diff --git a/avalon.js b/avalon.js
index 7cc324c90..53928681a 100644
--- a/avalon.js
+++ b/avalon.js
@@ -1697,6 +1697,7 @@
             for (els = wrapper["getElementsByTagName"]("br"), i = 0; el = els[i++]; ) {
                 if (el.className && el.className === "msNoScope") {
                     el.parentNode.removeChild(el)
+                    i--
                 }
             }
             for (els = wrapper.all, i = 0; el = els[i++]; ) { //fix VML
@@ -1704,6 +1705,15 @@
                     fixVML(el)
                 }
             }
+            if (tag === "tr") {
+                for (els = wrapper.children, i = 0; el = els[i++]; ) {
+                    // IE6-8,如果动态生成tr元素，必须会在后面添加早已废弃caption的标签，其nodeName,innerHTML都为""
+                    if (el.nodeName == "") {
+                        el.parentNode.removeChild(el)
+                        i--
+                    }
+                }
+            }
         }
         while (firstChild = wrapper.firstChild) { // 将wrapper上的节点转移到文档碎片上！
             fragment.appendChild(firstChild)
diff --git a/avalon.min.js b/avalon.min.js
index e03bf4959..038122c41 100644
--- a/avalon.min.js
+++ b/avalon.min.js
@@ -60,14 +60,14 @@ b]=function(b){return x[c+":get"](this[0],void 0,!0===b?2:0)}});avalon.fn.offset
 return{top:c.top+h-b,left:c.left+e-g}};var Pc=/^<option(?:\s+\w+(?:\s*=\s*(?:"[^"]*"|'[^']*'|[^\s>]+))?)*\s+value[\s=]/i,Ka={"option:get":r.VBArray?function(b){return Pc.test(b.outerHTML)?b.value:b.text.trim()}:function(b){return b.value},"select:get":function(b,c){for(var d,e=b.options,f=b.selectedIndex,g=Ka["option:get"],h="select-one"===b.type||0>f,k=h?null:[],l=h?f+1:e.length,m=0>f?l:h?f:0;m<l;m++)if(d=e[m],(d.selected||m===f)&&!d.disabled){c=g(d);if(h)return c;k.push(c)}return k},"select:set":function(b,
 c,d){c=[].concat(c);for(var e=Ka["option:get"],f=0,g;g=b.options[f++];)if(g.selected=0<=c.indexOf(e(g)))d=!0;d||(b.selectedIndex=-1)}},E={area:[1,"<map>"],param:[1,"<object>"],col:[2,"<table><tbody></tbody><colgroup>","</table>"],legend:[1,"<fieldset>"],option:[1,"<select multiple='multiple'>"],thead:[1,"<table>","</table>"],tr:[2,"<table><tbody>"],td:[3,"<table><tbody><tr>"],g:[1,'<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1">',"</svg>"],_default:w?
 [0,""]:[1,"X<div>"]};E.optgroup=E.option;E.tbody=E.tfoot=E.colgroup=E.caption=E.thead;E.th=E.td;"circle,defs,ellipse,image,line,path,polygon,polyline,rect,symbol,text,use".replace(z,function(b){E[b]=E.g});var Qc=/<([\w:]+)/,Rc=/<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig,Pb=w?/[^\d\D]/:/(<(?:script|link|style|meta|noscript))/ig,Sc=M(["","text/javascript","text/ecmascript","application/ecmascript","application/javascript"]),Tc=/<(?:tb|td|tf|th|tr|col|opt|leg|cap|area)/,
-Uc=p.createElement("script");avalon.parseHTML=function(b){"string"!==typeof b&&(b+="");b=b.replace(Rc,"<$1></$2>").trim();var c=(Qc.exec(b)||["",""])[1].toLowerCase(),d=E[c]||E._default,c=I.cloneNode(!1),e=ea,f;w||(b=b.replace(Pb,"<br class=msNoScope>$1"));e.innerHTML=d[1]+b+(d[2]||"");b=e.getElementsByTagName("script");if(b.length)for(var g=0,h;h=b[g++];)Sc[h.type]&&(f=Uc.cloneNode(!1),L.forEach.call(h.attributes,function(b){b&&b.specified&&(f[b.name]=b.value,f.setAttribute(b.name,b.value))}),f.text=
-h.text,h.parentNode.replaceChild(f,h));for(g=d[0];g--;e=e.lastChild);if(!w){b=e.getElementsByTagName("br");for(g=0;h=b[g++];)h.className&&"msNoScope"===h.className&&h.parentNode.removeChild(h);b=e.all;for(g=0;h=b[g++];)fb(h)&&ac(h)}for(;d=e.firstChild;)c.appendChild(d);return c};avalon.innerHTML=function(b,c){if(!w&&!Pb.test(c)&&!Tc.test(c))try{b.innerHTML=c;return}catch(d){}var e=this.parseHTML(c);this.clearHTML(b).appendChild(e)};avalon.clearHTML=function(b){for(b.textContent="";b.firstChild;)b.removeChild(b.firstChild);
-return b};var R={$watch:function(b,c){if("function"===typeof c){var d=this.$events[b];d?d.push(c):this.$events[b]=[c]}else this.$events=this.$watch.backup;return this},$unwatch:function(b,c){var d=arguments.length;if(0===d)this.$watch.backup=this.$events,this.$events={};else if(1===d)this.$events[b]=[];else for(var d=this.$events[b]||[],e=d.length;0>~--e;)if(d[e]===c)return d.splice(e,1);return this},$fire:function(b){var c;/^(\w+)!(\S+)$/.test(b)&&(c=RegExp.$1,b=RegExp.$2);var d=this.$events,e=$.call(arguments,
-1),f=[b].concat(e);if("all"===c)for(var g in avalon.vmodels)e=avalon.vmodels[g],e!==this&&e.$fire.apply(e,f);else if("up"===c||"down"===c){if(d=d.expr&&Qb(d.expr)){for(g in avalon.vmodels)if(e=avalon.vmodels[g],e!==this&&e.$events.expr){var h=Qb(e.$events.expr);if(h&&("down"===c?d.contains(h):h.contains(d)))h._avalon=e}g=p.getElementsByTagName("*");var k=[];Array.prototype.forEach.call(g,function(b){b._avalon&&(k.push(b._avalon),b._avalon="",b.removeAttribute("_avalon"))});"up"===c&&k.reverse();for(g=
-0;(c=k[g++])&&!1!==c.$fire.apply(c,f););}}else{f=d[b]||[];c=d.$all||[];for(g=0;d=f[g++];)V(d)&&d.apply(this,e);for(g=0;d=c[g++];)V(d)&&d.apply(this,arguments)}}},Vc=/(\w+)\[(avalonctrl)="(\S+)"\]/,Qb=p.querySelector?function(b){return p.querySelector(b)}:function(b){b=b.match(Vc);for(var c=p.getElementsByTagName(b[1]),d=0,e;e=c[d++];)if(e.getAttribute(b[2])===b[3])return e},bc=/^(duplex|on)$/,S=[],ya=0,cc=200,ib=new Date,jb,Na={};avalon.scanCallback=function(b,c){c=c||"$all";(Na[c]||(Na[c]=[])).push(b)};
-avalon.scan=function(b,c,d){b=b||B;var e=Na[d||"$all"]||[];c=c?[].concat(c):[];var f=0,g=!1,h,k=!1;c.cb=function(b){f+=b;k=!0;setTimeout(function(){if(0>=f&&!g)for(g=!0;h=e.shift();)h()})};kb(b,c);if(!k)for(;h=e.shift();)h()};var gc=M("AREA,BASE,BASEFONT,BR,COL,COMMAND,EMBED,HR,IMG,INPUT,LINK,META,PARAM,SOURCE,TRACK,WBR,NOSCRIPT,SCRIPT,STYLE,TEXTAREA"),sb=/ms-(\w+)-?(.*)/,tb={"if":10,repeat:90,data:100,widget:110,each:1400,"with":1500,duplex:2E3,on:3E3},ec=M("animationend,blur,change,input,click,dblclick,focus,keydown,keypress,keyup,mousedown,mouseenter,mouseleave,mousemove,mouseout,mouseover,mouseup,scan,scroll,submit"),
-fc=M("value,title,alt,checked,selected,disabled,readonly,enabled");if(!"1"[0])var Oa=Ca(512),Wc=/\s+(ms-[^=\s]+)(?:=("[^"]*"|'[^']*'|[^\s>]+))?/g,Xc=/^['"]/,Yc=/<\w+\b(?:(["'])[^"]*?(\1)|[^>])*>/i,Zc=/&amp;/g,rb=function(b){b=b.outerHTML;if("</"===b.slice(0,2)||!b.trim())return[];b=b.match(Yc)[0];var c=[],d,e;if(Oa[b])return Oa[b];for(;d=Wc.exec(b);)(e=d[2])&&(e=(Xc.test(e)?e.slice(1,-1):e).replace(Zc,"&")),d=d[1].toLowerCase(),d.match(sb),c.push({name:d,specified:!0,value:e||""});return Oa(b,c)};
-var kc=/\|\s*(\w+)\s*(\([^)]*\))?/g,jc=/\|\|/g,lc=/U2hvcnRDaXJjdWl0/g,hc=/&lt;/g,ic=/&gt;/g,$c=/\/\*[\w\W]*?\*\/|\/\/[^\n]*\n|\/\/[^\n]*$|"(?:[^"\\]|\\[\w\W])*"|'(?:[^'\\]|\\[\w\W])*'|[\s\t\n]*\.[\s\t\n]*[$\w\.]+/g,ad=/[^\w$]+/g,bd=RegExp(""+("\\b"+"break,case,catch,continue,debugger,default,delete,do,else,false,finally,for,function,if,in,instanceof,new,null,return,switch,this,throw,true,try,typeof,var,void,while,with,abstract,boolean,byte,char,class,const,double,enum,export,extends,final,float,goto,implements,import,int,interface,long,native,package,private,protected,public,short,static,super,synchronized,throws,transient,volatile,arguments,let,yield,undefined".replace(/,/g,
+Uc=p.createElement("script");avalon.parseHTML=function(b){"string"!==typeof b&&(b+="");b=b.replace(Rc,"<$1></$2>").trim();var c=(Qc.exec(b)||["",""])[1].toLowerCase(),d=E[c]||E._default,e=I.cloneNode(!1),f=ea,g;w||(b=b.replace(Pb,"<br class=msNoScope>$1"));f.innerHTML=d[1]+b+(d[2]||"");b=f.getElementsByTagName("script");if(b.length)for(var h=0,k;k=b[h++];)Sc[k.type]&&(g=Uc.cloneNode(!1),L.forEach.call(k.attributes,function(b){b&&b.specified&&(g[b.name]=b.value,g.setAttribute(b.name,b.value))}),g.text=
+k.text,k.parentNode.replaceChild(g,k));for(h=d[0];h--;f=f.lastChild);if(!w){b=f.getElementsByTagName("br");for(h=0;k=b[h++];)k.className&&"msNoScope"===k.className&&(k.parentNode.removeChild(k),h--);b=f.all;for(h=0;k=b[h++];)fb(k)&&ac(k);if("tr"===c){b=f.children;for(h=0;k=b[h++];)""==k.nodeName&&(k.parentNode.removeChild(k),h--)}}for(;c=f.firstChild;)e.appendChild(c);return e};avalon.innerHTML=function(b,c){if(!w&&!Pb.test(c)&&!Tc.test(c))try{b.innerHTML=c;return}catch(d){}var e=this.parseHTML(c);
+this.clearHTML(b).appendChild(e)};avalon.clearHTML=function(b){for(b.textContent="";b.firstChild;)b.removeChild(b.firstChild);return b};var R={$watch:function(b,c){if("function"===typeof c){var d=this.$events[b];d?d.push(c):this.$events[b]=[c]}else this.$events=this.$watch.backup;return this},$unwatch:function(b,c){var d=arguments.length;if(0===d)this.$watch.backup=this.$events,this.$events={};else if(1===d)this.$events[b]=[];else for(var d=this.$events[b]||[],e=d.length;0>~--e;)if(d[e]===c)return d.splice(e,
+1);return this},$fire:function(b){var c;/^(\w+)!(\S+)$/.test(b)&&(c=RegExp.$1,b=RegExp.$2);var d=this.$events,e=$.call(arguments,1),f=[b].concat(e);if("all"===c)for(var g in avalon.vmodels)e=avalon.vmodels[g],e!==this&&e.$fire.apply(e,f);else if("up"===c||"down"===c){if(d=d.expr&&Qb(d.expr)){for(g in avalon.vmodels)if(e=avalon.vmodels[g],e!==this&&e.$events.expr){var h=Qb(e.$events.expr);if(h&&("down"===c?d.contains(h):h.contains(d)))h._avalon=e}g=p.getElementsByTagName("*");var k=[];Array.prototype.forEach.call(g,
+function(b){b._avalon&&(k.push(b._avalon),b._avalon="",b.removeAttribute("_avalon"))});"up"===c&&k.reverse();for(g=0;(c=k[g++])&&!1!==c.$fire.apply(c,f););}}else{f=d[b]||[];c=d.$all||[];for(g=0;d=f[g++];)V(d)&&d.apply(this,e);for(g=0;d=c[g++];)V(d)&&d.apply(this,arguments)}}},Vc=/(\w+)\[(avalonctrl)="(\S+)"\]/,Qb=p.querySelector?function(b){return p.querySelector(b)}:function(b){b=b.match(Vc);for(var c=p.getElementsByTagName(b[1]),d=0,e;e=c[d++];)if(e.getAttribute(b[2])===b[3])return e},bc=/^(duplex|on)$/,
+S=[],ya=0,cc=200,ib=new Date,jb,Na={};avalon.scanCallback=function(b,c){c=c||"$all";(Na[c]||(Na[c]=[])).push(b)};avalon.scan=function(b,c,d){b=b||B;var e=Na[d||"$all"]||[];c=c?[].concat(c):[];var f=0,g=!1,h,k=!1;c.cb=function(b){f+=b;k=!0;setTimeout(function(){if(0>=f&&!g)for(g=!0;h=e.shift();)h()})};kb(b,c);if(!k)for(;h=e.shift();)h()};var gc=M("AREA,BASE,BASEFONT,BR,COL,COMMAND,EMBED,HR,IMG,INPUT,LINK,META,PARAM,SOURCE,TRACK,WBR,NOSCRIPT,SCRIPT,STYLE,TEXTAREA"),sb=/ms-(\w+)-?(.*)/,tb={"if":10,repeat:90,
+data:100,widget:110,each:1400,"with":1500,duplex:2E3,on:3E3},ec=M("animationend,blur,change,input,click,dblclick,focus,keydown,keypress,keyup,mousedown,mouseenter,mouseleave,mousemove,mouseout,mouseover,mouseup,scan,scroll,submit"),fc=M("value,title,alt,checked,selected,disabled,readonly,enabled");if(!"1"[0])var Oa=Ca(512),Wc=/\s+(ms-[^=\s]+)(?:=("[^"]*"|'[^']*'|[^\s>]+))?/g,Xc=/^['"]/,Yc=/<\w+\b(?:(["'])[^"]*?(\1)|[^>])*>/i,Zc=/&amp;/g,rb=function(b){b=b.outerHTML;if("</"===b.slice(0,2)||!b.trim())return[];
+b=b.match(Yc)[0];var c=[],d,e;if(Oa[b])return Oa[b];for(;d=Wc.exec(b);)(e=d[2])&&(e=(Xc.test(e)?e.slice(1,-1):e).replace(Zc,"&")),d=d[1].toLowerCase(),d.match(sb),c.push({name:d,specified:!0,value:e||""});return Oa(b,c)};var kc=/\|\s*(\w+)\s*(\([^)]*\))?/g,jc=/\|\|/g,lc=/U2hvcnRDaXJjdWl0/g,hc=/&lt;/g,ic=/&gt;/g,$c=/\/\*[\w\W]*?\*\/|\/\/[^\n]*\n|\/\/[^\n]*$|"(?:[^"\\]|\\[\w\W])*"|'(?:[^'\\]|\\[\w\W])*'|[\s\t\n]*\.[\s\t\n]*[$\w\.]+/g,ad=/[^\w$]+/g,bd=RegExp(""+("\\b"+"break,case,catch,continue,debugger,default,delete,do,else,false,finally,for,function,if,in,instanceof,new,null,return,switch,this,throw,true,try,typeof,var,void,while,with,abstract,boolean,byte,char,class,const,double,enum,export,extends,final,float,goto,implements,import,int,interface,long,native,package,private,protected,public,short,static,super,synchronized,throws,transient,volatile,arguments,let,yield,undefined".replace(/,/g,
 "\\b|\\b")+"\\b"),"g"),cd=/\b\d[^,]*/g,dd=/^,+|,+$/g,Pa=Ca(512),oc=function(b){var c=","+b.trim();if(Pa[c])return Pa[c];b=b.replace($c,"").replace(ad,",").replace(bd,"").replace(cd,"").replace(dd,"").split(/^$|,+/);return Pa(c,vb(b))},Da=Ca(128),pc=/\w\[.*\]|\w\.\w/,nc=/(\$proxy\$[a-z]+)\d+$/,ed={"\b":"\\b","\t":"\\t","\n":"\\n","\f":"\\f","\r":"\\r",'"':'\\"',"\\":"\\\\"},qc=r.JSON&&JSON.stringify||function(b){return'"'+b.replace(/[\\\"\x00-\x1f]/g,function(b){var d=ed[b];return"string"===typeof d?
 d:"\\u"+("0000"+b.charCodeAt(0).toString(16)).slice(-4)})+'"'};avalon.parseExprProxy=K;var Qa={"accept-charset":"acceptCharset","char":"ch",charoff:"chOff","class":"className","for":"htmlFor","http-equiv":"httpEquiv"};"accessKey,bgColor,cellPadding,cellSpacing,codeBase,codeType,colSpan,dateTime,defaultValue,frameBorder,longDesc,maxLength,marginWidth,marginHeight,rowSpan,tabIndex,useMap,vSpace,valueType,vAlign".replace(z,function(b){Qa[b.toLowerCase()]=b});var pa=J.insertBefore(document.createElement("avalon"),
 J.firstChild);pa.innerHTML="X<style id='avalonStyle'>.avalonHide{ display: none!important }</style>";var fd=/<noscript.*?>(?:[\s\S]+?)<\/noscript>/img,gd=/<noscript.*?>([\s\S]+?)<\/noscript>/im,Ra=function(){return new (r.XMLHttpRequest||ActiveXObject)("Microsoft.XMLHTTP")},fa=function(b,c,d){if(b=b.getAttribute(c)){c=0;for(var e;e=d[c++];)if(e.hasOwnProperty(b)&&"function"===typeof e[b])return e[b]}},Sa=avalon.templateCache={};avalon.contains=Ya;var Ta={};"autofocus,autoplay,async,allowTransparency,checked,controls,declare,disabled,defer,defaultChecked,defaultSelectedcontentEditable,isMap,loop,multiple,noHref,noResize,noShade,open,readOnly,selected".replace(z,
diff --git a/avalon.observe.js b/avalon.observe.js
index 1cff29105..d639cd18e 100644
--- a/avalon.observe.js
+++ b/avalon.observe.js
@@ -874,7 +874,7 @@
             var node = this[0]
             if (arguments.length === 0) {
                 if (node.setTimeout) { //取得窗口尺寸,IE9后可以用node.innerWidth /innerHeight代替
-                    return node["inner" + name] 
+                    return node["inner" + name]
                 }
                 if (node.nodeType === 9) { //取得页面尺寸
                     var doc = node.documentElement
@@ -956,9 +956,38 @@
      *        HTML处理(parseHTML, innerHTML, clearHTML)                    *
      ****************************************************************************/
     !function(t) {
+        var rtagName = /<([\w:]+)/
+        var rxhtml = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig
+
+        var tagHooks = {
+            col: [2, "<table><tbody></tbody><colgroup>", "</colgroup></table>"],
+            g: [1, '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1">', '</svg>'],
+            //IE6-8在用innerHTML生成节点时，不能直接创建no-scope元素与HTML5的新标签
+            _default: [0, "", ""]  //div可以不用闭合
+        }
+
+
+        String("circle,defs,ellipse,image,line,path,polygon,polyline,rect,symbol,text,use").replace(rword, function(tag) {
+            tagHooks[tag] = tagHooks.g //处理SVG
+        })
+
         avalon.parseHTML = function(html) {
-            t.innerHTML = html + ""
-            return t.content
+            html = html.replace(rxhtml, "<$1></$2>").trim()
+            var tag = (rtagName.exec(html) || ["", ""])[1].toLowerCase()
+            var wrap = tagHooks[tag] || tagHooks._default
+            t.innerHTML = wrap[1] + html + wrap[2]
+            var wrapper = t.content
+            if (wrap[0]) {
+                console.log(wrapper)
+//                var fragment = wrapper.cloneNode(false), firstChild
+//                for (var i = wrap[0]; i--; wrapper = wrapper.lastChild) {
+//                }
+//                while (firstChild = wrapper.firstChild) { // 将wrapper上的节点转移到文档碎片上！
+//                    fragment.appendChild(firstChild)
+//                }
+//                return fragment
+            }
+            return wrapper
         }
         avalon.clearHTML = function(node) {
             node.textContent = ""
@@ -1005,7 +1034,7 @@
             }
             return this
         },
-         $fire: function(type) {
+        $fire: function(type) {
             var special
             if (/^(\w+)!(\S+)$/.test(type)) {
                 special = RegExp.$1
diff --git a/examples/avalon.shim.js b/examples/avalon.shim.js
index f33c2280b..0e443fd06 100644
--- a/examples/avalon.shim.js
+++ b/examples/avalon.shim.js
@@ -1694,7 +1694,7 @@
         for (i = wrap[0]; i--; wrapper = wrapper.lastChild) {
         }
         if (!W3C) { //fix IE
-            for (els = wrapper["getElementsByTagName"]("br"), i = 0; el = els[i++]; ) {
+            for (els = avalon.slice(wrapper["getElementsByTagName"]("br")), i = 0; el = els[i++]; ) {
                 if (el.className && el.className === "msNoScope") {
                     el.parentNode.removeChild(el)
                 }
@@ -1704,6 +1704,14 @@
                     fixVML(el)
                 }
             }
+            if (tag === "tr") {
+                for (els = avalon.slice(wrapper.children), i = 0; el = els[i++]; ) {
+                    // IE6-8,如果动态生成tr元素，必须会在后面添加早已废弃caption的标签，其nodeName,innerHTML都为""
+                    if (el.nodeName == "") {
+                        el.parentNode.removeChild(el)
+                    }
+                }
+            }
         }
         while (firstChild = wrapper.firstChild) { // 将wrapper上的节点转移到文档碎片上！
             fragment.appendChild(firstChild)
diff --git a/newhtml1.html b/newhtml1.html
new file mode 100644
index 000000000..e394a0563
--- /dev/null
+++ b/newhtml1.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <title>TODO supply a title</title>
+        <meta charset="UTF-8">
+        <meta name="viewport" content="width=device-width">
+        <script src='avalon.observe.js'></script>
+        <script>
+            window.onload = function() {
+                var node = avalon.parseHTML("<script>alert(1)<\/script>")
+                document.body.appendChild(node)
+
+                var g = '<g stroke="green" fill="white" stroke-width="5">\
+    <circle cx="25" cy="25" r="15" />\
+    <circle cx="40" cy="25" r="15" />\
+    <circle cx="55" cy="25" r="15" />\
+    <circle cx="70" cy="25" r="15" />\
+  </g>'
+                var node = avalon.parseHTML(g)
+                console.log(node)
+                var el = avalon.parseHTML("<col width=120><tr><td></td></tr>")
+                console.log(el)
+            }
+
+            //console.log(wrapper)
+        </script>
+    </head>
+    <body>
+        <div>TODO write content</div>
+    </body>
+</html>