diff --git a/ZCppMain/ZtCObjList.H b/ZCppMain/ZtCObjList.H
index 6a4f19f..53b6fa6 100644
--- a/ZCppMain/ZtCObjList.H
+++ b/ZCppMain/ZtCObjList.H
@@ -2171,38 +2171,28 @@ namespace ZNsMain
         ###############################################################################*/
 
 
-        void SendOutAfter(ZCLink* AP_CutLink, ZtCObjList& rhs, ZCLink* AP_StdLink)
+        void SendOutAfter (ZCLink& AR_CutLink, ZtCObjList& rhs, ZCLink& AR_StdLink)
         {
-            // AP_CutLink 를 잘라서 rhs 의 AP_StdLink 뒤에 연결한다.
-            // AP_StdLink==0 이면,  rhs 의 앞에 삽입한다.
+            // AR_CutLink 를 잘라서 rhs 의 AR_StdLink 뒤에 연결한다.
 
-            CutLink(AP_CutLink); rhs.JoinAfter(AP_CutLink, AP_StdLink);
+            CutLink(&AR_CutLink); rhs.JoinAfter(&AR_CutLink, &AR_StdLink);
         }/*
-        void SendOutAfter(ZCLink* AP_CutLink, ZtCObjList& rhs, ZCLink* AP_StdLink)*/
+        void SendOutAfter (ZCLink& AR_CutLink, ZtCObjList& rhs, ZCLink& AR_StdLink)*/
 
-        void SendOutBefore(ZCLink* AP_CutLink, ZtCObjList& rhs, ZCLink* AP_StdLink)
+        void SendOutBefore(ZCLink& AR_CutLink, ZtCObjList& rhs, ZCLink& AR_StdLink)
         {
-            // AP_CutLink 를 잘라서 rhs 의 AP_StdLink 앞에 연결한다.
-            // AP_StdLink==0 이면,  rhs 의 뒤에 삽입한다.
+            // AR_CutLink 를 잘라서 rhs 의 AR_StdLink 앞에 연결한다.
 
-            CutLink(AP_CutLink); rhs.JoinBefore(AP_CutLink, AP_StdLink);
+            CutLink(&AR_CutLink); rhs.JoinBefore(&AR_CutLink, &AR_StdLink);
         }/*
-        void SendOutBefore(ZCLink* AP_CutLink, ZtCObjList& rhs, ZCLink* AP_StdLink)*/
+        void SendOutBefore(ZCLink& AR_CutLink, ZtCObjList& rhs, ZCLink& AR_StdLink)*/
 
 
-        void SendOutHead(ZCLink* AP_CutLink, ZtCObjList& rhs)
-        {
-            // AP_CutLink 를 잘라서 rhs 의 앞에 연결한다.
+        void SendOutHead(ZCLink& AR_CutLink, ZtCObjList& rhs)
+          { CutLink(&AR_CutLink); rhs.JoinAfter (&AR_CutLink, 0); }
 
-            SendOutAfter (AP_CutLink, rhs, 0);
-        }
-        void SendOutTail(ZCLink* AP_CutLink, ZtCObjList& rhs)
-        {
-            // AP_CutLink 를 잘라서 rhs 의 뒤에 연결한다.
-
-            SendOutBefore(AP_CutLink, rhs, 0);
-        }/*
-        void SendOutTail(ZCLink* AP_CutLink, ZtCObjList& rhs)*/
+        void SendOutTail(ZCLink& AR_CutLink, ZtCObjList& rhs)
+          { CutLink(&AR_CutLink); rhs.JoinBefore(&AR_CutLink, 0); }
 
 
         operator Type&()
@@ -2214,43 +2204,12 @@ namespace ZNsMain
 
         Type& GetData(TypeSize AI_Index)
         {
-        #ifdef _DEBUG
-
-            if(AI_Index<1 || AI_Index>ml_LinkSize)
-            {
-                std::fstream fileout("DEBUG.txt",std::ios::out | std::ios::app);
-                fileout<<std::endl<<"File : "<<__FILE__<<std::endl<<"Line : "<<__LINE__<<std::endl;
-                fileout<<"Error In 'Type& GetData(TypeSize AI_Index)' : Parameter is bad index("<<AI_Index<<")"<<std::endl;
-                fileout.close();
-
-                ::exit(1);
-            }/*
-            if(AI_Index<1 || AI_Index>ml_LinkSize)*/
-
-        #endif //_DEBUG
-
             return GetLinkPtr(AI_Index)->GetData();
         }/*
         Type& GetData(TypeSize AI_Index)*/
 
-
         const Type& GetData(TypeSize AI_Index) const
         {
-        #ifdef _DEBUG
-
-            if(AI_Index<1 || AI_Index>ml_LinkSize)
-            {
-                std::fstream fileout("DEBUG.txt",std::ios::out | std::ios::app);
-                fileout<<std::endl<<"File : "<<__FILE__<<std::endl<<"Line : "<<__LINE__<<std::endl;
-                fileout<<"Error In 'const Type& GetData(TypeSize AI_Index) const' : Parameter is bad index("<<AI_Index<<")"<<std::endl;
-                fileout.close();
-
-                ::exit(1);
-            }/*
-            if(AI_Index<1 || AI_Index>ml_LinkSize)*/
-
-        #endif //_DEBUG
-
             return GetLinkPtr(AI_Index)->GetData();
         }/*
         const Type& GetData(TypeSize AI_Index) const*/
@@ -2258,85 +2217,24 @@ namespace ZNsMain
 
         Type& GetHeadData()
         {
-        #ifdef _DEBUG
-
-            if(mp_HeadLink==0)
-            {
-                std::fstream fileout("DEBUG.txt",std::ios::out | std::ios::app);
-                fileout<<std::endl<<"File : "<<__FILE__<<std::endl<<"Line : "<<__LINE__<<std::endl;
-                fileout<<"Error In 'Type& ZNsMain::ZtCObjList::GetHeadData()' : Type Instance is nothing"<<std::endl;
-                fileout.close();
-
-                ::exit(1);
-            }/*
-            if(mp_HeadLink==0)*/
-
-        #endif //#_DEBUG
-
             return mp_HeadLink->GetData();
         }/*
         Type& GetHeadData()*/
 
-        const Type& GetHeadData() const
-        {
-        #ifdef _DEBUG
-
-            if(mp_HeadLink==0)
-            {
-                std::fstream fileout("DEBUG.txt",std::ios::out | std::ios::app);
-                fileout<<std::endl<<"File : "<<__FILE__<<std::endl<<"Line : "<<__LINE__<<std::endl;
-                fileout<<"Error In 'const Type& ZNsMain::ZtCObjList::GetHeadData() const' : Type Instance is nothing"<<std::endl;
-                fileout.close();
-
-                ::exit(1);
-            }/*
-            if(mp_HeadLink==0)*/
-
-        #endif //_DEBUG
-
-            return mp_HeadLink->GetData();
-        }/*
-        const Type& GetHeadData() const*/
-
-
         Type& GetTailData()
         {
-        #ifdef _DEBUG
-
-            if(mp_HeadLink==0)
-            {
-                std::fstream fileout("DEBUG.txt",std::ios::out | std::ios::app);
-                fileout<<std::endl<<"File : "<<__FILE__<<std::endl<<"Line : "<<__LINE__<<std::endl;
-                fileout<<"Error In 'Type& ZNsMain::ZtCObjList::GetTailData()' : Type Instance is nothing"<<std::endl;
-                fileout.close();
-
-                ::exit(1);
-            }/*
-            if(mp_HeadLink==0)*/
-
-        #endif //_DEBUG
-
             return mp_HeadLink->mp_PrevLink->GetData();
         }/*
         Type& GetTailData()*/
 
+        const Type& GetHeadData() const
+        {
+            return mp_HeadLink->GetData();
+        }/*
+        const Type& GetHeadData() const*/
+
         const Type& GetTailData() const
         {
-        #ifdef _DEBUG
-
-            if(mp_HeadLink==0)
-            {
-                std::fstream fileout("DEBUG.txt",std::ios::out | std::ios::app);
-                fileout<<std::endl<<"File : "<<__FILE__<<std::endl<<"Line : "<<__LINE__<<std::endl;
-                fileout<<"Error In 'const Type& ZNsMain::ZtCObjList::GetTailData() const' : Type Instance is nothing"<<std::endl;
-                fileout.close();
-
-                ::exit(1);
-            }/*
-            if(mp_HeadLink==0)*/
-
-        #endif //_DEBUG
-
             return mp_HeadLink->mp_PrevLink->GetData();
         }/*
         const Type& GetTailData() const*/
diff --git a/ZCppMainTest/ZtCObjList_000.cpp b/ZCppMainTest/ZtCObjList_000.cpp
index 8da9d29..e55381f 100644
--- a/ZCppMainTest/ZtCObjList_000.cpp
+++ b/ZCppMainTest/ZtCObjList_000.cpp
@@ -81,6 +81,23 @@ namespace ZNsMain
             static void ShowNode2(ZCLink2& AR_CLink, int& ARRI_CallCnt)*/
 
 
+            static void ShowNode1_3(ZCLink1& AR_CLink, int& ARRI_CallCnt)
+            {
+                ++ARRI_CallCnt;
+
+                cout<<ARRI_CallCnt<<" * Node Curr : "<<*(AR_CLink  )<<endl;
+            }/*
+            static void ShowNode1(ZCLink1& AR_CLink, int& ARRI_CallCnt)*/
+
+            static void ShowNode2_3(ZCLink2& AR_CLink, int& ARRI_CallCnt)
+            {
+                ++ARRI_CallCnt;
+
+                cout<<ARRI_CallCnt<<" * Node Curr : "<<*(AR_CLink  )<<endl;
+            }/*
+            static void ShowNode2(ZCLink2& AR_CLink, int& ARRI_CallCnt)*/
+
+
             static int Main(int AI_ArgCnt=0, char* APP_ArgVal[]=0)
             {
                 CStringBase  VO_CStringBase ;
@@ -257,7 +274,7 @@ namespace ZNsMain
                     VO_ListOfStr10.IterElemLink(&ShowNode1_2, ZftMCP(VI_CallCnt=0));
 
                 cout<<"# list10 2th link to list11 tail"<<endl;
-                    VO_ListOfStr10.SendOutTail(VO_ListOfStr10.GetLinkPtr(2), VO_ListOfStr11);
+                    VO_ListOfStr10.SendOutTail(*VO_ListOfStr10.GetLinkPtr(2), VO_ListOfStr11);
 
                 cout<<"# list10 IterElemLink ################"<<endl;
                     VO_ListOfStr10.IterElemLink(&ShowNode1_2, ZftMCP(VI_CallCnt=0));
@@ -265,12 +282,12 @@ namespace ZNsMain
                     VO_ListOfStr11.IterElemLink(&ShowNode1_2, ZftMCP(VI_CallCnt=0));
 
                 cout<<"# list10 1th link to list10 head"<<endl;
-                    VO_ListOfStr10.SendOutHead(VO_ListOfStr10.GetLinkPtr(1), VO_ListOfStr11);
+                    VO_ListOfStr10.SendOutHead(*VO_ListOfStr10.GetLinkPtr(1), VO_ListOfStr11);
 
                 cout<<"# list10 IterElemLink ################"<<endl;
-                    VO_ListOfStr10.IterElemLink(&ShowNode1_2, ZftMCP(VI_CallCnt=0));
+                    VO_ListOfStr10.IterElemLink(&ShowNode1_3, ZftMCP(VI_CallCnt=0));
                 cout<<"# list11 IterElemLink ################"<<endl;
-                    VO_ListOfStr11.IterElemLink(&ShowNode1_2, ZftMCP(VI_CallCnt=0));
+                    VO_ListOfStr11.IterElemLink(&ShowNode1_3, ZftMCP(VI_CallCnt=0));
 
 
                 return 0;