diff --git a/testHasttable/cimexporter.cpp b/testHasttable/cimexporter.cpp
index c9c0f15..4ad2552 100644
--- a/testHasttable/cimexporter.cpp
+++ b/testHasttable/cimexporter.cpp
@@ -6,7 +6,7 @@ CIMExporter::CIMExporter(const QHash<QString, BasicElementInfo *> &eleHT, const
 
 void CIMExporter::add(const QPair<QString,QString>& fromTo,Line* line)
 {
-    CIMExporter::LineStru lineStru;
+    LineStru lineStru;
     lineStru.line=line;
     lineStru.fromID=fromTo.first;
     lineStru.toID=fromTo.second;
@@ -15,7 +15,7 @@ void CIMExporter::add(const QPair<QString,QString>& fromTo,Line* line)
 }
 void CIMExporter::add(const QPair<QString,QString>& fromTo,Switch* sw)
 {
-    CIMExporter::SwitchStru switchStru;
+    SwitchStru switchStru;
     switchStru.sw=sw;
     switchStru.fromID=fromTo.first;
     switchStru.toID=fromTo.second;
@@ -23,7 +23,7 @@ void CIMExporter::add(const QPair<QString,QString>& fromTo,Switch* sw)
 }
 void CIMExporter::add(const QPair<QString,QString>& fromTo,Transformer* tf)
 {
-    CIMExporter::TransformerStru tfStru;
+    TransformerStru tfStru;
     tfStru.tf=tf;
     tfStru.fromID=fromTo.first;
     tfStru.toID=fromTo.second;
@@ -48,7 +48,7 @@ void CIMExporter::exportTo(const QString& path)
         QTextStream writer(&fd);
         writer<<QStringLiteral("线路")<<QStringLiteral("\r\n");
         writer<<QStringLiteral("节点号")<<QStringLiteral("\t")<<QStringLiteral("节点号")<<QStringLiteral("\t")<<QStringLiteral("型号")<<QStringLiteral("\t")<<QStringLiteral("长度(m)")<<QStringLiteral("\r\n");
-        for(QList<CIMExporter::LineStru>::iterator ite=this->line.begin();
+        for(QList<LineStru>::iterator ite=this->line.begin();
             ite!=this->line.end();
             ite++)
         {
@@ -59,7 +59,7 @@ void CIMExporter::exportTo(const QString& path)
             writer<<l.line->length<<"\r\n";
         }
         //输出刀闸
-        for(QList<CIMExporter::SwitchStru>::iterator ite=this->sw.begin();
+        for(QList<SwitchStru>::iterator ite=this->sw.begin();
             ite!=this->sw.end();
             ite++)
         {
@@ -83,7 +83,7 @@ void CIMExporter::exportTo(const QString& path)
         writer<<QStringLiteral("变压器")<<"\r\n";
         writer<<QStringLiteral("节点号")<<"\t"<<QStringLiteral("节点号")<<"\t"<<QStringLiteral("型号")<<"\t"<<QStringLiteral("容量(MVA)")<<"\r\n";
         QStringList usedLoad;
-        for(QList<CIMExporter::TransformerStru>::iterator ite=this->tf.begin();
+        for(QList<TransformerStru>::iterator ite=this->tf.begin();
             ite!=this->tf.end();
             ite++)
         {
@@ -168,19 +168,19 @@ bool CIMExporter::topologyTest()
 {
     //检查一下拓扑关系
     QList<QPair<int,int> > linkage;
-    for(QList<CIMExporter::LineStru>::iterator ite=this->line.begin();
+    for(QList<LineStru>::iterator ite=this->line.begin();
         ite!=this->line.end();
         ite++)
     {
         linkage.push_back(QPair<int,int>(ite->fromNum,ite->toNum));
     }
-    for(QList<CIMExporter::SwitchStru>::iterator ite=this->sw.begin();
+    for(QList<SwitchStru>::iterator ite=this->sw.begin();
         ite!=this->sw.end();
         ite++)
     {
         linkage.push_back(QPair<int,int>(ite->fromNum,ite->toNum));
     }
-    for(QList<CIMExporter::TransformerStru>::iterator ite=this->tf.begin();
+    for(QList<TransformerStru>::iterator ite=this->tf.begin();
         ite!=this->tf.end();
         ite++)
     {
diff --git a/testHasttable/cimexporter.h b/testHasttable/cimexporter.h
index 4fc89f7..08f6ea8 100644
--- a/testHasttable/cimexporter.h
+++ b/testHasttable/cimexporter.h
@@ -4,6 +4,7 @@
 #include "element/line.h"
 #include "element/switch.h"
 #include "element/transformer.h"
+#include "element/commontype.h"
 #include <QPair>
 #include <QHash>
 #include <QStringList>
@@ -19,31 +20,10 @@
 #include <QVector>
 #include "topologytest.h"
 //#include "elementhashtable.h"
-class Substation;
+//class Substation;
 class CIMExporter
 {
-    struct BranchStruc
-    {
-        QString fromID;
-        QString toID;
-        int fromNum;
-        int toNum;
-    };
-    struct LineStru:public BranchStruc
-    {
-        Line *line;
 
-    };
-    struct SwitchStru:public BranchStruc
-    {
-        Switch *sw;
-
-    };
-    struct TransformerStru:public BranchStruc
-    {
-        Transformer *tf;
-
-    };
 public:
     explicit CIMExporter(const QHash<QString,BasicElementInfo *>& eleHT,const QString& loadDir);
     void add(const QPair<QString,QString>& fromTo,Line* line);
diff --git a/testHasttable/element/commontype.h b/testHasttable/element/commontype.h
new file mode 100644
index 0000000..53382dc
--- /dev/null
+++ b/testHasttable/element/commontype.h
@@ -0,0 +1,29 @@
+#ifndef COMMONTYPE
+#define COMMONTYPE
+
+struct BranchStruc
+{
+    QString fromID;
+    QString toID;
+    int fromNum;
+    int toNum;
+};
+struct LineStru:public BranchStruc
+{
+    Line *line;
+
+};
+struct SwitchStru:public BranchStruc
+{
+    Switch *sw;
+
+};
+struct TransformerStru:public BranchStruc
+{
+    Transformer *tf;
+
+};
+
+
+#endif // COMMONTYPE
+
diff --git a/testHasttable/elementreduction.cpp b/testHasttable/elementreduction.cpp
new file mode 100644
index 0000000..28ec3ee
--- /dev/null
+++ b/testHasttable/elementreduction.cpp
@@ -0,0 +1,12 @@
+#include "elementreduction.h"
+
+ElementReduction::ElementReduction()
+{
+
+}
+
+ElementReduction::~ElementReduction()
+{
+
+}
+
diff --git a/testHasttable/elementreduction.h b/testHasttable/elementreduction.h
new file mode 100644
index 0000000..3c38c72
--- /dev/null
+++ b/testHasttable/elementreduction.h
@@ -0,0 +1,12 @@
+#ifndef ELEMENTREDUCTION_H
+#define ELEMENTREDUCTION_H
+
+//把电阻等于0的元件都去掉
+class ElementReduction
+{
+public:
+    ElementReduction();
+    ~ElementReduction();
+};
+
+#endif // ELEMENTREDUCTION_H
diff --git a/testHasttable/testHasttable.pro b/testHasttable/testHasttable.pro
index 6eab77b..f5b945d 100644
--- a/testHasttable/testHasttable.pro
+++ b/testHasttable/testHasttable.pro
@@ -44,7 +44,8 @@ SOURCES += main.cpp \
     loadmatchexception.cpp \
     dgmapping.cpp \
     dginfo.cpp \
-    topologytest.cpp
+    topologytest.cpp \
+    elementreduction.cpp
 
 HEADERS += \
     elementhashtable.h \
@@ -75,7 +76,9 @@ HEADERS += \
     loadmatchexception.h \
     dgmapping.h \
     dginfo.h \
-    topologytest.h
+    topologytest.h \
+    elementreduction.h \
+    element/commontype.h
 
 #release{
 DEFINES += QT_NO_DEBUG_OUTPUT
diff --git a/testHasttable/topologytest.cpp b/testHasttable/topologytest.cpp
index d8b1758..9e81053 100644
--- a/testHasttable/topologytest.cpp
+++ b/testHasttable/topologytest.cpp
@@ -20,9 +20,9 @@ bool TopologyTest::start(const QList<QPair<int,int> >& linkage)
         ite++
         )
     {
-        int f=(*ite).first-1;
-        int s=(*ite).second-1;
-        std::cout<<f<<" to "<<s<<std::endl;
+//        int f=(*ite).first-1;
+//        int s=(*ite).second-1;
+//        std::cout<<f<<" to "<<s<<std::endl;
         arch[(*ite).first-1].push_back((*ite).second-1);
         arch[(*ite).second-1].push_back((*ite).first-1);
     }