diff --git a/README.md b/README.md
index 45f1ca3b..12c96bef 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 Shuang | 双拼练习
 ----
 
-v5.10 2020.5.5 更新
+v5.11 2021.1.25 更新
 
 ### 许可
 
@@ -21,7 +21,7 @@ v5.10 2020.5.5 更新
     >
     > 小众【常用输入法几乎不内置】：国标双拼 / 小浪双拼 / 大牛双拼
     >
-    > 爱好者【常用输入法不内置】：键道双拼 3 / 键道双拼 6 / 开源小鹳 / 小月双拼 / 韵标块拼
+    > 爱好者【常用输入法不内置】：键道双拼 3 / 键道双拼 6 / 开源小鹳 / 小月双拼 / 韵标块拼 / C 双拼
 
 2. 出题模式说明：
 
diff --git a/build/app.min.js b/build/app.min.js
index 3f990bd9..3142a114 100644
--- a/build/app.min.js
+++ b/build/app.min.js
@@ -1 +1 @@
-"use strict";function _toConsumableArray(b){return _arrayWithoutHoles(b)||_iterableToArray(b)||_unsupportedIterableToArray(b)||_nonIterableSpread()}function _nonIterableSpread(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function _iterableToArray(b){if("undefined"!=typeof Symbol&&Symbol.iterator in Object(b))return Array.from(b)}function _arrayWithoutHoles(b){if(Array.isArray(b))return _arrayLikeToArray(b)}function _createForOfIteratorHelper(b,c){var d;if("undefined"==typeof Symbol||null==b[Symbol.iterator]){if(Array.isArray(b)||(d=_unsupportedIterableToArray(b))||c&&b&&"number"==typeof b.length){d&&(b=d);var e=0,f=function(){};return{s:f,n:function n(){return e>=b.length?{done:!0}:{done:!1,value:b[e++]}},e:function e(b){throw b},f:f}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var g,h=!0,j=!1;return{s:function s(){d=b[Symbol.iterator]()},n:function n(){var b=d.next();return h=b.done,b},e:function e(b){j=!0,g=b},f:function f(){try{h||null==d["return"]||d["return"]()}finally{if(j)throw g}}}}function _classCallCheck(b,c){if(!(b instanceof c))throw new TypeError("Cannot call a class as a function")}function _defineProperties(b,c){for(var d,e=0;e<c.length;e++)d=c[e],d.enumerable=d.enumerable||!1,d.configurable=!0,"value"in d&&(d.writable=!0),Object.defineProperty(b,d.key,d)}function _createClass(b,c,d){return c&&_defineProperties(b.prototype,c),d&&_defineProperties(b,d),b}function _slicedToArray(b,c){return _arrayWithHoles(b)||_iterableToArrayLimit(b,c)||_unsupportedIterableToArray(b,c)||_nonIterableRest()}function _nonIterableRest(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function _unsupportedIterableToArray(b,c){if(b){if("string"==typeof b)return _arrayLikeToArray(b,c);var d=Object.prototype.toString.call(b).slice(8,-1);return"Object"===d&&b.constructor&&(d=b.constructor.name),"Map"===d||"Set"===d?Array.from(b):"Arguments"===d||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(d)?_arrayLikeToArray(b,c):void 0}}function _arrayLikeToArray(b,c){(null==c||c>b.length)&&(c=b.length);for(var d=0,e=Array(c);d<c;d++)e[d]=b[d];return e}function _iterableToArrayLimit(b,c){if("undefined"!=typeof Symbol&&Symbol.iterator in Object(b)){var d=[],e=!0,f=!1,g=void 0;try{for(var h,i=b[Symbol.iterator]();!(e=(h=i.next()).done)&&(d.push(h.value),!(c&&d.length===c));e=!0);}catch(b){f=!0,g=b}finally{try{e||null==i["return"]||i["return"]()}finally{if(f)throw g}}return d}}function _arrayWithHoles(b){if(Array.isArray(b))return b}var Shuang={resource:{dict:{},schemeList:{},scheme:{},emoji:{right:"\u2705",wrong:"\u274E"}},core:{model:{},current:{},order:{shengIndex:0,yunIndex:0},history:[]},app:{setting:{config:{},reload:function reload(){}},staticJS:0,modeList:[],action:{}}},$=document.querySelector.bind(document),$$=document.querySelectorAll.bind(document);function importJS(){var b=0<arguments.length&&arguments[0]!==void 0?arguments[0]:"",c=1<arguments.length&&arguments[1]!==void 0?arguments[1]:function(){Shuang.app.staticJS++};b="build/".concat(b,".min.js");var d=document.createElement("script");Object.assign(d,{src:b,onload:c}),document.body.appendChild(d)}Shuang.resource.dict={"":{a:"\u554A",ai:"\u7231",an:"\u5B89",ang:"\u6602",ao:"\u5965",e:"\u9E45",ei:["\u8BF6"],en:"\u55EF",er:"\u8033",o:"\u54E6",ou:"\u6B27"},b:{a:"\u7238",ai:"\u767D",an:"\u73ED",ang:"\u5E2E",ao:"\u5305",ei:"\u88AB",en:"\u672C",eng:"\u5D29",i:"\u5FC5",ian:"\u53D8",iao:"\u8868",ie:"\u522B",in:"\u5BBE",ing:"\u51B0",o:"\u64AD",u:"\u4E0D"},c:{a:"\u64E6",ai:"\u5F69",an:"\u9910",ang:"\u82CD",ao:"\u8349",e:"\u6D4B",en:["\u5C91"],eng:"\u5C42",i:"\u8BCD",ong:"\u4ECE",ou:"\u51D1",u:"\u7C97",uan:"\u7A9C",ui:"\u50AC",un:"\u6751",uo:"\u9519"},d:{a:"\u5927",ai:"\u4EE3",an:"\u4F46",ang:"\u5F53",ao:"\u5230",e:"\u5FB7",ei:["\u5F97"],eng:"\u7B49",i:"\u5E1D",ia:["\u55F2"],ian:"\u70B9",iao:"\u9493",ie:"\u53E0",ing:"\u9876",iu:"\u4E22",ong:"\u4E1C",ou:"\u6597",u:"\u8BFB",uan:"\u77ED",ui:"\u5BF9",un:"\u987F",uo:"\u591A"},f:{a:"\u6CD5",an:"\u7FFB",ang:"\u65B9",ei:"\u98DE",en:"\u5206",eng:"\u98CE",o:"\u4F5B",ou:["\u5426"],u:"\u670D"},g:{a:["\u65EE"],ai:"\u8BE5",an:"\u5E72",ang:"\u521A",ao:"\u9AD8",e:"\u4E2A",ei:["\u7ED9"],en:"\u8DDF",eng:"\u66F4",ong:"\u516C",ou:"\u72D7",u:"\u8C37",ua:"\u74DC",uai:"\u602A",uan:"\u5173",uang:"\u5149",ui:"\u9B3C",un:"\u6EDA",uo:"\u56FD"},h:{a:"\u54C8",ai:"\u6D77",an:"\u6C49",ang:"\u676D",ao:"\u597D",e:"\u548C",ei:"\u9ED1",en:"\u5F88",eng:"\u6A2A",ong:"\u7EA2",ou:"\u7334",u:"\u80E1",ua:"\u534E",uai:"\u574F",uan:"\u6B22",uang:"\u9EC4",ui:"\u7070",un:"\u660F",uo:"\u706B"},j:{i:"\u673A",ia:"\u5BB6",ian:"\u95F4",iang:"\u6C5F",iao:"\u4EA4",ie:"\u6770",in:"\u91D1",ing:"\u4EAC",iong:"\u7A98",iu:"\u65E7",u:"\u5C45",uan:"\u5377",ue:"\u7EDD",un:"\u519B"},k:{a:["\u5361"],ai:"\u5F00",an:"\u770B",ang:"\u5EB7",ao:"\u9760",e:"\u79D1",en:"\u80AF",eng:"\u5751",ong:"\u7A7A",ou:"\u53E3",u:"\u54ED",ua:"\u5938",uai:"\u5FEB",uan:"\u5BBD",uang:"\u6846",ui:"\u4E8F",un:"\u56F0",uo:"\u9614"},l:{a:"\u62C9",ai:"\u6765",an:"\u84DD",ang:"\u72FC",ao:"\u8001",e:["\u4E50"],ei:"\u7D2F",eng:"\u51B7",i:"\u91CC",ia:["\u4FE9"],ian:"\u8FDE",iang:"\u51C9",iao:"\u804A",ie:"\u5217",in:"\u6797",ing:"\u9886",iu:"\u5218",o:"\u54AF",ong:"\u9F99",ou:"\u697C",u:"\u8DEF",uan:"\u4E71",un:"\u8F6E",uo:"\u7F57",v:"\u7EFF",ve:"\u7565"},m:{a:"\u9A6C",ai:"\u4E70",an:"\u6EE1",ang:"\u5FD9",ao:"\u732B",e:"\u4E48",ei:"\u6CA1",en:"\u95E8",eng:"\u68A6",i:"\u7C73",ian:"\u9762",iao:"\u79D2",ie:"\u706D",in:"\u6C11",ing:"\u660E",iu:"\u8C2C",o:"\u9B54",ou:"\u67D0",u:"\u6728"},n:{a:"\u62FF",ai:"\u4E43",an:"\u5357",ang:"\u56CA",ao:"\u8111",e:["\u5462"],ei:"\u5185",en:"\u5AE9",eng:"\u80FD",i:"\u4F60",ian:"\u5E74",iang:"\u5A18",iao:"\u9E1F",ie:"\u8042",in:"\u60A8",ing:"\u5B81",iu:"\u725B",ong:"\u519C",u:"\u52AA",uan:"\u6696",uo:"\u632A",v:"\u5973",ve:"\u8650"},p:{a:"\u722C",ai:"\u724C",an:"\u6F58",ang:"\u80D6",ao:"\u70AE",ei:"\u914D",en:"\u55B7",eng:"\u9E4F",i:"\u76AE",ian:"\u7247",iao:"\u98D8",ie:"\u6487",in:"\u62FC",ing:"\u51ED",o:"\u7834",ou:"\u5256",u:"\u666E"},q:{i:"\u9F50",ia:"\u6D3D",ian:"\u524D",iang:"\u5899",iao:"\u6865",ie:"\u4E14",in:"\u7434",ing:"\u8F7B",iong:"\u7A77",iu:"\u79CB",u:"\u53BB",uan:"\u5168",ue:"\u786E",un:"\u7FA4"},r:{an:"\u7136",ang:"\u8BA9",ao:"\u7ED5",e:"\u70ED",en:"\u4EC1",eng:"\u4ECD",i:"\u65E5",ong:"\u5BB9",ou:"\u8089",u:"\u5982",uan:"\u8F6F",ui:"\u777F",un:"\u6DA6",uo:"\u82E5"},s:{a:"\u8428",ai:"\u8D5B",an:"\u4F1E",ang:"\u6851",ao:"\u626B",e:"\u8272",en:"\u68EE",eng:"\u50E7",i:"\u53F8",ong:"\u677E",ou:"\u641C",u:"\u82CF",uan:"\u9178",ui:"\u5C81",un:"\u5B59",uo:"\u9501"},t:{a:"\u5B83",ai:"\u53F0",an:"\u8C08",ang:"\u6C64",ao:"\u6D9B",e:"\u7279",eng:"\u75BC",i:"\u4F53",ian:"\u5929",iao:"\u6761",ie:"\u8D34",ing:"\u542C",ong:"\u901A",ou:"\u5934",u:"\u56FE",uan:"\u56E2",ui:"\u63A8",un:"\u541E",uo:"\u62D6"},w:{a:"\u54C7",ai:"\u5916",an:"\u4E07",ang:"\u738B",ei:"\u4E3A",en:"\u6587",eng:"\u7FC1",o:"\u6211",u:"\u65E0"},x:{i:"\u559C",ia:"\u590F",ian:"\u73B0",iang:"\u5411",iao:"\u5C0F",ie:"\u8C22",in:"\u5FC3",ing:"\u661F",iong:"\u5144",iu:"\u79C0",u:"\u5F90",uan:"\u9009",ue:"\u5B66",un:"\u5BFB"},y:{a:"\u538B",an:"\u71D5",ang:"\u7F8A",ao:"\u836F",e:"\u9875",i:"\u4EE5",in:"\u97F3",ing:"\u8D62",o:"\u54DF",ong:"\u7528",ou:"\u6709",u:"\u4E0E",uan:"\u5143",ue:"\u6708",un:"\u4E91"},z:{a:"\u548B",ai:"\u5728",an:"\u8D5E",ang:"\u810F",ao:"\u9020",e:"\u5219",ei:"\u8D3C",en:"\u600E",eng:"\u589E",i:"\u5B50",ong:"\u5B97",ou:"\u8D70",u:"\u7EC4",uan:"\u94BB",ui:"\u6700",un:"\u9075",uo:"\u505A"},ch:{a:"\u8336",ai:"\u62C6",an:"\u4EA7",ang:"\u573A",ao:"\u8D85",e:"\u8F66",en:"\u9648",eng:"\u6210",i:"\u5403",ong:"\u5145",ou:"\u4E11",u:"\u51FA",ua:["\u6B3B"],uai:"\u8E39",uan:"\u7A7F",uang:"\u5E8A",ui:"\u5439",un:"\u7EAF",uo:"\u6233"},sh:{a:"\u6C99",ai:"\u6652",an:"\u5C71",ang:"\u4E0A",ao:"\u5C11",e:"\u8BBE",en:"\u6DF1",eng:"\u751F",i:"\u662F",ou:"\u6536",u:"\u4E66",ua:"\u5237",uai:"\u5E05",uan:"\u6813",uang:"\u53CC",ui:"\u6C34",un:"\u987A",uo:"\u8BF4"},zh:{a:"\u70B8",ai:"\u6458",an:"\u5360",ang:"\u5F20",ao:"\u8D75",e:"\u8005",en:"\u771F",eng:"\u6B63",i:"\u4E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c=_slicedToArray(b,2),d=c[0],e=c[1];return Shuang.resource.dict[d].list=Object.keys(e)}),Shuang.resource.dict.list=Object.keys(Shuang.resource.dict),Shuang.resource.schemeList={ziranma:"\u81EA\u7136\u7801",sougou:"\u641C\u72D7\u53CC\u62FC",weiruan:"\u5FAE\u8F6F\u53CC\u62FC",xiaohe:"\u5C0F\u9E64\u53CC\u62FC",zhinengabc:"\u667A\u80FDABC",pinyinjiajia:"\u62FC\u97F3\u52A0\u52A0",ziguang:"\u7D2B\u5149\u53CC\u62FC",guobiao:"\u56FD\u6807\u53CC\u62FC*",xiaolang:"\u5C0F\u6D6A\u53CC\u62FC*",daniu:"\u5927\u725B\u53CC\u62FC*",jiandao3:"\u952E\u9053\u53CC\u62FC3**",jiandao6:"\u952E\u9053\u53CC\u62FC6**",xiaoguan:"\u5F00\u6E90\u5C0F\u9E73**",xiaoyue:"\u5C0F\u6708\u53CC\u62FC**",yunbiaokuaipin:"\u97F5\u6807\u5757\u62FC**",c:"C\u53CC\u62FC**"},Shuang.app.modeList={"all-random":{name:"\u5168\u90E8\u968F\u673A",desc:"\u5168\u90E8\u62FC\u97F3\u7EC4\u5408"},"all-order":{name:"\u5168\u90E8\u987A\u5E8F",desc:"\u5168\u90E8\u62FC\u97F3\u7EC4\u5408"},"hard-random":{name:"\u56F0\u96BE\u968F\u673A",desc:"\u97F5\u6BCD\u9700\u8F6C\u6362"},"hard-random-without-pinyin":{name:"\u65E0\u62FC\u97F3",desc:"\u65E0\u62FC\u97F3\u63D0\u793A"}},Shuang.core.model=function(){function b(){var c=0<arguments.length&&void 0!==arguments[0]?arguments[0]:"",d=1<arguments.length&&void 0!==arguments[1]?arguments[1]:"";_classCallCheck(this,b),this.sheng=c.toLowerCase(),this.yun=d.toLowerCase(),this.dict=Shuang.resource.dict[this.sheng][this.yun],this.scheme=new Set,this.view={sheng:this.sheng.toUpperCase().slice(0,1)+this.sheng.slice(1),yun:this.yun}}return _createClass(b,[{key:"beforeJudge",value:function beforeJudge(){var b=this;this.scheme.clear();var c=Shuang.app.setting.config.scheme,d=Shuang.resource.scheme[c].detail,e=this.sheng+this.yun;if(d.other[e])Array.isArray(d.other[e])?d.other[e].forEach(function(c){return b.scheme.add(c)}):this.scheme.add(d.other[e]);else{var f,g=_createForOfIteratorHelper(d.sheng[this.sheng]);try{for(g.s();!(f=g.n()).done;){var h,i=f.value,j=_createForOfIteratorHelper(d.yun[this.yun]);try{for(j.s();!(h=j.n()).done;){var p=h.value;this.scheme.add(i+p)}}catch(b){j.e(b)}finally{j.f()}}}catch(b){g.e(b)}finally{g.f()}if("u"===this.yun&&"jqxy".includes(this.sheng)){var k,l=_createForOfIteratorHelper(d.sheng[this.sheng]);try{for(l.s();!(k=l.n()).done;){var m,n=k.value,o=_createForOfIteratorHelper(d.yun.v);try{for(o.s();!(m=o.n()).done;){var q=m.value;this.scheme.add(n+q)}}catch(b){o.e(b)}finally{o.f()}}}catch(b){l.e(b)}finally{l.f()}}}}},{key:"judge",value:function judge(){var b=0<arguments.length&&void 0!==arguments[0]?arguments[0]:"",c=1<arguments.length&&void 0!==arguments[1]?arguments[1]:"";return this.beforeJudge(),this.scheme.has(b.toLowerCase()+c.toLowerCase())}}],[{key:"getRandom",value:function getRandom(){var c=Math.floor,d=Shuang.resource.dict.list[c(Math.random()*Shuang.resource.dict.list.length)],e=Shuang.resource.dict[d].list[c(Math.random()*Shuang.resource.dict[d].list.length)],f=new b(d,e);return b.isSame(f,Shuang.core.current)?b.getRandom():f}},{key:"getHardRandom",value:function getHardRandom(){var c;do c=b.getRandom();while(""===c.sheng||1===c.yun.length);return c}},{key:"getByOrder",value:function getByOrder(){for(;;){var c=Shuang.resource.dict.list[Shuang.core.order.shengIndex];if(void 0!==c){var d=Shuang.resource.dict[c].list[Shuang.core.order.yunIndex];if(d)return Shuang.core.order.yunIndex++,new b(c,d)}0===Shuang.core.order.yunIndex?Shuang.core.order.shengIndex=0:(Shuang.core.order.shengIndex++,Shuang.core.order.yunIndex=0)}}},{key:"isSame",value:function isSame(c,d){return c.sheng===d.sheng&&c.yun===d.yun}}]),b}(),Shuang.app.setting={config:{},reload:function reload(){this.config={scheme:readStorage("scheme")||"ziranma",mode:readStorage("mode")||"all-random",showPic:readStorage("showPic")||"true",darkMode:readStorage("darkMode")||detectDarkMode().toString(),autoNext:readStorage("autoNext")||"true",autoClear:readStorage("autoClear")||"true",showKeys:readStorage("showKeys")||"true"};var b=this.config,c=b.scheme,d=b.mode,e=b.showPic,f=b.darkMode,g=b.autoNext,h=b.autoClear,i=b.showKeys;Array.prototype.find.call($("#scheme-select").children,function(b){return Shuang.resource.schemeList[c].startsWith(b.innerText)}).selected=!0,$("#mode-select")[Object.keys(Shuang.app.modeList).indexOf(d)].selected=!0,$("#pic-switcher").checked="true"===e,$("#dark-mode-switcher").checked="true"===f,$("#auto-next-switcher").checked="true"===g,$("#auto-clear-switcher").checked="true"===h,$("#show-keys").checked="true"===i,this.setScheme(Shuang.resource.schemeList[c],!1),this.setMode(Shuang.app.modeList[d].name),this.setPicVisible(e),this.setDarkMode(f),this.setAutoNext(g),this.setAutoClear(h),this.setShowKeys(i)},setScheme:function setScheme(b){var c=this,d=!(1<arguments.length&&arguments[1]!==void 0)||arguments[1];this.config.scheme=Object.keys(Shuang.resource.schemeList)[Object.values(Shuang.resource.schemeList).findIndex(function(c){return c.startsWith(b)})],importJS("scheme/"+this.config.scheme,function(){d&&Shuang.app.action.next(),Shuang.core.current.beforeJudge(),c.updateKeysHint(),c.updateTips()}),writeStorage("scheme",this.config.scheme)},setMode:function setMode(b){Shuang.core.history=[];for(var c=0,d=Object.entries(Shuang.app.modeList);c<d.length;c++){var e=_slicedToArray(d[c],2),f=e[0],g=e[1].name;if(g===b){this.config.mode=f,$("#mode-desc").innerText=Shuang.app.modeList[f].desc,$("#q").style.display="hard-random-without-pinyin"===f?"none":"block";break}}writeStorage("mode",this.config.mode)},setPicVisible:function setPicVisible(b){this.config.showPic=b.toString(),"false"===this.config.showPic?$("#keyboard").style.display="none":"true"===this.config.showPic&&($("#keyboard").style.display="block"),writeStorage("showPic",this.config.showPic)},setDarkMode:function setDarkMode(b){this.config.darkMode=b.toString(),"true"===this.config.darkMode?$("body").setAttribute("class","dark-mode"):"false"===this.config.darkMode&&$("body").setAttribute("class",""),writeStorage("darkMode",this.config.darkMode)},setAutoNext:function setAutoNext(b){this.config.autoNext=b.toString(),writeStorage("autoNext",this.config.autoNext)},setAutoClear:function setAutoClear(b){this.config.autoClear=b.toString(),writeStorage("autoClear",this.config.autoClear)},setShowKeys:function setShowKeys(b){this.config.showKeys=b.toString(),writeStorage("showKeys",this.config.showKeys),this.updateKeysHint()},updateKeysHint:function updateKeysHint(){var b=$$(".key");if(b.forEach(function(b){return b.style.visibility="hidden"}),"false"!==this.config.showKeys){var c,d=_createForOfIteratorHelper(Shuang.core.current.scheme);try{for(d.s();!(c=d.n()).done;){var e=_slicedToArray(c.value,2),f=e[0],g=e[1];b["qwertyuiopasdfghjkl;zxcvbnm".indexOf(f)].style.visibility="visible",b["qwertyuiopasdfghjkl;zxcvbnm".indexOf(g)].style.visibility="visible"}}catch(b){d.e(b)}finally{d.f()}this.updateKeysHintLayoutRatio()}},updateKeysHintLayoutRatio:function updateKeysHintLayoutRatio(){var b=740,c=300,d=30,e=0,f=window.outerWidth/b;window.outerWidth>b?f=1:window.outerWidth<310&&(f=310/b,e=window.outerWidth>c?(310-window.outerWidth)/(310-c)*d:d),$(".keys").style.zoom=f,$(".keys").style.left=e+"px"},updateTips:function updateTips(){var b=$("#tips");b.innerHTML="";var c=Shuang.resource.scheme[this.config.scheme];if(c.tips){var d,e=Array.isArray(c.tips)?c.tips:[c.tips],f=_createForOfIteratorHelper(e);try{for(f.s();!(d=f.n()).done;){var g=d.value,h=document.createElement("div");h.className="line",h.innerHTML=g,b.appendChild(h)}}catch(b){f.e(b)}finally{f.f()}}$("#pic").setAttribute("src","img/".concat(this.config.scheme,".png"))}};function detectDarkMode(){return!!(window.matchMedia&&window.matchMedia("(prefers-color-scheme: dark)").matches)||!!(6>new Date().getHours()||22<new Date().getHours())}function readStorage(){var b=0<arguments.length&&arguments[0]!==void 0?arguments[0]:"";return localStorage.getItem(b)}function writeStorage(){var b=0<arguments.length&&arguments[0]!==void 0?arguments[0]:"",c=1<arguments.length&&arguments[1]!==void 0?arguments[1]:"";localStorage.setItem(b,c)}Shuang.app.action={init:function init(){var c=this;function b(b,c,d){c.forEach(function(c){var d=document.createElement("option");c.disabled&&d.setAttribute("disabled","disabled"),d.innerText=c.text||c,b.appendChild(d)}),b.onchange=function(b){d(b.target.value)}}navigator&&navigator.userAgent&&/Windows|Linux/.test(navigator.userAgent)&&(Shuang.resource.emoji={right:"\u2714\uFE0F",wrong:"\u274C"});var d=Object.values(Shuang.resource.schemeList),e={common:d.filter(function(b){return!b.endsWith("*")}),uncommon:d.filter(function(b){return b.endsWith("*")&&!b.endsWith("**")}).map(function(b){return b.slice(0,-1)}),rare:d.filter(function(b){return b.endsWith("**")}).map(function(b){return b.slice(0,-2)})},f=[{disabled:!0,text:"\u5E38\u89C1"}].concat(_toConsumableArray(e.common),[{disabled:!0,text:"\u5C0F\u4F17"}],_toConsumableArray(e.uncommon),[{disabled:!0,text:"\u7231\u597D\u8005"}],_toConsumableArray(e.rare));b($("#scheme-select"),f,function(b){Shuang.app.setting.setScheme(b)}),b($("#mode-select"),Object.values(Shuang.app.modeList).map(function(b){return b.name}),function(b){Shuang.app.setting.setMode(b),c.next()}),Shuang.core.current=new Shuang.core.model("sh","uang"),$("#q").innerText=Shuang.core.current.view.sheng+Shuang.core.current.view.yun,$("#dict").innerText=Shuang.core.current.dict,Shuang.app.setting.reload(),document.addEventListener("keydown",function(b){["Escape","Tab","Enter","Space"].includes(b.code)&&b.preventDefault()}),document.addEventListener("keyup",function(b){c.keyPressed(b)}),$("#pic-switcher").addEventListener("change",function(b){Shuang.app.setting.setPicVisible(b.target.checked)}),$("#dark-mode-switcher").addEventListener("change",function(b){Shuang.app.setting.setDarkMode(b.target.checked)}),$("#auto-next-switcher").addEventListener("change",function(b){Shuang.app.setting.setAutoNext(b.target.checked)}),$("#auto-clear-switcher").addEventListener("change",function(b){Shuang.app.setting.setAutoClear(b.target.checked)}),$("#show-keys").addEventListener("change",function(b){Shuang.app.setting.setShowKeys(b.target.checked)}),$(".pay-name#alipay").addEventListener("mouseover",function(){Shuang.app.action.qrShow("alipay-qr")}),$("#alipay-qr").addEventListener("click",function(b){Shuang.app.action.qrHide(b.target)}),$("#alipay-qr").addEventListener("mouseout",function(b){Shuang.app.action.qrHide(b.target)}),$(".pay-name#wxpay").addEventListener("mouseover",function(){Shuang.app.action.qrShow("wxpay-qr")}),$("#wxpay-qr").addEventListener("click",function(b){Shuang.app.action.qrHide(b.target)}),$("#wxpay-qr").addEventListener("mouseout",function(b){Shuang.app.action.qrHide(b.target)}),$("#wx-name").addEventListener("mouseover",function(){Shuang.app.action.qrShow("wx-qr")}),$("#wx-qr").addEventListener("click",function(b){Shuang.app.action.qrHide(b.target)}),$("#wx-qr").addEventListener("mouseout",function(b){Shuang.app.action.qrHide(b.target)}),$("#dict").addEventListener("click",function(){Shuang.core.current.beforeJudge(),$("#a").value=Shuang.core.current.scheme.values().next().value,c.judge()}),window.addEventListener("resize",Shuang.app.setting.updateKeysHintLayoutRatio),window.resizeTo(window.outerWidth,window.outerHeight),this.redo()},keyPressed:function keyPressed(b){switch(b.code){case"Escape":this.redo();break;case"Tab":Shuang.core.current.beforeJudge(),$("#a").value=Shuang.core.current.scheme.values().next().value,this.judge();break;case"Enter":case"Space":this.judge()?this.next():this.redo();break;default:$("#a").value=$("#a").value.slice(0,2).replace(/[^a-zA-Z;]/g,"");var c=2===a.value.length,d=this.judge();c&&(d&&"true"===Shuang.app.setting.config.autoNext?this.next():!d&&"true"===Shuang.app.setting.config.autoClear&&this.redo());}},judge:function judge(){var b=$("#a"),c=$("#btn"),d=_slicedToArray(b.value,2),e=d[0],f=d[1];return f&&Shuang.core.current.judge(e,f)?(c.onclick=this.next.bind(this),c.innerText=Shuang.resource.emoji.right,!0):(c.onclick=this.redo.bind(this),c.innerText=Shuang.resource.emoji.wrong,!1)},redo:function redo(){$("#a").value="",$("#a").focus(),$("#btn").onclick=this.redo.bind(this),$("#btn").innerText=Shuang.resource.emoji.wrong},next:function next(){switch(this.redo(),Shuang.app.setting.config.mode){case"all-random":Shuang.core.current=Shuang.core.model.getRandom();break;case"all-order":Shuang.core.current=Shuang.core.model.getByOrder();break;case"hard-random":Shuang.core.current=Shuang.core.model.getHardRandom();break;case"hard-random-without-pinyin":do Shuang.core.current=Shuang.core.model.getHardRandom();while(Array.isArray(Shuang.core.current.dict));}Shuang.core.history.includes(Shuang.core.current.sheng+Shuang.core.current.yun)?this.next():Shuang.core.history=[].concat(_toConsumableArray(Shuang.core.history),[Shuang.core.current.sheng+Shuang.core.current.yun]).slice(-100),$("#q").innerText=Shuang.core.current.view.sheng+Shuang.core.current.view.yun,$("#dict").innerText=Shuang.core.current.dict,Shuang.core.current.beforeJudge(),Shuang.app.setting.updateKeysHint()},qrShow:function qrShow(b){$("#"+b).style.display="block"},qrHide:function qrHide(b){b.style.display="none"}},Shuang.app.action.init();
\ No newline at end of file
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_unsupportedIterableToArray(b,c){if(b){if("string"==typeof b)return _arrayLikeToArray(b,c);var d=Object.prototype.toString.call(b).slice(8,-1);return"Object"===d&&b.constructor&&(d=b.constructor.name),"Map"===d||"Set"===d?Array.from(b):"Arguments"===d||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(d)?_arrayLikeToArray(b,c):void 0}}function _arrayLikeToArray(b,c){(null==c||c>b.length)&&(c=b.length);for(var d=0,e=Array(c);d<c;d++)e[d]=b[d];return e}function _iterableToArrayLimit(b,c){if("undefined"!=typeof Symbol&&Symbol.iterator in Object(b)){var d=[],e=!0,f=!1,g=void 0;try{for(var h,i=b[Symbol.iterator]();!(e=(h=i.next()).done)&&(d.push(h.value),!(c&&d.length===c));e=!0);}catch(b){f=!0,g=b}finally{try{e||null==i["return"]||i["return"]()}finally{if(f)throw g}}return d}}function _arrayWithHoles(b){if(Array.isArray(b))return b}var Shuang={resource:{dict:{},schemeList:{},scheme:{},emoji:{right:"\u2705",wrong:"\u274E"}},core:{model:{},current:{},order:{shengIndex:0,yunIndex:0},history:[]},app:{setting:{config:{},reload:function reload(){}},staticJS:0,modeList:[],action:{}}},$=document.querySelector.bind(document),$$=document.querySelectorAll.bind(document);function importJS(){var b=0<arguments.length&&arguments[0]!==void 0?arguments[0]:"",c=1<arguments.length&&arguments[1]!==void 0?arguments[1]:function(){Shuang.app.staticJS++};b="build/".concat(b,".min.js");var 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c=_slicedToArray(b,2),d=c[0],e=c[1];return Shuang.resource.dict[d].list=Object.keys(e)}),Shuang.resource.dict.list=Object.keys(Shuang.resource.dict),Shuang.resource.schemeList={ziranma:"\u81EA\u7136\u7801",sougou:"\u641C\u72D7\u53CC\u62FC",weiruan:"\u5FAE\u8F6F\u53CC\u62FC",xiaohe:"\u5C0F\u9E64\u53CC\u62FC",zhinengabc:"\u667A\u80FDABC",pinyinjiajia:"\u62FC\u97F3\u52A0\u52A0",ziguang:"\u7D2B\u5149\u53CC\u62FC",guobiao:"\u56FD\u6807\u53CC\u62FC*",xiaolang:"\u5C0F\u6D6A\u53CC\u62FC*",daniu:"\u5927\u725B\u53CC\u62FC*",jiandao3:"\u952E\u9053\u53CC\u62FC3**",jiandao6:"\u952E\u9053\u53CC\u62FC6**",xiaoguan:"\u5F00\u6E90\u5C0F\u9E73**",xiaoyue:"\u5C0F\u6708\u53CC\u62FC**",yunbiaokuaipin:"\u97F5\u6807\u5757\u62FC**",c:"C\u53CC\u62FC**"},Shuang.app.modeList={"all-random":{name:"\u5168\u90E8\u968F\u673A",desc:"\u5168\u90E8\u62FC\u97F3\u7EC4\u5408"},"all-order":{name:"\u5168\u90E8\u987A\u5E8F",desc:"\u5168\u90E8\u62FC\u97F3\u7EC4\u5408"},"hard-random":{name:"\u56F0\u96BE\u968F\u673A",desc:"\u97F5\u6BCD\u9700\u8F6C\u6362"},"hard-random-without-pinyin":{name:"\u65E0\u62FC\u97F3",desc:"\u65E0\u62FC\u97F3\u63D0\u793A"}},Shuang.core.model=function(){function b(){var c=0<arguments.length&&void 0!==arguments[0]?arguments[0]:"",d=1<arguments.length&&void 0!==arguments[1]?arguments[1]:"";_classCallCheck(this,b),this.sheng=c.toLowerCase(),this.yun=d.toLowerCase(),this.dict=Shuang.resource.dict[this.sheng][this.yun],this.scheme=new Set,this.view={sheng:this.sheng.toUpperCase().slice(0,1)+this.sheng.slice(1),yun:this.yun}}return _createClass(b,[{key:"beforeJudge",value:function beforeJudge(){var b=this;this.scheme.clear();var c=Shuang.app.setting.config.scheme,d=Shuang.resource.scheme[c].detail,e=this.sheng+this.yun;if(d.other[e])Array.isArray(d.other[e])?d.other[e].forEach(function(c){return b.scheme.add(c)}):this.scheme.add(d.other[e]);else{var f,g=_createForOfIteratorHelper(d.sheng[this.sheng]);try{for(g.s();!(f=g.n()).done;){var h,i=f.value,j=_createForOfIteratorHelper(d.yun[this.yun]);try{for(j.s();!(h=j.n()).done;){var p=h.value;this.scheme.add(i+p)}}catch(b){j.e(b)}finally{j.f()}}}catch(b){g.e(b)}finally{g.f()}if("u"===this.yun&&"jqxy".includes(this.sheng)){var k,l=_createForOfIteratorHelper(d.sheng[this.sheng]);try{for(l.s();!(k=l.n()).done;){var m,n=k.value,o=_createForOfIteratorHelper(d.yun.v);try{for(o.s();!(m=o.n()).done;){var q=m.value;this.scheme.add(n+q)}}catch(b){o.e(b)}finally{o.f()}}}catch(b){l.e(b)}finally{l.f()}}}}},{key:"judge",value:function judge(){var b=0<arguments.length&&void 0!==arguments[0]?arguments[0]:"",c=1<arguments.length&&void 0!==arguments[1]?arguments[1]:"";return this.beforeJudge(),this.scheme.has(b.toLowerCase()+c.toLowerCase())}}],[{key:"getRandom",value:function getRandom(){var c=Math.floor,d=Shuang.resource.dict.list[c(Math.random()*Shuang.resource.dict.list.length)],e=Shuang.resource.dict[d].list[c(Math.random()*Shuang.resource.dict[d].list.length)],f=new b(d,e);return b.isSame(f,Shuang.core.current)?b.getRandom():f}},{key:"getHardRandom",value:function getHardRandom(){var c;do c=b.getRandom();while(""===c.sheng||1===c.yun.length);return c}},{key:"getByOrder",value:function getByOrder(){for(;;){var c=Shuang.resource.dict.list[Shuang.core.order.shengIndex];if(void 0!==c){var d=Shuang.resource.dict[c].list[Shuang.core.order.yunIndex];if(d)return Shuang.core.order.yunIndex++,new b(c,d)}0===Shuang.core.order.yunIndex?Shuang.core.order.shengIndex=0:(Shuang.core.order.shengIndex++,Shuang.core.order.yunIndex=0)}}},{key:"isSame",value:function isSame(c,d){return c.sheng===d.sheng&&c.yun===d.yun}}]),b}(),Shuang.app.setting={config:{},reload:function reload(){this.config={scheme:readStorage("scheme")||"ziranma",mode:readStorage("mode")||"all-random",showPic:readStorage("showPic")||"true",darkMode:readStorage("darkMode")||detectDarkMode().toString(),autoNext:readStorage("autoNext")||"true",autoClear:readStorage("autoClear")||"true",showKeys:readStorage("showKeys")||"true"};var b=this.config,c=b.scheme,d=b.mode,e=b.showPic,f=b.darkMode,g=b.autoNext,h=b.autoClear,i=b.showKeys;Array.prototype.find.call($("#scheme-select").children,function(b){return Shuang.resource.schemeList[c].startsWith(b.innerText)}).selected=!0,$("#mode-select")[Object.keys(Shuang.app.modeList).indexOf(d)].selected=!0,$("#pic-switcher").checked="true"===e,$("#dark-mode-switcher").checked="true"===f,$("#auto-next-switcher").checked="true"===g,$("#auto-clear-switcher").checked="true"===h,$("#show-keys").checked="true"===i,this.setScheme(Shuang.resource.schemeList[c],!1),this.setMode(Shuang.app.modeList[d].name),this.setPicVisible(e),this.setDarkMode(f),this.setAutoNext(g),this.setAutoClear(h),this.setShowKeys(i)},setScheme:function setScheme(b){var c=this,d=!(1<arguments.length&&arguments[1]!==void 0)||arguments[1];this.config.scheme=Object.keys(Shuang.resource.schemeList)[Object.values(Shuang.resource.schemeList).findIndex(function(c){return c.startsWith(b)})],importJS("scheme/"+this.config.scheme,function(){d&&Shuang.app.action.next(),Shuang.core.current.beforeJudge(),c.updateKeysHint(),c.updateTips()}),writeStorage("scheme",this.config.scheme)},setMode:function setMode(b){Shuang.core.history=[];for(var c=0,d=Object.entries(Shuang.app.modeList);c<d.length;c++){var e=_slicedToArray(d[c],2),f=e[0],g=e[1].name;if(g===b){this.config.mode=f,$("#mode-desc").innerText=Shuang.app.modeList[f].desc,$("#q").style.display="hard-random-without-pinyin"===f?"none":"block";break}}writeStorage("mode",this.config.mode)},setPicVisible:function setPicVisible(b){this.config.showPic=b.toString(),"false"===this.config.showPic?$("#keyboard").style.display="none":"true"===this.config.showPic&&($("#keyboard").style.display="block"),writeStorage("showPic",this.config.showPic)},setDarkMode:function setDarkMode(b){this.config.darkMode=b.toString(),"true"===this.config.darkMode?$("body").setAttribute("class","dark-mode"):"false"===this.config.darkMode&&$("body").setAttribute("class",""),writeStorage("darkMode",this.config.darkMode)},setAutoNext:function setAutoNext(b){this.config.autoNext=b.toString(),writeStorage("autoNext",this.config.autoNext)},setAutoClear:function setAutoClear(b){this.config.autoClear=b.toString(),writeStorage("autoClear",this.config.autoClear)},setShowKeys:function setShowKeys(b){this.config.showKeys=b.toString(),writeStorage("showKeys",this.config.showKeys),this.updateKeysHint()},updateKeysHint:function updateKeysHint(){var b,c=$$(".key"),d=_createForOfIteratorHelper(c);try{for(d.s();!(b=d.n()).done;){var j=b.value;j.style.visibility="hidden"}}catch(b){d.e(b)}finally{d.f()}if("false"!==this.config.showKeys){var e,f=_createForOfIteratorHelper(Shuang.core.current.scheme);try{for(f.s();!(e=f.n()).done;){var g=_slicedToArray(e.value,2),h=g[0],i=g[1];c["qwertyuiopasdfghjkl;zxcvbnm".indexOf(h)].style.visibility="visible",c["qwertyuiopasdfghjkl;zxcvbnm".indexOf(i)].style.visibility="visible"}}catch(b){f.e(b)}finally{f.f()}this.updateKeysHintLayoutRatio()}},updateKeysHintLayoutRatio:function updateKeysHintLayoutRatio(){var b=750,c=300,d=30,e=0,f=window.outerWidth/b;window.outerWidth>b?f=1:window.outerWidth<310&&(f=310/b,e=window.outerWidth>c?(310-window.outerWidth)/(310-c)*d:d),$(".keys").style.zoom=f,$(".keys").style.left=e+"px"},updateTips:function updateTips(){var b=$("#tips");b.innerHTML="";var c=Shuang.resource.scheme[this.config.scheme];if(c.tips){var d,e=Array.isArray(c.tips)?c.tips:[c.tips],f=_createForOfIteratorHelper(e);try{for(f.s();!(d=f.n()).done;){var g=d.value,h=document.createElement("div");h.className="line",h.innerHTML=g,b.appendChild(h)}}catch(b){f.e(b)}finally{f.f()}}$("#pic").setAttribute("src","img/".concat(this.config.scheme,".png"))}};function detectDarkMode(){return!!(window.matchMedia&&window.matchMedia("(prefers-color-scheme: dark)").matches)||!!(6>new Date().getHours()||22<new Date().getHours())}function readStorage(){var b=0<arguments.length&&arguments[0]!==void 0?arguments[0]:"";return localStorage.getItem(b)}function writeStorage(){var b=0<arguments.length&&arguments[0]!==void 0?arguments[0]:"",c=1<arguments.length&&arguments[1]!==void 0?arguments[1]:"";localStorage.setItem(b,c)}Shuang.app.action={init:function init(){var c=this;function b(b,c,d){c.forEach(function(c){var d=document.createElement("option");c.disabled&&d.setAttribute("disabled","disabled"),d.innerText=c.text||c,b.appendChild(d)}),b.onchange=function(b){d(b.target.value)}}navigator&&navigator.userAgent&&/Windows|Linux/.test(navigator.userAgent)&&(Shuang.resource.emoji={right:"\u2714\uFE0F",wrong:"\u274C"});var d=Object.values(Shuang.resource.schemeList),e={common:d.filter(function(b){return!b.endsWith("*")}),uncommon:d.filter(function(b){return b.endsWith("*")&&!b.endsWith("**")}).map(function(b){return b.slice(0,-1)}),rare:d.filter(function(b){return b.endsWith("**")}).map(function(b){return b.slice(0,-2)})},f=[{disabled:!0,text:"\u5E38\u89C1"}].concat(_toConsumableArray(e.common),[{disabled:!0,text:"\u5C0F\u4F17"}],_toConsumableArray(e.uncommon),[{disabled:!0,text:"\u7231\u597D\u8005"}],_toConsumableArray(e.rare));b($("#scheme-select"),f,function(b){Shuang.app.setting.setScheme(b)}),b($("#mode-select"),Object.values(Shuang.app.modeList).map(function(b){return b.name}),function(b){Shuang.app.setting.setMode(b),c.next()}),Shuang.core.current=new Shuang.core.model("sh","uang"),$("#q").innerText=Shuang.core.current.view.sheng+Shuang.core.current.view.yun,$("#dict").innerText=Shuang.core.current.dict,Shuang.app.setting.reload(),document.addEventListener("keydown",function(b){["Escape","Tab","Enter","Space"].includes(b.code)&&b.preventDefault()}),document.addEventListener("keyup",function(b){c.keyPressed(b)}),$("#pic-switcher").addEventListener("change",function(b){Shuang.app.setting.setPicVisible(b.target.checked)}),$("#dark-mode-switcher").addEventListener("change",function(b){Shuang.app.setting.setDarkMode(b.target.checked)}),$("#auto-next-switcher").addEventListener("change",function(b){Shuang.app.setting.setAutoNext(b.target.checked)}),$("#auto-clear-switcher").addEventListener("change",function(b){Shuang.app.setting.setAutoClear(b.target.checked)}),$("#show-keys").addEventListener("change",function(b){Shuang.app.setting.setShowKeys(b.target.checked)}),$(".pay-name#alipay").addEventListener("mouseover",function(){Shuang.app.action.qrShow("alipay-qr")}),$("#alipay-qr").addEventListener("click",function(b){Shuang.app.action.qrHide(b.target)}),$("#alipay-qr").addEventListener("mouseout",function(b){Shuang.app.action.qrHide(b.target)}),$(".pay-name#wxpay").addEventListener("mouseover",function(){Shuang.app.action.qrShow("wxpay-qr")}),$("#wxpay-qr").addEventListener("click",function(b){Shuang.app.action.qrHide(b.target)}),$("#wxpay-qr").addEventListener("mouseout",function(b){Shuang.app.action.qrHide(b.target)}),$("#wx-name").addEventListener("mouseover",function(){Shuang.app.action.qrShow("wx-qr")}),$("#wx-qr").addEventListener("click",function(b){Shuang.app.action.qrHide(b.target)}),$("#wx-qr").addEventListener("mouseout",function(b){Shuang.app.action.qrHide(b.target)}),$("#dict").addEventListener("click",function(){Shuang.core.current.beforeJudge(),$("#a").value=Shuang.core.current.scheme.values().next().value,c.judge()}),window.addEventListener("resize",Shuang.app.setting.updateKeysHintLayoutRatio),window.resizeTo(window.outerWidth,window.outerHeight),this.redo()},keyPressed:function keyPressed(b){switch(b.code){case"Escape":this.redo();break;case"Tab":Shuang.core.current.beforeJudge(),$("#a").value=Shuang.core.current.scheme.values().next().value,this.judge();break;case"Enter":case"Space":this.judge()?this.next():this.redo();break;default:$("#a").value=$("#a").value.slice(0,2).replace(/[^a-zA-Z;]/g,"");var c=2===a.value.length,d=this.judge();c&&(d&&"true"===Shuang.app.setting.config.autoNext?this.next():!d&&"true"===Shuang.app.setting.config.autoClear&&this.redo());}},judge:function judge(){var b=$("#a"),c=$("#btn"),d=_slicedToArray(b.value,2),e=d[0],f=d[1];return f&&Shuang.core.current.judge(e,f)?(c.onclick=this.next.bind(this),c.innerText=Shuang.resource.emoji.right,!0):(c.onclick=this.redo.bind(this),c.innerText=Shuang.resource.emoji.wrong,!1)},redo:function redo(){$("#a").value="",$("#a").focus(),$("#btn").onclick=this.redo.bind(this),$("#btn").innerText=Shuang.resource.emoji.wrong},next:function next(){switch(this.redo(),Shuang.app.setting.config.mode){case"all-random":Shuang.core.current=Shuang.core.model.getRandom();break;case"all-order":Shuang.core.current=Shuang.core.model.getByOrder();break;case"hard-random":Shuang.core.current=Shuang.core.model.getHardRandom();break;case"hard-random-without-pinyin":do Shuang.core.current=Shuang.core.model.getHardRandom();while(Array.isArray(Shuang.core.current.dict));}Shuang.core.history.includes(Shuang.core.current.sheng+Shuang.core.current.yun)?this.next():Shuang.core.history=[].concat(_toConsumableArray(Shuang.core.history),[Shuang.core.current.sheng+Shuang.core.current.yun]).slice(-100),$("#q").innerText=Shuang.core.current.view.sheng+Shuang.core.current.view.yun,$("#dict").innerText=Shuang.core.current.dict,Shuang.core.current.beforeJudge(),Shuang.app.setting.updateKeysHint()},qrShow:function qrShow(b){$("#"+b).style.display="block"},qrHide:function qrHide(b){b.style.display="none"}},Shuang.app.action.init();
\ No newline at end of file
diff --git a/build/scheme/c.min.js b/build/scheme/c.min.js
index cd8bad9e..d60fbeaf 100644
--- a/build/scheme/c.min.js
+++ b/build/scheme/c.min.js
@@ -1 +1 @@
-"use strict";Shuang.resource.scheme.c={id:"c",name:"C\u53CC\u62FC",tips:["\u5E38\u7528\u8F93\u5165\u6CD5\u51E0\u4E4E\u4E0D\u5185\u7F6E"],detail:{sheng:{},yun:{},other:{fa:"fj",bang:"bm",bei:"b;",ji:"jd",bin:"bk",cou:"co",cuan:"cm",gun:"g;",wa:"wj",cang:"cg",fei:"fi",li:"ld",jin:"jt",chou:"uq",chuan:"ur",qun:"q;",za:"zm",tang:"tm",gei:"gs",mi:"mz",lin:"lt",dou:"do",duan:"dm",run:"r;",da:"da",wang:"wg",hei:"hs",ni:"nz",min:"mt",fou:"fo",guan:"gm",sun:"s;",a:"ah",chang:"ug",lei:"ls",pi:"pe",nin:"nt",gou:"go",huan:"hr",tun:"t;",ba:"ba",dang:"dg",mei:"ms",qi:"qi",pin:"pt",hou:"hq",juan:"jr",cun:"cc",ca:"ca",fang:"fh",nei:"ns",ri:"ri",qin:"qk",kou:"kq",kuan:"kr",chun:"uc",cha:"ua",gang:"gg",pei:"ps",si:"si",xin:"xk",lou:"lq",luan:"lr",dun:"dc",ga:"ga",hang:"hg",wei:"wi",shi:"is",yin:"ek",mou:"mq",nuan:"nr",hun:"hc",ha:"ha",kang:"kg",zei:"z;",ti:"ti",bing:"bp",nou:"nq",quan:"qm",jun:"jc",ka:"ka",lang:"lg",ben:"bk",xi:"xi",ding:"df",pou:"pq",ruan:"rm",kun:"kc",la:"la",mang:"mg",cen:"ck",yi:"ei",jing:"jf",rou:"ro",suan:"sm",lun:"lc",ma:"ma",nang:"ng",chen:"ut",zi:"zi",ling:"lf",sou:"so",shuan:"ir",shun:"ic",na:"na",pang:"pg",fen:"fk",zhi:"vi",ming:"mf",shou:"iq",tuan:"tm",xun:"xc",pa:"pa",rang:"rh",gen:"gk",dia:"dx",ning:"nf",tou:"to",xuan:"xm",yun:"yc",sa:"sa",sang:"sg",hen:"hd",xia:"xl",ping:"pf",you:"eo",yuan:"em",zun:"zc",sha:"ia",shang:"ig",ken:"kd",lia:"lx",qing:"qp",zou:"zo",zuan:"zm",zhun:"oc",ta:"ta",yang:"eg",men:"md",jia:"ja",ting:"tp",zhou:"oq",zhuan:"or",cuo:"cp",ya:"ya",zang:"zg",nen:"nk",qia:"ql",xing:"xp",er:"eh",chuang:"uz",chuo:"up",zha:"oa",zhang:"og",pen:"pk",bian:"bl",ying:"ep",bu:"bu",guang:"gz",duo:"dp",bai:"bh",bao:"bj",ren:"rk",tian:"tk",jiong:"js",cu:"cu",huang:"hz",guo:"gp",cai:"ch",cao:"cj",sen:"sk",dian:"dw",qiong:"ql",chu:"uf",kuang:"kz",huo:"hb",chai:"ux",chao:"ub",shen:"it",jian:"jw",xiong:"xl",du:"du",shuang:"iz",kuo:"kb",dai:"dh",dao:"dj",wen:"wk",lian:"lw",diu:"dq",fu:"fu",zhuang:"oz",luo:"lb",gai:"gh",gao:"gj",zen:"zk",mian:"mw",jiu:"jq",gu:"gu",jue:"jb",nuo:"np",hai:"hh",hao:"hj",zhen:"ot",nian:"nw",liu:"lq",hu:"hf",lve:"lb",ruo:"rp",kai:"kh",kao:"kj",beng:"bd",pian:"pw",miu:"mq",ju:"jv",nve:"n;",suo:"sp",lai:"lh",lao:"lj",ceng:"ck",qian:"qn",niu:"nq",ku:"kf",que:"q;",shuo:"ib",mai:"mx",mao:"mb",cheng:"ud",xian:"xn",qiu:"qo",lu:"lv",xue:"x;",tuo:"tp",nai:"nx",nao:"nb",deng:"dd",jiang:"jg",xiu:"xo",mu:"mv",yue:"e;",zuo:"zp",pai:"ph",pao:"pj",feng:"fd",liang:"lg",an:"an",nu:"nv",cui:"c;",zhuo:"ob",sai:"sh",rao:"rj",geng:"gk",niang:"ng",en:"en",ou:"ou",sui:"s;",jv:"jv",shai:"ix",sao:"sj",heng:"hd",qiang:"qh",ang:"ag",pu:"pv",zui:"z;",lv:"lv",tai:"th",shao:"aj",keng:"kd",xiang:"xh",mo:"mq",qu:"qu",chui:"uv",wai:"wh",tao:"tj",leng:"lk",biao:"bb",po:"pq",ru:"ru",dui:"d;",zai:"zh",yao:"ej",meng:"md",diao:"db",ao:"ao",su:"su",gui:"g;",zhai:"ox",zao:"zj",neng:"nd",jiao:"jj",bo:"bo",shu:"if",hui:"hv",ban:"bn",zhao:"oj",peng:"pd",liao:"lz",o:"oh",tu:"tu",kui:"kv",can:"cn",ge:"gi",reng:"rd",miao:"mb",wo:"wo",wu:"wu",rui:"r;",chan:"uw",ce:"cy",seng:"sk",niao:"nb",yo:"eo",xu:"xu",shui:"iv",dan:"dn",che:"ue",sheng:"id",piao:"pj",cong:"cl",yu:"eu",tui:"t;",fan:"fn",de:"dk",teng:"td",qiao:"qj",chong:"us",zu:"zu",zhui:"ov",gan:"gn",e:"e;",weng:"wd",tiao:"tj",dong:"dl",zhu:"of",han:"hw",he:"he",zeng:"zk",xiao:"xj",gong:"gl",gua:"ga",kan:"kw",ke:"ke",zheng:"od",bie:"by",hong:"hl",hua:"ha",lan:"ln",le:"le",ai:"ai",die:"dy",kong:"ks",kua:"km",man:"mn",me:"me",bi:"bi",jie:"je",long:"ll",shua:"im",nan:"nn",ne:"ne",ci:"ci",lie:"lz",nong:"nl",zhua:"om",pan:"pn",re:"ry",chi:";i",mie:"me",rong:"rl",chuai:"ux",ran:"rn",se:"sy",di:"di",nie:"ne",song:"sl",guai:"gh",san:"sn",she:"ie",ei:"ei",pie:"pz",tong:"tl",huai:"hx",shan:"iw",te:"ty",qie:"qy",yong:"el",kuai:"kx",tan:"tn",ye:"ye",tie:"ty",zong:"zl",shuai:"ix",wan:"wn",ze:"zy",xie:"xy",zhong:"os",zhuai:"ox",yan:"en",zhe:"oe",zan:"zn",zhan:"ow",dei:"ds",fo:"fo",lo:"lo",nv:"nv",chua:"ua"}}};
\ No newline at end of file
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index d1132dc9..d55af8ed 100644
--- a/build/style.min.css
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+++ b/index.html
@@ -1,3 +1,3 @@
-<!doctypehtml><meta charset="UTF-8"><title>双拼练习 @ BlueSky</title><meta http-equiv="X-UA-Compatible"content="ie=EmulateIE9, chrome=1"><meta name="viewport"content="width=device-width,initial-scale=1"><link rel="stylesheet"href="build/style.min.css"><meta name="keywords"content="双拼,双拼输入,双拼练习,双拼入门,双拼教程,自然码,小鹤双拼"><meta name="description"content="帮助你快速上手双拼输入法，也可在微信小程序中搜索“双拼练习”使用。"><div class="header"><div class="menu"><label for="scheme-select"class="title">双拼方案：</label> <select id="scheme-select"></select></div><div class="menu"><label for="mode-select"class="title">练习模式：</label> <select id="mode-select"></select></div><div class="menu"><span class="title">模式说明：</span> <span id="mode-desc"></span></div><div class="menu"><span class="title">显示键位图：</span> <input type="checkbox"id="pic-switcher"></div><div class="menu"><span class="title">夜间模式：</span> <input type="checkbox"id="dark-mode-switcher"></div><div class="menu"><span class="title">正确时自动切换：</span> <input type="checkbox"id="auto-next-switcher"></div><div class="menu"><span class="title">错误时自动清空：</span> <input type="checkbox"id="auto-clear-switcher"></div><div class="menu"><span class="title">显示按键提示：</span> <input type="checkbox"id="show-keys"></div></div><div class="workspace"><div class="col"><span class="dict"id="dict"></span></div><div class="col"><div class="row"><span class="q"id="q"></span></div><div class="row"><input id="a"maxlength="2"autofocus="autofocus"autocomplete="off"><div class="btn"id="btn"></div></div></div></div><div class="keyboard"id="keyboard"><div class="keys"id="keys"><div class="row-1"><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div></div><div class="row-2"><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div></div><div class="row-3"><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div></div></div><img class="pic"id="pic"><div class="tips"id="tips"></div></div><div class="manual"><p>1. 切换至系统自带的英文输入法<p>2. 空格键 / 回车键 切换或清空<p>3. Tab 键 显示答案（可能不唯一）<p>4. 手机练习推荐使用微信小程序<p>5. 使用 <a title="立即下载 Chrome 浏览器"href="https://www.google.cn/chrome"target="_blank">Chrome 浏览器</a> 体验最佳<p>6. 查看 <a title="双拼输入介绍"href="https://sspai.com/post/42667"target="_blank">双拼输入介绍</a></div><div class="footer"><div class="wx"id="wx"><span id="wx-title">微信小程序：</span> <span id="wx-name">双拼练习</span> <img id="wx-qr"hidden="hidden"src="https://api.ihint.me/qr.php?https://mp.weixin.qq.com/a/~Jaww_jP-YK1G39fiZ01Qxg~~"></div><div class="copyright"><span>@ BlueSky | v5.10 2020.5.5 更新</span><br><a title="在 Github 上查看该项目源码"href="https://github.com/BlueSky-07/Shuang"target="_blank">https://github.com/BlueSky-07/Shuang</a><br><span>键位图 <a title="查看包含 Dvorak 键盘布局的键位图"href="https://api.ihint.me/keyboard"target="_blank">https://api.ihint.me/keyboard</a></span><br><span>字帖 <a title="字帖"href="https://api.ihint.me/zi"target="_blank">https://api.ihint.me/zi</a></span><br><a title="iOS/macOS 原生双拼输入法常见方案设置指南"href="https://sspai.com/post/60751"target="_blank">iOS/macOS 原生双拼输入法常见方案设置指南</a></div><div class="pays"id="pay"><span class="pay-title">支持开发者：</span> <span class="pay-name"id="alipay">支付宝</span> <img id="alipay-qr"hidden="hidden"src="https://api.ihint.me/qr.php?HTTPS://QR.ALIPAY.COM/FKX05370OGFIX8QOBKXS35"> <span class="pay-name"id="wxpay">微信</span> <img id="wxpay-qr"hidden="hidden"src="https://api.ihint.me/wxpay.jpg"></div></div><img src="https://api.ihint.me/statistics.php?site=shuang"hidden="hidden"><!--[if IE]>
-  <script src="https://cdn.bootcdn.net/ajax/libs/babel-polyfill/7.10.1/polyfill.min.js"></script>
+<!doctypehtml><meta charset="UTF-8"><title>双拼练习 @ BlueSky</title><meta http-equiv="X-UA-Compatible"content="ie=EmulateIE9, chrome=1"><meta name="viewport"content="width=device-width,initial-scale=1"><link rel="stylesheet"href="build/style.min.css"><meta name="keywords"content="双拼,双拼输入,双拼练习,双拼入门,双拼教程,自然码,小鹤双拼"><meta name="description"content="帮助你快速上手双拼输入法，也可在微信小程序中搜索“双拼练习”使用。"><div class="header"><div class="menu"><label for="scheme-select"class="title">双拼方案：</label> <select id="scheme-select"></select></div><div class="menu"><label for="mode-select"class="title">练习模式：</label> <select id="mode-select"></select></div><div class="menu"><span class="title">模式说明：</span> <span id="mode-desc"></span></div><div class="menu"><span class="title">显示键位图：</span> <input type="checkbox"id="pic-switcher"></div><div class="menu"><span class="title">夜间模式：</span> <input type="checkbox"id="dark-mode-switcher"></div><div class="menu"><span class="title">正确时自动切换：</span> <input type="checkbox"id="auto-next-switcher"></div><div class="menu"><span class="title">错误时自动清空：</span> <input type="checkbox"id="auto-clear-switcher"></div><div class="menu"><span class="title">显示按键提示：</span> <input type="checkbox"id="show-keys"></div></div><div class="workspace"><div class="col"><span class="dict"id="dict"></span></div><div class="col"><div class="row"><span class="q"id="q"></span></div><div class="row"><input id="a"maxlength="2"autofocus="autofocus"autocomplete="off"><div class="btn"id="btn"></div></div></div></div><div class="keyboard"id="keyboard"><div class="keys"id="keys"><div class="row-1"><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div></div><div class="row-2"><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div></div><div class="row-3"><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div><div class="key"></div></div></div><img class="pic"id="pic"><div class="tips"id="tips"></div></div><div class="manual"><p>1. 切换至系统自带的英文输入法<p>2. 空格键 / 回车键 切换或清空<p>3. Tab 键 显示答案（可能不唯一）<p>4. 手机练习推荐使用微信小程序<p>5. 使用 <a title="立即下载 Chrome 浏览器"href="https://www.google.cn/chrome"target="_blank">Chrome 浏览器</a> 体验最佳<p>6. 查看 <a title="双拼输入介绍"href="https://sspai.com/post/42667"target="_blank">双拼输入介绍</a></div><div class="footer"><div class="wx"id="wx"><span id="wx-title">微信小程序：</span> <span id="wx-name">双拼练习</span> <img id="wx-qr"hidden="hidden"src="https://api.ihint.me/qr.php?https://mp.weixin.qq.com/a/~Jaww_jP-YK1G39fiZ01Qxg~~"></div><div class="copyright"><span>@ BlueSky | v5.11 2021.1.25 更新</span><br><a title="在 Github 上查看该项目源码"href="https://github.com/BlueSky-07/Shuang"target="_blank">https://github.com/BlueSky-07/Shuang</a><br><span>键位图 <a title="查看包含 Dvorak 键盘布局的键位图"href="https://api.ihint.me/keyboard"target="_blank">https://api.ihint.me/keyboard</a></span><br><span>字帖 <a title="字帖"href="https://api.ihint.me/zi"target="_blank">https://api.ihint.me/zi</a></span><br><a title="iOS/macOS 原生双拼输入法常见方案设置指南"href="https://sspai.com/post/60751"target="_blank">iOS/macOS 原生双拼输入法常见方案设置指南</a></div><div class="pays"id="pay"><span class="pay-title">支持开发者：</span> <span class="pay-name"id="alipay">支付宝</span> <img id="alipay-qr"hidden="hidden"src="https://api.ihint.me/qr.php?HTTPS://QR.ALIPAY.COM/FKX05370OGFIX8QOBKXS35"> <span class="pay-name"id="wxpay">微信</span> <img id="wxpay-qr"hidden="hidden"src="https://api.ihint.me/wxpay.jpg"></div></div><img src="https://api.ihint.me/statistics.php?site=shuang"hidden="hidden"><!--[if IE]>
+  <script src="https://cdn.bootcdn.net/ajax/libs/babel-polyfill/7.12.1/polyfill.min.js"></script>
   <![endif]--><script src="build/app.min.js"></script>
\ No newline at end of file
diff --git a/index.src.html b/index.src.html
index 150e9a33..9a173122 100644
--- a/index.src.html
+++ b/index.src.html
@@ -1,4 +1,4 @@
-<!-- last changed: 2020.6.25 -->
+<!-- last changed: 2021.1.25 -->
 <!DOCTYPE html>
 <html>
 
@@ -116,7 +116,7 @@
         src="https://api.ihint.me/qr.php?https://mp.weixin.qq.com/a/~Jaww_jP-YK1G39fiZ01Qxg~~">
     </div>
     <div class="copyright">
-      <span>@ BlueSky | v5.10 2020.5.5 更新</span>
+      <span>@ BlueSky | v5.11 2021.1.25 更新</span>
       <br>
       <a title="在 Github 上查看该项目源码" href="https://github.com/BlueSky-07/Shuang"
         target="_blank">https://github.com/BlueSky-07/Shuang</a>
@@ -141,7 +141,7 @@
   </div>
   <img src="https://api.ihint.me/statistics.php?site=shuang" hidden="hidden">
   <!--[if IE]>
-  <script src="https://cdn.bootcdn.net/ajax/libs/babel-polyfill/7.10.1/polyfill.min.js"></script>
+  <script src="https://cdn.bootcdn.net/ajax/libs/babel-polyfill/7.12.1/polyfill.min.js"></script>
   <![endif]-->
   <script src="build/app.min.js"></script>
 </body>
diff --git a/package.json b/package.json
index a63c99df..fe53dcc4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "shuang",
-  "version": "5.10.0",
+  "version": "5.11.0",
   "description": "帮助你快速上手双拼输入法",
   "scripts": {
     "clear": "rm -rf build/*",
diff --git "a/resources/\345\217\214\346\213\274\351\224\256\344\275\215\345\233\276.xlsx" "b/resources/\345\217\214\346\213\274\351\224\256\344\275\215\345\233\276.xlsx"
index 584091f3..b2621b09 100644
Binary files "a/resources/\345\217\214\346\213\274\351\224\256\344\275\215\345\233\276.xlsx" and "b/resources/\345\217\214\346\213\274\351\224\256\344\275\215\345\233\276.xlsx" differ
diff --git a/scripts/build-app.sh b/scripts/build-app.sh
index 065da17c..cfbfe8e8 100755
--- a/scripts/build-app.sh
+++ b/scripts/build-app.sh
@@ -17,6 +17,7 @@ function append () {
 }
 
 echo "clearing $BUNDLE_FILE"
+echo "/** This script is generated by scripts/build-app.sh */" > "$BUNDLE_FILE"
 echo "" > "$BUNDLE_FILE"
 
 append entry.js
diff --git a/src/app.js b/src/app.js
index 7888598a..6b3710e6 100644
--- a/src/app.js
+++ b/src/app.js
@@ -358,7 +358,7 @@ Shuang.core.model = class Model {
 }
 /******************** EOF core.js ************************/
 /************************ setting.js ************************/
-/** last changed: 2020.5.5 */
+/** last changed: 2021.1.25 */
 
 Shuang.app.setting = {
   config: {},
@@ -455,7 +455,9 @@ Shuang.app.setting = {
   },
   updateKeysHint() {
     const keys = $$('.key')
-    keys.forEach((key) => key.style.visibility = 'hidden')
+    for (const key of keys) {
+      key.style.visibility = 'hidden'
+    }
     if (this.config.showKeys === 'false') return
     const qwerty = 'qwertyuiopasdfghjkl;zxcvbnm'
     for (const [sheng, yun] of Shuang.core.current.scheme) {
@@ -467,7 +469,7 @@ Shuang.app.setting = {
   updateKeysHintLayoutRatio() {
     // TODO: 修改样式而不是计算
     const MIN_WIDTH = 310
-    const MAX_WIDTH = 740
+    const MAX_WIDTH = 750
     const OFFSET_WIDTH = 300
     const OFFSET = 30
     let left = 0
diff --git a/src/setting.js b/src/setting.js
index 0debc163..111c6e29 100644
--- a/src/setting.js
+++ b/src/setting.js
@@ -1,4 +1,4 @@
-/** last changed: 2020.5.5 */
+/** last changed: 2021.1.25 */
 
 Shuang.app.setting = {
   config: {},
@@ -95,7 +95,9 @@ Shuang.app.setting = {
   },
   updateKeysHint() {
     const keys = $$('.key')
-    keys.forEach((key) => key.style.visibility = 'hidden')
+    for (const key of keys) {
+      key.style.visibility = 'hidden'
+    }
     if (this.config.showKeys === 'false') return
     const qwerty = 'qwertyuiopasdfghjkl;zxcvbnm'
     for (const [sheng, yun] of Shuang.core.current.scheme) {
@@ -107,7 +109,7 @@ Shuang.app.setting = {
   updateKeysHintLayoutRatio() {
     // TODO: 修改样式而不是计算
     const MIN_WIDTH = 310
-    const MAX_WIDTH = 740
+    const MAX_WIDTH = 750
     const OFFSET_WIDTH = 300
     const OFFSET = 30
     let left = 0
diff --git a/src/style.css b/src/style.css
index 638881bb..f9b7c9c8 100644
--- a/src/style.css
+++ b/src/style.css
@@ -1,4 +1,4 @@
-/** last changed: 2020.6.25 */
+/** last changed: 2021.1.25 */
 
 body {
   margin: 0 auto;
@@ -120,6 +120,10 @@ body {
   opacity: 0.2;
 }
 
+.keyboard .keys .row-2 {
+  margin-left: 2px
+}
+
 .keyboard .keys .row-2 {
   margin-left: 33px
 }
@@ -130,7 +134,7 @@ body {
 
 .keyboard .keys .key {
   width: 64.5px;
-  height: 66px;
+  height: 64.5px;
   float: left;
   background-color: #007700;
   visibility: hidden;
@@ -144,7 +148,6 @@ body {
 }
 
 @media screen and (min-width: 0\0) and (min-resolution: +72dpi) {
-
   /* IE */
   .keyboard .pic {
     filter: none;
@@ -299,7 +302,6 @@ body {
 }
 
 @supports (-webkit-overflow-scrolling: touch) {
-
   /* Safari on iOS */
   .dark-mode .menu select {
     color: #000 !important;