diff --git a/README.md b/README.md
index 3897f35..8059892 100644
--- a/README.md
+++ b/README.md
@@ -7,10 +7,12 @@ A module for better table in Quill, more useful features are supported. There is
 # Planning to
 <ul>
   <li>
-    <p>Supporting headers in table cell. (Already done in v1.1.9)</p>
+    <p>Supporting headers in table cell.(cancelled)</p>
+    <p>(Already done in v1.1.9, but overwrited quill built-in header blot, maybe this is a bad idea, so I cancel this feature in v1.1.13. This feature may be an optional feature in another module.)</p>
   </li>
   <li>
-    <p>Supporting un/ordered list in table cell.</p>
+    <p>Supporting un/ordered list in table cell.(cancelled)</p>
+    <p>To implement this, it will do harm to quill built-in blot. This feature may be an optional feature in another module.</p>
   </li>
   <li>
     <p>UI optimization(icons, selected areas...).</p>
diff --git a/dist/demo/demo1.js b/dist/demo/demo1.js
index 5a56e33..4f33d88 100644
--- a/dist/demo/demo1.js
+++ b/dist/demo/demo1.js
@@ -73,7 +73,7 @@ return /******/ (function(modules) { // webpackBootstrap
 /******/
 /******/ 	var hotApplyOnUpdate = true;
 /******/ 	// eslint-disable-next-line no-unused-vars
-/******/ 	var hotCurrentHash = "7eea064f0aba78ebf4ab";
+/******/ 	var hotCurrentHash = "16dafd8763b8395da6a4";
 /******/ 	var hotRequestTimeout = 10000;
 /******/ 	var hotCurrentModuleData = {};
 /******/ 	var hotCurrentChildModule;
@@ -2648,8 +2648,7 @@ class quill_better_table_BetterTable extends Module {
     external_commonjs_quill_commonjs2_quill_amd_quill_root_Quill_default.a.register(table_TableContainer, true);
     external_commonjs_quill_commonjs2_quill_amd_quill_root_Quill_default.a.register(table_TableViewWrapper, true);
     external_commonjs_quill_commonjs2_quill_amd_quill_root_Quill_default.a.register(table_TableViewWrapper, true); // register customized Header，overwriting quill built-in Header
-
-    external_commonjs_quill_commonjs2_quill_amd_quill_root_Quill_default.a.register('formats/header', header, true);
+    // Quill.register('formats/header', Header, true);
   }
 
   constructor(quill, options) {
@@ -2736,8 +2735,8 @@ class quill_better_table_BetterTable extends Module {
 
     quill.clipboard.addMatcher('td', matchTableCell);
     quill.clipboard.addMatcher('th', matchTableHeader);
-    quill.clipboard.addMatcher('table', matchTable);
-    quill.clipboard.addMatcher('h1, h2, h3, h4, h5, h6', matchHeader); // remove matcher for tr tag
+    quill.clipboard.addMatcher('table', matchTable); // quill.clipboard.addMatcher('h1, h2, h3, h4, h5, h6', matchHeader)
+    // remove matcher for tr tag
 
     quill.clipboard.matchers = quill.clipboard.matchers.filter(matcher => {
       return matcher[0] !== 'tr';
diff --git a/dist/quill-better-table.js b/dist/quill-better-table.js
index c080ddd..e96cf48 100644
--- a/dist/quill-better-table.js
+++ b/dist/quill-better-table.js
@@ -73,7 +73,7 @@ return /******/ (function(modules) { // webpackBootstrap
 /******/
 /******/ 	var hotApplyOnUpdate = true;
 /******/ 	// eslint-disable-next-line no-unused-vars
-/******/ 	var hotCurrentHash = "7eea064f0aba78ebf4ab";
+/******/ 	var hotCurrentHash = "16dafd8763b8395da6a4";
 /******/ 	var hotRequestTimeout = 10000;
 /******/ 	var hotCurrentModuleData = {};
 /******/ 	var hotCurrentChildModule;
@@ -2648,8 +2648,7 @@ class quill_better_table_BetterTable extends Module {
     external_commonjs_quill_commonjs2_quill_amd_quill_root_Quill_default.a.register(table_TableContainer, true);
     external_commonjs_quill_commonjs2_quill_amd_quill_root_Quill_default.a.register(table_TableViewWrapper, true);
     external_commonjs_quill_commonjs2_quill_amd_quill_root_Quill_default.a.register(table_TableViewWrapper, true); // register customized Header，overwriting quill built-in Header
-
-    external_commonjs_quill_commonjs2_quill_amd_quill_root_Quill_default.a.register('formats/header', header, true);
+    // Quill.register('formats/header', Header, true);
   }
 
   constructor(quill, options) {
@@ -2736,8 +2735,8 @@ class quill_better_table_BetterTable extends Module {
 
     quill.clipboard.addMatcher('td', matchTableCell);
     quill.clipboard.addMatcher('th', matchTableHeader);
-    quill.clipboard.addMatcher('table', matchTable);
-    quill.clipboard.addMatcher('h1, h2, h3, h4, h5, h6', matchHeader); // remove matcher for tr tag
+    quill.clipboard.addMatcher('table', matchTable); // quill.clipboard.addMatcher('h1, h2, h3, h4, h5, h6', matchHeader)
+    // remove matcher for tr tag
 
     quill.clipboard.matchers = quill.clipboard.matchers.filter(matcher => {
       return matcher[0] !== 'tr';
diff --git a/dist/quill-better-table.min.js b/dist/quill-better-table.min.js
index 7d122e3..a46fa11 100644
--- a/dist/quill-better-table.min.js
+++ b/dist/quill-better-table.min.js
@@ -1 +1 @@
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this.domNode.hasAttribute("data-row")&&(e.row=this.domNode.getAttribute("data-row")),q.reduce((e,t)=>(this.domNode.hasAttribute(t)&&(e[t]=this.domNode.getAttribute(t)),e),e)}toggleAttribute(e,t){t?this.domNode.setAttribute(e,t):this.domNode.removeAttribute(e)}formatChildren(e,t){this.children.forEach(o=>{o.format(e,t)})}format(e,t){q.indexOf(e)>-1?(this.toggleAttribute(e,t),this.formatChildren(e,t)):["row"].indexOf(e)>-1?(this.toggleAttribute("data-".concat(e),t),this.formatChildren(e,t)):super.format(e,t)}optimize(e){const t=this.domNode.getAttribute("data-row");!this.statics.requiredContainer||this.parent instanceof this.statics.requiredContainer||this.wrap(this.statics.requiredContainer.blotName,{row:t}),super.optimize(e)}row(){return this.parent}rowOffset(){return this.row()?this.row().rowOffset():-1}table(){return this.row()&&this.row().table()}}A.blotName="table",A.tagName="TD";class S extends w{checkMerge(){if(super.checkMerge()&&null!=this.next.children.head){const 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0;const[r]=this.descendants(O),[i]=this.descendants(R),s=this.descendants(B);let a=[],c=[],d=[];if(null==r||null==r.children.head)return;this.descendants(A).forEach(t=>{const r=l(t.domNode.getBoundingClientRect(),n);o?Math.abs(r.x1-e.x1)<E?a.push(t):e.x1-r.x>E&&e.x1-r.x1<-E&&c.push(t):Math.abs(r.x-e.x)<E?a.push(t):e.x-r.x>E&&e.x-r.x1<-E&&c.push(t)}),a.forEach(e=>{const t=o?e.next:e,n=k(),r=e.parent,i=r.formats().row,l=e.formats(),s=this.scroll.create(A.blotName,Object.assign({},v,{row:i,rowspan:l.rowspan})),a=this.scroll.create(T.blotName,{row:i,cell:n,rowspan:l.rowspan});s.appendChild(a),t?r.insertBefore(s,t):r.appendChild(s),d.push(s)});const u=this.scroll.create(B.blotName,!0);let h=o?s[t].next:s[t];return h?i.insertBefore(u,h):i.appendChild(u),c.forEach(e=>{const t=e.formats().colspan;e.format("colspan",parseInt(t,10)+1),d.push(e)}),d.sort((e,t)=>{return e.domNode.getBoundingClientRect().y-t.domNode.getBoundingClientRect().y}),this.updateTableWidth(),d}insertRow(e,t,o){const[n]=this.descendants(O);if(null==n||null==n.children.head)return;const r=this.descendants(A),i=I(),s=this.scroll.create(S.blotName,{row:i});let a=[],c=[],d=[];r.forEach(n=>{const r=l(n.domNode.getBoundingClientRect(),o);t?Math.abs(r.y1-e.y1)<E?a.push(n):e.y1-r.y>E&&e.y1-r.y1<-E&&c.push(n):Math.abs(r.y-e.y)<E?a.push(n):e.y-r.y>E&&e.y-r.y1<-E&&c.push(n)});const u=(e,t)=>{return e.domNode.getBoundingClientRect().x-t.domNode.getBoundingClientRect().x};a.sort(u),a.forEach(e=>{const t=k(),o=e.formats(),n=this.scroll.create(A.blotName,Object.assign({},v,{row:i,colspan:o.colspan})),r=this.scroll.create(T.blotName,{row:i,cell:t,colspan:o.colspan}),l=this.scroll.create(g.blotName);r.appendChild(l),n.appendChild(r),s.appendChild(n),d.push(n)}),c.forEach(e=>{const t=parseInt(e.formats().rowspan,10);e.format("rowspan",t+1),d.push(e)});const h=this.rows().find(n=>{let r=l(n.domNode.getBoundingClientRect(),o);return t?Math.abs(r.y-e.y-e.height)<E:Math.abs(r.y-e.y)<E});return n.insertBefore(s,h),d.sort(u),d}mergeCells(e,t,o,n,r){const i=t.reduce((e,t,r)=>(0!==r?(e&&t.moveChildren(e),t.remove()):(t.format("colspan",n),t.format("rowspan",o),e=t),e),null);let l=i.domNode.getAttribute("data-row"),s=i.children.head.domNode.getAttribute("data-cell");return i.children.forEach(e=>{e.format("cell",s),e.format("row",l),e.format("colspan",n),e.format("rowspan",o)}),i}unmergeCells(e,t){let o={},n=1,r=1;e.forEach(e=>{if(o=e.formats(),n=o.rowspan,(r=o.colspan)>1){let t=e.next,o=e.row();e.format("colspan",1);for(let e=r;e>1;e--)this.insertCell(o,t)}if(n>1){let o=n,i=e.row().next;for(;o>1;){let n=i.children.reduce((o,n)=>{let r=l(e.domNode.getBoundingClientRect(),t),i=l(n.domNode.getBoundingClientRect(),t);return Math.abs(r.x1-i.x)<E&&(o=n),o},null);for(let e=r;e>0;e--)this.insertCell(i,n);o-=1,i=i.next}e.format("rowspan",1)}})}rows(){const e=this.children.tail;return null==e?[]:e.children.map(e=>e)}}L.blotName="table-container",L.className="quill-better-table",L.tagName="TABLE";class M extends w{constructor(e,t){super(e,t);const o=r.a.find(e.domNode.parentNode);t.addEventListener("scroll",e=>{const t=o.getModule("better-table");t.columnTool&&(t.columnTool.domNode.scrollLeft=e.target.scrollLeft),t.tableSelection&&t.tableSelection.selectedTds.length>0&&t.tableSelection.repositionHelpLines()},!1)}}function I(){const e=Math.random().toString(36).slice(2,6);return"row-".concat(e)}function k(){const e=Math.random().toString(36).slice(2,6);return"cell-".concat(e)}M.blotName="table-view",M.className="quill-better-table-wrapper",M.tagName="DIV",M.allowedChildren=[L],L.requiredContainer=M,L.allowedChildren=[O,R],O.requiredContainer=L,O.allowedChildren=[S],S.requiredContainer=O,S.allowedChildren=[A],A.requiredContainer=S,A.allowedChildren=[T,m],T.requiredContainer=A,R.allowedChildren=[B],R.requiredContainer=L,B.requiredContainer=R;const H="#35A7ED",D=["left","right","top","bottom"],j=2;class _{constructor(e,t,o){if(!e)return null;this.table=e,this.quill=t,this.options=o,this.boundary={},this.selectedTds=[],this.dragging=!1,this.selectingHandler=this.mouseDownHandler.bind(this),this.clearSelectionHanler=this.clearSelection.bind(this),this.helpLinesInitial(),this.quill.root.addEventListener("mousedown",this.selectingHandler,!1),this.quill.on("text-change",this.clearSelectionHanler)}helpLinesInitial(){let e=this.quill.root.parentNode;D.forEach(t=>{this[t]=document.createElement("div"),this[t].classList.add("qlbt-selection-line"),i(this[t],{position:"absolute",display:"none","background-color":H}),e.appendChild(this[t])})}mouseDownHandler(e){if(0!==e.button||!e.target.closest(".quill-better-table"))return;this.quill.root.addEventListener("mousemove",r,!1),this.quill.root.addEventListener("mouseup",function e(o){t.quill.root.removeEventListener("mousemove",r,!1);t.quill.root.removeEventListener("mouseup",e,!1);t.dragging=!1},!1);const t=this,o=e.target.closest("td[data-row]"),n=l(o.getBoundingClientRect(),this.quill.root.parentNode);function r(e){if(0!==e.button||!e.target.closest(".quill-better-table"))return;const r=e.target.closest("td[data-row]"),i=l(r.getBoundingClientRect(),t.quill.root.parentNode);t.boundary=U(n,i),t.correctBoundary(),t.selectedTds=t.computeSelectedTds(),t.repositionHelpLines(),o!==r&&t.quill.blur()}this.dragging=!0,this.boundary=U(n,n),this.correctBoundary(),this.selectedTds=this.computeSelectedTds(),this.repositionHelpLines()}correctBoundary(){r.a.find(this.table).descendants(A).forEach(e=>{let{x:t,y:o,width:n,height:r}=l(e.domNode.getBoundingClientRect(),this.quill.root.parentNode);(t+j>=this.boundary.x&&t+j<=this.boundary.x1||t-j+n>=this.boundary.x&&t-j+n<=this.boundary.x1)&&(o+j>=this.boundary.y&&o+j<=this.boundary.y1||o-j+r>=this.boundary.y&&o-j+r<=this.boundary.y1)&&(this.boundary=U(this.boundary,{x:t,y:o,width:n,height:r}))})}computeSelectedTds(){return r.a.find(this.table).descendants(A).reduce((e,t)=>{let{x:o,y:n,width:r,height:i}=l(t.domNode.getBoundingClientRect(),this.quill.root.parentNode);return o+j>=this.boundary.x&&o-j+r<=this.boundary.x1&&n+j>=this.boundary.y&&n-j+i<=this.boundary.y1&&e.push(t),e},[])}repositionHelpLines(){const e=this.table.parentNode.scrollLeft;i(this.left,{display:"block",left:"".concat(this.boundary.x-e-1,"px"),top:"".concat(this.boundary.y,"px"),height:"".concat(this.boundary.height+1,"px"),width:"1px"}),i(this.right,{display:"block",left:"".concat(this.boundary.x1-e,"px"),top:"".concat(this.boundary.y,"px"),height:"".concat(this.boundary.height+1,"px"),width:"1px"}),i(this.top,{display:"block",left:"".concat(this.boundary.x-1-e,"px"),top:"".concat(this.boundary.y,"px"),width:"".concat(this.boundary.width+1,"px"),height:"1px"}),i(this.bottom,{display:"block",left:"".concat(this.boundary.x-1-e,"px"),top:"".concat(this.boundary.y1+1,"px"),width:"".concat(this.boundary.width+1,"px"),height:"1px"})}refreshHelpLinesPosition(){const e=l(this.selectedTds[0].domNode.getBoundingClientRect(),this.quill.root.parentNode),t=l(this.selectedTds[this.selectedTds.length-1].domNode.getBoundingClientRect(),this.quill.root.parentNode);this.boundary=U(e,t),this.repositionHelpLines()}destroy(){return D.forEach(e=>{this[e].remove(),this[e]=null}),this.quill.root.removeEventListener("mousedown",this.selectingHandler,!1),this.quill.off("text-change",this.clearSelectionHanler),null}setSelection(e,t){this.boundary=U(l(e,this.quill.root.parentNode),l(t,this.quill.root.parentNode)),this.correctBoundary(),this.selectedTds=this.computeSelectedTds(),this.repositionHelpLines()}clearSelection(){this.boundary={},this.selectedTds=[],D.forEach(e=>{this[e]&&i(this[e],{display:"none"})})}}function U(e,t){let o=Math.min(e.x,t.x,e.x+e.width-1,t.x+t.width-1),n=Math.max(e.x,t.x,e.x+e.width-1,t.x+t.width-1),r=Math.min(e.y,t.y,e.y+e.height-1,t.y+t.height-1),i=Math.max(e.y,t.y,e.y+e.height-1,t.y+t.height-1);return{x:o,x1:n,y:r,y1:i,width:n-o,height:i-r}}const P=150,W=200,z={insertColumnRight:{text:"Insert column right",handler(){const e=r.a.find(this.table);let t=X(this.columnToolCells,this.boundary,(e,t)=>Math.abs(e.x+e.width-t.x1)<=5,this.quill.root.parentNode);const o=e.insertColumn(this.boundary,t,!0,this.quill.root.parentNode);this.tableColumnTool.updateToolCells(),this.quill.update(r.a.sources.USER),this.quill.setSelection(this.quill.getIndex(o[0]),0,r.a.sources.SILENT),this.tableSelection.setSelection(o[0].domNode.getBoundingClientRect(),o[0].domNode.getBoundingClientRect())}},insertColumnLeft:{text:"Insert column left",handler(){const e=r.a.find(this.table);let t=X(this.columnToolCells,this.boundary,(e,t)=>Math.abs(e.x-t.x)<=5,this.quill.root.parentNode);const o=e.insertColumn(this.boundary,t,!1,this.quill.root.parentNode);this.tableColumnTool.updateToolCells(),this.quill.update(r.a.sources.USER),this.quill.setSelection(this.quill.getIndex(o[0]),0,r.a.sources.SILENT),this.tableSelection.setSelection(o[0].domNode.getBoundingClientRect(),o[0].domNode.getBoundingClientRect())}},insertRowUp:{text:"Insert row up",handler(){const e=r.a.find(this.table).insertRow(this.boundary,!1,this.quill.root.parentNode);this.quill.update(r.a.sources.USER),this.quill.setSelection(this.quill.getIndex(e[0]),0,r.a.sources.SILENT),this.tableSelection.setSelection(e[0].domNode.getBoundingClientRect(),e[0].domNode.getBoundingClientRect())}},insertRowDown:{text:"Insert row down",handler(){const e=r.a.find(this.table).insertRow(this.boundary,!0,this.quill.root.parentNode);this.quill.update(r.a.sources.USER),this.quill.setSelection(this.quill.getIndex(e[0]),0,r.a.sources.SILENT),this.tableSelection.setSelection(e[0].domNode.getBoundingClientRect(),e[0].domNode.getBoundingClientRect())}},mergeCells:{text:"Merge selected cells",handler(){const e=r.a.find(this.table),t=e.rows().reduce((e,t)=>{let o=l(t.domNode.getBoundingClientRect(),this.quill.root.parentNode);return o.y>this.boundary.y-5&&o.y+o.height<this.boundary.y+this.boundary.height+5&&(e+=1),e},0),o=this.columnToolCells.reduce((e,t)=>{let o=l(t.getBoundingClientRect(),this.quill.root.parentNode);return o.x>this.boundary.x-5&&o.x+o.width<this.boundary.x+this.boundary.width+5&&(e+=1),e},0),n=e.mergeCells(this.boundary,this.selectedTds,t,o,this.quill.root.parentNode);this.quill.update(r.a.sources.USER),this.tableSelection.setSelection(n.domNode.getBoundingClientRect(),n.domNode.getBoundingClientRect())}},unmergeCells:{text:"Unmerge cells",handler(){r.a.find(this.table).unmergeCells(this.selectedTds,this.quill.root.parentNode),this.quill.update(r.a.sources.USER),this.tableSelection.clearSelection()}},deleteColumn:{text:"Delete selected columns",handler(){const e=r.a.find(this.table);let t=function(e,t,o,n){return e.reduce((r,i)=>{let s=l(i.getBoundingClientRect(),n);return o(s,t)&&r.push(e.indexOf(i)),r},[])}(this.columnToolCells,this.boundary,(e,t)=>e.x+5>t.x&&e.x+e.width-5<t.x1,this.quill.root.parentNode);e.deleteColumns(this.boundary,t,this.quill.root.parentNode)||(this.tableColumnTool.updateToolCells(),this.quill.update(r.a.sources.USER),this.tableSelection.clearSelection())}},deleteRow:{text:"Delete selected rows",handler(){r.a.find(this.table).deleteRow(this.boundary,this.quill.root.parentNode),this.quill.update(r.a.sources.USER),this.tableSelection.clearSelection()}},deleteTable:{text:"Delete table",handler(){const e=this.quill.getModule("better-table"),t=r.a.find(this.table);e.hideTableTools(),t.remove(),this.quill.update(r.a.sources.USER)}}};class G{constructor(e,t,o){const 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e=this.quill.root.parentNode;D.forEach(t=>{this[t]=document.createElement("div"),this[t].classList.add("qlbt-selection-line"),i(this[t],{position:"absolute",display:"none","background-color":H}),e.appendChild(this[t])})}mouseDownHandler(e){if(0!==e.button||!e.target.closest(".quill-better-table"))return;this.quill.root.addEventListener("mousemove",r,!1),this.quill.root.addEventListener("mouseup",function e(o){t.quill.root.removeEventListener("mousemove",r,!1);t.quill.root.removeEventListener("mouseup",e,!1);t.dragging=!1},!1);const t=this,o=e.target.closest("td[data-row]"),n=l(o.getBoundingClientRect(),this.quill.root.parentNode);function r(e){if(0!==e.button||!e.target.closest(".quill-better-table"))return;const r=e.target.closest("td[data-row]"),i=l(r.getBoundingClientRect(),t.quill.root.parentNode);t.boundary=U(n,i),t.correctBoundary(),t.selectedTds=t.computeSelectedTds(),t.repositionHelpLines(),o!==r&&t.quill.blur()}this.dragging=!0,this.boundary=U(n,n),this.correctBoundary(),this.selectedTds=this.computeSelectedTds(),this.repositionHelpLines()}correctBoundary(){r.a.find(this.table).descendants(A).forEach(e=>{let{x:t,y:o,width:n,height:r}=l(e.domNode.getBoundingClientRect(),this.quill.root.parentNode);(t+j>=this.boundary.x&&t+j<=this.boundary.x1||t-j+n>=this.boundary.x&&t-j+n<=this.boundary.x1)&&(o+j>=this.boundary.y&&o+j<=this.boundary.y1||o-j+r>=this.boundary.y&&o-j+r<=this.boundary.y1)&&(this.boundary=U(this.boundary,{x:t,y:o,width:n,height:r}))})}computeSelectedTds(){return r.a.find(this.table).descendants(A).reduce((e,t)=>{let{x:o,y:n,width:r,height:i}=l(t.domNode.getBoundingClientRect(),this.quill.root.parentNode);return o+j>=this.boundary.x&&o-j+r<=this.boundary.x1&&n+j>=this.boundary.y&&n-j+i<=this.boundary.y1&&e.push(t),e},[])}repositionHelpLines(){const e=this.table.parentNode.scrollLeft;i(this.left,{display:"block",left:"".concat(this.boundary.x-e-1,"px"),top:"".concat(this.boundary.y,"px"),height:"".concat(this.boundary.height+1,"px"),width:"1px"}),i(this.right,{display:"block",left:"".concat(this.boundary.x1-e,"px"),top:"".concat(this.boundary.y,"px"),height:"".concat(this.boundary.height+1,"px"),width:"1px"}),i(this.top,{display:"block",left:"".concat(this.boundary.x-1-e,"px"),top:"".concat(this.boundary.y,"px"),width:"".concat(this.boundary.width+1,"px"),height:"1px"}),i(this.bottom,{display:"block",left:"".concat(this.boundary.x-1-e,"px"),top:"".concat(this.boundary.y1+1,"px"),width:"".concat(this.boundary.width+1,"px"),height:"1px"})}refreshHelpLinesPosition(){const e=l(this.selectedTds[0].domNode.getBoundingClientRect(),this.quill.root.parentNode),t=l(this.selectedTds[this.selectedTds.length-1].domNode.getBoundingClientRect(),this.quill.root.parentNode);this.boundary=U(e,t),this.repositionHelpLines()}destroy(){return D.forEach(e=>{this[e].remove(),this[e]=null}),this.quill.root.removeEventListener("mousedown",this.selectingHandler,!1),this.quill.off("text-change",this.clearSelectionHanler),null}setSelection(e,t){this.boundary=U(l(e,this.quill.root.parentNode),l(t,this.quill.root.parentNode)),this.correctBoundary(),this.selectedTds=this.computeSelectedTds(),this.repositionHelpLines()}clearSelection(){this.boundary={},this.selectedTds=[],D.forEach(e=>{this[e]&&i(this[e],{display:"none"})})}}function U(e,t){let o=Math.min(e.x,t.x,e.x+e.width-1,t.x+t.width-1),n=Math.max(e.x,t.x,e.x+e.width-1,t.x+t.width-1),r=Math.min(e.y,t.y,e.y+e.height-1,t.y+t.height-1),i=Math.max(e.y,t.y,e.y+e.height-1,t.y+t.height-1);return{x:o,x1:n,y:r,y1:i,width:n-o,height:i-r}}const P=150,W=200,z={insertColumnRight:{text:"Insert column right",handler(){const e=r.a.find(this.table);let t=X(this.columnToolCells,this.boundary,(e,t)=>Math.abs(e.x+e.width-t.x1)<=5,this.quill.root.parentNode);const o=e.insertColumn(this.boundary,t,!0,this.quill.root.parentNode);this.tableColumnTool.updateToolCells(),this.quill.update(r.a.sources.USER),this.quill.setSelection(this.quill.getIndex(o[0]),0,r.a.sources.SILENT),this.tableSelection.setSelection(o[0].domNode.getBoundingClientRect(),o[0].domNode.getBoundingClientRect())}},insertColumnLeft:{text:"Insert column left",handler(){const e=r.a.find(this.table);let t=X(this.columnToolCells,this.boundary,(e,t)=>Math.abs(e.x-t.x)<=5,this.quill.root.parentNode);const o=e.insertColumn(this.boundary,t,!1,this.quill.root.parentNode);this.tableColumnTool.updateToolCells(),this.quill.update(r.a.sources.USER),this.quill.setSelection(this.quill.getIndex(o[0]),0,r.a.sources.SILENT),this.tableSelection.setSelection(o[0].domNode.getBoundingClientRect(),o[0].domNode.getBoundingClientRect())}},insertRowUp:{text:"Insert row up",handler(){const e=r.a.find(this.table).insertRow(this.boundary,!1,this.quill.root.parentNode);this.quill.update(r.a.sources.USER),this.quill.setSelection(this.quill.getIndex(e[0]),0,r.a.sources.SILENT),this.tableSelection.setSelection(e[0].domNode.getBoundingClientRect(),e[0].domNode.getBoundingClientRect())}},insertRowDown:{text:"Insert row down",handler(){const e=r.a.find(this.table).insertRow(this.boundary,!0,this.quill.root.parentNode);this.quill.update(r.a.sources.USER),this.quill.setSelection(this.quill.getIndex(e[0]),0,r.a.sources.SILENT),this.tableSelection.setSelection(e[0].domNode.getBoundingClientRect(),e[0].domNode.getBoundingClientRect())}},mergeCells:{text:"Merge selected cells",handler(){const e=r.a.find(this.table),t=e.rows().reduce((e,t)=>{let o=l(t.domNode.getBoundingClientRect(),this.quill.root.parentNode);return o.y>this.boundary.y-5&&o.y+o.height<this.boundary.y+this.boundary.height+5&&(e+=1),e},0),o=this.columnToolCells.reduce((e,t)=>{let o=l(t.getBoundingClientRect(),this.quill.root.parentNode);return o.x>this.boundary.x-5&&o.x+o.width<this.boundary.x+this.boundary.width+5&&(e+=1),e},0),n=e.mergeCells(this.boundary,this.selectedTds,t,o,this.quill.root.parentNode);this.quill.update(r.a.sources.USER),this.tableSelection.setSelection(n.domNode.getBoundingClientRect(),n.domNode.getBoundingClientRect())}},unmergeCells:{text:"Unmerge cells",handler(){r.a.find(this.table).unmergeCells(this.selectedTds,this.quill.root.parentNode),this.quill.update(r.a.sources.USER),this.tableSelection.clearSelection()}},deleteColumn:{text:"Delete selected columns",handler(){const e=r.a.find(this.table);let t=function(e,t,o,n){return e.reduce((r,i)=>{let s=l(i.getBoundingClientRect(),n);return o(s,t)&&r.push(e.indexOf(i)),r},[])}(this.columnToolCells,this.boundary,(e,t)=>e.x+5>t.x&&e.x+e.width-5<t.x1,this.quill.root.parentNode);e.deleteColumns(this.boundary,t,this.quill.root.parentNode)||(this.tableColumnTool.updateToolCells(),this.quill.update(r.a.sources.USER),this.tableSelection.clearSelection())}},deleteRow:{text:"Delete selected rows",handler(){r.a.find(this.table).deleteRow(this.boundary,this.quill.root.parentNode),this.quill.update(r.a.sources.USER),this.tableSelection.clearSelection()}},deleteTable:{text:"Delete table",handler(){const e=this.quill.getModule("better-table"),t=r.a.find(this.table);e.hideTableTools(),t.remove(),this.quill.update(r.a.sources.USER)}}};class G{constructor(e,t,o){const n=t.getModule("better-table");this.tableSelection=n.tableSelection,this.table=e.table,this.quill=t,this.options=o,this.menuItems=Object.assign({},z,o.items),this.tableColumnTool=n.columnTool,this.boundary=this.tableSelection.boundary,this.selectedTds=this.tableSelection.selectedTds,this.destroyHanlder=this.destroy.bind(this),this.columnToolCells=this.tableColumnTool.colToolCells(),this.menuInitial(e),this.mount(),document.addEventListener("click",this.destroyHanlder,!1)}mount(){document.body.appendChild(this.domNode)}destroy(){return this.domNode.remove(),document.removeEventListener("click",this.destroyHanlder,!1),null}menuInitial(e){let{table:t,left:o,top:n}=e;this.domNode=document.createElement("div"),this.domNode.classList.add("qlbt-operation-menu"),i(this.domNode,{position:"absolute",left:"".concat(o,"px"),top:"".concat(n,"px"),"min-height":"".concat(P,"px"),width:"".concat(W,"px")});for(let e in this.menuItems)this.menuItems[e]&&this.domNode.appendChild(this.menuItemCreator(Object.assign({},z[e],this.menuItems[e])))}menuItemCreator(e){let{text:t,handler:o}=e;const n=document.createElement("div");return n.classList.add("qlbt-operation-menu-item"),n.innerText=t,n.addEventListener("click",o.bind(this),!1),n}}function X(e,t,o,n){return e.reduce((r,i)=>{let s=l(i.getBoundingClientRect(),n);return o(s,t)&&(r=e.indexOf(i)),r},!1)}const K=r.a.import("delta");function V(e,t,o){const n=e.parentNode,r="TABLE"===n.parentNode.tagName?n.parentNode:n.parentNode.parentNode,i=Array.from(r.querySelectorAll("tr")),l=Array.from(n.querySelectorAll("td")),a=i.indexOf(n)+1,c=l.indexOf(e)+1,d=e.getAttribute("colspan")||!1,u=e.getAttribute("rowspan")||!1;return 0===t.length()?t=(new K).insert("\n",{"table-cell-line":{row:a,cell:c,rowspan:u,colspan:d}}):(t=t.reduce((e,t)=>{if(t.insert&&"string"==typeof t.insert){const o=[];let n=t.insert,r=0;for(let e=0;e<t.insert.length;e++)"\n"===n.charAt(e)&&(0===e?o.push("\n"):(o.push(n.substring(r,e)),o.push("\n")),r=e+1);const i=n.substring(r);i&&o.push(i),o.forEach(o=>{"\n"===o?e.insert("\n",t.attributes):e.insert(o,s(t.attributes,["table","table-cell-line","header"]))})}else e.insert(t.insert,t.attributes);return e},new K)).reduce((e,t)=>{if(t.insert&&"string"==typeof t.insert&&t.insert.startsWith("\n")){let o={};t.attributes.header?o.header={row:a,cell:c,rowspan:u,colspan:d}:t.attributes["table-cell-line"]&&(o["table-cell-line"]={row:a,cell:c,rowspan:u,colspan:d}),e.insert(t.insert,Object.assign({},Object.assign({},{row:a},t.attributes.table),o,s(t.attributes,["table"])))}else e.insert(t.insert,Object.assign({},s(t.attributes,["table","table-cell-line"])));return console.log(e),e},new K)}function Y(e,t,o){const n=e.parentNode,r="TABLE"===n.parentNode.tagName?n.parentNode:n.parentNode.parentNode,i=Array.from(r.querySelectorAll("tr")),l=Array.from(n.querySelectorAll("th")),a=i.indexOf(n)+1,c=l.indexOf(e)+1,d=e.getAttribute("colspan")||!1,u=e.getAttribute("rowspan")||!1;return 0===t.length()?t=(new K).insert("\n",{"table-cell-line":{row:a,cell:c,rowspan:u,colspan:d}}):(t=t.reduce((e,t)=>{if(t.insert&&"string"==typeof t.insert){const o=[];let n=t.insert,r=0;for(let e=0;e<t.insert.length;e++)"\n"===n.charAt(e)&&(0===e?o.push("\n"):(o.push(n.substring(r,e)),o.push("\n")),r=e+1);const i=n.substring(r);i&&o.push(i),o.indexOf("\n")<0&&o.push("\n"),o.forEach(o=>{"\n"===o?e.insert("\n",{"table-cell-line":{row:a,cell:c,rowspan:u,colspan:d}}):e.insert(o,t.attributes)})}else e.insert(t.insert,t.attributes);return e},new K)).reduce((e,t)=>(t.insert&&"string"==typeof t.insert&&t.insert.startsWith("\n")?e.insert(t.insert,Object.assign({},{"table-cell-line":{row:a,cell:c,rowspan:u,colspan:d}})):e.insert(t.insert,Object.assign({},s(t.attributes,["table","table-cell-line"]))),e),new K)}function J(e,t,o){let n=new K;const r=e.querySelector("tr");if(null===r)return n;const i=Array.from(r.querySelectorAll("td")).concat(Array.from(r.querySelectorAll("th"))).reduce((e,t)=>{const o=t.getAttribute("colspan")||1;return e+=parseInt(o,10)},0),l=e.querySelectorAll("col").length;if(l===i)return t;{for(let e=0;e<i-l;e++)n.insert("\n",{"table-col":!0});if(0===l)return n.concat(t);let e=0;return t.reduce((t,o)=>(t.insert(o.insert,o.attributes),o.attributes&&o.attributes["table-col"]&&(e+=o.insert.length)===l&&(t=t.concat(n)),t),new K)}}const Q=r.a.import("core/module"),$=r.a.import("delta");class F extends Q{static register(){r.a.register(B,!0),r.a.register(R,!0),r.a.register(T,!0),r.a.register(A,!0),r.a.register(S,!0),r.a.register(O,!0),r.a.register(L,!0),r.a.register(M,!0),r.a.register(M,!0)}constructor(e,t){super(e,t),this.quill.root.addEventListener("click",o=>{const n=a(o);if(!n||n.length<=0)return;const r=n.filter(e=>e.tagName&&"TABLE"===e.tagName.toUpperCase()&&e.classList.contains("quill-better-table"))[0];if(r){if(this.table===r)return;this.table&&this.hideTableTools(),this.showTableTools(r,e,t)}else this.table&&this.hideTableTools()},!1),this.quill.root.addEventListener("contextmenu",o=>{if(!this.table)return!0;o.preventDefault();const n=a(o);if(!n||n.length<=0)return;const r=n.filter(e=>e.tagName&&"TABLE"===e.tagName.toUpperCase()&&e.classList.contains("quill-better-table"))[0],i=n.filter(e=>e.tagName&&"TR"===e.tagName.toUpperCase()&&e.getAttribute("data-row"))[0],l=n.filter(e=>e.tagName&&"TD"===e.tagName.toUpperCase()&&e.getAttribute("data-row"))[0];let s=this.tableSelection.selectedTds.map(e=>e.domNode).includes(l);(this.tableSelection.selectedTds.length<=0||!s)&&this.tableSelection.setSelection(l.getBoundingClientRect(),l.getBoundingClientRect()),this.tableOperationMenu&&(this.tableOperationMenu=this.tableOperationMenu.destroy()),r&&(this.tableOperationMenu=new G({table:r,row:i,cell:l,left:o.pageX,top:o.pageY},e,t.operationMenu))},!1);e.getModule("keyboard");e.keyboard.addBinding({key:"Backspace"},{},function(e,t){if(0===e.index||this.quill.getLength()<=1)return!0;const[o]=this.quill.getLine(e.index);if(0===t.offset){const[t]=this.quill.getLine(e.index-1);if(null!=t&&"table-cell-line"===t.statics.blotName&&"table-cell-line"!==o.statics.blotName)return!1}return!0});let o=e.keyboard.bindings.Backspace.pop();e.keyboard.bindings.Backspace.splice(0,1,o),e.clipboard.addMatcher("td",V),e.clipboard.addMatcher("th",Y),e.clipboard.addMatcher("table",J),e.clipboard.matchers=e.clipboard.matchers.filter(e=>"tr"!==e[0])}getTable(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.quill.getSelection();if(null==e)return[null,null,null,-1];const[t,o]=this.quill.getLine(e.index);if(null==t||t.statics.blotName!==T.blotName)return[null,null,null,-1];const n=t.tableCell(),r=n.row();return[r.table(),r,n,o]}insertTable(e,t){const o=this.quill.getSelection(!0);if(null==o)return;this.quill.getLeaf(o.index)[0],this.quill.getLeaf(o.index+1)[0];let n=(new $).retain(o.index);n.insert("\n"),n=new Array(t).fill("\n").reduce((e,t)=>(e.insert(t,{"table-col":!0}),e),n),n=new Array(e).fill(0).reduce(e=>{let o=I();return new Array(t).fill("\n").reduce((e,t)=>(e.insert(t,{"table-cell-line":{row:o,cell:k()}}),e),e)},n),this.quill.updateContents(n,r.a.sources.USER),this.quill.setSelection(o.index+t+1,r.a.sources.API)}showTableTools(e,t,o){this.table=e,this.columnTool=new p(e,t,o),this.tableSelection=new _(e,t,o)}hideTableTools(){this.columnTool&&this.columnTool.destroy(),this.tableSelection&&this.tableSelection.destroy(),this.tableOperationMenu&&this.tableOperationMenu.destroy(),this.columnTool=null,this.tableSelection=null,this.tableOperationMenu=null,this.table=null}}F.keyboardBindings={"table-cell-line backspace":{key:"Backspace",format:["table-cell-line"],collapsed:!0,offset:0,handler(e,t){const[o,n]=this.quill.getLine(e.index);return!(!o.prev||"table-cell-line"!==o.prev.statics.blotName)}},"table-cell-line delete":{key:"Delete",format:["table-cell-line"],collapsed:!0,suffix:/^$/,handler(){}},"table-cell-line enter":{key:"Enter",shiftKey:null,format:["table-cell-line"],handler(e,t){if(this.quill.selection&&this.quill.selection.composing)return;const o=r.a.imports.parchment.Scope;e.length>0&&this.quill.scroll.deleteAt(e.index,e.length);const n=Object.keys(t.format).reduce((e,n)=>(this.quill.scroll.query(n,o.BLOCK)&&!Array.isArray(t.format[n])&&(e[n]=t.format[n]),e),{});this.quill.insertText(e.index,"\n",n["table-cell-line"],r.a.sources.USER),this.quill.setSelection(e.index+1,r.a.sources.SILENT),this.quill.focus(),Object.keys(t.format).forEach(e=>{null==n[e]&&(Array.isArray(t.format[e])||"link"!==e&&this.quill.format(e,t.format[e],r.a.sources.USER))})}}};t.default=F}]).default});
\ No newline at end of file
diff --git a/package.json b/package.json
index 58bed19..3231555 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "quill-better-table",
-  "version": "1.1.12",
+  "version": "1.1.13",
   "description": "Module for better table in Quill, more useful features are supported.",
   "main": "dist/quill-better-table.js",
   "scripts": {