diff --git a/.idea/misc.xml b/.idea/misc.xml
index 11bca97..0548357 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_10" default="false" project-jdk-name="10" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/documents/选题1.2.docx b/documents/选题1.2.docx
new file mode 100644
index 0000000..a1f0cc8
Binary files /dev/null and b/documents/选题1.2.docx differ
diff --git a/src/gdms/test.java b/src/gdms/test.java
deleted file mode 100644
index 615ee8d..0000000
--- a/src/gdms/test.java
+++ /dev/null
@@ -1,49 +0,0 @@
-package gdms;
-import core.user.Student;
-import core.user.User;
-import dao.DBManagement;
-import org.apache.tomcat.jdbc.pool.DataSource;
-
-import javax.naming.Context;
-import javax.naming.InitialContext;
-import javax.naming.NamingException;
-import java.lang.reflect.InvocationTargetException;
-import java.sql.Connection;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.sql.Statement;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-
-public class test {
-    public test(){
-        Connection con = null;
-        try{
-            con = DBManagement.getConnection();
-            Statement stmt = con.createStatement(); //创建Statement对象
-            System.out.print("成功连接到数据库！");
-            String sql = "select * from test";
-            ResultSet rs = stmt.executeQuery(sql);
-            rs.next();
-            System.out.println(rs.getString("name"));
-            rs.close();
-            stmt.close();
-            con.close();
-        }catch (Exception e){
-            e.printStackTrace();
-        }finally {
-            if(con!=null) {
-                try {
-                    con.close();
-                } catch (SQLException e) {
-                    e.printStackTrace();
-                }
-            }
-        }
-
-    }
-    public static void main(String argc[]) throws NamingException, SQLException {
-        new test();
-    }
-}