===!0)return!1;var b=f.getSetting(c.data.treeId);if(i.apply(b.callback.beforeCheck,[b.treeId,a],!0)==!1)return!0;var d=f.nodeChecked(b,a);f.nodeChecked(b,a,!d);e.checkNodeRelation(b,a);d=n(a,h.id.CHECK,b);e.setChkClass(b,d,a);e.repairParentChkClassWithSelf(b,a);b.treeObj.trigger(h.event.CHECK,[c,b.treeId,a]);return!0};q=function(c,a){if(a.chkDisabled===!0)return!1;var b=f.getSetting(c.data.treeId),d=n(a,h.id.CHECK,b);a.check_Focus=!0;e.setChkClass(b,d,a);return!0};r=function(c,
diff --git a/js/jquery.ztree.exedit.js b/js/jquery.ztree.exedit.js
index 098c374c265bcf423f966ce55df6faaf2fd14aad..4c66c9a18ce43863fe1bb829a3a15d1067b4c1b3 100644
--- a/js/jquery.ztree.exedit.js
+++ b/js/jquery.ztree.exedit.js
@@ -7,7 +7,7 @@
  * Licensed same as jquery - MIT License
  * http://www.opensource.org/licenses/mit-license.php
  *
- * Date: 2019-10-11
+ * Date: 2020-01-06
  */
 (function ($) {
   //default consts of exedit
diff --git a/js/jquery.ztree.exedit.min.js b/js/jquery.ztree.exedit.min.js
index b02b689c8f1fff4224889d6dca046d1264244436..e03dec6c3e5c83afc2e132ac7b6c54b4b6488f70 100644
--- a/js/jquery.ztree.exedit.min.js
+++ b/js/jquery.ztree.exedit.min.js
@@ -7,7 +7,7 @@
  * Licensed same as jquery - MIT License
  * http://www.opensource.org/licenses/mit-license.php
  *
- * Date: 2019-10-11
+ * Date: 2020-01-06
  */
 (function(B){var I={event:{DRAG:"ztree_drag",DROP:"ztree_drop",RENAME:"ztree_rename",DRAGMOVE:"ztree_dragmove"},id:{EDIT:"_edit",INPUT:"_input",REMOVE:"_remove"},move:{TYPE_INNER:"inner",TYPE_PREV:"prev",TYPE_NEXT:"next"},node:{CURSELECTED_EDIT:"curSelectedNode_Edit",TMPTARGET_TREE:"tmpTargetzTree",TMPTARGET_NODE:"tmpTargetNode"}},v={onHoverOverNode:function(a,b){var c=i.getSetting(a.data.treeId),d=i.getRoot(c);if(d.curHoverNode!=b)v.onHoverOutNode(a);d.curHoverNode=b;e.addHoverDom(c,b)},onHoverOutNode:function(a){var a=
 i.getSetting(a.data.treeId),b=i.getRoot(a);if(b.curHoverNode&&!i.isSelectedNode(a,b.curHoverNode))e.removeTreeDom(a,b.curHoverNode),b.curHoverNode=null},onMousedownNode:function(a,b){function c(a){if(m.dragFlag==0&&Math.abs(N-a.clientX)<f.edit.drag.minMoveSize&&Math.abs(O-a.clientY)<f.edit.drag.minMoveSize)return!0;var b,c,g,j;L.css("cursor","pointer");if(m.dragFlag==0){if(k.apply(f.callback.beforeDrag,[f.treeId,n],!0)==!1)return l(a),!0;for(b=0,c=n.length;b<c;b++){if(b==0)m.dragNodeShowBefore=[];
diff --git a/js/jquery.ztree.exhide.js b/js/jquery.ztree.exhide.js
index 06bde022bb0a47b8b5fd1308332a428598c820dd..30b974f351ede02a339eda7529d0cdd91d951881 100644
--- a/js/jquery.ztree.exhide.js
+++ b/js/jquery.ztree.exhide.js
@@ -7,7 +7,7 @@
  * Licensed same as jquery - MIT License
  * http://www.opensource.org/licenses/mit-license.php
  *
- * Date: 2019-10-11
+ * Date: 2020-01-06
  */
 (function ($) {
   var _setting = {
diff --git a/js/jquery.ztree.exhide.min.js b/js/jquery.ztree.exhide.min.js
index 28a1bae04af4c5c277df46b16655cb79cb42827f..43a84983fe017173d1e6fc670ae5004d81b4bae6 100644
--- a/js/jquery.ztree.exhide.min.js
+++ b/js/jquery.ztree.exhide.min.js
@@ -7,7 +7,7 @@
  * Licensed same as jquery - MIT License
  * http://www.opensource.org/licenses/mit-license.php
  *
- * Date: 2019-10-11
+ * Date: 2020-01-06
  */
 (function(j){j.extend(!0,j.fn.zTree._z,{view:{clearOldFirstNode:function(c,a){for(var b=a.getNextNode();b;){if(b.isFirstNode){b.isFirstNode=!1;e.setNodeLineIcos(c,b);break}if(b.isLastNode)break;b=b.getNextNode()}},clearOldLastNode:function(c,a,b){for(a=a.getPreNode();a;){if(a.isLastNode){a.isLastNode=!1;b&&e.setNodeLineIcos(c,a);break}if(a.isFirstNode)break;a=a.getPreNode()}},makeDOMNodeMainBefore:function(c,a,b){a=d.isHidden(a,b);c.push("<li ",a?"style='display:none;' ":"","id='",b.tId,"' class='",
 m.className.LEVEL,b.level,"' tabindex='0' hidefocus='true' treenode>")},showNode:function(c,a){d.isHidden(c,a,!1);d.initShowForExCheck(c,a);k(a,c).show()},showNodes:function(c,a,b){if(a&&a.length!=0){var f={},g,i;for(g=0,i=a.length;g<i;g++){var h=a[g];if(!f[h.parentTId]){var u=h.getParentNode();f[h.parentTId]=u===null?d.getRoot(c):h.getParentNode()}e.showNode(c,h,b)}for(var j in f)a=d.nodeChildren(c,f[j]),e.setFirstNodeForShow(c,a),e.setLastNodeForShow(c,a)}},hideNode:function(c,a){d.isHidden(c,a,
diff --git a/log v3.x.txt b/log v3.x.txt
index 910583bfe0f866539541ab922573bd85bcc1dd88..6b4b8acb8a72ac710c29a52841da8befb8a79e7f 100644
--- a/log v3.x.txt	
+++ b/log v3.x.txt	
@@ -13,6 +13,10 @@
 
 </font>
 
+
+*2020.01.06* v3.5.41
+   * [修改] 修正 API
+
 *2019.10.11* v3.5.41
    * [修改] 从 源码中 移除 个人邮箱