diff --git a/CHANGELOG.MD b/CHANGELOG.MD
index 397d761a5..1f02ab964 100644
--- a/CHANGELOG.MD
+++ b/CHANGELOG.MD
@@ -1,3 +1,4 @@
 1.5.5
 塔防模式
 修复若干bug
+提升性能
diff --git a/game/game.js b/game/game.js
index a023c8ad5..143f765e8 100755
--- a/game/game.js
+++ b/game/game.js
@@ -1375,12 +1375,14 @@
 							map.chess_obstacle.hide();
 							map.tafang_size.show();
 							map.tafang_turn.show();
+							map.tafang_difficulty.show();
 						}
 						else{
 							map.chess_treasure.show();
 							map.chess_obstacle.show();
 							map.tafang_size.hide();
 							map.tafang_turn.hide();
+							map.tafang_difficulty.hide();
 						}
 						if(config.chess_mode=='combat'||config.chess_mode=='tafang'){
 							map.ban_weak.show();
@@ -1915,6 +1917,7 @@
 						game.saveConfig('totouched',true);
 						if(totouch){
 							game.saveConfig('touchscreen',true);
+							game.saveConfig('fold_card',false);
 							game.reload();
 						}
 					}
@@ -5908,17 +5911,29 @@
 					}
 					if(cards){
 						cards=cards.slice(0);
-						node=cards.shift().copy('drawing','thrown');
+						node=cards.shift().copy('thrown');
 					}
 					else{
-						node=ui.create.div('.card.drawing.thrown');
+						node=ui.create.div('.card.thrown');
 					}
 					node.fixed=true;
-					node.dataset.position=this.dataset.position;
+					node.hide();
+					// node.dataset.position=this.dataset.position;
+					node.style.left='calc(50% - 52px)';
+					node.style.top='calc(50% - 52px)';
 					this.parentNode.appendChild(node);
+					node.style.transitionDuration='1s';
+					ui.refresh(node);
+
+					var dx=this.offsetLeft+this.offsetWidth/2-52-node.offsetLeft;
+					var dy=this.offsetTop+this.offsetHeight/2-52-node.offsetTop;
+					node.style.transform+=' translate('+dx+'px,'+dy+'px)';
+					node.show();
+
 					setTimeout(function(){
-						node.remove();
-					},1000);
+						node.style.transitionDuration='0.5s';
+						node.delete();
+					},700);
 					var that=this;
 					if(num&&num>1){
 						setTimeout(function(){
@@ -5998,7 +6013,7 @@
 						if(false){
 							var node=this.$throwxy(card,
 								'calc(50% - 52px '+((Math.random()-0.5<0)?'+':'-')+' '+Math.random()*100+'px)',
-								'calc(50% - 52px '+((Math.random()-0.5<0)?'+':'-')+' '+Math.random()*80+'px)',true
+								'calc(50% - 52px '+((Math.random()-0.5<0)?'+':'-')+' '+Math.random()*80+'px)'
 							);
 						}
 						else{
@@ -6011,22 +6026,9 @@
 					}
 				},
 				$throwordered:function(node,nosource){
-					if(nosource){
-						node.style.transform='scale(0)';
-						node.classList.add('center');
-					}
-					else{
-						node.dataset.position=this.dataset.position;
-					}
 					node.classList.add('thrown');
 					node.hide();
 					node.style.transitionProperty='left,top,opacity,transform';
-					ui.arena.appendChild(node);
-					ui.refresh(node);
-					if(nosource){
-						node.style.transform='';
-					}
-					node.show();
 					for(var i=0;i<ui.thrown.length;i++){
 						if(ui.thrown[i].parentNode!=ui.arena||
 							ui.thrown[i].classList.contains('removing')){
@@ -6084,16 +6086,35 @@
 							throwns[i].style.top=top;
 						}
 					}
+					if(nosource){
+						node.style.transform='scale(0)';
+						node.classList.add('center');
+					}
+					else{
+						var parseCalc=function(str){
+							var per=str.slice(str.indexOf('calc(')+5,str.indexOf('%'));
+							var add=str.slice(str.indexOf('%')+1,str.indexOf('px')).replace(/\s/g,'');
+							return [parseInt(per),parseInt(add)];
+						}
+						var nx=parseCalc(node.style.left);
+						var ny=parseCalc(node.style.top);
+						nx=nx[0]*ui.arena.offsetWidth/100+nx[1];
+						ny=ny[0]*ui.arena.offsetHeight/100+ny[1];
+						var dx=this.offsetLeft+this.offsetWidth/2-52-nx;
+						var dy=this.offsetTop+this.offsetHeight/2-52-ny;
+						node.style.transform+=' translate('+dx+'px,'+dy+'px)';
+					}
+					ui.arena.appendChild(node);
+					ui.refresh(node);
+					node.style.transform='';
+					node.show();
 					return node;
 				},
-				$throwxy:function(card,left,top,transform){
+				$throwxy:function(card,left,top){
 					var node=card.copy('thrown');
 					node.dataset.position=this.dataset.position;
 					node.hide();
 					node.style.transitionProperty='left,top,opacity';
-					if(transform){
-						node.style.transform='rotate('+(Math.random()*16-8)+'deg)';
-					}
 					ui.arena.appendChild(node);
 					ui.refresh(node);
 					node.show();
@@ -6163,7 +6184,7 @@
 							else{
 								node=ui.create.div('.card.thrown');
 							}
-							node.dataset.position=this.dataset.position;
+							// node.dataset.position=this.dataset.position;
 							node.fixed=true;
 							this.$throwordered(node);
 							// node.hide();
@@ -6178,8 +6199,12 @@
 							// node.style.top='calc(50% - 52px '+((Math.random()-0.5<0)?'+':'-')+' '+Math.random()*80+'px)';
 
 							setTimeout(function(){
-								node.removeAttribute('style');
-								node.dataset.position=player.dataset.position;
+								// node.removeAttribute('style');
+								// node.dataset.position=player.dataset.position;
+								var dx=player.offsetLeft+player.offsetWidth/2-52-node.offsetLeft;
+								var dy=player.offsetTop+player.offsetHeight/2-52-node.offsetTop;
+								node.style.transform+=' translate('+dx+'px,'+dy+'px)';
+
 								node.delete();
 							},700);
 						}
@@ -6677,9 +6702,14 @@
 				},
 				moveTo:function(player,method){
 					this.fixed=true;
-					this.style.left='';
-					this.style.top='';
-					this.dataset.position=player.dataset.position;
+					this.style.left=this.offsetLeft+'px';
+					this.style.top=this.offsetTop+'px';
+
+					var dx=player.offsetLeft+player.offsetWidth/2-52-this.offsetLeft;
+					var dy=player.offsetTop+player.offsetHeight/2-52-this.offsetTop;
+					this.style.transform+=' translate('+dx+'px,'+dy+'px)';
+
+					// this.dataset.position=player.dataset.position;
 					if(method=='flip'){
 						this.style.transition='all 0.5s';
 						this.style.transform='rotate'+(Math.random()<0.5?'X':'Y')+'(180deg) perspective(1000px)';
@@ -15160,17 +15190,25 @@
 		updatehx:function(node){
 			var num=node.childElementCount-node.getElementsByClassName('removing').length;
 			var width=node._handcardsWidth;
+			node.classList.remove('fold0');
+			node.classList.remove('fold1');
+			node.classList.remove('fold2');
+			node.classList.remove('fold3');
 			if(num*78+40>=width){
-				node.dataset.fold=3;
+				// node.dataset.fold=3;
+				node.classList.add('fold3');
 			}
 			else if(num*93+25>=width){
-				node.dataset.fold=2;
+				// node.dataset.fold=2;
+				node.classList.add('fold2');
 			}
 			else if(num*112+6>=width){
-				node.dataset.fold=1;
+				// node.dataset.fold=1;
+				node.classList.add('fold1');
 			}
 			else{
-				node.dataset.fold=0;
+				// node.dataset.fold=0;
+				node.classList.add('fold0');
 			}
 		},
 		update:function(){
diff --git a/image/character/fullskin/boss_dongzhuo.jpg b/image/character/fullskin/boss_dongzhuo.jpg
index 96294821c..8138267e9 100755
Binary files a/image/character/fullskin/boss_dongzhuo.jpg and b/image/character/fullskin/boss_dongzhuo.jpg differ
diff --git a/image/character/fullskin/boss_liubei.jpg b/image/character/fullskin/boss_liubei.jpg
index a77fd2797..018918ed4 100755
Binary files a/image/character/fullskin/boss_liubei.jpg and b/image/character/fullskin/boss_liubei.jpg differ
diff --git a/image/character/fullskin/boss_pangtong.jpg b/image/character/fullskin/boss_pangtong.jpg
index cca531303..19135e79f 100755
Binary files a/image/character/fullskin/boss_pangtong.jpg and b/image/character/fullskin/boss_pangtong.jpg differ
diff --git a/image/character/fullskin/boss_shuijing.jpg b/image/character/fullskin/boss_shuijing.jpg
index 5a3b21f15..22f7587a0 100755
Binary files a/image/character/fullskin/boss_shuijing.jpg and b/image/character/fullskin/boss_shuijing.jpg differ
diff --git a/image/character/fullskin/boss_zhenji.jpg b/image/character/fullskin/boss_zhenji.jpg
index 8a6e73b48..b5ec0a7f7 100755
Binary files a/image/character/fullskin/boss_zhenji.jpg and b/image/character/fullskin/boss_zhenji.jpg differ
diff --git a/image/character/fullskin/hs_totemic.jpg b/image/character/fullskin/hs_totemic.jpg
index 82829b48a..ff8cda22d 100644
Binary files a/image/character/fullskin/hs_totemic.jpg and b/image/character/fullskin/hs_totemic.jpg differ
diff --git a/image/character/fullskin/hs_wujiyuansu.jpg b/image/character/fullskin/hs_wujiyuansu.jpg
index 0a8b010c7..afd11c5c4 100644
Binary files a/image/character/fullskin/hs_wujiyuansu.jpg and b/image/character/fullskin/hs_wujiyuansu.jpg differ
diff --git a/image/character/fullskin/hs_wuther.jpg b/image/character/fullskin/hs_wuther.jpg
index 0bab2a6d1..fee211994 100755
Binary files a/image/character/fullskin/hs_wuther.jpg and b/image/character/fullskin/hs_wuther.jpg differ
diff --git a/image/character/fullskin/hs_wvelen.jpg b/image/character/fullskin/hs_wvelen.jpg
index 526202afa..f7936cb12 100644
Binary files a/image/character/fullskin/hs_wvelen.jpg and b/image/character/fullskin/hs_wvelen.jpg differ
diff --git a/image/character/fullskin/hs_yngvar.jpg b/image/character/fullskin/hs_yngvar.jpg
index 28b85f73a..4745518a5 100644
Binary files a/image/character/fullskin/hs_yngvar.jpg and b/image/character/fullskin/hs_yngvar.jpg differ
diff --git a/image/character/fullskin/hs_zhouzhuo.jpg b/image/character/fullskin/hs_zhouzhuo.jpg
index 2698b0a43..b7f4b1b9b 100644
Binary files a/image/character/fullskin/hs_zhouzhuo.jpg and b/image/character/fullskin/hs_zhouzhuo.jpg differ
diff --git a/image/character/fullskin/null.png b/image/character/fullskin/null.png
deleted file mode 100644
index 28f7e3ca0..000000000
Binary files a/image/character/fullskin/null.png and /dev/null differ
diff --git a/image/character/fullskin/re_zhangfei.jpg b/image/character/fullskin/re_zhangfei.jpg
index 7f7a6011f..77fb464fb 100755
Binary files a/image/character/fullskin/re_zhangfei.jpg and b/image/character/fullskin/re_zhangfei.jpg differ
diff --git a/image/character/fullskin/swd_duanmeng.jpg b/image/character/fullskin/swd_duanmeng.jpg
index 637267d45..90e8d1079 100755
Binary files a/image/character/fullskin/swd_duanmeng.jpg and b/image/character/fullskin/swd_duanmeng.jpg differ
diff --git a/image/character/fullskin/swd_hengai.jpg b/image/character/fullskin/swd_hengai.jpg
index dccf4d5cc..65ba23c3c 100755
Binary files a/image/character/fullskin/swd_hengai.jpg and b/image/character/fullskin/swd_hengai.jpg differ
diff --git a/image/character/fullskin/swd_huanyuanzhi.jpg b/image/character/fullskin/swd_huanyuanzhi.jpg
index 17217aa3e..2abca2242 100755
Binary files a/image/character/fullskin/swd_huanyuanzhi.jpg and b/image/character/fullskin/swd_huanyuanzhi.jpg differ
diff --git a/image/character/fullskin/swd_huyue.jpg b/image/character/fullskin/swd_huyue.jpg
index e67ac1b14..e55cba910 100755
Binary files a/image/character/fullskin/swd_huyue.jpg and b/image/character/fullskin/swd_huyue.jpg differ
diff --git a/image/character/fullskin/swd_jiangwu.jpg b/image/character/fullskin/swd_jiangwu.jpg
index 20df85c8f..b9cadddc0 100755
Binary files a/image/character/fullskin/swd_jiangwu.jpg and b/image/character/fullskin/swd_jiangwu.jpg differ
diff --git a/image/character/fullskin/swd_jiliang.jpg b/image/character/fullskin/swd_jiliang.jpg
index 55d4f2bd1..22ecf993c 100755
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diff --git a/image/character/fullskin/swd_jipeng.jpg b/image/character/fullskin/swd_jipeng.jpg
index 75253658d..ea4eab8c4 100755
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diff --git a/image/character/fullskin/swd_jiting.jpg b/image/character/fullskin/swd_jiting.jpg
index 953ebc340..0c761ee8d 100755
Binary files a/image/character/fullskin/swd_jiting.jpg and b/image/character/fullskin/swd_jiting.jpg differ
diff --git a/image/character/fullskin/swd_kangnalishi.jpg b/image/character/fullskin/swd_kangnalishi.jpg
index b55ecece7..301d31662 100644
Binary files a/image/character/fullskin/swd_kangnalishi.jpg and b/image/character/fullskin/swd_kangnalishi.jpg differ
diff --git a/image/character/fullskin/swd_muyue.jpg b/image/character/fullskin/swd_muyue.jpg
index 872313ba0..b0ef97ac3 100755
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diff --git a/image/character/fullskin/swd_rongshuang.jpg b/image/character/fullskin/swd_rongshuang.jpg
index ae59612dd..b37f3811c 100755
Binary files a/image/character/fullskin/swd_rongshuang.jpg and b/image/character/fullskin/swd_rongshuang.jpg differ
diff --git a/image/character/fullskin/swd_septem.jpg b/image/character/fullskin/swd_septem.jpg
index 3f3a865b3..54019c39d 100755
Binary files a/image/character/fullskin/swd_septem.jpg and b/image/character/fullskin/swd_septem.jpg differ
diff --git a/image/character/fullskin/swd_shangzhang.jpg b/image/character/fullskin/swd_shangzhang.jpg
index 6378eb6e5..15b182217 100755
Binary files a/image/character/fullskin/swd_shangzhang.jpg and b/image/character/fullskin/swd_shangzhang.jpg differ
diff --git a/image/character/fullskin/swd_situqiang.jpg b/image/character/fullskin/swd_situqiang.jpg
index 442048b11..3e7784533 100755
Binary files a/image/character/fullskin/swd_situqiang.jpg and b/image/character/fullskin/swd_situqiang.jpg differ
diff --git a/image/character/fullskin/swd_wangsiyue.jpg b/image/character/fullskin/swd_wangsiyue.jpg
index e0a4610ce..0c23a437a 100644
Binary files a/image/character/fullskin/swd_wangsiyue.jpg and b/image/character/fullskin/swd_wangsiyue.jpg differ
diff --git a/image/character/fullskin/swd_youzhao.jpg b/image/character/fullskin/swd_youzhao.jpg
index 3e0eaea01..410c1bca7 100755
Binary files a/image/character/fullskin/swd_youzhao.jpg and b/image/character/fullskin/swd_youzhao.jpg differ
diff --git a/image/meta/noname.png b/image/meta/iconset/icon-1024.png
old mode 100755
new mode 100644
similarity index 100%
rename from image/meta/noname.png
rename to image/meta/iconset/icon-1024.png
diff --git a/image/meta/iconset/icon-128.png b/image/meta/iconset/icon-128.png
new file mode 100644
index 000000000..0268c36eb
Binary files /dev/null and b/image/meta/iconset/icon-128.png differ
diff --git a/image/meta/iconset/icon-144.png b/image/meta/iconset/icon-144.png
new file mode 100644
index 000000000..52a97a2b5
Binary files /dev/null and b/image/meta/iconset/icon-144.png differ
diff --git a/image/meta/iconset/icon-192.png b/image/meta/iconset/icon-192.png
new file mode 100644
index 000000000..e211ad549
Binary files /dev/null and b/image/meta/iconset/icon-192.png differ
diff --git a/image/meta/iconset/icon-256.png b/image/meta/iconset/icon-256.png
new file mode 100644
index 000000000..6c0d77457
Binary files /dev/null and b/image/meta/iconset/icon-256.png differ
diff --git a/image/meta/iconset/icon-512.png b/image/meta/iconset/icon-512.png
new file mode 100644
index 000000000..7cb6faa0e
Binary files /dev/null and b/image/meta/iconset/icon-512.png differ
diff --git a/image/meta/iconset/icon-72.png b/image/meta/iconset/icon-72.png
new file mode 100644
index 000000000..0f3d2c8e2
Binary files /dev/null and b/image/meta/iconset/icon-72.png differ
diff --git a/image/meta/iconset/icon-96.png b/image/meta/iconset/icon-96.png
new file mode 100644
index 000000000..2d75db9f8
Binary files /dev/null and b/image/meta/iconset/icon-96.png differ
diff --git a/layout/default/fold.css b/layout/default/fold.css
index 7f89dd94b..74e205b38 100755
--- a/layout/default/fold.css
+++ b/layout/default/fold.css
@@ -1,10 +1,10 @@
-#me>[data-fold='1']>.card:not(.selected){margin-right: -15px;}
-#me>[data-fold='2']>.card:not(.selected){margin-right: -30px;}
-#me>[data-fold='3']>.card:not(.selected){margin-right: -45px;}
+#me>.fold1>.card:not(.selected){margin-right: -15px;}
+#me>.fold2>.card:not(.selected){margin-right: -30px;}
+#me>.fold3>.card:not(.selected){margin-right: -45px;}
 
-#me>[data-fold='1']>.card:not(.selected):hover,
-#me>[data-fold='2']>.card:not(.selected):hover,
-#me>[data-fold='3']>.card:not(.selected):hover{margin-right: 0;}
+#me>.fold1>.card:not(.selected):hover,
+#me>.fold2>.card:not(.selected):hover,
+#me>.fold3>.card:not(.selected):hover{margin-right: 0;}
 
 #me>div>.card:last-child{margin-right: 0 !important;}
 #me>div>.card.last{margin-right: 0 !important;}
diff --git a/layout/default/fold2.css b/layout/default/fold2.css
index 41b826f0d..c0f13a8d7 100755
--- a/layout/default/fold2.css
+++ b/layout/default/fold2.css
@@ -1,14 +1,14 @@
-#me>[data-fold='1']>.card:not(.selected){margin-right: -30px;transform:perspective(1000px) rotateY(30deg);}
-#me>[data-fold='2']>.card:not(.selected){margin-right: -38px;transform:perspective(1000px) rotateY(38deg);}
-#me>[data-fold='3']>.card:not(.selected){margin-right: -45px;transform:perspective(1000px) rotateY(45deg);}
+#me>.fold1>.card:not(.selected){margin-right: -30px;transform:perspective(1000px) rotateY(30deg);}
+#me>.fold2>.card:not(.selected){margin-right: -38px;transform:perspective(1000px) rotateY(38deg);}
+#me>.fold3>.card:not(.selected){margin-right: -45px;transform:perspective(1000px) rotateY(45deg);}
 
-#me>[data-fold='1']>.card:not(.selected):hover,
-#me>[data-fold='2']>.card:not(.selected):hover,
-#me>[data-fold='3']>.card:not(.selected):hover{margin-right: -8px;transform:perspective(1000px) rotateY(0);}
+#me>.fold1>.card:not(.selected):hover,
+#me>.fold2>.card:not(.selected):hover,
+#me>.fold3>.card:not(.selected):hover{margin-right: -8px;transform:perspective(1000px) rotateY(0);}
 
-#me>[data-fold='1']>.card.start,
-#me>[data-fold='2']>.card.start,
-#me>[data-fold='3']>.card.start{transform:none;}
+#me>.fold1>.card.start,
+#me>.fold2>.card.start,
+#me>.fold3>.card.start{transform:none;}
 
 #me>div>.card:last-child{margin-right: -8px;}
 #me>div>.card.last{margin-right: -8px;}
diff --git a/manifest.json b/manifest.json
new file mode 100644
index 000000000..f0802d2a8
--- /dev/null
+++ b/manifest.json
@@ -0,0 +1,33 @@
+{
+  "name": "noname",
+  "xwalk_version": "1.5.5",
+  "start_url": "index.html",
+  "icons": [
+    {
+      "src": "image/meta/iconset/icon-256.png",
+      "sizes": "192x192",
+      "type": "image/png",
+      "density": "1.3"
+    },
+    {
+      "src": "image/meta/iconset/icon-256.png",
+      "sizes": "144x144",
+      "type": "image/png",
+      "density": "1.8"
+    },
+    {
+      "src": "image/meta/iconset/icon-256.png",
+      "sizes": "96x96",
+      "type": "image/png",
+      "density": "2.7"
+    },
+    {
+      "src": "image/meta/iconset/icon-256.png",
+      "sizes": "72x72",
+      "type": "image/png",
+      "density": "3.6"
+    }
+  ],
+  "display": "fullscreen",
+  "orientation": "landscape"
+}
diff --git a/mode/chess.js b/mode/chess.js
index 1fb2d1391..5b4e8a99a 100755
--- a/mode/chess.js
+++ b/mode/chess.js
@@ -674,10 +674,11 @@ mode.chess={
 		treasures:[],
 		obstacles:[],
 		getVideoName:function(){
-			var name=[
-				get.translation(game.me.name),
-				'战棋'+get.translation(get.config('chess_mode'))+' - '+_status.friendCount+'v'+_status.enemyCount
-			];
+			var str='战棋'+get.translation(get.config('chess_mode'))+' - '+_status.friendCount+'v'+_status.enemyCount;
+			if(get.config('chess_mode')=='tafang'){
+				str='战棋 - 塔防';
+			}
+			var name=[get.translation(game.me.name),str];
 			return name;
 		},
 		addChessPlayer:function(name,enemy,num,pos){
diff --git a/mode/versus.js b/mode/versus.js
index a6719f7d1..60c31dab8 100755
--- a/mode/versus.js
+++ b/mode/versus.js
@@ -517,17 +517,17 @@ mode.versus={
 							game.enemy[i].identity='zhong';
 							game.enemy[i].setIdentity(!_status.color+'Zhong');
 						}
-						if(lib.storage.zhu&&!game.enemyZhu){
-							game.enemy[0].identity='zhu';
-							game.enemy[0].setIdentity(!_status.color+'Zhu');
-							game.enemyZhu=game.enemy[0];
-						}
 					}
 					game.friend[i].node.identity.dataset.color=get.translation(_status.color+'Color');
 					game.enemy[i].node.identity.dataset.color=get.translation(!_status.color+'Color');
 					// game.friend[i].node.identity.style.backgroundColor=get.translation(_status.color+'Color');
 					// game.enemy[i].node.identity.style.backgroundColor=get.translation(!_status.color+'Color');
 				}
+				if(lib.storage.zhu&&!game.enemyZhu){
+					game.enemy[0].identity='zhu';
+					game.enemy[0].setIdentity(!_status.color+'Zhu');
+					game.enemyZhu=game.enemy[0];
+				}
 				"step 2"
 				var num=lib.storage.number;
 				if(result&&result.buttons){