diff --git a/designer/utslvcldebuger.tsf b/designer/utslvcldebuger.tsf
index 02678d6..9156fe6 100644
--- a/designer/utslvcldebuger.tsf
+++ b/designer/utslvcldebuger.tsf
@@ -25,6 +25,7 @@ type TFTSLScriptcustomMemo=class(TSYNmemoNorm)
             "charset":0,"outprecision":0,"clipprecision":0,"quality":1,"pitchandfamily":1,"facename":"Courier New","color":0);
         //134
         //font := array("facename":"Courier New");
+        autogutterwidth := true;
     end
     function DoCaretPosChanged();override;
     begin
@@ -187,13 +188,13 @@ type TFTSLScriptcustomMemo=class(TSYNmemoNorm)
     end
     function DoTextChanged(p);override;
     begin
-        n := Lines.Length();
+        {n := Lines.Length();
         ccnt := GutterCharCnt;
-        nccnt := max(integer(n~10)+3,4);
+        nccnt := max(integer(n~10)+2,3);
         if ccnt <> nccnt then
         begin
             GutterCharCnt := nccnt;
-        end
+        end}
         inherited;
         SetChangeFlag(true);
     end
diff --git a/funcext/tvclib/tslvcl.tsf b/funcext/tvclib/tslvcl.tsf
index 01b2566..573283e 100644
--- a/funcext/tvclib/tslvcl.tsf
+++ b/funcext/tvclib/tslvcl.tsf
@@ -1764,7 +1764,7 @@ type tmemo = class(TSynMemoNorm)
     	    return array("name","font","color","parentcolor","parentfont",
     		"popupmenu","visible","anchors","align",
     		"height","width","left","top",
-    		"text","readonly","selectbkcolor","guttercolor","currentlinecolor","guttercharcnt",
+    		"text","readonly","selectbkcolor","guttercolor","currentlinecolor","guttercharcnt","autogutterwidth",
     		"tabspace","highlighter","onmousewheel","onmousemove","onpopupmenu",
     		"onmousedown","onmouseup","onsetfocus","onkillfocus",
     		"onkeyup","onkeydown","onkeypress",
diff --git a/funcext/tvclib/utslmemo.tsf b/funcext/tvclib/utslmemo.tsf
index dae680e..a524601 100644
--- a/funcext/tvclib/utslmemo.tsf
+++ b/funcext/tvclib/utslmemo.tsf
@@ -653,6 +653,7 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
     FTopLine; //首行
     FScroolChanged;  //滚动了
     FGutterCharCount;  //gutter 字符个数
+    Fautogutterwidth; //自动设置gutter宽度
     FGutter;    //gutter
     FMarginTop;
     FLines;
@@ -689,7 +690,7 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
     begin
         inherited;
         FCharWidth := Font.width;
-        FGutter.Width := 1+FGutterCharCount * FCharWidth;
+        FGutter.Width := (5*(FGutterCharCount>0))+FGutterCharCount * FCharWidth+1;
         FCharHeight := Font.Height;
         fTextHeight := FCharHeight+FLineInterval;
         UpDateScroll();
@@ -778,9 +779,9 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
         cvs.Font.Color := 1;
         for i := nL1 to nL2 do
         begin
-            r := rcDraw;
+            r := rc;//rcDraw;
             r[1]:= rcDraw[1]+fTextHeight * iy;
-            r[2]-= 10;
+            r[2]-= 4;
             r[3]:= r[1]+fTextHeight;
             it := flines[i];
             if it and it.FMarked then
@@ -1008,9 +1009,10 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
         FReadOnly := false;
         FLineInterval := 4;
         FGutterCharCount := 4;
+        Fautogutterwidth := false;
         FSelectionMode := smNormal;
         FGutter := new TMemoGutter(self);
-        FGutter.Width := 1+Font.Width * FGutterCharCount;
+        FGutter.Width := 5+Font.Width * FGutterCharCount+1;
         fLines := new TMemoLineList(self(true));
         FInPutCache := 0;
         fLines.Text := "";
@@ -1220,7 +1222,8 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
     end
     function DoTextChanged(p);virtual;//文本改变
     begin
-        //改变        
+        //改变 
+        autosetgtwidth();       
     end
     function DoCaretPosChanged();virtual;//caret位置改变
     begin
@@ -1561,6 +1564,7 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
     property GutterWidth read GetGutterWidth; 
     property LineInterval read FLineInterval write SetLineInterval;//行间距
     property GutterCharCnt:integer read FGutterCharCount write SetGutterCharCnt;
+    property autogutterwidth:bool read Fautogutterwidth write setautogutterwidth;
     property currentLineColor:color read fcurrentLineColor write setcurrentLineColor;
     property guttercolor:color read fguttercolor write setguttercolor;  //行标颜色
     property selectbkcolor:color read fselectbkcolor  write setselectbkcolor; //选中的颜色
@@ -1747,14 +1751,37 @@ type TCustomMemo = class(TCustomScrollControl,TCustomMemoCmd) //
             DecPaintLock();
         end 
     end
-    function SetGutterCharCnt(n);
+    function autosetgtwidth();//调整行号宽度
     begin
-        if not(n>=0 ) then return ;
+        if not Fautogutterwidth then return ;
+        n := Lines.Length();
+        nccnt := max(integer(n~10)+2,3);
+        if FGutterCharCount <> nccnt then
+        begin
+            SetGutterCharCnt(nccnt,true);
+        end
+    end 
+    function setautogutterwidth(v);//设置自动调整宽度
+    begin
+        nv := v?true:false;
+        if nv<>Fautogutterwidth then 
+        begin
+            Fautogutterwidth := nv;
+            if nv then 
+            begin
+                autosetgtwidth();
+            end   
+        end 
+    end 
+    function SetGutterCharCnt(n,f); //设置行号宽度
+    begin
+        if Fautogutterwidth and ifnil(f) then return ;
+        if not(n>=0 ) then return ;        
         nn := integer(n);
         if nn<>FGutterCharCount then 
         begin
             FGutterCharCount := nn;
-            FGutter.Width := 1+FGutterCharCount*FCharWidth;
+            FGutter.Width := (5*(FGutterCharCount>0))+FGutterCharCount*FCharWidth+1;
             InValidateRect(nil,false);
         end 
     end