diff --git a/docs/qrcode.js b/docs/qrcode.js
new file mode 100644
index 0000000..f3be5da
--- /dev/null
+++ b/docs/qrcode.js
@@ -0,0 +1 @@
+!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.jrQrcode=e():t.jrQrcode=e()}(this,function(){return function(t){function e(o){if(r[o])return r[o].exports;var n=r[o]={exports:{},id:o,loaded:!1};return t[o].call(n.exports,n,n.exports,e),n.loaded=!0,n.exports}var r={};return e.m=t,e.c=r,e.p="",e(0)}([function(t,e,r){"use strict";t.exports=r(3)},function(t,e){"use strict";!function(){Object.assign||Object.defineProperty(Object,"assign",{enumerable:!1,configurable:!0,writable:!0,value:function(t){if(void 0===t||null===t)throw new TypeError("Cannot convert first argument to object");for(var e=Object(t),r=1;r<arguments.length;r++){var o=arguments[r];if(void 0!==o&&null!==o){o=Object(o);for(var n=Object.keys(Object(o)),i=0,a=n.length;i<a;i++){var s=n[i],u=Object.getOwnPropertyDescriptor(o,s);void 0!==u&&u.enumerable&&(e[s]=o[s])}}}return e}})}()},function(t,e){"use strict";t.exports=function(){var t={};return t.utf16to8=function(t){var e,r,o,n;for(e="",o=t.length,r=0;r<o;r++)n=t.charCodeAt(r),n>=1&&n<=127?e+=t.charAt(r):n>2047?(e+=String.fromCharCode(224|n>>12&15),e+=String.fromCharCode(128|n>>6&63),e+=String.fromCharCode(128|n>>0&63)):(e+=String.fromCharCode(192|n>>6&31),e+=String.fromCharCode(128|n>>0&63));return e},t.utf8to16=function(t){var e,r,o,n,i,a;for(e="",o=t.length,r=0;r<o;)switch(n=t.charCodeAt(r++),n>>4){case 0:case 1:case 2:case 3:case 4:case 5:case 6:case 7:e+=t.charAt(r-1);break;case 12:case 13:i=t.charCodeAt(r++),e+=String.fromCharCode((31&n)<<6|63&i);break;case 14:i=t.charCodeAt(r++),a=t.charCodeAt(r++),e+=String.fromCharCode((15&n)<<12|(63&i)<<6|(63&a)<<0)}return e},t}()},function(t,e,r){"use strict";r(1),r(4);var o=r(2),n=function(){function t(t){var e=new QRCode(t.typeNumber,t.correctLevel);e.addData(t.text),e.make();var r=document.createElement("canvas");r.width=t.width,r.height=t.height;var o=r.getContext("2d"),n=(t.width-2*t.padding)/e.getModuleCount(),i=(t.height-2*t.padding)/e.getModuleCount();if(t.reverse){var a="rgba(0, 0, 0, 0)";o.fillStyle=a,t.foreground=a}else o.fillStyle=t.background;o.fillRect(0,0,r.width,r.height);for(var s=0;s<e.getModuleCount();s++)for(var u=0;u<e.getModuleCount();u++){o.fillStyle=e.isDark(s,u)?t.foreground:t.background;var h=Math.ceil((u+1)*n)-Math.floor(u*n),f=Math.ceil((s+1)*n)-Math.floor(s*n);o.fillRect(Math.round(u*n)+t.padding,Math.round(s*i)+t.padding,h,f)}return r}var e={};return e.getQrBase64=function(e,r){"string"!=typeof e&&(e=""),"string"==typeof r?r={text:r}:"object"!=typeof r&&(r={}),r=Object.assign({padding:10,width:256,height:256,typeNumber:-1,correctLevel:QRErrorCorrectLevel.H,reverse:!1,background:"#ffffff",foreground:"#000000"},r);try{r.text=o.utf16to8(e)}catch(t){r.text=""+t}var n=t(r);return n.toDataURL()},e.QRErrorCorrectLevel=QRErrorCorrectLevel,e}();!window.jrQrcode&&(window.jrQrcode=n),t.exports=n},function(t,e){function r(t){this.mode=s.MODE_8BIT_BYTE,this.data=t}function o(t,e){this.typeNumber=t,this.errorCorrectLevel=e,this.modules=null,this.moduleCount=0,this.dataCache=null,this.dataList=new Array}function n(t,e){if(void 0==t.length)throw new Error(t.length+"/"+e);for(var r=0;r<t.length&&0==t[r];)r++;this.num=new Array(t.length-r+e);for(var o=0;o<t.length-r;o++)this.num[o]=t[o+r]}function i(t,e){this.totalCount=t,this.dataCount=e}function a(){this.buffer=new Array,this.length=0}r.prototype={getLength:function(t){return this.data.length},write:function(t){for(var e=0;e<this.data.length;e++)t.put(this.data.charCodeAt(e),8)}},o.prototype={addData:function(t){var e=new r(t);this.dataList.push(e),this.dataCache=null},isDark:function(t,e){if(t<0||this.moduleCount<=t||e<0||this.moduleCount<=e)throw new Error(t+","+e);return this.modules[t][e]},getModuleCount:function(){return this.moduleCount},make:function(){if(this.typeNumber<1){var t=1;for(t=1;t<40;t++){for(var e=i.getRSBlocks(t,this.errorCorrectLevel),r=new a,o=0,n=0;n<e.length;n++)o+=e[n].dataCount;for(var n=0;n<this.dataList.length;n++){var s=this.dataList[n];r.put(s.mode,4),r.put(s.getLength(),f.getLengthInBits(s.mode,t)),s.write(r)}if(r.getLengthInBits()<=8*o)break}this.typeNumber=t}this.makeImpl(!1,this.getBestMaskPattern())},makeImpl:function(t,e){this.moduleCount=4*this.typeNumber+17,this.modules=new Array(this.moduleCount);for(var r=0;r<this.moduleCount;r++){this.modules[r]=new Array(this.moduleCount);for(var n=0;n<this.moduleCount;n++)this.modules[r][n]=null}this.setupPositionProbePattern(0,0),this.setupPositionProbePattern(this.moduleCount-7,0),this.setupPositionProbePattern(0,this.moduleCount-7),this.setupPositionAdjustPattern(),this.setupTimingPattern(),this.setupTypeInfo(t,e),this.typeNumber>=7&&this.setupTypeNumber(t),null==this.dataCache&&(this.dataCache=o.createData(this.typeNumber,this.errorCorrectLevel,this.dataList)),this.mapData(this.dataCache,e)},setupPositionProbePattern:function(t,e){for(var r=-1;r<=7;r++)if(!(t+r<=-1||this.moduleCount<=t+r))for(var o=-1;o<=7;o++)e+o<=-1||this.moduleCount<=e+o||(0<=r&&r<=6&&(0==o||6==o)||0<=o&&o<=6&&(0==r||6==r)||2<=r&&r<=4&&2<=o&&o<=4?this.modules[t+r][e+o]=!0:this.modules[t+r][e+o]=!1)},getBestMaskPattern:function(){for(var t=0,e=0,r=0;r<8;r++){this.makeImpl(!0,r);var o=f.getLostPoint(this);(0==r||t>o)&&(t=o,e=r)}return e},createMovieClip:function(t,e,r){var o=t.createEmptyMovieClip(e,r),n=1;this.make();for(var i=0;i<this.modules.length;i++)for(var a=i*n,s=0;s<this.modules[i].length;s++){var u=s*n,h=this.modules[i][s];h&&(o.beginFill(0,100),o.moveTo(u,a),o.lineTo(u+n,a),o.lineTo(u+n,a+n),o.lineTo(u,a+n),o.endFill())}return o},setupTimingPattern:function(){for(var t=8;t<this.moduleCount-8;t++)null==this.modules[t][6]&&(this.modules[t][6]=t%2==0);for(var e=8;e<this.moduleCount-8;e++)null==this.modules[6][e]&&(this.modules[6][e]=e%2==0)},setupPositionAdjustPattern:function(){for(var t=f.getPatternPosition(this.typeNumber),e=0;e<t.length;e++)for(var r=0;r<t.length;r++){var o=t[e],n=t[r];if(null==this.modules[o][n])for(var i=-2;i<=2;i++)for(var a=-2;a<=2;a++)i==-2||2==i||a==-2||2==a||0==i&&0==a?this.modules[o+i][n+a]=!0:this.modules[o+i][n+a]=!1}},setupTypeNumber:function(t){for(var e=f.getBCHTypeNumber(this.typeNumber),r=0;r<18;r++){var o=!t&&1==(e>>r&1);this.modules[Math.floor(r/3)][r%3+this.moduleCount-8-3]=o}for(var r=0;r<18;r++){var o=!t&&1==(e>>r&1);this.modules[r%3+this.moduleCount-8-3][Math.floor(r/3)]=o}},setupTypeInfo:function(t,e){for(var r=this.errorCorrectLevel<<3|e,o=f.getBCHTypeInfo(r),n=0;n<15;n++){var i=!t&&1==(o>>n&1);n<6?this.modules[n][8]=i:n<8?this.modules[n+1][8]=i:this.modules[this.moduleCount-15+n][8]=i}for(var n=0;n<15;n++){var i=!t&&1==(o>>n&1);n<8?this.modules[8][this.moduleCount-n-1]=i:n<9?this.modules[8][15-n-1+1]=i:this.modules[8][15-n-1]=i}this.modules[this.moduleCount-8][8]=!t},mapData:function(t,e){for(var r=-1,o=this.moduleCount-1,n=7,i=0,a=this.moduleCount-1;a>0;a-=2)for(6==a&&a--;;){for(var s=0;s<2;s++)if(null==this.modules[o][a-s]){var u=!1;i<t.length&&(u=1==(t[i]>>>n&1));var h=f.getMask(e,o,a-s);h&&(u=!u),this.modules[o][a-s]=u,n--,n==-1&&(i++,n=7)}if(o+=r,o<0||this.moduleCount<=o){o-=r,r=-r;break}}}},o.PAD0=236,o.PAD1=17,o.createData=function(t,e,r){for(var n=i.getRSBlocks(t,e),s=new a,u=0;u<r.length;u++){var h=r[u];s.put(h.mode,4),s.put(h.getLength(),f.getLengthInBits(h.mode,t)),h.write(s)}for(var l=0,u=0;u<n.length;u++)l+=n[u].dataCount;if(s.getLengthInBits()>8*l)throw new Error("code length overflow. ("+s.getLengthInBits()+">"+8*l+")");for(s.getLengthInBits()+4<=8*l&&s.put(0,4);s.getLengthInBits()%8!=0;)s.putBit(!1);for(;;){if(s.getLengthInBits()>=8*l)break;if(s.put(o.PAD0,8),s.getLengthInBits()>=8*l)break;s.put(o.PAD1,8)}return o.createBytes(s,n)},o.createBytes=function(t,e){for(var r=0,o=0,i=0,a=new Array(e.length),s=new Array(e.length),u=0;u<e.length;u++){var h=e[u].dataCount,l=e[u].totalCount-h;o=Math.max(o,h),i=Math.max(i,l),a[u]=new Array(h);for(var g=0;g<a[u].length;g++)a[u][g]=255&t.buffer[g+r];r+=h;var c=f.getErrorCorrectPolynomial(l),d=new n(a[u],c.getLength()-1),v=d.mod(c);s[u]=new Array(c.getLength()-1);for(var g=0;g<s[u].length;g++){var m=g+v.getLength()-s[u].length;s[u][g]=m>=0?v.get(m):0}}for(var p=0,g=0;g<e.length;g++)p+=e[g].totalCount;for(var C=new Array(p),E=0,g=0;g<o;g++)for(var u=0;u<e.length;u++)g<a[u].length&&(C[E++]=a[u][g]);for(var g=0;g<i;g++)for(var u=0;u<e.length;u++)g<s[u].length&&(C[E++]=s[u][g]);return C};for(var s={MODE_NUMBER:1,MODE_ALPHA_NUM:2,MODE_8BIT_BYTE:4,MODE_KANJI:8},u={L:1,M:0,Q:3,H:2},h={PATTERN000:0,PATTERN001:1,PATTERN010:2,PATTERN011:3,PATTERN100:4,PATTERN101:5,PATTERN110:6,PATTERN111:7},f={PATTERN_POSITION_TABLE:[[],[6,18],[6,22],[6,26],[6,30],[6,34],[6,22,38],[6,24,42],[6,26,46],[6,28,50],[6,30,54],[6,32,58],[6,34,62],[6,26,46,66],[6,26,48,70],[6,26,50,74],[6,30,54,78],[6,30,56,82],[6,30,58,86],[6,34,62,90],[6,28,50,72,94],[6,26,50,74,98],[6,30,54,78,102],[6,28,54,80,106],[6,32,58,84,110],[6,30,58,86,114],[6,34,62,90,118],[6,26,50,74,98,122],[6,30,54,78,102,126],[6,26,52,78,104,130],[6,30,56,82,108,134],[6,34,60,86,112,138],[6,30,58,86,114,142],[6,34,62,90,118,146],[6,30,54,78,102,126,150],[6,24,50,76,102,128,154],[6,28,54,80,106,132,158],[6,32,58,84,110,136,162],[6,26,54,82,110,138,166],[6,30,58,86,114,142,170]],G15:1335,G18:7973,G15_MASK:21522,getBCHTypeInfo:function(t){for(var e=t<<10;f.getBCHDigit(e)-f.getBCHDigit(f.G15)>=0;)e^=f.G15<<f.getBCHDigit(e)-f.getBCHDigit(f.G15);return(t<<10|e)^f.G15_MASK},getBCHTypeNumber:function(t){for(var e=t<<12;f.getBCHDigit(e)-f.getBCHDigit(f.G18)>=0;)e^=f.G18<<f.getBCHDigit(e)-f.getBCHDigit(f.G18);return t<<12|e},getBCHDigit:function(t){for(var e=0;0!=t;)e++,t>>>=1;return e},getPatternPosition:function(t){return f.PATTERN_POSITION_TABLE[t-1]},getMask:function(t,e,r){switch(t){case h.PATTERN000:return(e+r)%2==0;case h.PATTERN001:return e%2==0;case h.PATTERN010:return r%3==0;case h.PATTERN011:return(e+r)%3==0;case h.PATTERN100:return(Math.floor(e/2)+Math.floor(r/3))%2==0;case h.PATTERN101:return e*r%2+e*r%3==0;case h.PATTERN110:return(e*r%2+e*r%3)%2==0;case h.PATTERN111:return(e*r%3+(e+r)%2)%2==0;default:throw new Error("bad maskPattern:"+t)}},getErrorCorrectPolynomial:function(t){for(var e=new n([1],0),r=0;r<t;r++)e=e.multiply(new n([1,l.gexp(r)],0));return e},getLengthInBits:function(t,e){if(1<=e&&e<10)switch(t){case s.MODE_NUMBER:return 10;case s.MODE_ALPHA_NUM:return 9;case s.MODE_8BIT_BYTE:return 8;case s.MODE_KANJI:return 8;default:throw new Error("mode:"+t)}else if(e<27)switch(t){case s.MODE_NUMBER:return 12;case s.MODE_ALPHA_NUM:return 11;case s.MODE_8BIT_BYTE:return 16;case s.MODE_KANJI:return 10;default:throw new Error("mode:"+t)}else{if(!(e<41))throw new Error("type:"+e);switch(t){case s.MODE_NUMBER:return 14;case s.MODE_ALPHA_NUM:return 13;case s.MODE_8BIT_BYTE:return 16;case s.MODE_KANJI:return 12;default:throw new Error("mode:"+t)}}},getLostPoint:function(t){for(var e=t.getModuleCount(),r=0,o=0;o<e;o++)for(var n=0;n<e;n++){for(var i=0,a=t.isDark(o,n),s=-1;s<=1;s++)if(!(o+s<0||e<=o+s))for(var u=-1;u<=1;u++)n+u<0||e<=n+u||0==s&&0==u||a==t.isDark(o+s,n+u)&&i++;i>5&&(r+=3+i-5)}for(var o=0;o<e-1;o++)for(var n=0;n<e-1;n++){var h=0;t.isDark(o,n)&&h++,t.isDark(o+1,n)&&h++,t.isDark(o,n+1)&&h++,t.isDark(o+1,n+1)&&h++,0!=h&&4!=h||(r+=3)}for(var o=0;o<e;o++)for(var n=0;n<e-6;n++)t.isDark(o,n)&&!t.isDark(o,n+1)&&t.isDark(o,n+2)&&t.isDark(o,n+3)&&t.isDark(o,n+4)&&!t.isDark(o,n+5)&&t.isDark(o,n+6)&&(r+=40);for(var n=0;n<e;n++)for(var o=0;o<e-6;o++)t.isDark(o,n)&&!t.isDark(o+1,n)&&t.isDark(o+2,n)&&t.isDark(o+3,n)&&t.isDark(o+4,n)&&!t.isDark(o+5,n)&&t.isDark(o+6,n)&&(r+=40);for(var f=0,n=0;n<e;n++)for(var o=0;o<e;o++)t.isDark(o,n)&&f++;var l=Math.abs(100*f/e/e-50)/5;return r+=10*l}},l={glog:function(t){if(t<1)throw new Error("glog("+t+")");return l.LOG_TABLE[t]},gexp:function(t){for(;t<0;)t+=255;for(;t>=256;)t-=255;return l.EXP_TABLE[t]},EXP_TABLE:new Array(256),LOG_TABLE:new Array(256)},g=0;g<8;g++)l.EXP_TABLE[g]=1<<g;for(var g=8;g<256;g++)l.EXP_TABLE[g]=l.EXP_TABLE[g-4]^l.EXP_TABLE[g-5]^l.EXP_TABLE[g-6]^l.EXP_TABLE[g-8];for(var g=0;g<255;g++)l.LOG_TABLE[l.EXP_TABLE[g]]=g;n.prototype={get:function(t){return this.num[t]},getLength:function(){return this.num.length},multiply:function(t){for(var e=new Array(this.getLength()+t.getLength()-1),r=0;r<this.getLength();r++)for(var o=0;o<t.getLength();o++)e[r+o]^=l.gexp(l.glog(this.get(r))+l.glog(t.get(o)));return new n(e,0)},mod:function(t){if(this.getLength()-t.getLength()<0)return this;for(var e=l.glog(this.get(0))-l.glog(t.get(0)),r=new Array(this.getLength()),o=0;o<this.getLength();o++)r[o]=this.get(o);for(var o=0;o<t.getLength();o++)r[o]^=l.gexp(l.glog(t.get(o))+e);return new n(r,0).mod(t)}},i.RS_BLOCK_TABLE=[[1,26,19],[1,26,16],[1,26,13],[1,26,9],[1,44,34],[1,44,28],[1,44,22],[1,44,16],[1,70,55],[1,70,44],[2,35,17],[2,35,13],[1,100,80],[2,50,32],[2,50,24],[4,25,9],[1,134,108],[2,67,43],[2,33,15,2,34,16],[2,33,11,2,34,12],[2,86,68],[4,43,27],[4,43,19],[4,43,15],[2,98,78],[4,49,31],[2,32,14,4,33,15],[4,39,13,1,40,14],[2,121,97],[2,60,38,2,61,39],[4,40,18,2,41,19],[4,40,14,2,41,15],[2,146,116],[3,58,36,2,59,37],[4,36,16,4,37,17],[4,36,12,4,37,13],[2,86,68,2,87,69],[4,69,43,1,70,44],[6,43,19,2,44,20],[6,43,15,2,44,16],[4,101,81],[1,80,50,4,81,51],[4,50,22,4,51,23],[3,36,12,8,37,13],[2,116,92,2,117,93],[6,58,36,2,59,37],[4,46,20,6,47,21],[7,42,14,4,43,15],[4,133,107],[8,59,37,1,60,38],[8,44,20,4,45,21],[12,33,11,4,34,12],[3,145,115,1,146,116],[4,64,40,5,65,41],[11,36,16,5,37,17],[11,36,12,5,37,13],[5,109,87,1,110,88],[5,65,41,5,66,42],[5,54,24,7,55,25],[11,36,12],[5,122,98,1,123,99],[7,73,45,3,74,46],[15,43,19,2,44,20],[3,45,15,13,46,16],[1,135,107,5,136,108],[10,74,46,1,75,47],[1,50,22,15,51,23],[2,42,14,17,43,15],[5,150,120,1,151,121],[9,69,43,4,70,44],[17,50,22,1,51,23],[2,42,14,19,43,15],[3,141,113,4,142,114],[3,70,44,11,71,45],[17,47,21,4,48,22],[9,39,13,16,40,14],[3,135,107,5,136,108],[3,67,41,13,68,42],[15,54,24,5,55,25],[15,43,15,10,44,16],[4,144,116,4,145,117],[17,68,42],[17,50,22,6,51,23],[19,46,16,6,47,17],[2,139,111,7,140,112],[17,74,46],[7,54,24,16,55,25],[34,37,13],[4,151,121,5,152,122],[4,75,47,14,76,48],[11,54,24,14,55,25],[16,45,15,14,46,16],[6,147,117,4,148,118],[6,73,45,14,74,46],[11,54,24,16,55,25],[30,46,16,2,47,17],[8,132,106,4,133,107],[8,75,47,13,76,48],[7,54,24,22,55,25],[22,45,15,13,46,16],[10,142,114,2,143,115],[19,74,46,4,75,47],[28,50,22,6,51,23],[33,46,16,4,47,17],[8,152,122,4,153,123],[22,73,45,3,74,46],[8,53,23,26,54,24],[12,45,15,28,46,16],[3,147,117,10,148,118],[3,73,45,23,74,46],[4,54,24,31,55,25],[11,45,15,31,46,16],[7,146,116,7,147,117],[21,73,45,7,74,46],[1,53,23,37,54,24],[19,45,15,26,46,16],[5,145,115,10,146,116],[19,75,47,10,76,48],[15,54,24,25,55,25],[23,45,15,25,46,16],[13,145,115,3,146,116],[2,74,46,29,75,47],[42,54,24,1,55,25],[23,45,15,28,46,16],[17,145,115],[10,74,46,23,75,47],[10,54,24,35,55,25],[19,45,15,35,46,16],[17,145,115,1,146,116],[14,74,46,21,75,47],[29,54,24,19,55,25],[11,45,15,46,46,16],[13,145,115,6,146,116],[14,74,46,23,75,47],[44,54,24,7,55,25],[59,46,16,1,47,17],[12,151,121,7,152,122],[12,75,47,26,76,48],[39,54,24,14,55,25],[22,45,15,41,46,16],[6,151,121,14,152,122],[6,75,47,34,76,48],[46,54,24,10,55,25],[2,45,15,64,46,16],[17,152,122,4,153,123],[29,74,46,14,75,47],[49,54,24,10,55,25],[24,45,15,46,46,16],[4,152,122,18,153,123],[13,74,46,32,75,47],[48,54,24,14,55,25],[42,45,15,32,46,16],[20,147,117,4,148,118],[40,75,47,7,76,48],[43,54,24,22,55,25],[10,45,15,67,46,16],[19,148,118,6,149,119],[18,75,47,31,76,48],[34,54,24,34,55,25],[20,45,15,61,46,16]],i.getRSBlocks=function(t,e){var r=i.getRsBlockTable(t,e);if(void 0==r)throw new Error("bad rs block @ typeNumber:"+t+"/errorCorrectLevel:"+e);for(var o=r.length/3,n=new Array,a=0;a<o;a++)for(var s=r[3*a+0],u=r[3*a+1],h=r[3*a+2],f=0;f<s;f++)n.push(new i(u,h));return n},i.getRsBlockTable=function(t,e){switch(e){case u.L:return i.RS_BLOCK_TABLE[4*(t-1)+0];case u.M:return i.RS_BLOCK_TABLE[4*(t-1)+1];case u.Q:return i.RS_BLOCK_TABLE[4*(t-1)+2];case u.H:return i.RS_BLOCK_TABLE[4*(t-1)+3];default:return}},a.prototype={get:function(t){var e=Math.floor(t/8);return 1==(this.buffer[e]>>>7-t%8&1)},put:function(t,e){for(var r=0;r<e;r++)this.putBit(1==(t>>>e-r-1&1))},getLengthInBits:function(){return this.length},putBit:function(t){var e=Math.floor(this.length/8);this.buffer.length<=e&&this.buffer.push(0),t&&(this.buffer[e]|=128>>>this.length%8),this.length++}},window.QRCode=o,window.QRErrorCorrectLevel=u;try{t.exports={QRCode:o,QRErrorCorrectLevel:u}}catch(t){}}])});
\ No newline at end of file
diff --git a/docs/scheme.html b/docs/scheme.html
index 8aae3f6..3c621ce 100644
--- a/docs/scheme.html
+++ b/docs/scheme.html
@@ -3,19 +3,24 @@
 <head>
     <meta charset="UTF-8">
     <title>Title</title>
+    <script src="qrcode.js"></script>
 </head>
 <body>
 <div>
     <button><a id="login" href="#"><h1>点击登录跳转学习强国app</h1></a></button>
 </div>
 <div id="wx"></div>
-
+<div id="qrcode">
+    <img id="img" src="#"  alt="#"/>
+</div>
 </body>
 <script>
     function load() {
         let search = window.location.search
         search = search.substring(1,search.length)
         document.getElementById("login").setAttribute("href","dtxuexi://appclient/page/study_feeds?url="+search)
+        let imgBase64 = jrQrcode.getQrBase64(search, {});
+        document.getElementById("img").setAttribute("src",imgBase64)
         document.getElementById("login").click()
     }
     function isWeixin () {