diff --git a/game/game.js b/game/game.js
index 3d38e34fc..7ae583729 100644
--- a/game/game.js
+++ b/game/game.js
@@ -331,7 +331,7 @@
 						unfrequent:true,
 					},
 					update:function(config,map){
-						if(document.hasOwnProperty('ontouchstart')){
+						if('ontouchstart' in document){
 							map.touchscreen.show();
 						}
 						else{
@@ -4408,7 +4408,7 @@
 				delete window.music;
 				delete window.font;
 
-				if(document.hasOwnProperty('ontouchstart')){
+				if('ontouchstart' in document){
 					if(!lib.config.totouched){
 						game.saveConfig('totouched',true);
 						game.saveConfig('touchscreen',true);
diff --git a/game/update.js b/game/update.js
index 9cde016c8..fedb70594 100644
--- a/game/update.js
+++ b/game/update.js
@@ -3,7 +3,7 @@ window.noname_update={
     update:'1.9.8.4',
     changeLog:[
         'bug修复',
-        '注意：可能有更多bug'
+        '注意：此版本可能bug较多'
     ],
     files:[
         // 'game/game.js',