diff --git a/designer/utslcodeeditor.tsf b/designer/utslcodeeditor.tsf
index 7ebace5..0809347 100644
--- a/designer/utslcodeeditor.tsf
+++ b/designer/utslcodeeditor.tsf
@@ -4899,6 +4899,10 @@ type tfincodemap = class(tcustomcontrol)
     end
     function caretchanged(y);
     begin
+        if y>=fcaretya and y<fcaretyb then  //记录位置减少计算
+        begin
+            return ;
+        end 
         if fisloading then return ;        
         fissetnode := true;
         GoToTheNode(y); 
@@ -4989,7 +4993,9 @@ type tfincodemap = class(tcustomcontrol)
             FString := s;
         flistv := getblocktypes();
         if s then r := tsl_tokenizeex_2_(s,flistv);
-        else r := array();     
+        else r := array(); 
+        fcaretya := -1;    
+        fcaretyb := -1;    
         fisloading := true;   
         nd.RecyclingChildren();
         FTempNodes := array();
@@ -5024,13 +5030,21 @@ type tfincodemap = class(tcustomcontrol)
             if v._tag <= line then
             begin
                 nd := v;
+                fcaretya := v._tag;
             end else
             if v._tag >= Line then
             begin
                 FTree.SetSel(nd);
-                break;
+                fcaretyb := v._tag;
+                return ; 
+                //break;
             end
         end
+        if nd and nd._Tag<=line then 
+        begin
+            FTree.SetSel(nd);
+            fcaretyb := line;
+        end 
     end
     function ScriptDelBlocks(blcks,strs,Node,ct);
     begin
@@ -5143,6 +5157,8 @@ EA5E0BB7C5850E4063EDA83420076B5E10000000049454E44AE42608200";
     Ftimer; 
     Ftimer2; 
     FString;   
+    fcaretya; //开始位置记录
+    fcaretyb; //截止位置记录
 end 
 (*
 type TTslCodeMap=class(TTreeView) //tsl代码地图
diff --git a/funcext/tvclib/tcontrol.tsf b/funcext/tvclib/tcontrol.tsf
index 5ee66f6..1eff539 100644
--- a/funcext/tvclib/tcontrol.tsf
+++ b/funcext/tvclib/tcontrol.tsf
@@ -433,7 +433,7 @@ type tcontrol = class(tcomponent)
         begin
             r := new TMMEASUREITEM(message,wparam,lparam,hwnd);
         end else
-        if message in array(WM_KEYDOWN,WM_KEYUP,WM_CHAR,WM_SYSKEYDOWN,WM_SYSKEYUP)THEN
+        if message in array(WM_KEYDOWN,WM_KEYUP,WM_CHAR,WM_SYSCHAR,WM_SYSKEYDOWN,WM_SYSKEYUP)THEN
         begin
             r := new TMKEY(message,wparam,lparam,hwnd);
         end else
diff --git a/funcext/tvclib/twincontrol.tsf b/funcext/tvclib/twincontrol.tsf
index 46c5cac..37abf36 100644
--- a/funcext/tvclib/twincontrol.tsf
+++ b/funcext/tvclib/twincontrol.tsf
@@ -47,6 +47,9 @@ type TWinControl = class(tcontrol)
     FOnActivate;
     FOnKeyDown;
     FOnKeyPress;
+    fonsyskeydown;
+    fonsyskeyup;
+    FOnSysKeyPress;
     FOnKeyUp;
     factivecontrol;
     autoref
@@ -1173,6 +1176,18 @@ type TWinControl = class(tcontrol)
         CallMessgeFunction(FOnKeyUp,o,e);
         keyup(o,e);
     end
+    function WMSYSKEYUP(o,e):WM_SYSKEYUP;virtual;
+    begin
+        CallMessgeFunction(fonsyskeyup,o,e);
+    end
+    function WMSYSKEYDOWN(o,e):WM_SYSKEYDOWN;virtual;
+    begin
+        CallMessgeFunction(fonsyskeydown,o,e);
+    end
+    function WMSYSCHAR(o,e):WM_SYSCHAR;virtual;
+    begin
+        CallMessgeFunction(FOnSysKeyPress,o,e);    
+    end 
     function WMCHAR(o,e):WM_CHAR;virtual;
     begin
         CallMessgeFunction(FOnKeyPress,o,e);
@@ -2574,8 +2589,11 @@ type TWinControl = class(tcontrol)
     property OnActivate:eventhandler read FOnActivate write FOnActivate;
     property OnClose:eventhandler read FOnClose write FOnClose;
     property OnKeyDown:eventhandler read FOnKeyDown write FOnKeyDown;
+    property OnsysKeyDown:eventhandler read FOnsysKeyDown write FOnsysKeyDown;
     property OnKeyUp:eventhandler read FOnKeyUp write FOnKeyUp;
+    property OnsysKeyUp:eventhandler read FOnsysKeyUp write FOnsysKeyUp;
     property OnKeyPress:eventhandler read FOnKeyPress write FOnKeyPress;
+    property OnSysKeyPress:eventhandler read FOnSysKeyPress write FOnSysKeyPress;
     property OnDesignClick read FOnDesinedsel write FOnDesinedsel;
     property OnDesignDBLClick read FOnDesigDBLClick write FOnDesigDBLClick;
     property OnDesignRClick read FOnDesinedRclick write FOnDesinedRclick;