diff --git a/UniversalTuringMachine.pro b/UniversalTuringMachine.pro
index d01e364..5ac8689 100644
--- a/UniversalTuringMachine.pro
+++ b/UniversalTuringMachine.pro
@@ -10,10 +10,12 @@ CONFIG += c++11
 
 SOURCES += \
     main.cpp \
-    mainwindow.cpp
+    mainwindow.cpp \
+    mylabel.cpp
 
 HEADERS += \
-    mainwindow.h
+    mainwindow.h \
+    mylabel.h
 
 FORMS += \
     mainwindow.ui
diff --git a/UniversalTuringMachine.pro.user b/UniversalTuringMachine.pro.user
index 966f713..1e7df8f 100644
--- a/UniversalTuringMachine.pro.user
+++ b/UniversalTuringMachine.pro.user
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 6.0.0, 2021-12-16T00:03:13. -->
+<!-- Written by QtCreator 6.0.0, 2021-12-16T13:42:03. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>
diff --git a/main.cpp b/main.cpp
index fd3e533..24911c8 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,6 +1,7 @@
 #include "mainwindow.h"
 
 #include <QApplication>
+#include <QLabel>
 
 int main(int argc, char *argv[])
 {
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 4f14554..85c2302 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -113,6 +113,14 @@ MainWindow::MainWindow(QWidget *parent)
     btn_step->setGeometry(930, 390, 50, 40);
     btn_step->setText("下一步");
 
+    //纸带
+    for(int i=0;i<24;i++)
+    {
+        label[i]=new MyLabel(this);
+        label[i]->setPos(30+40*i,500);
+        label[i]->hide();
+    }
+
     QObject::connect(btn_import, SIGNAL(clicked()), this, SLOT(importFile()));
     QObject::connect(btn_confirm, SIGNAL(clicked()), this, SLOT(startSimulate()));
     QObject::connect(btn_step, SIGNAL(clicked()), this, SLOT(nextStep()));
@@ -177,6 +185,15 @@ void MainWindow::importFile()
 void MainWindow::startSimulate()
 {
     QString str=line_str->text();
+    label[2]->setText("B");
+    label[2]->show();
+    for(int i=0;i<str.length();i++)
+    {
+        label[i+3]->setText(str[i]);
+        label[i+3]->show();
+        label[i+4]->setText("B");
+        label[i+4]->show();
+    }
 }
 
 void MainWindow::nextStep()
diff --git a/mainwindow.h b/mainwindow.h
index 7e25391..3125283 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -16,6 +16,9 @@
 #include <QStringList>
 #include <QDebug>
 #include <QList>
+#include "mylabel.h"
+#include <QFont>
+
 
 QT_BEGIN_NAMESPACE
 namespace Ui { class MainWindow; }
@@ -47,5 +50,6 @@ private:
     QListWidget *list_file,*list_func;
     QPushButton *btn_import,*btn_confirm,*btn_step;
 
+    MyLabel* label[25];
 };
 #endif // MAINWINDOW_H
diff --git a/mylabel.cpp b/mylabel.cpp
new file mode 100644
index 0000000..fc84086
--- /dev/null
+++ b/mylabel.cpp
@@ -0,0 +1,48 @@
+#include "mylabel.h"
+
+MyLabel::MyLabel(QMainWindow *parent)
+{
+    label=new QLabel(parent);
+    QFont font ("Microsoft YaHei",20,75);
+    label->setFont(font);
+    label->setFixedSize(40,55);
+    label->setAlignment(Qt::AlignCenter);
+    label->setStyleSheet("border-width: 2px;border-style: solid;border-color: rgb(236, 170, 201);background-color: rgb(255, 20, 20);");
+}
+
+MyLabel::MyLabel(QMainWindow *parent,QString text)
+{
+    label=new QLabel(parent);
+    label->setText(text);
+
+}
+
+MyLabel::~MyLabel()
+{
+    delete label;
+}
+
+void MyLabel::setGeometry(int ax,int ay,int aw,int ah)
+{
+    label->setGeometry(ax,ay,aw,ah);
+}
+
+void MyLabel::setText(QString text)
+{
+    label->setText(text);
+}
+
+void MyLabel::hide()
+{
+    label->hide();
+}
+
+void MyLabel::show()
+{
+    label->show();
+}
+
+void MyLabel::setPos(int x,int y)
+{
+    label->setGeometry(x,y,40,55);
+}
diff --git a/mylabel.h b/mylabel.h
new file mode 100644
index 0000000..59e5e36
--- /dev/null
+++ b/mylabel.h
@@ -0,0 +1,27 @@
+#ifndef MYLABEL_H
+#define MYLABEL_H
+
+#include <QLabel>
+#include <QString>
+#include <QMainWindow>
+#include <QFont>
+#include <QFrame>
+
+class MyLabel
+{
+public:
+    MyLabel(QMainWindow *parent);
+    MyLabel(QMainWindow *parent,QString text);
+    ~MyLabel();
+    void setText(QString text);
+    void setGeometry(int ax,int ay,int aw,int ah);
+    void hide();
+    void show();
+    void setPos(int x,int y);
+private:
+    QLabel *label;
+
+
+};
+
+#endif // MYLABEL_H