Fix the login password error is not prompted

Library/src/main/java/com/cfive/classroom/library/net/util/ReceiveListener.java

@@ -1,7 +1,5 @@
 package com.cfive.classroom.library.net.util;
 
-import com.cfive.classroom.library.net.util.MessageObject;
-
 public interface ReceiveListener {
     void onReceive(MessageObject messageObject);
 }

Student/src/main/java/com/cfive/classroom/student/MainWindow.java

@@ -33,12 +33,7 @@ public class MainWindow{
             @Override
             public void keyPressed(KeyEvent e) {
                 if(e.getKeyCode()==KeyEvent.VK_ENTER){
-                    if(check()){
-                        Center center = new Center(stuNoText.getText());
-                        center.start();
-                        frame.dispose();
-                    }
-
+                    login.doClick();
                 }
             }
             @Override
@@ -68,7 +63,6 @@ public class MainWindow{
         String stuPassword = String.valueOf(passwordText.getPassword());
         String stuNo = String.valueOf(stuNoText.getText());
         LOGGER.info(Long.valueOf(stuNo));
-        LOGGER.info(stuPassword);
         //判断密码
         boolean checkPassword = false;
         try {

Teacher/src/main/java/com/cfive/classroom/teacher/SignIn.java

@@ -21,7 +21,7 @@ import java.util.List;
 
 public class SignIn {
     private static final SignIn sigIn = new SignIn();
-    private static final JFrame frame = new JFrame("教师端");;
+    private static final JFrame frame = new JFrame("教师端");
     private JPanel rootJPanel;
     private JButton login_Button;
     private JTextField workerNo_input;