diff --git a/global.h b/global.h
index 5dfd6b2..fcb41e1 100644
--- a/global.h
+++ b/global.h
@@ -39,7 +39,7 @@ public:
     }
     ~ASyncReadData(){
         if(mMod)
-            modbus_close(mMod);
+          modbus_close(mMod);
     }
     void Stop(){
         mRuning = false;
@@ -49,27 +49,30 @@ public:
     }
     void AddConfig(Config *c){
         if(nullptr != c){
+          mMux.lock();
           for(auto itr = mConf.begin();itr != mConf.end();
               itr++){
               if (c == *itr){
+                mMux.unlock();
                 return;
               }
           }
           this->mConf.append(c);
+          mMux.unlock();
         }
     }
     void Run(void *v) override{
+
         // 读取1
         float x = 0;
         while(mRuning){
+            int count = 0;
 
-            int it = 0;
-            for(;it < mConf.size();
-                it++){
+            for(int it = 0;it < mConf.size();it++) {
                 auto itr = mConf.at(it);
                 uint16_t dat[10] = {0};
                 mMod = modbus_new_rtu(itr->com.toStdString().c_str(),
-                    57600, 'N', 8, 1);   //相同的端口只能同时打开一个
+                                      57600, 'N', 8, 1);   //相同的端口只能同时打开一个
 
                 modbus_set_debug(mMod,true);
                 modbus_set_slave(mMod,itr->addr);  //设置modbus从机地址
@@ -79,32 +82,32 @@ public:
 
                 for(auto s = 0;s < itr->req.length();s++){
 
+                    QThread::msleep(1000);
+                    int ret = modbus_read_registers(mMod,itr->req[s].addr,itr->req[s].len,dat);
 
-                  QThread::msleep(1000);
-                  int ret = modbus_read_registers(mMod,itr->req[s].addr,itr->req[s].len,dat);
+                    mMux.lock();
+                    if(mListData.contains(itr->addr)){
+                        mListData[itr->addr]->push_front(new CapData{
+                                                           itr->addr,
+                                                           float(float(dat[0])),
+                                                         });
+                      }else{
+                        mListData[itr->addr] = new QList<CapData *>;
+                        mListData[itr->addr]->push_front(new CapData{
+                                                           itr->addr,
+                                                           float(float(dat[0])),
+                                                         });
+                      }
+                    x += 3.1415*2 /256;
+
+                    mMux.unlock();
 
-                  mMux.lock();
-                  if(mListData.contains(itr->addr)){
-                      mListData[itr->addr]->push_front(new CapData{
-                              itr->addr,
-                              float(float(dat[0])),
-                       });
-                  }else{
-                      mListData[itr->addr] = new QList<CapData *>;
-                      mListData[itr->addr]->push_front(new CapData{
-                              itr->addr,
-                              float(float(dat[0])),
-                       });
                   }
-                  x += 3.1415*2 /256;
-
-                  mMux.unlock();
-
-                }
                 modbus_close(mMod);
-            }
-            QThread::msleep(1000*pcom->rate);
-        }
+              }
+            qDebug()<<"keep alive";
+            QThread::msleep(100);
+          }
         // 读取2
     }
 
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 01725ea..bae4659 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -60,30 +60,28 @@ void MainWindow::on_pushButton_clicked()
 
 void MainWindow::on_pushButton_3_clicked()
 {
+  if(nullptr == gAsyncData){
+      gAsyncData = new ASyncReadData(this);
+      connect(gAsyncData,&QSSASyncProcess::Done,[&](){
+          qDebug()<<"done";
+      });
+      qDebug()<<"hello world";
+      gAsyncData->Start(nullptr);
+
+  }
     if(this->mForms.contains(ui->lineEdit_2->text())){
         QMessageBox::warning(this,"�����Ѿ���","�����Ѿ���");
         return;
     }
-    SubForm *p1 = new SubForm(ui->lineEdit_2->text(),
+    SubForm *p1 = new SubForm(ui->comboBox_2->currentText(),
                               ui->comboBox->currentText().toInt(),
                               ui->lineEdit_2->text().toInt());
     qDebug()<<ui->lineEdit_2->text();
-    ui->tabWidget->addTab((QWidget*)p1,"�豸��ַ:" + ui->lineEdit_2->text());
+    ui->tabWidget->addTab((QWidget*)p1,"address:" + ui->lineEdit_2->text());
     this->mForms[ui->lineEdit_2->text()] = p1;
 
-    if(nullptr == gAsyncData){
-        gAsyncData = new ASyncReadData(this);
-        connect(gAsyncData,&QSSASyncProcess::Done,[&](){
-            qDebug()<<"done";
-        });
 
-    }
 
-//    gAsyncData->AddConfig(new Config{
-//        QString(ui->comboBox_2->currentText()),
-//        ui->lineEdit_2->text().toInt(),
-//        ui->lineEdit_3->text().toInt(),
-//    });
 
 }
 
diff --git a/mainwindow.cpp.rej b/mainwindow.cpp.rej
new file mode 100644
index 0000000..916c0d3
--- /dev/null
+++ b/mainwindow.cpp.rej
@@ -0,0 +1,13 @@
+diff a/mainwindow.cpp b/mainwindow.cpp	(rejected hunks)
+@@ -79,6 +79,11 @@
+ 
+     }
+ 
++//    gAsyncData->AddConfig(new Config{
++//        QString(ui->comboBox_2->currentText()),
++//        ui->lineEdit_2->text().toInt(),
++//        ui->lineEdit_3->text().toInt(),
++//    });
+ 
+ }
+ 
diff --git a/mainwindow.ui b/mainwindow.ui
index bc1bc0e..1d93aa9 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -54,6 +54,7 @@
        <widget class="QComboBox" name="comboBox_2">
         <property name="font">
          <font>
+          <family>Arial</family>
           <pointsize>12</pointsize>
          </font>
         </property>
diff --git a/subform.cpp b/subform.cpp
index 4bd122e..5b9c3c4 100644
--- a/subform.cpp
+++ b/subform.cpp
@@ -27,13 +27,17 @@ SubForm::SubForm(QString addr,int baurate,int device_addr)
     mModel->setHorizontalHeaderLabels(QStringList() << "�Ĵ�����ַ" << "����ֵ"<<"��ȡʱ��");
     ui->tableView->setModel(mModel);
 
+    mConfig = new Config;
+    mConfig->addr = device_addr;
+    mConfig->com =  *com;
+
     connect(pTimer,&QTimer::timeout,[=](){
         static float sd = 0;
         if(gAsyncData == nullptr)
             return;
         CapData *z = new CapData;
 
-        int ret = gAsyncData->TakeLast((*com).toInt(),&z);
+        int ret = gAsyncData->TakeLast(device_addr,&z);
         if(ret == 0){
             mSeries1->append(sd,z->val1);
 
@@ -60,10 +64,8 @@ SubForm::SubForm(QString addr,int baurate,int device_addr)
     pTimer->start(100);
     qDebug()<<QDateTime::currentDateTime().toString();
     ui->lineEdit_2->setText(addr);
+    gAsyncData->AddConfig(this->mConfig);
 
-    mConfig = new Config;
-    mConfig->addr = device_addr;
-    mConfig->com =  *com;
 }
 
 void SubForm::on_pushButton_clicked() {