diff --git a/ZCppMainTest/ZtCBaseList_000.cpp b/ZCppMainTest/ZtCBaseList_000.cpp
index e4eb1b9..06eb52d 100644
--- a/ZCppMainTest/ZtCBaseList_000.cpp
+++ b/ZCppMainTest/ZtCBaseList_000.cpp
@@ -696,6 +696,22 @@ namespace ZNsMain
                 {
                     cout<<VO_Iter.GetPos()<<" : "<<*VO_Iter<<endl;
                 }
+                cout<<"*****************************************************"<<endl;
+
+                _FOR_ITER_EASY_START0_C(ZCBaseListEx10, VO_ZCBaseListEx10_2, VH_NowIter, i)
+                {
+                    cout<<"# list10_2 const: "<<(i+1)<<" "<<VO_ZCBaseListEx10_2.ItD(VH_NowIter)<<endl;
+                }
+                _FOR_ITER_EASY_CLOSE0_C(ZCLinkStrList, VO_ZCBaseListEx10_2, VH_NowIter, i)
+                cout<<"*****************************************************"<<endl;
+
+                _FOR_ITER_EASY_START0_RC(ZCBaseListEx10, VO_ZCBaseListEx10_2, VH_NowIter, i)
+                {
+                    cout<<"# list10_2 rev const: "<<(i+1)<<" "<<VO_ZCBaseListEx10_2.ItD(VH_NowIter)<<endl;
+                }
+                _FOR_ITER_EASY_CLOSE0_RC(ZCLinkStrList, VO_ZCBaseListEx10_2, VH_NowIter, i)
+                cout<<"*****************************************************"<<endl;
+
 
                 return 0;
             }/*
diff --git a/ZCppMainTest/ZtCLinkList_001.cpp b/ZCppMainTest/ZtCLinkList_001.cpp
index 8adef2e..a992464 100644
--- a/ZCppMainTest/ZtCLinkList_001.cpp
+++ b/ZCppMainTest/ZtCLinkList_001.cpp
@@ -71,12 +71,14 @@ namespace ZNsMain
 
             typedef ZNsIFaceEx::ZtCLink
                 <ZCEmpty, ZCLinkData> ZCLinkBase;
+            typedef ZNsIFaceEx::ZtCLink
+                <string , ZCEmpty   > ZCLinkStr ;
 
         public:
-            typedef ZCLinkData              ZCLinkCStr   ;
-            typedef ZtCLinkList<ZCLinkBase> ZCLinkStrList;
+            typedef ZtCLinkList<ZCLinkBase> ZCLinkDataList;
+            typedef ZtCLinkList<ZCLinkStr > ZCLinkStrList ;
             typedef typename
-                ZCLinkStrList::ZCLinkOpt    ZCStrLinkOpt ;
+                ZCLinkDataList::ZCLinkOpt   ZCStrLinkOpt ;
         public:
 
 
@@ -108,23 +110,28 @@ namespace ZNsMain
 
             static int Main(int AI_ArgCnt=0, char* APP_ArgVal[]=0)
             {
-                ZTypLong      VI_CallCnt = 0 ;
-                ZCLinkStrList VO_ZCLinkStrLis1;
-                ZCLinkStrList VO_ZCLinkStrLis2;
-                ZCStrLinkOpt  VO_StrLinkOpt = VO_ZCLinkStrLis1.GetObjOpt(1);
+                ZTypLong       VI_CallCnt = 0 ;
+                ZCLinkDataList VO_CDataLis1;
+                ZCLinkDataList VO_CDataLis2;
+                ZCLinkStrList  VO_CStrLis20;
+                ZCStrLinkOpt   VO_StrLinkOpt = VO_CDataLis1.GetObjOpt(1);
 
                 cout<<"# VO_StrLinkOpt.has_value()="<<VO_StrLinkOpt.has_value()<<endl;
                 cout<<"# VO_StrLinkOpt.bool()     ="<<bool(VO_StrLinkOpt)      <<endl;
 
-                VO_ZCLinkStrLis1.AddTail()().GetData()=string("123");
-                VO_ZCLinkStrLis1.AddTail()().GetData()=string("ABC");
-                VO_ZCLinkStrLis1.AddTail()().GetData()=string("xyz");
+                VO_CDataLis1.AddTail()().GetData()=string("123");
+                VO_CDataLis1.AddTail()().GetData()=string("ABC");
+                VO_CDataLis1.AddTail()().GetData()=string("xyz");
 
-                VO_ZCLinkStrLis2.AddTail()().GetData()=string("Z01");
-                VO_ZCLinkStrLis2.AddTail()().GetData()=string("Z02");
-                VO_ZCLinkStrLis2.AddTail()().GetData()=string("Z03");
+                VO_CDataLis2.AddTail()().GetData()=string("Z01");
+                VO_CDataLis2.AddTail()().GetData()=string("Z02");
+                VO_CDataLis2.AddTail()().GetData()=string("Z03");
 
-                VO_StrLinkOpt = VO_ZCLinkStrLis1.GetObjOpt(1);
+                VO_CStrLis20.AddTail()()=string("__1");
+                VO_CStrLis20.AddTail()()=string("__2");
+                VO_CStrLis20.AddTail()()=string("__3");
+
+                VO_StrLinkOpt = VO_CDataLis1.GetObjOpt(1);
 
                 cout<<"# VO_StrLinkOpt.GetObjOpt(1) : has_value()="<<VO_StrLinkOpt.has_value()<<endl;
                 cout<<"# VO_StrLinkOpt.GetObjOpt(1) : bool     ()="<<bool(VO_StrLinkOpt)      <<endl;
@@ -136,7 +143,7 @@ namespace ZNsMain
                 }/*
                 if(VO_StrLinkOpt.has_value())*/
 
-                VO_StrLinkOpt = VO_ZCLinkStrLis1.GetTailOpt();
+                VO_StrLinkOpt = VO_CDataLis1.GetTailOpt();
 
                 cout<<"# VO_StrLinkOpt.GetTailOpt() : has_value()="<<VO_StrLinkOpt.has_value()<<endl;
                 cout<<"# VO_StrLinkOpt.GetTailOpt() : bool     ()="<<bool(VO_StrLinkOpt)      <<endl;
@@ -150,126 +157,138 @@ namespace ZNsMain
 
 
                 cout<<"+++++++++++++++++++++++++++++++++++++++++++++++"<<endl;
-                VO_ZCLinkStrLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
+                VO_CDataLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
                 cout<<"***********************************************"<<endl;
-                VO_ZCLinkStrLis1.IterElement(&ShowNode1, ZftMCP(VI_CallCnt=0));
+                VO_CDataLis1.IterElement(&ShowNode1, ZftMCP(VI_CallCnt=0));
 
 
-                VO_ZCLinkStrLis1.JoinHead(VO_ZCLinkStrLis2);
+                VO_CDataLis1.JoinHead(VO_CDataLis2);
 
-                cout<<"# after VO_ZCLinkStrLis1.JoinHead(VO_ZCLinkStrLis2)"<<endl;
+                cout<<"# after VO_CDataLis1.JoinHead(VO_CDataLis2)"<<endl;
 
                 cout<<"+++++++++++++++++++++++++++++++++++++++++++++++"<<endl;
-                VO_ZCLinkStrLis2.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
+                VO_CDataLis2.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
                 cout<<"***********************************************"<<endl;
-                VO_ZCLinkStrLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
+                VO_CDataLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
                 cout<<"***********************************************"<<endl;
-                VO_ZCLinkStrLis1.IterElement(&ShowNode1, ZftMCP(VI_CallCnt=0));
+                VO_CDataLis1.IterElement(&ShowNode1, ZftMCP(VI_CallCnt=0));
 
 
-                VO_ZCLinkStrLis2 = VO_ZCLinkStrLis1 ;
+                VO_CDataLis2 = VO_CDataLis1 ;
 
-                cout<<"# after VO_ZCLinkStrLis2 = VO_ZCLinkStrLis1"<<endl;
+                cout<<"# after VO_CDataLis2 = VO_CDataLis1"<<endl;
 
                 cout<<"+++++++++++++++++++++++++++++++++++++++++++++++"<<endl;
-                VO_ZCLinkStrLis2.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
+                VO_CDataLis2.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
                 cout<<"***********************************************"<<endl;
-                VO_ZCLinkStrLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
+                VO_CDataLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
                 cout<<"***********************************************"<<endl;
 
 
-                VO_ZCLinkStrLis1.IterElement(&AppendEach);
+                VO_CDataLis1.IterElement(&AppendEach);
                 cout<<"***********************************************"<<endl;
-                VO_ZCLinkStrLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
+                VO_CDataLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
                 cout<<"***********************************************"<<endl;
 
-                VO_ZCLinkStrLis1.SendRangeOutAfter
+                VO_CDataLis1.SendRangeOutAfter
                     (
-                        VO_ZCLinkStrLis1.GetObjOpt(1).value()
-                      , VO_ZCLinkStrLis1.GetObjOpt(2).value()
+                        VO_CDataLis1.GetObjOpt(1).value()
+                      , VO_CDataLis1.GetObjOpt(2).value()
                       , 2
-                      , VO_ZCLinkStrLis2
-                      , VO_ZCLinkStrLis2.GetObjOpt(1)
+                      , VO_CDataLis2
+                      , VO_CDataLis2.GetObjOpt(1)
                     ) ;
-                cout<<"# after VO_ZCLinkStrLis1.SendRangeOutAfter(1th, 2th, 2, rhs, rhs's 1th)"<<endl;
+                cout<<"# after VO_CDataLis1.SendRangeOutAfter(1th, 2th, 2, rhs, rhs's 1th)"<<endl;
 
                 cout<<"+++++++++++++++++++++++++++++++++++++++++++++++"<<endl;
-                VO_ZCLinkStrLis2.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
+                VO_CDataLis2.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
                 cout<<"***********************************************"<<endl;
-                VO_ZCLinkStrLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
+                VO_CDataLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
                 cout<<"***********************************************"<<endl;
 
 
-                VO_ZCLinkStrLis2.SendRangeOutBefore
+                VO_CDataLis2.SendRangeOutBefore
                     (
-                        VO_ZCLinkStrLis2.GetObjOpt(7).value()
-                      , VO_ZCLinkStrLis2.GetObjOpt(8).value()
+                        VO_CDataLis2.GetObjOpt(7).value()
+                      , VO_CDataLis2.GetObjOpt(8).value()
                       , 2
-                      , VO_ZCLinkStrLis1
-                      , VO_ZCLinkStrLis1.GetObjOpt(1)
+                      , VO_CDataLis1
+                      , VO_CDataLis1.GetObjOpt(1)
                     ) ;
-                cout<<"# after VO_ZCLinkStrLis2.SendRangeOutAfter(7th, 8th, 2, rhs, rhs's 1th)"<<endl;
+                cout<<"# after VO_CDataLis2.SendRangeOutAfter(7th, 8th, 2, rhs, rhs's 1th)"<<endl;
 
                 cout<<"+++++++++++++++++++++++++++++++++++++++++++++++"<<endl;
-                VO_ZCLinkStrLis2.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
+                VO_CDataLis2.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
                 cout<<"***********************************************"<<endl;
-                VO_ZCLinkStrLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
+                VO_CDataLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
                 cout<<"***********************************************"<<endl;
 
 
-                VO_ZCLinkStrLis2.CopyThis( RR(VO_ZCLinkStrLis1) );
-                cout<<"# after VO_ZCLinkStrLis2.CopyThis( RR(VO_ZCLinkStrLis1) )"<<endl;
+                VO_CDataLis2.CopyThis( RR(VO_CDataLis1) );
+                cout<<"# after VO_CDataLis2.CopyThis( RR(VO_CDataLis1) )"<<endl;
 
                 cout<<"+++++++++++++++++++++++++++++++++++++++++++++++"<<endl;
-                VO_ZCLinkStrLis2.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
+                VO_CDataLis2.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
                 cout<<"***********************************************"<<endl;
-                VO_ZCLinkStrLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
+                VO_CDataLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
                 cout<<"***********************************************"<<endl;
 
-                VO_ZCLinkStrLis1.SwapLink
-                    (VO_ZCLinkStrLis1.HeadRef(), VO_ZCLinkStrLis1.HeadRef(1));
-                cout<<"# after VO_ZCLinkStrLis1.SwapLink(1th, 2th)"<<endl;
-                VO_ZCLinkStrLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
+                VO_CDataLis1.SwapLink
+                    (VO_CDataLis1.HeadRef(), VO_CDataLis1.HeadRef(1));
+                cout<<"# after VO_CDataLis1.SwapLink(1th, 2th)"<<endl;
+                VO_CDataLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
                 cout<<"***********************************************"<<endl;
 
-                VO_ZCLinkStrLis1.SwapLink
-                    (VO_ZCLinkStrLis1.HeadRef(), VO_ZCLinkStrLis1.HeadRef(11));
-                cout<<"# after VO_ZCLinkStrLis1.SwapLink(1th, 12th)"<<endl;
-                VO_ZCLinkStrLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
+                VO_CDataLis1.SwapLink
+                    (VO_CDataLis1.HeadRef(), VO_CDataLis1.HeadRef(11));
+                cout<<"# after VO_CDataLis1.SwapLink(1th, 12th)"<<endl;
+                VO_CDataLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
                 cout<<"***********************************************"<<endl;
 
-                VO_ZCLinkStrLis1.SwapLink
-                    (VO_ZCLinkStrLis1.HeadRef(11), VO_ZCLinkStrLis1.HeadRef(10));
-                cout<<"# after VO_ZCLinkStrLis1.SwapLink(12th, 11th)"<<endl;
-                VO_ZCLinkStrLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
+                VO_CDataLis1.SwapLink
+                    (VO_CDataLis1.HeadRef(11), VO_CDataLis1.HeadRef(10));
+                cout<<"# after VO_CDataLis1.SwapLink(12th, 11th)"<<endl;
+                VO_CDataLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
                 cout<<"***********************************************"<<endl;
 
-                VO_ZCLinkStrLis1.MoveLinkTail
-                    (VO_ZCLinkStrLis1.HeadRef());
-                cout<<"# after VO_ZCLinkStrLis1.MoveLinkTail(1th)"<<endl;
-                VO_ZCLinkStrLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
+                VO_CDataLis1.MoveLinkTail
+                    (VO_CDataLis1.HeadRef());
+                cout<<"# after VO_CDataLis1.MoveLinkTail(1th)"<<endl;
+                VO_CDataLis1.IterElement(&ShowNode0, ZftMCP(VI_CallCnt=0));
                 cout<<"***********************************************"<<endl;
 
 
-                _FOR_ITER_EASY_START0_C(ZCLinkStrList, VO_ZCLinkStrLis1, VH_NowIter, i)
+                _FOR_ITER_EASY_START0_C(ZCLinkDataList, VO_CDataLis1, VH_NowIter, i)
                 {
-                    cout<<"# list1 const: "<<(i+1)<<" "<<VO_ZCLinkStrLis1.ItD(VH_NowIter).GetData()<<endl;
+                    cout<<"# list1 const: "<<(i+1)<<" "<<VO_CDataLis1.ItD(VH_NowIter).GetData()<<endl;
                 }
-                _FOR_ITER_EASY_CLOSE0_C(ZCLinkStrList, VO_ZCLinkStrLis1, VH_NowIter, i)
+                _FOR_ITER_EASY_CLOSE0_C(ZCLinkDataList, VO_CDataLis1, VH_NowIter, i)
                 cout<<"***********************************************"<<endl;
 
-                _FOR_ITER_EASY_START0_RC(ZCLinkStrList, VO_ZCLinkStrLis1, VH_NowIter, i)
+                _FOR_ITER_EASY_START0_RC(ZCLinkDataList, VO_CDataLis1, VH_NowIter, i)
                 {
-                    cout<<"# list1 rev const: "<<(i+1)<<" "<<VO_ZCLinkStrLis1.ItD(VH_NowIter).GetData()<<endl;
+                    cout<<"# list1 rev const: "<<(i+1)<<" "<<VO_CDataLis1.ItD(VH_NowIter).GetData()<<endl;
                 }
-                _FOR_ITER_EASY_CLOSE0_RC(ZCLinkStrList, VO_ZCLinkStrLis1, VH_NowIter, i)
+                _FOR_ITER_EASY_CLOSE0_RC(ZCLinkDataList, VO_CDataLis1, VH_NowIter, i)
                 cout<<"***********************************************"<<endl;
 
 
-                __for_it(ZCLinkStrList, VO_ZCLinkStrLis1, VH_NowIter)
+                __for_it(ZCLinkDataList, VO_CDataLis1, VH_NowIter)
                 {
                     cout<<"# list1 __for_it : "<<VH_NowIter.GetPos()<<" "<<(*VH_NowIter).GetData()<<endl;
                 }
+                cout<<"***********************************************"<<endl;
+                __for_it(ZCLinkStrList , VO_CStrLis20, VH_NowIter)
+                {
+                    cout<<"# list20 __for_it : "<<VH_NowIter.GetPos()<<" "<<(*VH_NowIter)<<endl;
+                }
+
+                _FOR_ITER_EASY_START0_C(ZCLinkStrList, VO_CStrLis20, VH_NowIter, i)
+                {
+                    cout<<"# list20 const: "<<(i+1)<<" "<<VO_CStrLis20.ItD(VH_NowIter)<<endl;
+                }
+                _FOR_ITER_EASY_CLOSE0_C(ZCLinkStrList, VO_CStrLis20, VH_NowIter, i)
+                cout<<"***********************************************"<<endl;
 
                 return 0;
             }/*