diff --git a/.gitignore b/.gitignore
index b5a843c..0f397a5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,11 @@
 *.pro.user*
 *.bak
 *.orig
+*e.Debug
+*e.Release
+core/object_script.core.Debug
 debug
 release
 Makefile*
 testHasttable/*Debug
-testHasttable/*Release
\ No newline at end of file
+testHasttable/*Release
diff --git a/testHasttable/elementhashtable.cpp b/testHasttable/elementhashtable.cpp
index 1fd8ed1..c4b742d 100644
--- a/testHasttable/elementhashtable.cpp
+++ b/testHasttable/elementhashtable.cpp
@@ -84,7 +84,14 @@ bool ElementHashtable::goPath()
             //找Terminal的东西
             Terminal *terminalP=static_cast<Terminal *>(ht[terminal]);
             std::cout<<terminalP->getID().toStdString()<<std::endl;
-//            std::cout<<terminalP->getConductingEquipment().toStdString()<<std::endl;
+            QString node;
+            node=terminalP->getConnectivityNode();
+            std::cout<<node.toStdString()<<std::endl;
+            QString anotherTerminal;
+            anotherTerminal=this->nodeToTerminal.value(node);
+//            std::cout<<"anotherTerminal"<<anotherTerminal.toStdString()<<std::endl;
+            Terminal *anotherTerminalP=static_cast<Terminal *>(ht[anotherTerminal]);
+            std::cout<<anotherTerminalP->getConductingEquipment().toStdString()<<std::endl;
         }
     }
     return true;
diff --git a/testHasttable/elementhashtable.h b/testHasttable/elementhashtable.h
index d088c1b..01b3174 100644
--- a/testHasttable/elementhashtable.h
+++ b/testHasttable/elementhashtable.h
@@ -17,6 +17,7 @@
 #include "disconnector.h"
 #include "powertransformer.h"
 #include "synchronousmachine.h"
+#include "nodetoterminal.h"
 class ElementHashtable : public QObject
 {
     Q_OBJECT
@@ -27,6 +28,7 @@ public:
 private:
     bool child(QXmlStreamReader &reader);
     QHash<QString,BasicElementInfo *> eleHT;
+    NodeToTerminal nodeToTerminal;
 signals:
 
 public slots:
diff --git a/testHasttable/nodetoterminal.cpp b/testHasttable/nodetoterminal.cpp
index bfc37bf..ace622f 100644
--- a/testHasttable/nodetoterminal.cpp
+++ b/testHasttable/nodetoterminal.cpp
@@ -1,10 +1,13 @@
 #include "nodetoterminal.h"
+#include <iostream>
 QHash<QString,QString> *NodeToTerminal::ht=NULL;
 NodeToTerminal::NodeToTerminal()
 {
     if(!NodeToTerminal::ht)
     {
+//        std::cout<<"create"<<std::endl;
         NodeToTerminal::ht=new QHash<QString,QString>;
+//        std::cout<<this->value("").toStdString()<<std::endl;
     }
 }
 
@@ -20,14 +23,24 @@ bool NodeToTerminal::contains(const QString& key)
 
 QString NodeToTerminal::value(const QString& key)
 {
+//    if(NodeToTerminal::ht)
+//    {
+//      //return NodeToTerminal::ht->value(key);
+//        return "not null";
+//    }
+//    else
+//    {
+//        return "null";
+//    }
+//    return "";
     return NodeToTerminal::ht->value(key);
 }
 
 NodeToTerminal::~NodeToTerminal()
 {
-    if(NodeToTerminal::ht)
-    {
-        delete NodeToTerminal::ht;
-        NodeToTerminal::ht=NULL;
-    }
+//    if(NodeToTerminal::ht)
+//    {
+//        delete NodeToTerminal::ht;
+//        NodeToTerminal::ht=NULL;
+//    }
 }
diff --git a/testHasttable/nodetoterminal.h b/testHasttable/nodetoterminal.h
index 32e0a41..bea771c 100644
--- a/testHasttable/nodetoterminal.h
+++ b/testHasttable/nodetoterminal.h
@@ -6,13 +6,23 @@
 class NodeToTerminal
 {
 public:
-    explicit NodeToTerminal();
+    NodeToTerminal();
     ~NodeToTerminal();
     void add(const QString& key,const QString& value);
     bool contains(const QString& key);
     QString value(const QString& key);
 private:
-    static QHash<QString,QString> *ht;
+    class CG // 它的唯一工作就是在析构函数中删除CSingleton的实例
+        {
+            public:
+                ~CG()
+                {
+                    if (NodeToTerminal::ht)
+                        delete NodeToTerminal::ht;
+                }
+        };
+    static CG Garbo; // 定义一个静态成员，在程序结束时，系统会调用它的析构函数
+    static QHash<QString,QString>  *ht;
 
 
 };
diff --git a/testHasttable/terminal.cpp b/testHasttable/terminal.cpp
index 079f080..11fc48c 100644
--- a/testHasttable/terminal.cpp
+++ b/testHasttable/terminal.cpp
@@ -1,5 +1,5 @@
 #include "terminal.h"
-
+#include <iostream>
 Terminal::Terminal(QObject *parent):BasicElementInfo(parent)
 {
 }
@@ -34,8 +34,14 @@ QString Terminal::getConductingEquipment()
     return this->conductingEquipment;
 }
 
+QString Terminal::getConnectivityNode()
+{
+    return this->connectivityNode;
+}
 
 bool Terminal::parse(QXmlStreamReader& reader)
 {
     return this->parseBasicInfo(reader);
 }
+
+
diff --git a/testHasttable/terminal.h b/testHasttable/terminal.h
index f7f0227..4586295 100644
--- a/testHasttable/terminal.h
+++ b/testHasttable/terminal.h
@@ -9,6 +9,7 @@ public:
     explicit Terminal(QObject *parent = 0);
     virtual bool parse(QXmlStreamReader& reader);
     QString getConductingEquipment();
+    QString getConnectivityNode();
 protected:
     virtual bool derivedParse(QXmlStreamReader& reader);
     QString conductingEquipment;