diff --git a/character/diy.js b/character/diy.js
index 07f8f5005..611a41058 100644
--- a/character/diy.js
+++ b/character/diy.js
@@ -176,7 +176,7 @@ character.diy={
 			},
 			content:function(){
 				// if(player!=target) player.draw();
-				var list=game.players.slice(0);
+				var list=game.filterPlayer();
 				get.sortSeat(list,target);
 				target.useCard({name:'diaobingqianjiang'},list);
 			},
@@ -185,12 +185,9 @@ character.diy={
 				result:{
 					player:function(player,target){
 						if(ai.get.attitude(player,target)<=1) return 0;
-						var num=0;
-						for(var i=0;i<game.players.length;i++){
-							num+=ai.get.effect(game.players[i],{name:'diaobingqianjiang'},target,player);
-						}
-						// if(player==target) return num/2;
-						return num;
+						return game.countPlayer(function(current){
+							return ai.get.effect(current,{name:'diaobingqianjiang'},target,player);
+						});
 					}
 				}
 			}
@@ -660,22 +657,24 @@ character.diy={
 			trigger:{player:'phaseEnd'},
 			frequent:true,
 			filter:function(event,player){
-				var num=0;
 				var list=['wei','shu','wu','qun'];
-				for(var i=0;i<game.players.length&&list.length;i++){
-					if(list.contains(game.players[i].group)){
-						list.remove(game.players[i].group);
+				var players=game.filterPlayer();
+				var num=0;
+				for(var i=0;i<players.length&&list.length;i++){
+					if(list.contains(players[i].group)){
+						list.remove(players[i].group);
 						num++;
 					}
 				}
 				return player.num('h')<num;
 			},
 			content:function(){
-				var num=0;
 				var list=['wei','shu','wu','qun'];
-				for(var i=0;i<game.players.length&&list.length;i++){
-					if(list.contains(game.players[i].group)){
-						list.remove(game.players[i].group);
+				var players=game.filterPlayer();
+				var num=0;
+				for(var i=0;i<players.length&&list.length;i++){
+					if(list.contains(players[i].group)){
+						list.remove(players[i].group);
 						num++;
 					}
 				}
@@ -1165,14 +1164,15 @@ character.diy={
 			frequent:true,
 			filter:function(event,player){
 				var list=[];
-				for(var i=0;i<game.players.length;i++){
-					if(player!=game.players[i]) list.add(game.players[i].group);
+				var players=game.filterPlayer();
+				for(var i=0;i<players.length;i++){
+					if(player!=players[i]) list.add(players[i].group);
 				}
 				list.remove('unknown');
-				for(var i=0;i<game.players.length;i++){
-					if(game.players[i]!=player){
-						if(lib.filter.targetInRange({name:'sha'},game.players[i],player)){
-							list.remove(game.players[i].group);
+				for(var i=0;i<players.length;i++){
+					if(players[i]!=player){
+						if(lib.filter.targetInRange({name:'sha'},players[i],player)){
+							list.remove(players[i].group);
 						}
 					}
 				}
@@ -1180,14 +1180,15 @@ character.diy={
 			},
 			content:function(){
 				var list=[];
-				for(var i=0;i<game.players.length;i++){
-					if(player!=game.players[i]) list.add(game.players[i].group);
+				var players=game.filterPlayer();
+				for(var i=0;i<players.length;i++){
+					if(player!=players[i]) list.add(players[i].group);
 				}
 				list.remove('unknown');
-				for(var i=0;i<game.players.length;i++){
-					if(game.players[i]!=player){
-						if(lib.filter.targetInRange({name:'sha'},game.players[i],player)){
-							list.remove(game.players[i].group);
+				for(var i=0;i<players.length;i++){
+					if(players[i]!=player){
+						if(lib.filter.targetInRange({name:'sha'},players[i],player)){
+							list.remove(players[i].group);
 						}
 					}
 				}
diff --git a/character/extra.js b/character/extra.js
index deaa58456..0c1bb1852 100644
--- a/character/extra.js
+++ b/character/extra.js
@@ -23,34 +23,32 @@ character.extra={
 					// event.count=trigger.cards.length-1;
 					event.count=1;
 				}
-				var recover=0,lose=0;
-				for(var i=0;i<game.players.length;i++){
-					if(!game.players[i].isOut()){
-						if(game.players[i].hp<game.players[i].maxHp){
-							if(ai.get.attitude(player,game.players[i])>0){
-								if(game.players[i].hp<2){
-									lose--;
-									recover+=0.5;
-								}
+				var recover=0,lose=0,players=game.filterPlayer;
+				for(var i=0;i<players.length;i++){
+					if(players[i].hp<players[i].maxHp){
+						if(ai.get.attitude(player,players[i])>0){
+							if(players[i].hp<2){
 								lose--;
-								recover++;
-							}
-							else if(ai.get.attitude(player,game.players[i])<0){
-								if(game.players[i].hp<2){
-									lose++;
-									recover-=0.5;
-								}
-								lose++;
-								recover--;
+								recover+=0.5;
 							}
+							lose--;
+							recover++;
 						}
-						else{
-							if(ai.get.attitude(player,game.players[i])>0){
-								lose--;
-							}
-							else if(ai.get.attitude(player,game.players[i])<0){
+						else if(ai.get.attitude(player,players[i])<0){
+							if(players[i].hp<2){
 								lose++;
+								recover-=0.5;
 							}
+							lose++;
+							recover--;
+						}
+					}
+					else{
+						if(ai.get.attitude(player,players[i])>0){
+							lose--;
+						}
+						else if(ai.get.attitude(player,players[i])<0){
+							lose++;
 						}
 					}
 				}
@@ -177,14 +175,11 @@ character.extra={
 				order:10,
 				result:{
 					player:function(player){
-						var num=0;
-						for(var i=0;i<game.players.length;i++){
-							if(game.players[i]!=player){
-								if(game.players[i].ai.shown==0) return 0;
-								num+=ai.get.damageEffect(game.players[i],player,player)>0?1:-1;
+						return game.countPlayer(function(current){
+							if(current!=player){
+								return get.sgn(ai.get.damageEffect(current,player,player));
 							}
-						}
-						return num;
+						});
 					}
 				}
 			}
@@ -206,12 +201,11 @@ character.extra={
 						if(!player.storage.shenfen) return 0;
 						var cards=player.get('h','sha');
 						if(cards.length){
-							for(var i=0;i<game.players.length;i++){
-								if(player.canUse('sha',game.players[i])&&
-								ai.get.effect(game.players[i],cards[0],player,player)>0&&
-								game.players[i].num('h','shan')){
-									return 1;
-								}
+							if(game.hasPlayer(function(current){
+								return (player.canUse('sha',current)&&
+								ai.get.effect(current,cards[0],player,player)>0&&current.hasShan());
+							})){
+								return 1;
 							}
 						}
 						return 0;
@@ -522,19 +516,15 @@ character.extra={
 			trigger:{player:'damageEnd'},
 			check:function(event,player){
 				if(player.isTurnedOver()) return true;
-				var num=0;
-				for(var i=0;i<game.players.length;i++){
-					if(game.players[i].num('he')&&game.players[i]!=player&&
-						ai.get.attitude(player,game.players[i])<=0){
-						num++;
+				var num=game.countPlayer(function(current){
+					if(current.num('he')&&current!=player&&ai.get.attitude(player,current)<=0){
+						return true;
 					}
-					if(game.players[i].num('j')&&game.players[i]!=player&&
-						ai.get.attitude(player,game.players[i])>0){
-						num++;
+					if(current.num('j')&&current!=player&&ai.get.attitude(player,current)>0){
+						return true;
 					}
-					if(num>=2) return true;
-				}
-				return false;
+				});
+				return num>=2;
 			},
 			content:function(){
 				"step 0"
@@ -572,21 +562,18 @@ character.extra={
 					target:function(card,player,target){
 						if(get.tag(card,'damage')){
 							if(player.hasSkill('jueqing')) return [1,-2];
-							if(target.hp==1) return;
+							if(target.hp==1) return 0.8;
 							if(target.isTurnedOver()) return [0,3];
-							var num=0;
-							for(var i=0;i<game.players.length;i++){
-								if(game.players[i].num('he')&&game.players[i]!=player&&
-									ai.get.attitude(player,game.players[i])<=0){
-									num++;
+							var num=game.countPlayer(function(current){
+								if(current.num('he')&&current!=player&&ai.get.attitude(player,current)<=0){
+									return true;
 								}
-								if(game.players[i].num('j')&&game.players[i]!=player&&
-									ai.get.attitude(player,game.players[i])>0){
-									num++;
+								if(current.num('j')&&current!=player&&ai.get.attitude(player,current)>0){
+									return true;
 								}
-								if(num>2) return [0,1];
-								if(num==2) return [0.5,1];
-							}
+							});
+							if(num>2) return [0,1];
+							if(num==2) return [0.5,1];
 						}
 					}
 				}
@@ -696,7 +683,7 @@ character.extra={
 			content:function(){
 				"step 0"
 				player.chooseTarget('选择角色获得大雾标记',
-				[1,Math.min(game.players.length,player.storage.qixing.length)]).ai=function(target){
+				[1,Math.min(game.countPlayer(),player.storage.qixing.length)]).ai=function(target){
 					if(target.isMin()) return 0;
 					if(target.hasSkill('biantian2')) return 0;
 					var att=ai.get.attitude(player,target);
@@ -886,14 +873,7 @@ character.extra={
 					target:function(player,target){
 						if(target.hasSkillTag('nofire')) return 0;
 						if(lib.config.mode=='versus') return -1;
-						for(var i=0;i<game.players.length;i++){
-							if(lib.config.mode=='identity'){
-								if(game.players[i].ai.shown<=0.2) return 0;
-							}
-							else if(lib.config.mode=='guozhan'){
-								if(game.players[i].identity=='unknown') return 0;
-							}
-						}
+						if(player.hasUnknown()) return 0;
 						return ai.get.damageEffect(target,player);
 					}
 				}
diff --git a/character/ow.js b/character/ow.js
index 8fc62cfd3..4f5e45886 100644
--- a/character/ow.js
+++ b/character/ow.js
@@ -21,7 +21,7 @@ character.ow={
         // ow_baolei:['male','qun',4,[]],
         ow_banzang:['male','qun',4,['fengshi','yinbo']],
         ow_laiyinhate:['male','qun',4,['zhongdun','mengji']],
-        ow_luba:['male','shu',5,['liangou','xiyang']],
+        ow_luba:['male','shu',4,['liangou','xiyang']],
         // ow_wensidun:['male','shu',4,[]],
         // ow_zhaliya:['female','shu',4,['pingzhang','lichang']],
         ow_heiying:['female','wei',3,['qinru','yinshen','maichong']],