diff --git a/funcext/tvclib/tcustomcontrol.tsf b/funcext/tvclib/tcustomcontrol.tsf
index ca605a2..3f12c51 100644
--- a/funcext/tvclib/tcustomcontrol.tsf
+++ b/funcext/tvclib/tcustomcontrol.tsf
@@ -27,14 +27,14 @@ type tcustomcontrol=class(TWinControl)
     begin
         if AControl is class(tcustomsplitter) then 
         begin 
-            fhasspliter++;
+            fhassplitter++;
         end  
     end
     function ControlDeleted(AControl);override;
     begin
         if AControl is class(tcustomsplitter) then 
         begin 
-            fhasspliter--;
+            fhassplitter--;
         end       
     end
     public
@@ -42,6 +42,7 @@ type tcustomcontrol=class(TWinControl)
     begin
         inherited;
         includestate(FControlState,csCustomPaint);
+        fhassplitter := 0;
         fsplitterwilldrag := true;
         //FCanvas := new tcanvas();	
     end
@@ -75,7 +76,7 @@ type tcustomcontrol=class(TWinControl)
 
     function WMLButtonDown(o,e);override;//拖拽释放
     begin
-        if fhasspliter<1 then return inherited;
+        if fhassplitter<1 then return inherited;
         if csDesigning in ComponentState then exit;
         case fcurspltype of
             alLeft,alRight:
@@ -110,7 +111,7 @@ type tcustomcontrol=class(TWinControl)
     end
     function WMLBUTTONUP(o,e);override;//拖拽实现
     begin
-        if fhasspliter<1 then return inherited;
+        if fhassplitter<1 then return inherited;
         if csDesigning in ComponentState then return ;
         if fsplitterdraging then
         begin
@@ -124,11 +125,11 @@ type tcustomcontrol=class(TWinControl)
             _wapi.clipcursor(0);
             return ;
         end
-        inherited;
+        return inherited;
     end
     function WMMouseMove(o,e);override; //移动
     begin
-        if fhasspliter<1 then return inherited;
+        if fhassplitter<1 then return inherited;
         if csDesigning in ComponentState then return inherited;
         if fsplitterdraging then
         begin
@@ -168,7 +169,7 @@ type tcustomcontrol=class(TWinControl)
             end 
             cursor := OCR_NORMAL;       
         end 
-        inherited;        
+        return inherited;        
     end  
     property OnPaint:eventhandler read FOnPaint write FOnPaint;
     {**
@@ -333,5 +334,5 @@ BFC6105000000097048597300000EC300000EC301C76FA8640000010D49444154
     fcursplitter;
     fcursplitterid;
     fsplitercache;   
-    fhasspliter;   
+    fhassplitter;   
 end;
\ No newline at end of file
diff --git a/funcext/tvclib/utslvclauxiliary.tsf b/funcext/tvclib/utslvclauxiliary.tsf
index 68090e6..743936f 100644
--- a/funcext/tvclib/utslvclauxiliary.tsf
+++ b/funcext/tvclib/utslvclauxiliary.tsf
@@ -709,7 +709,7 @@ type tstrindexarray = class
         {**
         @explan(说明) 删除指定下标 %%
         **}
-        if ifnil(idx)or ifobj(idx)then return 0;
+        if ifnil(idx) or ifobj(idx)then return 0;
         if ifstring(idx)then
         begin
             lidx := lowercase(idx);
diff --git a/funcext/tvclib/utslvclgrid.tsf b/funcext/tvclib/utslvclgrid.tsf
index 3a79878..8e954c5 100644
--- a/funcext/tvclib/utslvclgrid.tsf
+++ b/funcext/tvclib/utslvclgrid.tsf
@@ -5,11 +5,11 @@ uses utslvclauxiliary,utslvclmemstruct,utslvclgdi;
     @explan(说明) 表格控件相关 %%
     @date(20220510)
 **}
-type TcustomGridCtl = class(TCustomControl)
+type TcustomGridCtl = class(TCustomControl)  //自绘制表格基类
     {**
     @explan(说明) 自绘制表格控件 %%
     **}
-    function Create(AOwner);override;
+    function Create(AOwner);override; //构造
     begin
         inherited;
         FLocalX := 0;
@@ -36,7 +36,7 @@ type TcustomGridCtl = class(TCustomControl)
         FVariableRows := false;
         FSI := new TScrollinfo();
     end
-    function GetItemRect(i);virtual;
+    function GetItemRect(i);virtual;  //根据行号获得其区域
     begin
         {**
         @explan(说明) 获得行的区域 %%
@@ -55,7 +55,7 @@ type TcustomGridCtl = class(TCustomControl)
         r[2]:= basex;
         return r;
     end
-    function GetItemStartY(i);virtual;
+    function GetItemStartY(i);virtual; //获得行的top
     begin
         {**
         @explan(说明) 获得行的区域范围 %%
@@ -82,7 +82,7 @@ type TcustomGridCtl = class(TCustomControl)
         yb -= yp * itv;
         return yb;
     end
-    function GetItemYBound(i);virtual;
+    function GetItemYBound(i);virtual; //获得行的
     begin
         {**
         @explan(说明) 获得行的区域范围 %%
@@ -1188,7 +1188,7 @@ type TcustomGridCtl = class(TCustomControl)
     FCurrentSizePos;
 end
 implementation
-type TCanvsRgnClipAutoSave=class
+type TCanvsRgnClipAutoSave=class()//canvas 裁剪
     {**
     @expan(说明) 裁剪canvas区域,销毁时还原 %%
     **}