diff --git a/projects/stage-0/user-platform/user-web/src/main/java/org/geektimes/projects/user/repository/DatabaseUserRepository.java b/projects/stage-0/user-platform/user-web/src/main/java/org/geektimes/projects/user/repository/DatabaseUserRepository.java
index 500724321..d5ffe63b7 100644
--- a/projects/stage-0/user-platform/user-web/src/main/java/org/geektimes/projects/user/repository/DatabaseUserRepository.java
+++ b/projects/stage-0/user-platform/user-web/src/main/java/org/geektimes/projects/user/repository/DatabaseUserRepository.java
@@ -43,7 +43,7 @@ private Connection getConnection() {
 
     @Override
     public boolean save(User user) {
-        return false;
+        return executeQuery(INSERT_USER_DML_SQL,resultSet -> {return true;}, COMMON_EXCEPTION_HANDLER);
     }
 
     @Override
diff --git a/projects/stage-0/user-platform/user-web/src/main/java/org/geektimes/projects/user/service/UserServiceImpl.java b/projects/stage-0/user-platform/user-web/src/main/java/org/geektimes/projects/user/service/UserServiceImpl.java
new file mode 100644
index 000000000..2b9b59c52
--- /dev/null
+++ b/projects/stage-0/user-platform/user-web/src/main/java/org/geektimes/projects/user/service/UserServiceImpl.java
@@ -0,0 +1,48 @@
+package org.geektimes.projects.user.service;
+
+import org.geektimes.projects.user.domain.User;
+import org.geektimes.projects.user.repository.DatabaseUserRepository;
+import org.geektimes.projects.user.repository.UserRepository;
+import org.geektimes.projects.user.sql.DBConnectionManager;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.util.Collection;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * @author zhimingxiao
+ * @since
+ */
+public class UserServiceImpl implements UserService{
+
+
+    private UserRepository userRepository = new DatabaseUserRepository(new DBConnectionManager());
+
+    @Override
+    public boolean register(User user) {
+        return userRepository.save(user);
+    }
+
+
+    @Override
+    public boolean deregister(User user) {
+        return false;
+    }
+
+    @Override
+    public boolean update(User user) {
+        return false;
+    }
+
+    @Override
+    public User queryUserById(Long id) {
+        return null;
+    }
+
+    @Override
+    public User queryUserByNameAndPassword(String name, String password) {
+        return null;
+    }
+}
diff --git a/projects/stage-0/user-platform/user-web/src/main/java/org/geektimes/projects/user/sql/DBConnectionManager.java b/projects/stage-0/user-platform/user-web/src/main/java/org/geektimes/projects/user/sql/DBConnectionManager.java
index 3b2b0e25c..0757c0960 100644
--- a/projects/stage-0/user-platform/user-web/src/main/java/org/geektimes/projects/user/sql/DBConnectionManager.java
+++ b/projects/stage-0/user-platform/user-web/src/main/java/org/geektimes/projects/user/sql/DBConnectionManager.java
@@ -2,6 +2,10 @@
 
 import org.geektimes.projects.user.domain.User;
 
+import javax.naming.Context;
+import javax.naming.InitialContext;
+import javax.naming.NamingException;
+import javax.sql.DataSource;
 import java.beans.BeanInfo;
 import java.beans.Introspector;
 import java.beans.PropertyDescriptor;
@@ -16,14 +20,29 @@ public class DBConnectionManager {
 
     private Connection connection;
 
+
+    // JNDI 获取数据源
+    private static DataSource dataSource;
+
     public void setConnection(Connection connection) {
         this.connection = connection;
     }
 
     public Connection getConnection() {
-        return this.connection;
+        String databaseURL = "jdbc:derby:/db/user-platform;create=true";
+        Connection connection = null;
+        try {
+            connection = DriverManager.getConnection(databaseURL);
+            this.connection = connection;
+            return this.connection;
+        } catch (SQLException throwables) {
+            throwables.printStackTrace();
+        }
+        return null;
+
     }
 
+
     public void releaseConnection() {
         if (this.connection != null) {
             try {
diff --git a/projects/stage-0/user-platform/user-web/src/main/java/org/geektimes/projects/user/web/controller/HelloWorldController.java b/projects/stage-0/user-platform/user-web/src/main/java/org/geektimes/projects/user/web/controller/HelloWorldController.java
index 2cf444985..b9aa4f0fb 100644
--- a/projects/stage-0/user-platform/user-web/src/main/java/org/geektimes/projects/user/web/controller/HelloWorldController.java
+++ b/projects/stage-0/user-platform/user-web/src/main/java/org/geektimes/projects/user/web/controller/HelloWorldController.java
@@ -15,7 +15,6 @@
 public class HelloWorldController implements PageController {
 
     @GET
-    @POST
     @Path("/world") // /hello/world -> HelloWorldController
     public String execute(HttpServletRequest request, HttpServletResponse response) throws Throwable {
         return "index.jsp";
diff --git a/projects/stage-0/user-platform/user-web/src/main/java/org/geektimes/projects/user/web/controller/UserController.java b/projects/stage-0/user-platform/user-web/src/main/java/org/geektimes/projects/user/web/controller/UserController.java
new file mode 100644
index 000000000..2a31acbff
--- /dev/null
+++ b/projects/stage-0/user-platform/user-web/src/main/java/org/geektimes/projects/user/web/controller/UserController.java
@@ -0,0 +1,45 @@
+package org.geektimes.projects.user.web.controller;
+
+import org.geektimes.projects.user.domain.User;
+import org.geektimes.projects.user.repository.DatabaseUserRepository;
+import org.geektimes.projects.user.service.UserService;
+import org.geektimes.projects.user.service.UserServiceImpl;
+import org.geektimes.web.mvc.controller.PageController;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.ws.rs.Path;
+import java.sql.Connection;
+
+/**
+ * @author zhimingxiao
+ * @since
+ */
+@Path("/user")
+public class UserController implements PageController {
+
+    private static final UserService userService;
+
+    static {
+        userService = new UserServiceImpl();
+    }
+
+
+
+    @Override
+    @Path("/register")
+    public String execute(HttpServletRequest request, HttpServletResponse response) throws Throwable {
+        String name = request.getParameter("name");
+
+        String phoneNumber = request.getParameter("phoneNumber");
+        String email = request.getParameter("email");
+        String password = request.getParameter("password");
+        User user = new User();
+        user.setName(name);
+        user.setPassword(password);
+        user.setPhoneNumber(phoneNumber);
+        user.setEmail(email);
+        userService.register(new User());
+        return "success.jsp";
+    }
+}
diff --git a/projects/stage-0/user-platform/user-web/src/main/resources/META-INF/services/org.geektimes.web.mvc.controller.Controller b/projects/stage-0/user-platform/user-web/src/main/resources/META-INF/services/org.geektimes.web.mvc.controller.Controller
index 609d9a29d..390733009 100644
--- a/projects/stage-0/user-platform/user-web/src/main/resources/META-INF/services/org.geektimes.web.mvc.controller.Controller
+++ b/projects/stage-0/user-platform/user-web/src/main/resources/META-INF/services/org.geektimes.web.mvc.controller.Controller
@@ -1 +1 @@
-org.geektimes.projects.user.web.controller.HelloWorldController
\ No newline at end of file
+org.geektimes.projects.user.web.controller.UserController
\ No newline at end of file
diff --git a/projects/stage-0/user-platform/user-web/src/main/webapp/WEB-INF/context.xml b/projects/stage-0/user-platform/user-web/src/main/webapp/WEB-INF/context.xml
index bcfac3d55..d5dca0b28 100644
--- a/projects/stage-0/user-platform/user-web/src/main/webapp/WEB-INF/context.xml
+++ b/projects/stage-0/user-platform/user-web/src/main/webapp/WEB-INF/context.xml
@@ -8,4 +8,5 @@
               driverClassName="org.apache.derby.jdbc.EmbeddedDriver"
               url="jdbc:derby:Databases/UserPlatformDB"/>
 
+
 </Context>
\ No newline at end of file
diff --git a/projects/stage-0/user-platform/user-web/src/main/webapp/WEB-INF/web.xml b/projects/stage-0/user-platform/user-web/src/main/webapp/WEB-INF/web.xml
index 0ada79e4f..ff9a8cc4d 100644
--- a/projects/stage-0/user-platform/user-web/src/main/webapp/WEB-INF/web.xml
+++ b/projects/stage-0/user-platform/user-web/src/main/webapp/WEB-INF/web.xml
@@ -85,11 +85,12 @@
         <welcome-file>/index.jsp</welcome-file>
     </welcome-file-list>
 
-<!--    <resource-ref>-->
-<!--        <description>DB Connection</description>-->
-<!--        <res-ref-name>jdbc/UserPlatformDB</res-ref-name>-->
-<!--        <res-type>javax.sql.DataSource</res-type>-->
-<!--        <res-auth>Container</res-auth>-->
-<!--    </resource-ref>-->
+    <resource-ref>
+        <description>DB Connection</description>
+        <res-ref-name>jdbc/UserPlatformDB</res-ref-name>
+        <res-type>javax.sql.DataSource</res-type>
+        <res-auth>Container</res-auth>
+    </resource-ref>
+
 
 </web-app>
\ No newline at end of file
diff --git a/projects/stage-0/user-platform/user-web/src/main/webapp/success.jsp b/projects/stage-0/user-platform/user-web/src/main/webapp/success.jsp
new file mode 100644
index 000000000..7f6fdedda
--- /dev/null
+++ b/projects/stage-0/user-platform/user-web/src/main/webapp/success.jsp
@@ -0,0 +1,11 @@
+<head>
+<jsp:directive.include
+	file="/WEB-INF/jsp/prelude/include-head-meta.jspf" />
+<title>My Home Page</title>
+</head>
+<body>
+	<div class="container-lg">
+		<!-- Content here -->
+		Hello,World 2021
+	</div>
+</body>
\ No newline at end of file