diff --git a/deployment/deploy.txt b/deployment/deploy.txt
index 4002c30..d0952bc 100644
--- a/deployment/deploy.txt
+++ b/deployment/deploy.txt
@@ -1,4 +1,5 @@
 0 windows home 1809
 1 java jdk10 默认路径
 2 tomcat8.5 默认路径
-3
\ No newline at end of file
+3 mariaDB10.3 默认路径
+4
\ No newline at end of file
diff --git a/src/core/operation/Operation.java b/src/core/operation/Operation.java
index 195dbfa..74984bc 100644
--- a/src/core/operation/Operation.java
+++ b/src/core/operation/Operation.java
@@ -2,7 +2,6 @@ package core.operation;
 
 
 import core.user.User;
-import error.GExcptSQL;
 import gdms.Mode;
 
 import java.util.Map;
@@ -38,6 +37,6 @@ public abstract class Operation {
         }
         this.options.put(key,value);
     }
-    public abstract void execute(User subject) throws GExcptSQL;
+    public abstract void execute(User subject);
 
 }
diff --git a/src/core/operation/Select.java b/src/core/operation/Select.java
index 3ea81dd..838308a 100644
--- a/src/core/operation/Select.java
+++ b/src/core/operation/Select.java
@@ -2,7 +2,6 @@ package core.operation;
 
 import core.user.User;
 import dao.DBManagement;
-import error.GExcptSQL;
 
 import java.util.Map;
 
@@ -11,7 +10,7 @@ public class Select extends Operation {
     private Map<String, Object> options;
     private User subject;
     @Override
-    public void execute(User subject) throws GExcptSQL {
+    public void execute(User subject) {
         this.setSubject(subject);
         DBManagement.update("update stu ");
     }
diff --git a/src/core/process/AtomProcess.java b/src/core/process/AtomProcess.java
new file mode 100644
index 0000000..777dfe1
--- /dev/null
+++ b/src/core/process/AtomProcess.java
@@ -0,0 +1,28 @@
+package core.process;
+
+import core.operation.Operation;
+import core.user.User;
+
+
+public class AtomProcess extends Process {
+    private String permission;
+    private Operation operation;
+    private String ButtonName;
+    private String info;
+    private String processOptions;
+
+    public AtomProcess(String permission, String operationName, String processOptions, String info) throws Exception {
+        super(info);
+        this.permission = permission;
+        this.operation = (Operation) core.utils.GetObjectByName.getOperationByName(operationName);
+        this.info = info;
+        this.processOptions = processOptions;
+        operation.setProcessOperations(processOptions);
+    }
+    public void setUserOperations(String key,Object value){
+        this.operation.addUserOperations(key,value);
+    }
+    public void execute(User subject){
+        this.operation.execute(subject);
+    }
+}
diff --git a/src/dao/DBManagement.java b/src/dao/DBManagement.java
index d8718a4..685c654 100644
--- a/src/dao/DBManagement.java
+++ b/src/dao/DBManagement.java
@@ -2,6 +2,7 @@ package dao;
 
 import java.sql.*;
 
+import error.GExcptSQL;
 import org.apache.tomcat.jdbc.pool.DataSource;
 import org.apache.tomcat.jdbc.pool.PoolProperties;
 
@@ -41,7 +42,7 @@ public class DBManagement {
         return null;
     }
 
-    public static ResultSet query(String sql) {
+    public static ResultSet query(String sql) throws Exception {
         if(!ifInit) return null;
         ResultSet rs = null;
         Connection con = null;
@@ -50,19 +51,19 @@ public class DBManagement {
             Statement stmt = con.createStatement();
             rs = stmt.executeQuery(sql);
         } catch (SQLException e) {
-            e.printStackTrace();
+            throw new GExcptSQL("Connect Failure");
         }finally {
             if(con!=null) {
                 try {
                     con.close();
                 } catch (SQLException e) {
-                    e.printStackTrace();
+                    throw new GExcptSQL("Connection Close Failure");
                 }
             }
         }
         return rs;
     }
-    public static void update(String sql) {
+    public static void update(String sql) throws GExcptSQL {
         if(!ifInit) return;
         Connection con = null;
         try{
@@ -70,14 +71,14 @@ public class DBManagement {
             Statement stmt = con.createStatement();
             stmt.executeUpdate(sql);
         } catch (SQLException e) {
-            e.printStackTrace();
+            throw new GExcptSQL("Connect Failure");
         }finally {
             if(con!=null) {
                 try {
                     con.close();
                 } catch (SQLException e) {
-                    e.printStackTrace();
-                }
+                    throw new GExcptSQL("Connection Close Failure");
+            }
             }
         }
     }
diff --git a/web/holle.jsp b/web/holle.jsp
new file mode 100644
index 0000000..52009c6
--- /dev/null
+++ b/web/holle.jsp
@@ -0,0 +1,17 @@
+<%--
+  Created by IntelliJ IDEA.
+  User: zhai_
+  Date: 2019/1/9
+  Time: 10:10
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Title</title>
+    <script type="text/javascript" src="test2.js"></script>
+</head>
+<body>
+
+</body>
+</html>