diff --git a/WebContent/admin/index.jsp b/WebContent/admin/index.jsp
index 5f3f2e1..e6499e6 100644
--- a/WebContent/admin/index.jsp
+++ b/WebContent/admin/index.jsp
@@ -34,7 +34,7 @@
           <dd id="updatePassword"><a href="javascript:;">修改密码</a></dd>
         </dl>
       </li>
-      <li class="layui-nav-item"><a href="./logOut">注销</a></li>
+      <li class="layui-nav-item"><a href="./logOut">退出</a></li>
     </ul>
   </div>
   
diff --git a/WebContent/manager/05returnSus.jsp b/WebContent/manager/05returnSus.jsp
index c87a7f0..a336d80 100644
--- a/WebContent/manager/05returnSus.jsp
+++ b/WebContent/manager/05returnSus.jsp
@@ -27,15 +27,15 @@
 					//String id = session.getAttribute("manager").toString();
 					int status=Integer.parseInt(rs2.getString("STATUS"));
 					if(status==0){
-						String sql = "update borrow_books set RETURN_DATE='" + date1 + "',ILLEGAL='" + ill + "',MANAGER_ID='" + managerid + "' where BOOK_ID="+ book;
+						String sql = "update borrow_books set RETURN_DATE='" + date1 + "',ILLEGAL='" + ill + "',MANAGER_ID='" + managerid + "' where manager_id is null and BOOK_ID="+ book;
 						
 						//out.println(sql);
 						try {
 							int i = ret.executeUpdate(sql);
 							
 							
-								String sql1 = "update borrow_books set RETURN_DATE='" + date1 + "',ILLEGAL='" + ill + "',MANAGER_ID='" + managerid + "' order by BORROW_DATE desc  limit 1 ";
-								int k = ret.executeUpdate(sql1);
+								//String sql1 = "update borrow_books set RETURN_DATE='" + date1 + "',ILLEGAL='" + ill + "',MANAGER_ID='" + managerid + "' order by BORROW_DATE desc  limit 1 ";
+								//int k = ret.executeUpdate(sql1);
 								
 										String sql3="update books set STATUS=1 where ID="+book;
 										ret.executeUpdate(sql3);
diff --git a/WebContent/WEB-INF/web.xml b/WebContent/web.xml
similarity index 100%
rename from WebContent/WEB-INF/web.xml
rename to WebContent/web.xml
diff --git a/build/classes/javabean/Base.class b/build/classes/javabean/Base.class
index 53ec998..82f1a14 100644
Binary files a/build/classes/javabean/Base.class and b/build/classes/javabean/Base.class differ
diff --git a/src/javabean/Base.java b/src/javabean/Base.java
index d815e50..ca85126 100644
--- a/src/javabean/Base.java
+++ b/src/javabean/Base.java
@@ -7,7 +7,7 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 
 public class Base {
-	private static String driver = "com.mysql.jdbc.Driver";
+	private static String driver = "com.mysql.cj.jdbc.Driver";
 	private static String url = "jdbc:mysql://localhost:3306/library?&useSSL=false&serverTimezone=UTC&userUnicode=true&characterEncoding=UTF-8";
 	private static String username = "root";
 	private static String password = "root";
diff --git a/src/javabean/JDBCBean.java b/src/javabean/JDBCBean.java
index c8147e3..bb20bb4 100644
--- a/src/javabean/JDBCBean.java
+++ b/src/javabean/JDBCBean.java
@@ -6,7 +6,7 @@ import java.sql.ResultSet;
 import java.sql.Statement;
 
 public class JDBCBean {
-	private static String driver = "com.mysql.jdbc.Driver";
+	private static String driver = "com.mysql.cj.jdbc.Driver";
 	private static String url = "jdbc:mysql://localhost:3306/library?&useSSL=false&serverTimezone=UTC&userUnicode=true&characterEncoding=UTF-8";
 	private static String username = "root";
 	private static String password = "root";