diff --git a/inc/hgl/io/event/InputEvent.h b/inc/hgl/io/event/InputEvent.h
index 378667d..8e37b0f 100644
--- a/inc/hgl/io/event/InputEvent.h
+++ b/inc/hgl/io/event/InputEvent.h
@@ -47,14 +47,14 @@ namespace hgl
                     for(InputEvent *ie:sub_event_proc[header.type])
                         if(ie->OnEvent(header,data)==EventProcResult::Break)
                             return EventProcResult::Break;
+                }
 
-                    if(sub_event_proc[size_t(InputEventSource::Root)].GetCount()>0
-                     &&InputEventSource(header.type)!=InputEventSource::Root)
-                    {
-                        for(InputEvent *ie:sub_event_proc[size_t(InputEventSource::Root)])
-                            if(ie->OnEvent(header,data)==EventProcResult::Break)
-                                return EventProcResult::Break;
-                    }
+                if(sub_event_proc[size_t(InputEventSource::Root)].GetCount()>0
+                    &&InputEventSource(header.type)!=InputEventSource::Root)
+                {
+                    for(InputEvent *ie:sub_event_proc[size_t(InputEventSource::Root)])
+                        if(ie->OnEvent(header,data)==EventProcResult::Break)
+                            return EventProcResult::Break;
                 }
 
                 return(EventProcResult::Continue);
diff --git a/inc/hgl/io/event/KeyboardEvent.h b/inc/hgl/io/event/KeyboardEvent.h
index fb0f8e8..bcd3a46 100644
--- a/inc/hgl/io/event/KeyboardEvent.h
+++ b/inc/hgl/io/event/KeyboardEvent.h
@@ -180,9 +180,9 @@ namespace hgl
                 return EventProcResult::Continue;
             }
 
-            virtual bool OnPressed(const KeyboardButton &kb){}
-            virtual bool OnReleased(const KeyboardButton &kb){}
-            virtual bool OnChar(const wchar_t &){}
+            virtual bool OnPressed(const KeyboardButton &kb){return(false);}
+            virtual bool OnReleased(const KeyboardButton &kb){return(false);}
+            virtual bool OnChar(const wchar_t &){return(false);}
         };//class KeyboardEvent
 
         class KeyboardStateEvent:public KeyboardEvent
diff --git a/inc/hgl/io/event/MouseEvent.h b/inc/hgl/io/event/MouseEvent.h
index 469f086..8cd00c6 100644
--- a/inc/hgl/io/event/MouseEvent.h
+++ b/inc/hgl/io/event/MouseEvent.h
@@ -1,4 +1,4 @@
-#ifndef HGL_IO_MOUSE_EVENT_INCLUDE
+#ifndef HGL_IO_MOUSE_EVENT_INCLUDE
 #define HGL_IO_MOUSE_EVENT_INCLUDE
 
 #include<hgl/io/event/InputEvent.h>
@@ -7,7 +7,7 @@ namespace hgl
     namespace io
     {
         /**
-        * ��갴ťö��
+        * 鼠标按钮枚举
         */
         enum class MouseButton
         {
@@ -19,7 +19,7 @@ namespace hgl
 
             X1,X2,
 
-            ENUM_CLASS_RANGE(Left,X2)
+            ENUM_CLASS_RANGE(None,X2)
         };
 
         enum class MouseEventID
@@ -50,9 +50,14 @@ namespace hgl
 
             int x,y;
 
+            bool pressed_statues[size_t(MouseButton::RANGE_SIZE)];
+
         public:
 
-            MouseEvent():InputEvent(InputEventSource::Mouse){}
+            MouseEvent():InputEvent(InputEventSource::Mouse)
+            {
+                hgl_zero(pressed_statues);
+            }
             virtual ~MouseEvent()=default;
             
             EventProcResult OnEvent(const EventHeader &header,const uint64 data) override
@@ -73,8 +78,10 @@ namespace hgl
                     switch(MouseEventID(header.id))
                     {
                         case MouseEventID::Move:        if(OnMove       (med->x,med->y)                         )return EventProcResult::Break;break;
-                        case MouseEventID::Pressed:     if(OnPressed    (med->x,med->y,MouseButton(med->button)))return EventProcResult::Break;break;
-                        case MouseEventID::Released:    if(OnReleased   (med->x,med->y,MouseButton(med->button)))return EventProcResult::Break;break;
+                        case MouseEventID::Pressed:     pressed_statues[med->button]=true;                                
+                                                        if(OnPressed    (med->x,med->y,MouseButton(med->button)))return EventProcResult::Break;break;
+                        case MouseEventID::Released:    pressed_statues[med->button]=false;
+                                                        if(OnReleased   (med->x,med->y,MouseButton(med->button)))return EventProcResult::Break;break;
                         case MouseEventID::DblClicked:  if(OnDblClicked (med->x,med->y,MouseButton(med->button)))return EventProcResult::Break;break;
                     }
                 }
@@ -89,6 +96,16 @@ namespace hgl
             virtual bool OnReleased  (int,int,MouseButton){return false;}
             virtual bool OnDblClicked(int,int,MouseButton){return false;}
 
+            /**
+             * 某按键是否按下
+             */
+            const bool HasPressed(const MouseButton &mb)const
+            {
+                if(!RangeCheck(mb))return(false);
+
+                return pressed_statues[size_t(mb)];
+            }
+
         public:
 
             const int GetX()const{return x;}