diff --git a/LibManagementSystem/book_info.cpp b/LibManagementSystem/book_info.cpp
index c65110eb1c998eeba0daabab1d4a8f7ddc94f23b..3218563beb412287b057adc3c469c33ca1bf2e34 100644
--- a/LibManagementSystem/book_info.cpp
+++ b/LibManagementSystem/book_info.cpp
@@ -75,6 +75,7 @@ void book_info::processb(int r)
 
 void book_info::on_pushButton_clicked()
 {
+//    emit ifborcon();
     if(user->account=="")
     {
         QMessageBox* box = new QMessageBox(this);
@@ -127,7 +128,6 @@ void book_info::fail_infobor(QString failmsg)
 
 void book_info::receive_infobor()
 {
-    emit recon();
     QMessageBox* box = new QMessageBox(this);
     box->setIcon(QMessageBox::Information);
     box->setWindowTitle("提示");
diff --git a/LibManagementSystem/borrow.cpp b/LibManagementSystem/borrow.cpp
index 48655704a2e75a6d7e9976495068f1628153aea4..e7a95b52779d370efe6c5cfb6a18105315489681 100644
--- a/LibManagementSystem/borrow.cpp
+++ b/LibManagementSystem/borrow.cpp
@@ -60,7 +60,7 @@ void borrow::on_enter_btn_clicked()
                                            ,QMessageBox::Yes|QMessageBox::No);
             switch(re){
             case QMessageBox::Yes:
-                emit send_app(msg);
+                emit send_enter(msg);
                 if(match.indexIn(user->message) != -1){
                     user->message = "";
                 }
diff --git a/LibManagementSystem/communication_module.cpp b/LibManagementSystem/communication_module.cpp
index 3f7cca17833437118552fbaf23226bdd6309cf94..fcfac9fd093c2c31b6475e6fcb0eb1d796970d54 100644
--- a/LibManagementSystem/communication_module.cpp
+++ b/LibManagementSystem/communication_module.cpp
@@ -17,7 +17,7 @@ communication_module::~communication_module()
 //准备连接服务器
 void communication_module::sendmsgPreparation(QByteArray msg)
 {
-//    qDebug() << "发送信号";
+    qDebug() << "发送信号";
     if(!has_msg_sent)
         msg_tobe_sent=msg;
     if(socket==nullptr){
diff --git a/LibManagementSystem/login.cpp b/LibManagementSystem/login.cpp
index 00b952abfb178b26186d1888447ea28aa79c32bd..a2404cc29be8a0eec7ab6e1d7dbdb1cbfb9986d7 100644
--- a/LibManagementSystem/login.cpp
+++ b/LibManagementSystem/login.cpp
@@ -57,7 +57,7 @@ void login::fail_login(QString failmsg)
     box->setText(failmsg);
     box->show();
     box->setAttribute(Qt::WA_DeleteOnClose);
-//    qDebug() << "登陆失败";
+    qDebug() << "登陆失败";
 }
 
 void login::receive_login()
@@ -65,7 +65,7 @@ void login::receive_login()
     ui->accountlineEdit->clear();
     ui->passwordlineEdit->clear();
     emit open_main();
-//    qDebug() << "登陆成功";
+    qDebug() << "登陆成功";
 }
 
 void login::fail_regis(QString failmsg)
diff --git a/LibManagementSystem/mainwindow.cpp b/LibManagementSystem/mainwindow.cpp
index 12278248a70f537bb0465c61f95efa6f0ab887e5..47497ce60ced738ebe51157b23298837b04bb5e3 100644
--- a/LibManagementSystem/mainwindow.cpp
+++ b/LibManagementSystem/mainwindow.cpp
@@ -228,6 +228,7 @@ void MainWindow::searchC()
     connect(client,&communication_module::pic_received,sea,&search::picture_received);
     connect(client,&communication_module::process_update,sea,&search::process);
     connect(sea,&search::nw,this,&MainWindow::rw);
+    connect(sea,&search::disW,this,&MainWindow::disW);
 }
 void MainWindow::rw()
 {
@@ -276,7 +277,6 @@ void MainWindow::loncon()
 void MainWindow::ifborcon()
 {
     disconnectAll();
-    disW();
     connect(sea->w,&book_info::send_bkif,client,&communication_module::sendmsgPreparation);
     connect(client,&communication_module::sendfail,sea->w,&book_info::fail_infobor);
     connect(client,&communication_module::msg_received,sea->w,&book_info::receive_infobor);
@@ -286,12 +286,12 @@ void MainWindow::ifborcon()
 void MainWindow::ifappcon()
 {
     disconnectAll();
-    disW();
     connect(sea->w,&book_info::send_bkif,client,&communication_module::sendmsgPreparation);
     connect(client,&communication_module::sendfail,sea->w,&book_info::fail_infoapp);
     connect(client,&communication_module::msg_received,sea->w,&book_info::receive_infoapp);
     connect(sea->w,&book_info::ifborcon,this,&MainWindow::ifborcon);
     connect(sea->w,&book_info::ifappcon,this,&MainWindow::ifappcon);
+    connect(sea,&search::nw,this,&MainWindow::rw);
 }
 
 void MainWindow::user_infoC()
diff --git a/LibManagementSystem/mainwindow.h b/LibManagementSystem/mainwindow.h
index 704dbde8c0d925892cb153c90bf96f5848036fdf..72e08c25dd4586601ec063ba3e782017c1c85912 100644
--- a/LibManagementSystem/mainwindow.h
+++ b/LibManagementSystem/mainwindow.h
@@ -36,7 +36,6 @@ public:
     void returnC();
     void user_infoC();
     void disconnectAll();
-    void disW();
     ~MainWindow();
 signals:
 
@@ -46,6 +45,7 @@ public slots:
     void ifborcon();
     void ifappcon();
     void rw();
+    void disW();
     void searchcon();
     void borrowcon();
     void appcon();
diff --git a/LibManagementSystem/search.cpp b/LibManagementSystem/search.cpp
index bc1bc5af2bc2010ac660c808ea585e7af2212eaa..212051942a5040d092e5d3d1814ceaa268c94f79 100644
--- a/LibManagementSystem/search.cpp
+++ b/LibManagementSystem/search.cpp
@@ -44,12 +44,13 @@ void search::infoClicked(const QModelIndex &u)
     else emit picture_received();
     w->setWindowTitle("书籍详细信息");
     w->exec();
-
+    emit w->recon();
+    emit disW();
     disconnect(this,&search::picture_received,w,&book_info::picture_get);
     disconnect(this,&search::picture_fail,w,&book_info::picture_fail);
     disconnect(w,&book_info::send_pic,this,&search::send);
     disconnect(this,&search::process,w,&book_info::processb);
-    w->setAttribute(Qt::WA_DeleteOnClose);
+    delete w;
 }
 search::~search()
 {
diff --git a/LibManagementSystem/search.h b/LibManagementSystem/search.h
index 56926d8e87adfa66fbdbd63b1d6abe195353c072..15ec12d6cfd49290f1a8e26f6c116e0ebf60d8c4 100644
--- a/LibManagementSystem/search.h
+++ b/LibManagementSystem/search.h
@@ -38,6 +38,7 @@ private:
 signals:
     void send(QByteArray);
     void nw();
+    void disW();
     void open_main();
     void open_login();
     void open_user_info();