diff --git a/game.js b/game.js
index 1c706cf..0e2489e 100644
--- a/game.js
+++ b/game.js
@@ -84,19 +84,19 @@ function Game(id,params){
     Item.prototype.bind = function(eventType,callback){
         if(!_events[eventType]){
             _events[eventType] = {};
-            $canvas.addEventListener(eventType,function(e){
-                var position = _.getPosition(e);
-                _stages[_index].items.forEach(function(item){
-                    if(Math.abs(position.x-item.x)<item.width/2&&Math.abs(position.y-item.y)<item.height/2){
-                        var key = 's'+_index+'i'+item._id;
-                        if(_events[eventType][key]){
-                            _events[eventType][key](e);
-                        }
-                    }
-                });
-                e.preventDefault();
-            });
         }
+        $canvas.addEventListener(eventType,function(e){
+            var position = _.getPosition(e);
+            _stages[_index].items.forEach(function(item){
+                if(item.x<=position.x&&position.x<=item.x+item.width&&item.y<=position.y&&position.y<=item.y+item.height){
+                    var key = 's'+_index+'i'+item._id;
+                    if(_events[eventType][key]){
+                        _events[eventType][key](e);
+                    }
+                }
+            });
+            e.preventDefault();
+        });
         _events[eventType]['s'+this._stage.index+'i'+this._id] = callback.bind(this);  //绑定作用域
     };
     //地图对象构造器
@@ -310,14 +310,14 @@ function Game(id,params){
     Stage.prototype.bind = function(eventType,callback){
         if(!_events[eventType]){
             _events[eventType] = {};
-            window.addEventListener(eventType,function(e){
-                var key = 's' + _index;
-                if(_events[eventType][key]){
-                    _events[eventType][key](e);
-                }
-                e.preventDefault();
-            });
         }
+        window.addEventListener(eventType,function(e){
+            var key = 's' + _index;
+            if(_events[eventType][key]){
+                _events[eventType][key](e);
+            }
+            e.preventDefault();
+        });
         _events[eventType]['s'+this.index] = callback.bind(this);	//绑定事件作用域
     };
     //动画开始
diff --git a/index.js b/index.js
index ae91ae8..6148ab0 100644
--- a/index.js
+++ b/index.js
@@ -561,15 +561,21 @@
 		});
 		//版权信息
 		stage.createItem({
-			x:game.width-12,
+			x:game.width-10,
 			y:game.height-5,
 			draw:function(context){
-				context.font = '14px Helvetica';
-				context.textAlign = 'right';
-				context.textBaseline = 'bottom';
+				var text = '© passer-by.com';
+				context.font = '14px/20px Helvetica';
+				context.textAlign = 'left';
+				context.textBaseline = 'top';
 				context.fillStyle = '#AAA';
-				context.fillText('© passer-by.com',this.x,this.y);
+				this.width = context.measureText(text).width;
+				this.x = game.width-this.width-10;
+				this.y = game.height-20-5;
+				context.fillText(text,this.x,this.y);
 			}
+		}).bind('click',function(){
+			window.open('https://passer-by.com');
 		});
 		//事件绑定
 		stage.bind('keydown',function(e){