diff --git a/funcext/tvclib/tslvcl.tsf b/funcext/tvclib/tslvcl.tsf
index 28ed44d..60f6568 100644
--- a/funcext/tvclib/tslvcl.tsf
+++ b/funcext/tvclib/tslvcl.tsf
@@ -1838,7 +1838,7 @@ type thighlighter= class(tcustomsynhighlighter)
     end 
     function publishs();override;
     begin
-        return array("name","keywordcolor","symcolor","stringcolor","annotationcolor");
+        return array("name","keywordcolor","symcolor","stringcolor","annotationcolor","ignorecase");
     end 
 end 
 
diff --git a/funcext/tvclib/utslmemo.tsf b/funcext/tvclib/utslmemo.tsf
index eb18f06..d9762c8 100644
--- a/funcext/tvclib/utslmemo.tsf
+++ b/funcext/tvclib/utslmemo.tsf
@@ -3217,19 +3217,51 @@ type tcustomsynhighlighter = class(TSynHighLighter)
     property stringcolor:color read fstringcolor write fstringcolor;
     property annotationcolor:color read fannotationcolor write fannotationcolor;
     property symcolor:color read fsymcolor write fsymcolor;
+    property ignorecase:bool  read fignorecase write setignorecase;
     private
+    function setignorecase(i);
+    begin
+        ni := i?true:false;
+        if ni<>FIgnoreCase then 
+        begin
+            FIgnoreCase := ni;  
+            for i,v in array(fstrstires ,
+                fkeystires,
+                fblockstiresa,
+                fblockstiresb,
+                frowstires,
+                fsymstires) do 
+            begin
+                for j,vj in v do 
+                begin
+                    vj.ignorecase := ni;    
+                end 
+            end 
+            if fswordpairshashdata then 
+            begin 
+                td := fswordpairshashdata; 
+                setpairs(td); 
+            end 
+        end 
+    end 
     function dopair(d,bttk); //处理配对信息
     begin
-        n := fswordpairshash[bttk];
+        if FIgnoreCase then 
+        begin
+            lttk := lowercase(bttk);
+        end else 
+        begin
+            lttk := bttk;
+        end 
+        n := fswordpairshash[lttk];
         if n then 
         begin
             st := fcbgestate[n];
-            if fswordpairs[n][1]=bttk then 
+            if fswordpairs[n][1]=lttk then 
             begin
                 st.GetRight();       
             end else
-            begin
-                
+            begin                
                 st.GetLeft();
             end 
             d.FMATe := st.GetSate();
@@ -3399,17 +3431,24 @@ type tcustomsynhighlighter = class(TSynHighLighter)
     begin
         fswordpairs := array();
         fswordpairshash := array();
+        fswordpairshashdata := array();
         for i,v in d do 
         begin
             if not ifarray(v)  then continue;
             v0 := v[0];
             v1 := v[1];
+            if FIgnoreCase then 
+            begin
+                v0 := lowercase(v0);
+                v1 := lowercase(v1);
+            end 
             if ifstring(v0) and ifstring(v1) and v0 and v1 then 
             begin
                 fswordpairs[v1,0]:= v0;
                 fswordpairs[v1,1]:= v1;
                 fswordpairshash[v0]:=v1;
                 fswordpairshash[v1]:=v1;
+                fswordpairshashdata[i] := v;
             end 
         end 
    
@@ -3505,6 +3544,7 @@ type tcustomsynhighlighter = class(TSynHighLighter)
     //
     fswordpairs;
     fswordpairshash;
+    fswordpairshashdata;
 
 end 
 type TSynCustomMemo = class(TCustomMemo)
diff --git a/funcext/tvclib/utslvclauxiliary.tsf b/funcext/tvclib/utslvclauxiliary.tsf
index 743936f..21be06e 100644
--- a/funcext/tvclib/utslvclauxiliary.tsf
+++ b/funcext/tvclib/utslvclauxiliary.tsf
@@ -1637,19 +1637,23 @@ type TTire = class
         FChar;
         FSub;
         FEnd;
+        Ficase;
         function Create(v);
         begin
             FChar := v;  
             FSub := array();  
             FEnd := false;
+            Ficase := false;
         end 
         function Add(s);
         begin
             v0 := s[1];
+            if Ficase then v0 := lowercase(v0);
             vsub := FSub[v0]; 
             if not vsub then 
             begin
                 vsub := new  TTireNode(v0);
+                vsub.Ficase := Ficase;
                 FSub[v0] := vsub;   
             end 
             ls := length(s);
@@ -1664,6 +1668,7 @@ type TTire = class
         begin
             if idx>slen then return FEnd;
             v0 := s[idx];
+            if Ficase then v0 := lowercase(v0);
             vsub := FSub[v0]; 
             if vsub then 
             begin
@@ -1671,7 +1676,29 @@ type TTire = class
                 return vsub.Find(s,slen,idx);
             end 
             return FEnd ;
-        end    
+        end  
+        function seticase(i);
+        begin
+            ni := i?true:false;
+            if ni<>Ficase then 
+            begin
+                Ficase := ni;
+                for i,v in mrows(FSub,1) do 
+                begin
+                    vi := FSub[v];
+                    if ni then //忽略大小写
+                    begin
+                        reindex(FSub,array(v:nil));
+                        FSub[lowercase(vi.FChar)] := vi;    
+                    end else //区分大小写
+                    begin
+                        reindex(FSub,array(v:nil));
+                        FSub[vi.FChar] := vi;    
+                    end 
+                    vi.seticase(i);
+                end     
+            end 
+        end   
     end 
     function Add(s);
     begin
@@ -1679,7 +1706,9 @@ type TTire = class
     end 
     function Create();
     begin
+        fignorecase := false;
         FRoot := new TTireNode();
+        FRoot.Ficase := false;
     end 
     function Find(s,slen,idx,outidx,ostr);
     begin
@@ -1693,7 +1722,18 @@ type TTire = class
         idx := tid;
         return r;
     end 
-    FRoot;
+    FRoot;    
+    property ignorecase read fignorecase write setignorecase;
+    private 
+    function setignorecase(i);
+    begin
+        ni := i?true :false;
+        if ni<>fignorecase then 
+        begin
+            FRoot.seticase(ni);    
+        end 
+    end 
+    fignorecase;
 end 
 type tpairstate =class //括号状态
     function Create(t);