diff --git a/libs/core.js b/libs/core.js
index d89d08cf..502a5130 100644
--- a/libs/core.js
+++ b/libs/core.js
@@ -335,8 +335,7 @@ core.prototype.loadMusic = function (callback) {
         }
         else {
             var music = new Audio();
-            if (!core.musicStatus.startDirectly)
-                music.preload = 'none'; // 默认不加载
+            music.preload = core.musicStatus.startDirectly?'auto':'none';
             music.src = 'sounds/'+t;
             music.loop = 'loop';
             core.material.bgms[t] = music;
diff --git a/libs/enemys.js b/libs/enemys.js
index c08ae30e..00541d09 100644
--- a/libs/enemys.js
+++ b/libs/enemys.js
@@ -101,6 +101,8 @@ enemys.prototype.getSpecialText = function (enemyId) {
     if (this.hasSpecial(special, 16)) text.push("夹击");
     if (this.hasSpecial(special, 17)) text.push("仇恨");
     if (this.hasSpecial(special, 18)) text.push("阻击");
+    if (this.hasSpecial(special, 19)) text.push("自爆");
+    if (this.hasSpecial(special, 20)) text.push("无敌");
     return text.join("  ");
 }
 
@@ -161,22 +163,27 @@ enemys.prototype.getCriticalDamage = function (monsterId) {
 // 1防减伤计算
 enemys.prototype.getDefDamage = function (monsterId) {
     var monster = core.material.enemys[monsterId];
-    return this.calDamage(core.status.hero.atk, core.status.hero.def, core.status.hero.mdef,
-        monster.hp, monster.atk, monster.def, monster.special) -
-        this.calDamage(core.status.hero.atk, core.status.hero.def + 1, core.status.hero.mdef,
-            monster.hp, monster.atk, monster.def, monster.special)
+    var nowDamage = this.calDamage(core.status.hero.atk, core.status.hero.def, core.status.hero.mdef,
+        monster.hp, monster.atk, monster.def, monster.special);
+    if (nowDamage == 999999999) return "???";
+    return nowDamage - this.calDamage(core.status.hero.atk, core.status.hero.def + 1, core.status.hero.mdef,
+        monster.hp, monster.atk, monster.def, monster.special);
 }
 
 enemys.prototype.calDamage = function (hero_atk, hero_def, hero_mdef, mon_hp, mon_atk, mon_def, mon_special) {
-    // 魔攻
-    if (this.hasSpecial(mon_special,2)) hero_def = 0;
-    // 坚固
-    if (this.hasSpecial(mon_special,3) && mon_def < hero_atk - 1) mon_def = hero_atk - 1;
+
+    if (this.hasSpecial(mon_special, 20) && !core.hasItem("cross")) // 如果是无敌属性，且勇士未持有十字架
+        return 999999999; // 返回无限大
+
     // 模仿
     if (this.hasSpecial(mon_special,10)) {
         mon_atk = hero_atk;
         mon_def = hero_def;
     }
+    // 魔攻
+    if (this.hasSpecial(mon_special,2)) hero_def = 0;
+    // 坚固
+    if (this.hasSpecial(mon_special,3) && mon_def < hero_atk - 1) mon_def = hero_atk - 1;
     if (hero_atk <= mon_def) return 999999999; // 不可战斗时请直接返回999999999
 
     var per_damage = mon_atk - hero_def;
diff --git a/libs/events.js b/libs/events.js
index 6f1f9710..e82bfc8e 100644
--- a/libs/events.js
+++ b/libs/events.js
@@ -540,6 +540,10 @@ events.prototype.afterBattle = function(enemyId,x,y,callback) {
     if (core.enemys.hasSpecial(special, 17)) {
         core.setFlag('hatred', parseInt(core.getFlag('hatred', 0)/2));
     }
+    // 自爆
+    if (core.enemys.hasSpecial(special, 19)) {
+        core.status.hero.hp = 1;
+    }
     // 增加仇恨值
     core.setFlag('hatred', core.getFlag('hatred',0)+core.values.hatred);
     core.updateStatusBar();
diff --git a/libs/floors/sample0.js b/libs/floors/sample0.js
index 761bc5ed..1fab84e8 100644
--- a/libs/floors/sample0.js
+++ b/libs/floors/sample0.js
@@ -102,7 +102,6 @@ main.floors.sample0 = {
             "炸弹是只能炸面前的怪物还是四个方向的怪物，由data.js中的系统Flag所决定。\n如只能炸前方怪物则和上面的圣锤等价。\n不能被炸的怪物在enemys中可以定义，可参见样板里黑衣魔王和黑暗大法师的写法。",
         ],
         "10,4": ["“上楼”和“下楼”的目标层由 main.js 的 floorIds顺序所决定。"],
-        "10,3": ["十字架目前未被定义，可能需要自行实现功能。\n有关如何实现一个道具功能参见doc文档。"],
         "9,2": ["该道具默认是大黄门钥匙，如需改为钥匙盒直接修改 data.js 中的系统Flag即可。"],
         "10,2": ["屠龙匕首目前未被定义，可能需要自行实现功能。\n有关如何实现一个道具功能参见doc文档。"],
     },
diff --git a/libs/floors/sample1.js b/libs/floors/sample1.js
index b28c41d1..3934514b 100644
--- a/libs/floors/sample1.js
+++ b/libs/floors/sample1.js
@@ -31,8 +31,9 @@ main.floors.sample1 = {
         "4,10": [ // 走到中间时的提示
             "\t[样板提示]本层楼将会对各类事件进行介绍。",
             "左边是一个仿50层的陷阱做法，上方是商店、快捷商店的使用方法，右上是一个典型的杀怪开门的例子，右下是各类可能的NPC事件。",
-            "本样板目前支持的事件列表大致有：\ntext: 显示一段文字（比如你现在正在看到的）\ntip: 左上角显示提示\nshow: 使一个事件有效（可见、可被交互）\nhide: 使一个事件失效（不可见、不可被交互）\ntrigger: 触发另一个地点的事件\nbattle: 强制和某怪物战斗\nopenDoor: 无需钥匙开门（例如机关门、暗墙）\nopenShop: 打开一个全局商店\ndisableShop: 禁用一个全局商店\nchangeFloor: 传送勇士到某层某位置\nchangePos: 传送勇士到当层某位置；转向\nsetFg: 更改画面色调",
-            "move: 移动事件效果\nmoveHero: 移动勇士效果\nplaySound: 播放某个音频\nif: 条件判断\nchoices: 提供选项\nsetValue: 设置勇士属性道具，或某个变量/flag\nupdate: 更新状态栏和地图显伤\nwin: 获得胜利（游戏通关）\nlose: 游戏失败\nsleep: 等待多少毫秒\nexit: 立刻结束当前事件\nrevisit: 立刻结束事件并重新触发\nfunction: 自定义JS脚本\n更多支持的事件还在编写中，欢迎您宝贵的意见。",
+            "本样板目前支持的事件列表大致有：\ntext: 显示一段文字（比如你现在正在看到的）\ntip: 左上角显示提示\nshow: 使一个事件有效（可见、可被交互）\nhide: 使一个事件失效（不可见、不可被交互）\ntrigger: 触发另一个地点的事件\nbattle: 强制和某怪物战斗\nopenDoor: 无需钥匙开门（例如机关门、暗墙）",
+            "openShop: 打开一个全局商店\ndisableShop: 禁用一个全局商店\nchangeFloor: 传送勇士到某层某位置\nchangePos: 传送勇士到当层某位置；转向\nsetFg: 更改画面色调\nmove: 移动事件效果\nmoveHero: 移动勇士效果\nplayBgm: 播放某个背景音乐\npauseBgm: 暂停背景音乐\nresumeBgm: 恢复背景音乐的播放\nplaySound: 播放某个音频",
+            "if: 条件判断\nchoices: 提供选项\nsetValue: 设置勇士属性道具，或某个变量/flag\nupdate: 更新状态栏和地图显伤\nwin: 获得胜利（游戏通关）\nlose: 游戏失败\nsleep: 等待多少毫秒\nexit: 立刻结束当前事件\nrevisit: 立刻结束事件并重新触发\nfunction: 自定义JS脚本\n\n更多支持的事件还在编写中，欢迎您宝贵的意见。",
             "有关各事件的样例，可参见本层一些NPC的写法。\n所有事件样例本层都有介绍。\n\n一个自定义事件处理完后，需要调用{\"type\": \"hide\"}该事件才不会再次出现。",
             {"type": "hide"}
         ],
diff --git a/libs/items.js b/libs/items.js
index 0605a16e..449d2980 100644
--- a/libs/items.js
+++ b/libs/items.js
@@ -36,7 +36,7 @@ items.prototype.init = function () {
         'fly': {'cls': 'constants', 'name': '楼层传送器', 'text': '可以自由往来去过的楼层'},
         'coin': {'cls': 'constants', 'name': '幸运金币', 'text': '持有时打败怪物可得双倍金币'},
         'snow': {'cls': 'constants', 'name': '冰冻徽章', 'text': '可以将四周的熔岩变成平地'},
-        'cross': {'cls': 'constants', 'name': '十字架', 'text': '该道具尚未被定义'},
+        'cross': {'cls': 'constants', 'name': '十字架', 'text': '持有后无视怪物的无敌属性'},
         'knife': {'cls': 'constants', 'name': '屠龙匕首', 'text': '该道具尚未被定义'},
         'shoes': {'cls': 'constants', 'name': '绿鞋', 'text': '持有时无视负面地形'},
 
diff --git a/libs/thirdparty/mid.min.js b/libs/thirdparty/mid.min.js
deleted file mode 100644
index 434a8ae9..00000000
--- a/libs/thirdparty/mid.min.js
+++ /dev/null
@@ -1,3 +0,0 @@
-var sampleRate=44100;function AudioPlayer(generator,opts){if(!opts){opts={}}var latency=opts.latency||1;var checkInterval=latency*100;var audioElement=new Audio();var webkitAudio=window.AudioContext||window.webkitAudioContext;var requestStop=false;if(audioElement.mozSetup){audioElement.mozSetup(2,sampleRate);var buffer=[];var minBufferLength=latency*2*sampleRate;var bufferFillLength=Math.floor(latency*sampleRate);function checkBuffer(){if(buffer.length){var written=audioElement.mozWriteAudio(buffer);buffer=buffer.slice(written)}if(buffer.length<minBufferLength&&!generator.finished){buffer=buffer.concat(generator.generate(bufferFillLength))}if(!requestStop&&(!generator.finished||buffer.length)){setTimeout(checkBuffer,checkInterval)}}checkBuffer();return{"type":"Firefox Audio","stop":function(){requestStop=true}}}else{if(webkitAudio){var context=new webkitAudio();sampleRate=context.sampleRate;var channelCount=2;var bufferSize=4096*4;var node=context.createScriptProcessor(bufferSize,0,channelCount);node.onaudioprocess=function(e){process(e)};function process(e){if(generator.finished){node.disconnect();return}var dataLeft=e.outputBuffer.getChannelData(0);var dataRight=e.outputBuffer.getChannelData(1);var generate=generator.generate(bufferSize);for(var i=0;i<bufferSize;++i){dataLeft[i]=generate[i*2];dataRight[i]=generate[i*2+1]}}node.connect(context.destination);return{"stop":function(){node.disconnect();requestStop=true},"type":"Webkit Audio"}}else{var c=document.createElement("div");c.innerHTML='<embed type="application/x-shockwave-flash" id="da-swf" src="da.swf" width="8" height="8" allowScriptAccess="always" style="position: fixed; left:-10px;" />';document.body.appendChild(c);var swf=document.getElementById("da-swf");var minBufferDuration=latency*1000;var bufferFillLength=latency*sampleRate;function write(data){var out=new Array(data.length);for(var i=data.length-1;i!=0;i--){out[i]=Math.floor(data[i]*32768)}return swf.write(out.join(" "))}function checkBuffer(){if(swf.bufferedDuration()<minBufferDuration){write(generator.generate(bufferFillLength))}if(!requestStop&&!generator.finished){setTimeout(checkBuffer,checkInterval)}}function checkReady(){if(swf.write){checkBuffer()}else{setTimeout(checkReady,10)}}checkReady();return{"stop":function(){swf.stop();requestStop=true},"bufferedDuration":function(){return swf.bufferedDuration()},"type":"Flash Audio"}}}}function MidiFile(data){function readChunk(stream){var id=stream.read(4);var length=stream.readInt32();return{"id":id,"length":length,"data":stream.read(length)}}var lastEventTypeByte;function readEvent(stream){var event={};event.deltaTime=stream.readVarInt();var eventTypeByte=stream.readInt8();if((eventTypeByte&240)==240){if(eventTypeByte==255){event.type="meta";var subtypeByte=stream.readInt8();var length=stream.readVarInt();switch(subtypeByte){case 0:event.subtype="sequenceNumber";if(length!=2){throw"Expected length for sequenceNumber event is 2, got "+length}event.number=stream.readInt16();return event;case 1:event.subtype="text";event.text=stream.read(length);return event;case 2:event.subtype="copyrightNotice";event.text=stream.read(length);return event;case 3:event.subtype="trackName";event.text=stream.read(length);return event;case 4:event.subtype="instrumentName";event.text=stream.read(length);return event;case 5:event.subtype="lyrics";event.text=stream.read(length);return event;case 6:event.subtype="marker";event.text=stream.read(length);return event;case 7:event.subtype="cuePoint";event.text=stream.read(length);return event;case 32:event.subtype="midiChannelPrefix";if(length!=1){throw"Expected length for midiChannelPrefix event is 1, got "+length}event.channel=stream.readInt8();return event;case 47:event.subtype="endOfTrack";if(length!=0){throw"Expected length for endOfTrack event is 0, got "+length}return event;case 81:event.subtype="setTempo";if(length!=3){throw"Expected length for setTempo event is 3, got "+length}event.microsecondsPerBeat=((stream.readInt8()<<16)+(stream.readInt8()<<8)+stream.readInt8());return event;case 84:event.subtype="smpteOffset";if(length!=5){throw"Expected length for smpteOffset event is 5, got "+length}var hourByte=stream.readInt8();event.frameRate={0:24,32:25,64:29,96:30}[hourByte&96];event.hour=hourByte&31;event.min=stream.readInt8();event.sec=stream.readInt8();event.frame=stream.readInt8();event.subframe=stream.readInt8();return event;case 88:event.subtype="timeSignature";if(length!=4){throw"Expected length for timeSignature event is 4, got "+length}event.numerator=stream.readInt8();event.denominator=Math.pow(2,stream.readInt8());event.metronome=stream.readInt8();event.thirtyseconds=stream.readInt8();return event;case 89:event.subtype="keySignature";if(length!=2){throw"Expected length for keySignature event is 2, got "+length}event.key=stream.readInt8(true);event.scale=stream.readInt8();return event;case 127:event.subtype="sequencerSpecific";event.data=stream.read(length);return event;default:event.subtype="unknown";
-event.data=stream.read(length);return event}event.data=stream.read(length);return event}else{if(eventTypeByte==240){event.type="sysEx";var length=stream.readVarInt();event.data=stream.read(length);return event}else{if(eventTypeByte==247){event.type="dividedSysEx";var length=stream.readVarInt();event.data=stream.read(length);return event}else{throw"Unrecognised MIDI event type byte: "+eventTypeByte}}}}else{var param1;if((eventTypeByte&128)==0){param1=eventTypeByte;eventTypeByte=lastEventTypeByte}else{param1=stream.readInt8();lastEventTypeByte=eventTypeByte}var eventType=eventTypeByte>>4;event.channel=eventTypeByte&15;event.type="channel";switch(eventType){case 8:event.subtype="noteOff";event.noteNumber=param1;event.velocity=stream.readInt8();return event;case 9:event.noteNumber=param1;event.velocity=stream.readInt8();if(event.velocity==0){event.subtype="noteOff"}else{event.subtype="noteOn"}return event;case 10:event.subtype="noteAftertouch";event.noteNumber=param1;event.amount=stream.readInt8();return event;case 11:event.subtype="controller";event.controllerType=param1;event.value=stream.readInt8();return event;case 12:event.subtype="programChange";event.programNumber=param1;return event;case 13:event.subtype="channelAftertouch";event.amount=param1;return event;case 14:event.subtype="pitchBend";event.value=param1+(stream.readInt8()<<7);return event;default:throw"Unrecognised MIDI event type: "+eventType}}}stream=Stream(data);var headerChunk=readChunk(stream);if(headerChunk.id!="MThd"||headerChunk.length!=6){throw"Bad .mid file - header not found"}var headerStream=Stream(headerChunk.data);var formatType=headerStream.readInt16();var trackCount=headerStream.readInt16();var timeDivision=headerStream.readInt16();if(timeDivision&32768){throw"Expressing time division in SMTPE frames is not supported yet"}else{ticksPerBeat=timeDivision}var header={"formatType":formatType,"trackCount":trackCount,"ticksPerBeat":ticksPerBeat};var tracks=[];for(var i=0;i<header.trackCount;i++){tracks[i]=[];var trackChunk=readChunk(stream);if(trackChunk.id!="MTrk"){throw"Unexpected chunk - expected MTrk, got "+trackChunk.id}var trackStream=Stream(trackChunk.data);while(!trackStream.eof()){var event=readEvent(trackStream);tracks[i].push(event)}}return{"header":header,"tracks":tracks}}function Replayer(midiFile,synth){var trackStates=[];var beatsPerMinute=120;var ticksPerBeat=midiFile.header.ticksPerBeat;var channelCount=16;for(var i=0;i<midiFile.tracks.length;i++){trackStates[i]={"nextEventIndex":0,"ticksToNextEvent":(midiFile.tracks[i].length?midiFile.tracks[i][0].deltaTime:null)}}function Channel(){var generatorsByNote={};var currentProgram=PianoProgram;function noteOn(note,velocity){if(generatorsByNote[note]&&!generatorsByNote[note].released){generatorsByNote[note].noteOff()}generator=currentProgram.createNote(note,velocity);synth.addGenerator(generator);generatorsByNote[note]=generator}function noteOff(note,velocity){if(generatorsByNote[note]&&!generatorsByNote[note].released){generatorsByNote[note].noteOff(velocity)}}function setProgram(programNumber){currentProgram=PROGRAMS[programNumber]||PianoProgram}return{"noteOn":noteOn,"noteOff":noteOff,"setProgram":setProgram}}var channels=[];for(var i=0;i<channelCount;i++){channels[i]=Channel()}var nextEventInfo;var samplesToNextEvent=0;function getNextEvent(){var ticksToNextEvent=null;var nextEventTrack=null;var nextEventIndex=null;for(var i=0;i<trackStates.length;i++){if(trackStates[i].ticksToNextEvent!=null&&(ticksToNextEvent==null||trackStates[i].ticksToNextEvent<ticksToNextEvent)){ticksToNextEvent=trackStates[i].ticksToNextEvent;nextEventTrack=i;nextEventIndex=trackStates[i].nextEventIndex}}if(nextEventTrack!=null){var nextEvent=midiFile.tracks[nextEventTrack][nextEventIndex];if(midiFile.tracks[nextEventTrack][nextEventIndex+1]){trackStates[nextEventTrack].ticksToNextEvent+=midiFile.tracks[nextEventTrack][nextEventIndex+1].deltaTime}else{trackStates[nextEventTrack].ticksToNextEvent=null}trackStates[nextEventTrack].nextEventIndex+=1;for(var i=0;i<trackStates.length;i++){if(trackStates[i].ticksToNextEvent!=null){trackStates[i].ticksToNextEvent-=ticksToNextEvent}}nextEventInfo={"ticksToEvent":ticksToNextEvent,"event":nextEvent,"track":nextEventTrack};var beatsToNextEvent=ticksToNextEvent/ticksPerBeat;var secondsToNextEvent=beatsToNextEvent/(beatsPerMinute/60);samplesToNextEvent+=secondsToNextEvent*synth.sampleRate}else{nextEventInfo=null;samplesToNextEvent=null;self.finished=true}}getNextEvent();function generate(samples){var data=new Array(samples*2);var samplesRemaining=samples;var dataOffset=0;while(true){if(samplesToNextEvent!=null&&samplesToNextEvent<=samplesRemaining){var samplesToGenerate=Math.ceil(samplesToNextEvent);if(samplesToGenerate>0){synth.generateIntoBuffer(samplesToGenerate,data,dataOffset);dataOffset+=samplesToGenerate*2;samplesRemaining-=samplesToGenerate;samplesToNextEvent-=samplesToGenerate}handleEvent();getNextEvent()}else{if(samplesRemaining>0){synth.generateIntoBuffer(samplesRemaining,data,dataOffset);
-samplesToNextEvent-=samplesRemaining}break}}return data}function handleEvent(){var event=nextEventInfo.event;switch(event.type){case"meta":switch(event.subtype){case"setTempo":beatsPerMinute=60000000/event.microsecondsPerBeat}break;case"channel":switch(event.subtype){case"noteOn":channels[event.channel].noteOn(event.noteNumber,event.velocity);break;case"noteOff":channels[event.channel].noteOff(event.noteNumber,event.velocity);break;case"programChange":channels[event.channel].setProgram(event.programNumber);break}break}}function replay(audio){console.log("replay");audio.write(generate(44100));setTimeout(function(){replay(audio)},10)}var self={"replay":replay,"generate":generate,"finished":false};return self}function Stream(str){var position=0;function read(length){var result=str.substr(position,length);position+=length;return result}function readInt32(){var result=((str.charCodeAt(position)<<24)+(str.charCodeAt(position+1)<<16)+(str.charCodeAt(position+2)<<8)+str.charCodeAt(position+3));position+=4;return result}function readInt16(){var result=((str.charCodeAt(position)<<8)+str.charCodeAt(position+1));position+=2;return result}function readInt8(signed){var result=str.charCodeAt(position);if(signed&&result>127){result-=256}position+=1;return result}function eof(){return position>=str.length}function readVarInt(){var result=0;while(true){var b=readInt8();if(b&128){result+=(b&127);result<<=7}else{return result+b}}}return{"eof":eof,"read":read,"readInt32":readInt32,"readInt16":readInt16,"readInt8":readInt8,"readVarInt":readVarInt}}function SineGenerator(freq){var self={"alive":true};var period=sampleRate/freq;var t=0;self.generate=function(buf,offset,count){for(;count;count--){var phase=t/period;var result=Math.sin(phase*2*Math.PI);buf[offset++]+=result;buf[offset++]+=result;t++}};return self}function SquareGenerator(freq,phase){var self={"alive":true};var period=sampleRate/freq;var t=0;self.generate=function(buf,offset,count){for(;count;count--){var result=((t/period)%1>phase?1:-1);buf[offset++]+=result;buf[offset++]+=result;t++}};return self}function ADSRGenerator(child,attackAmplitude,sustainAmplitude,attackTimeS,decayTimeS,releaseTimeS){var self={"alive":true};var attackTime=sampleRate*attackTimeS;var decayTime=sampleRate*(attackTimeS+decayTimeS);var decayRate=(attackAmplitude-sustainAmplitude)/(decayTime-attackTime);var releaseTime=null;var endTime=null;var releaseRate=sustainAmplitude/(sampleRate*releaseTimeS);var t=0;self.noteOff=function(){if(self.released){return}releaseTime=t;self.released=true;endTime=releaseTime+sampleRate*releaseTimeS};self.generate=function(buf,offset,count){if(!self.alive){return}var input=new Array(count*2);for(var i=0;i<count*2;i++){input[i]=0}child.generate(input,0,count);childOffset=0;while(count){if(releaseTime!=null){if(t<endTime){while(count&&t<endTime){var ampl=sustainAmplitude-releaseRate*(t-releaseTime);buf[offset++]+=input[childOffset++]*ampl;buf[offset++]+=input[childOffset++]*ampl;t++;count--}}else{self.alive=false;return}}else{if(t<attackTime){while(count&&t<attackTime){var ampl=attackAmplitude*t/attackTime;buf[offset++]+=input[childOffset++]*ampl;buf[offset++]+=input[childOffset++]*ampl;t++;count--}}else{if(t<decayTime){while(count&&t<decayTime){var ampl=attackAmplitude-decayRate*(t-attackTime);buf[offset++]+=input[childOffset++]*ampl;buf[offset++]+=input[childOffset++]*ampl;t++;count--}}else{while(count){buf[offset++]+=input[childOffset++]*sustainAmplitude;buf[offset++]+=input[childOffset++]*sustainAmplitude;t++;count--}}}}}};return self}function midiToFrequency(note){return 440*Math.pow(2,(note-69)/12)}PianoProgram={"attackAmplitude":0.2,"sustainAmplitude":0.1,"attackTime":0.02,"decayTime":0.3,"releaseTime":0.02,"createNote":function(note,velocity){var frequency=midiToFrequency(note);return ADSRGenerator(SineGenerator(frequency),this.attackAmplitude*(velocity/128),this.sustainAmplitude*(velocity/128),this.attackTime,this.decayTime,this.releaseTime)}};StringProgram={"createNote":function(note,velocity){var frequency=midiToFrequency(note);return ADSRGenerator(SineGenerator(frequency),0.5*(velocity/128),0.2*(velocity/128),0.4,0.8,0.4)}};PROGRAMS={41:StringProgram,42:StringProgram,43:StringProgram,44:StringProgram,45:StringProgram,46:StringProgram,47:StringProgram,49:StringProgram,50:StringProgram};function Synth(sampleRate){var generators=[];function addGenerator(generator){generators.push(generator)}function generate(samples){var data=new Array(samples*2);generateIntoBuffer(samples,data,0);return data}function generateIntoBuffer(samplesToGenerate,buffer,offset){for(var i=offset;i<offset+samplesToGenerate*2;i++){buffer[i]=0}for(var i=generators.length-1;i>=0;i--){generators[i].generate(buffer,offset,samplesToGenerate);if(!generators[i].alive){generators.splice(i,1)}}}return{"sampleRate":sampleRate,"addGenerator":addGenerator,"generate":generate,"generateIntoBuffer":generateIntoBuffer}};
\ No newline at end of file
diff --git a/libs/ui.js b/libs/ui.js
index ab9e226e..bbb85c16 100644
--- a/libs/ui.js
+++ b/libs/ui.js
@@ -390,12 +390,12 @@ ui.prototype.drawBattleAnimate = function(monsterId, callback) {
 
     hero_hp -= core.enemys.getExtraDamage(monster);
 
-    if (core.enemys.hasSpecial(mon_special, 2)) hero_def=0; // 魔攻
-    if (core.enemys.hasSpecial(mon_special, 3) && mon_def<hero_atk) mon_def=hero_atk-1; // 坚固
     if (core.enemys.hasSpecial(mon_special, 10)) { // 模仿
         mon_atk=hero_atk;
         mon_def=hero_def;
     }
+    if (core.enemys.hasSpecial(mon_special, 2)) hero_def=0; // 魔攻
+    if (core.enemys.hasSpecial(mon_special, 3) && mon_def<hero_atk) mon_def=hero_atk-1; // 坚固
 
     // 实际操作
     var turn = 0; // 0为勇士攻击
diff --git a/main.js b/main.js
index 57d8f93c..e56ca78f 100644
--- a/main.js
+++ b/main.js
@@ -47,9 +47,11 @@ function main() {
         'animates', 'enemys', 'hero', 'items', 'npcs', 'terrains'
     ];
     this.bgms = [ // 在此存放所有的bgm，和文件名一致。第一项为默认播放项
+        // 音频名不能使用中文，不能带空格或特殊字符；可以直接改名拼音就好
         '058-Slow01.mid', 'bgm.mp3', 'qianjin.mid', 'star.mid'
     ];
     this.sounds = [ // 在此存放所有的SE，和文件名一致
+        // 音频名不能使用中文，不能带空格或特殊字符；可以直接改名拼音就好
         'floor.mp3', 'attack.ogg', 'door.ogg', 'item.ogg'
     ]
     this.statusBar = {
diff --git a/更新说明.txt b/更新说明.txt
index cdc48c46..f3e8c2a5 100644
--- a/更新说明.txt
+++ b/更新说明.txt
@@ -1,9 +1,10 @@
 全键盘操作  √
 经验升级（进阶）  √
-支持阻击  √
+增加阻击、自爆、无敌属性  √
 九宫格领域、大范围领域  √
 Ctrl快速跳过对话  √
 增加负伤  √
+背景音乐  √
 支持不同层使用不同的地面素材  √
 支持多个Autotile同时存在  √
 直接内嵌了诸多默认的terrains素材  √