diff --git a/GDMS.iml b/GDMS.iml
index 0ccb429..4bde68d 100644
--- a/GDMS.iml
+++ b/GDMS.iml
@@ -20,7 +20,7 @@
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" scope="PROVIDED" name="Tomcat 8.5.37" level="application_server_libraries" />
-    <orderEntry type="module-library">
+    <orderEntry type="module-library" scope="PROVIDED">
       <library>
         <CLASSES>
           <root url="jar://C:/Program Files/Apache Software Foundation/Tomcat 8.5/lib/tomcat-jdbc.jar!/" />
@@ -29,5 +29,6 @@
         <SOURCES />
       </library>
     </orderEntry>
+    <orderEntry type="library" scope="PROVIDED" name="mariadb-java-client-2.3.0" level="project" />
   </component>
 </module>
\ No newline at end of file
diff --git a/deployment/deploy.txt b/deployment/deploy.txt
index d0952bc..4002c30 100644
--- a/deployment/deploy.txt
+++ b/deployment/deploy.txt
@@ -1,5 +1,4 @@
 0 windows home 1809
 1 java jdk10 默认路径
 2 tomcat8.5 默认路径
-3 mariaDB10.3 默认路径
-4
\ No newline at end of file
+3
\ No newline at end of file
diff --git a/src/core/process/Condition.java b/src/core/process/Condition.java
index 9365dbb..4d62665 100644
--- a/src/core/process/Condition.java
+++ b/src/core/process/Condition.java
@@ -4,10 +4,6 @@ import java.util.ArrayList;
 import java.util.List;
 
 public class Condition {
-    public List<Process> getProcesses() {
-        return processes;
-    }
-
     private List<Process> processes;
     public Process get(int index){
         return processes.get(index);
diff --git a/src/core/process/LastProcess.java b/src/core/process/LastProcess.java
index 4c48117..316e405 100644
--- a/src/core/process/LastProcess.java
+++ b/src/core/process/LastProcess.java
@@ -2,7 +2,7 @@ package core.process;
 
 public class LastProcess extends Process{
 
-    public LastProcess(String permission, String operationName, String processOptions, String info) throws Exception {
-        super(permission, operationName, processOptions, info);
+    public LastProcess(String info) {
+        super(info);
     }
 }
diff --git a/src/core/process/ProcessManagement.java b/src/core/process/ProcessManagement.java
index 7223a47..dbffd13 100644
--- a/src/core/process/ProcessManagement.java
+++ b/src/core/process/ProcessManagement.java
@@ -1,23 +1,23 @@
 package core.process;
 
 import java.io.File;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 
 public class ProcessManagement {
-    private List<TemporaryProcess> temporaryProcesses;
-    private Map<String, List<Process>> lastProcesses;
-    private List<AuxiliaryProcess> auxiliaryProcesses;
+    private List<AtomProcess> processes;
+    private Map<String,List<Process>> lastProcesses;
     public void setProcessesByJson(File file){
         //todo
     }
-    public Process getTemporaryProcess(int index){
-        return temporaryProcesses.get(index);
+    public Process getAtomProcess(int index){
+        return processes.get(index);
     }
     public Condition getCondition(String userType, List<Integer> index){
-        Condition condition = new Condition(this.lastProcesses.get(userType));
+        Condition condition = new Condition(lastProcesses.get(userType));
         for(int i:index){
-            condition.add(getTemporaryProcess(i));
+            condition.add(getAtomProcess(i));
         }
         return condition;
     }
diff --git a/src/core/user/User.java b/src/core/user/User.java
index 8048293..0f81d10 100644
--- a/src/core/user/User.java
+++ b/src/core/user/User.java
@@ -11,15 +11,6 @@ public abstract class User implements AccountManageable, ProcessConfigurable{
     private String id;
     private String password;
     private List<String> permissions = null;
-
-    public Condition getCondition() {
-        return condition;
-    }
-
-    public void setCondition(Condition condition) {
-        this.condition = condition;
-    }
-
     private Condition condition;
     public void addPermission(String permission){
         if(!permissions.contains(permission))
diff --git a/src/dao/DBManagement.java b/src/dao/DBManagement.java
index 685c654..e597616 100644
--- a/src/dao/DBManagement.java
+++ b/src/dao/DBManagement.java
@@ -1,8 +1,11 @@
 package dao;
 
-import java.sql.*;
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.Properties;
 
-import error.GExcptSQL;
 import org.apache.tomcat.jdbc.pool.DataSource;
 import org.apache.tomcat.jdbc.pool.PoolProperties;
 
@@ -16,24 +19,20 @@ public class DBManagement {
 
     public static DataSource dataSource = new DataSource();
 
-    private static boolean ifInit = false;
-
-    public static void init(){
+    public void init(){
         PoolProperties poolProperties = new PoolProperties();
         poolProperties.setUrl(url);
         poolProperties.setDriverClassName(driverClassName);
         poolProperties.setUsername(username);
         poolProperties.setPassword(password);
         dataSource.setPoolProperties(poolProperties);
+    }
+    public static Connection getConnection(){
         try {
             Class.forName(driverClassName);
         } catch (ClassNotFoundException e) {
             e.printStackTrace();
         }
-        ifInit = true;
-    }
-    public static Connection getConnection(){
-        if(!ifInit) return null;
         try {
             return DriverManager.getConnection(url,username,password);
         } catch (SQLException e) {
@@ -41,45 +40,4 @@ public class DBManagement {
         }
         return null;
     }
-
-    public static ResultSet query(String sql) throws Exception {
-        if(!ifInit) return null;
-        ResultSet rs = null;
-        Connection con = null;
-        try{
-            con = DBManagement.getConnection();
-            Statement stmt = con.createStatement();
-            rs = stmt.executeQuery(sql);
-        } catch (SQLException e) {
-            throw new GExcptSQL("Connect Failure");
-        }finally {
-            if(con!=null) {
-                try {
-                    con.close();
-                } catch (SQLException e) {
-                    throw new GExcptSQL("Connection Close Failure");
-                }
-            }
-        }
-        return rs;
-    }
-    public static void update(String sql) throws GExcptSQL {
-        if(!ifInit) return;
-        Connection con = null;
-        try{
-            con = DBManagement.getConnection();
-            Statement stmt = con.createStatement();
-            stmt.executeUpdate(sql);
-        } catch (SQLException e) {
-            throw new GExcptSQL("Connect Failure");
-        }finally {
-            if(con!=null) {
-                try {
-                    con.close();
-                } catch (SQLException e) {
-                    throw new GExcptSQL("Connection Close Failure");
-            }
-            }
-        }
-    }
 }
diff --git a/src/init/Init.java b/src/init/Init.java
index 3d42bad..dfc60d4 100644
--- a/src/init/Init.java
+++ b/src/init/Init.java
@@ -13,7 +13,7 @@ import java.io.IOException;
 @WebServlet(name = "Init")
 public class Init extends HttpServlet {
     public void init(){
-        DBManagement.init();
+        new DBManagement().init();
         new test();
     }
     protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
diff --git a/web/WEB-INF/web.xml b/web/WEB-INF/web.xml
index 37a5f89..3d93697 100644
--- a/web/WEB-INF/web.xml
+++ b/web/WEB-INF/web.xml
@@ -12,16 +12,4 @@
         <servlet-name>Init</servlet-name>
         <url-pattern>/init</url-pattern>
     </servlet-mapping>
-    <servlet-mapping>
-        <servlet-name>default</servlet-name>
-        <url-pattern>*.jpg</url-pattern>
-    </servlet-mapping>
-    <servlet-mapping>
-        <servlet-name>default</servlet-name>
-        <url-pattern>*.css</url-pattern>
-    </servlet-mapping>
-    <servlet-mapping>
-        <servlet-name>default</servlet-name>
-        <url-pattern>*.js</url-pattern>
-    </servlet-mapping>
 </web-app>
\ No newline at end of file