diff --git a/src/main/java/cc/wdcy/domain/shared/BeanProvider.java b/src/main/java/cc/wdcy/domain/shared/BeanProvider.java
deleted file mode 100644
index 2f9dff3..0000000
--- a/src/main/java/cc/wdcy/domain/shared/BeanProvider.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright (c) 2013 Honyee Industry Group Co., Ltd
- * www.honyee.biz
- * All rights reserved.
- *
- * This software is the confidential and proprietary information of
- * Honyee Industry Group Co., Ltd ("Confidential Information").
- * You shall not disclose such Confidential Information and shall use
- * it only in accordance with the terms of the license agreement you
- * entered into with Honyee Industry Group Co., Ltd.
- */
-package cc.wdcy.domain.shared;
-
-import org.springframework.context.ApplicationContext;
-
-/**
- * @author Shengzhao Li
- */
-public abstract class BeanProvider {
-
-    private static ApplicationContext applicationContext;
-
-
-    public static void initialize(ApplicationContext applicationContext) {
-        BeanProvider.applicationContext = applicationContext;
-    }
-
-    /**
-     * Get Bean by clazz.
-     *
-     * @param clazz Class
-     * @param <T>   class type
-     * @return Bean instance
-     */
-    public static <T> T getBean(Class<T> clazz) {
-        return applicationContext.getBean(clazz);
-    }
-
-    @SuppressWarnings("unchecked")
-    public static <T> T getBean(String beanId) {
-        return (T) applicationContext.getBean(beanId);
-    }
-
-}
\ No newline at end of file
diff --git a/src/main/java/cc/wdcy/domain/shared/paginated/DefaultPaginated.java b/src/main/java/cc/wdcy/domain/shared/paginated/DefaultPaginated.java
deleted file mode 100644
index 5f26f5e..0000000
--- a/src/main/java/cc/wdcy/domain/shared/paginated/DefaultPaginated.java
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * Copyright (c) 2013 Honyee Industry Group Co., Ltd
- * www.honyee.biz
- * All rights reserved.
- *
- * This software is the confidential and proprietary information of
- * Honyee Industry Group Co., Ltd ("Confidential Information").
- * You shall not disclose such Confidential Information and shall use
- * it only in accordance with the terms of the license agreement you
- * entered into with Honyee Industry Group Co., Ltd.
- */
-package cc.wdcy.domain.shared.paginated;
-
-import cc.wdcy.domain.shared.security.SecurityUtils;
-import org.displaytag.pagination.PaginatedList;
-import org.displaytag.properties.SortOrderEnum;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-/**
- * @author Shengzhao Li
- */
-public class DefaultPaginated<T> implements Paginated<T>, PaginatedList {
-
-    public static final int DEFAULT_PER_PAGE_SIZE = 20;
-
-    protected List<T> list = new ArrayList<T>();
-    protected int perPageSize;
-    protected int totalSize = 0;
-    protected int pageNumber = 1;
-
-    protected String sortName;
-    protected PaginatedSort sort;
-
-    protected String sortCriterion;
-    private SortOrderEnum sortOrderEnum;
-    private String searchId;
-
-
-    public DefaultPaginated() {
-        this(DEFAULT_PER_PAGE_SIZE);
-    }
-
-    public DefaultPaginated(int perPageSize) {
-        this.perPageSize = perPageSize;
-    }
-
-    @Override
-    public List<T> getList() {
-        return list;
-    }
-
-    public Map<String, Object> defaultQueryMap() {
-        Map<String, Object> map = new HashMap<>();
-        map.put("user", SecurityUtils.currentUser());
-        map.put("perPageSize", getPerPageSize());
-        map.put("startIndex", getStartIndex());
-        return map;
-    }
-
-    public int getTotalPages() {
-        if (totalSize % perPageSize == 0) {
-            return (totalSize / perPageSize);
-        } else {
-            return (totalSize / perPageSize) + 1;
-        }
-    }
-
-    @Override
-    public int getPageNumber() {
-        return pageNumber;
-    }
-
-    @Override
-    public int getObjectsPerPage() {
-        return perPageSize;
-    }
-
-    @Override
-    public int getFullListSize() {
-        return totalSize;
-    }
-
-    @Override
-    public String getSortCriterion() {
-        return sortCriterion;
-    }
-
-    public void setSortCriterion(String sortCriterion) {
-        this.sortCriterion = sortCriterion;
-    }
-
-    @Override
-    public SortOrderEnum getSortDirection() {
-        return sortOrderEnum;
-    }
-
-    @Override
-    public String getSearchId() {
-        return searchId;
-    }
-
-    @Override
-    public int getPerPageSize() {
-        return perPageSize;
-    }
-
-    @Override
-    public int getTotalSize() {
-        return totalSize;
-    }
-
-    @Override
-    public String getSortName() {
-        return sortName;
-    }
-
-    @Override
-    public PaginatedSort getSort() {
-        return sort;
-    }
-
-    public int getStartIndex() {
-        return (getPageNumber() - 1) * getPerPageSize();
-    }
-
-    @SuppressWarnings("unchecked")
-    public <K extends Paginated> K load(PaginatedLoader<T> paginatedLoader) {
-        if (this.totalSize == 0) {
-            this.totalSize = paginatedLoader.loadTotalSize();
-        }
-        this.list = paginatedLoader.loadList();
-        afterLoad();
-        return (K) this;
-    }
-
-    public void afterLoad() {
-        // Callback after load data.
-    }
-
-    public void setPerPageSize(int perPageSize) {
-        this.perPageSize = perPageSize;
-    }
-
-    public void setTotalSize(int totalSize) {
-        this.totalSize = totalSize;
-    }
-
-    public void setPageNumber(int pageNumber) {
-        this.pageNumber = pageNumber;
-    }
-
-    public void setSortName(String sortName) {
-        this.sortName = sortName;
-    }
-
-    public void setSort(PaginatedSort sort) {
-        this.sort = sort;
-    }
-
-    public boolean isHasNext() {
-        return (getStartIndex() + this.perPageSize < totalSize);
-    }
-
-    public boolean isHasPrevious() {
-        return getStartIndex() != 0;
-    }
-
-    public void setSortOrderEnum(SortOrderEnum sortOrderEnum) {
-        this.sortOrderEnum = sortOrderEnum;
-    }
-
-    public void setSearchId(String searchId) {
-        this.searchId = searchId;
-    }
-}
\ No newline at end of file
diff --git a/src/main/java/cc/wdcy/domain/shared/paginated/Paginated.java b/src/main/java/cc/wdcy/domain/shared/paginated/Paginated.java
deleted file mode 100644
index 7b15165..0000000
--- a/src/main/java/cc/wdcy/domain/shared/paginated/Paginated.java
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright (c) 2013 Honyee Industry Group Co., Ltd
- * www.honyee.biz
- * All rights reserved.
- *
- * This software is the confidential and proprietary information of
- * Honyee Industry Group Co., Ltd ("Confidential Information").
- * You shall not disclose such Confidential Information and shall use
- * it only in accordance with the terms of the license agreement you
- * entered into with Honyee Industry Group Co., Ltd.
- */
-package cc.wdcy.domain.shared.paginated;
-
-import java.util.List;
-
-/**
- * @author Shengzhao Li
- */
-
-public interface Paginated<T> {
-
-    List<T> getList();
-
-    int getPageNumber();
-
-    int getPerPageSize();
-
-    int getTotalSize();
-
-    String getSortName();
-
-    PaginatedSort getSort();
-
-    int getTotalPages();
-}
\ No newline at end of file
diff --git a/src/main/java/cc/wdcy/domain/shared/paginated/PaginatedLoader.java b/src/main/java/cc/wdcy/domain/shared/paginated/PaginatedLoader.java
deleted file mode 100644
index 2a452a4..0000000
--- a/src/main/java/cc/wdcy/domain/shared/paginated/PaginatedLoader.java
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (c) 2013 Honyee Industry Group Co., Ltd
- * www.honyee.biz
- * All rights reserved.
- *
- * This software is the confidential and proprietary information of
- * Honyee Industry Group Co., Ltd ("Confidential Information").
- * You shall not disclose such Confidential Information and shall use
- * it only in accordance with the terms of the license agreement you
- * entered into with Honyee Industry Group Co., Ltd.
- */
-package cc.wdcy.domain.shared.paginated;
-
-import java.util.List;
-
-/**
- * @author Shengzhao Li
- */
-
-public interface PaginatedLoader<T> {
-
-    List<T> loadList();
-
-    int loadTotalSize();
-
-}
\ No newline at end of file
diff --git a/src/main/java/cc/wdcy/domain/shared/paginated/PaginatedSort.java b/src/main/java/cc/wdcy/domain/shared/paginated/PaginatedSort.java
deleted file mode 100644
index 13c4867..0000000
--- a/src/main/java/cc/wdcy/domain/shared/paginated/PaginatedSort.java
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (c) 2013 Honyee Industry Group Co., Ltd
- * www.honyee.biz
- * All rights reserved.
- *
- * This software is the confidential and proprietary information of
- * Honyee Industry Group Co., Ltd ("Confidential Information").
- * You shall not disclose such Confidential Information and shall use
- * it only in accordance with the terms of the license agreement you
- * entered into with Honyee Industry Group Co., Ltd.
- */
-package cc.wdcy.domain.shared.paginated;
-
-/**
- * @author Shengzhao Li
- */
-public enum PaginatedSort {
-    ASC("asc"),
-    DESC("desc");
-
-    private String label;
-
-    PaginatedSort(String label) {
-        this.label = label;
-    }
-
-    public String getLabel() {
-        return label;
-    }
-}
\ No newline at end of file
diff --git a/src/main/java/cc/wdcy/domain/shared/security/SecurityHolder.java b/src/main/java/cc/wdcy/domain/shared/security/SecurityHolder.java
deleted file mode 100644
index c4127c3..0000000
--- a/src/main/java/cc/wdcy/domain/shared/security/SecurityHolder.java
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Copyright (c) 2013 Honyee Industry Group Co., Ltd
- * www.honyee.biz
- * All rights reserved.
- *
- * This software is the confidential and proprietary information of
- * Honyee Industry Group Co., Ltd ("Confidential Information").
- * You shall not disclose such Confidential Information and shall use
- * it only in accordance with the terms of the license agreement you
- * entered into with Honyee Industry Group Co., Ltd.
- */
-package cc.wdcy.domain.shared.security;
-
-/**
- * @author Shengzhao Li
- */
-
-public interface SecurityHolder {
-
-    WdcyUserDetails userDetails();
-
-}
\ No newline at end of file
diff --git a/src/main/java/cc/wdcy/domain/shared/security/SecurityUtils.java b/src/main/java/cc/wdcy/domain/shared/security/SecurityUtils.java
deleted file mode 100644
index c96dc6e..0000000
--- a/src/main/java/cc/wdcy/domain/shared/security/SecurityUtils.java
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright (c) 2013 Honyee Industry Group Co., Ltd
- * www.honyee.biz
- * All rights reserved.
- *
- * This software is the confidential and proprietary information of
- * Honyee Industry Group Co., Ltd ("Confidential Information").
- * You shall not disclose such Confidential Information and shall use
- * it only in accordance with the terms of the license agreement you
- * entered into with Honyee Industry Group Co., Ltd.
- */
-package cc.wdcy.domain.shared.security;
-
-import cc.wdcy.domain.user.User;
-
-/**
- * @author Shengzhao Li
- */
-public class SecurityUtils {
-
-    private static SecurityHolder securityHolder;
-
-    public void setSecurityHolder(SecurityHolder securityHolder) {
-        SecurityUtils.securityHolder = securityHolder;
-    }
-
-    public static User currentUser() {
-        WdcyUserDetails userDetails = securityHolder.userDetails();
-        return (userDetails != null ? userDetails.user() : null);
-    }
-}
\ No newline at end of file
diff --git a/src/main/java/cc/wdcy/domain/user/User.java b/src/main/java/cc/wdcy/domain/user/User.java
index d5d7ac9..378deba 100644
--- a/src/main/java/cc/wdcy/domain/user/User.java
+++ b/src/main/java/cc/wdcy/domain/user/User.java
@@ -12,7 +12,6 @@
 package cc.wdcy.domain.user;
 
 import cc.wdcy.domain.AbstractDomain;
-import cc.wdcy.domain.shared.BeanProvider;
 
 import java.util.Date;
 
@@ -21,7 +20,6 @@ import java.util.Date;
  */
 public class User extends AbstractDomain {
 
-    private transient UserRepository userRepository = BeanProvider.getBean(UserRepository.class);
 
     private String username;
     private String password;
@@ -86,14 +84,6 @@ public class User extends AbstractDomain {
         return this;
     }
 
-    @Override
-    public void saveOrUpdate() {
-        if (isNewly()) {
-            userRepository.saveUser(this);
-        } else {
-            userRepository.updateUser(this);
-        }
-    }
 
     public User username(String username) {
         this.username = username;
diff --git a/src/main/java/cc/wdcy/web/context/BeanContextLoaderListener.java b/src/main/java/cc/wdcy/web/context/BeanContextLoaderListener.java
deleted file mode 100644
index 4f3c1d0..0000000
--- a/src/main/java/cc/wdcy/web/context/BeanContextLoaderListener.java
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright (c) 2013 Honyee Industry Group Co., Ltd
- * www.honyee.biz
- * All rights reserved.
- *
- * This software is the confidential and proprietary information of
- * Honyee Industry Group Co., Ltd ("Confidential Information").
- * You shall not disclose such Confidential Information and shall use
- * it only in accordance with the terms of the license agreement you
- * entered into with Honyee Industry Group Co., Ltd.
- */
-package cc.wdcy.web.context;
-
-import cc.wdcy.domain.shared.BeanProvider;
-import org.springframework.web.context.ContextLoaderListener;
-import org.springframework.web.context.WebApplicationContext;
-import org.springframework.web.context.support.WebApplicationContextUtils;
-
-import javax.servlet.ServletContextEvent;
-
-/**
- * @author Shengzhao Li
- */
-public class BeanContextLoaderListener extends ContextLoaderListener {
-
-
-    @Override
-    public void contextInitialized(ServletContextEvent event) {
-        super.contextInitialized(event);
-        WebApplicationContext applicationContext = WebApplicationContextUtils.getRequiredWebApplicationContext(event.getServletContext());
-        BeanProvider.initialize(applicationContext);
-    }
-}
\ No newline at end of file
diff --git a/src/main/java/cc/wdcy/web/context/SpringSecurityHolder.java b/src/main/java/cc/wdcy/web/context/SpringSecurityHolder.java
deleted file mode 100644
index fa47f6b..0000000
--- a/src/main/java/cc/wdcy/web/context/SpringSecurityHolder.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright (c) 2013 Honyee Industry Group Co., Ltd
- * www.honyee.biz
- * All rights reserved.
- *
- * This software is the confidential and proprietary information of
- * Honyee Industry Group Co., Ltd ("Confidential Information").
- * You shall not disclose such Confidential Information and shall use
- * it only in accordance with the terms of the license agreement you
- * entered into with Honyee Industry Group Co., Ltd.
- */
-package cc.wdcy.web.context;
-
-import cc.wdcy.domain.shared.security.WdcyUserDetails;
-import cc.wdcy.domain.shared.security.SecurityHolder;
-import org.springframework.security.core.Authentication;
-import org.springframework.security.core.context.SecurityContextHolder;
-
-/**
- * @author Shengzhao Li
- */
-public class SpringSecurityHolder implements SecurityHolder {
-
-    @Override
-    public WdcyUserDetails userDetails() {
-        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
-        if (authentication == null) {
-            return null;
-        }
-        Object principal = authentication.getPrincipal();
-        if (principal instanceof WdcyUserDetails) {
-            return (WdcyUserDetails) principal;
-        }
-        return null;
-    }
-}
\ No newline at end of file
diff --git a/src/main/java/cc/wdcy/web/controller/UserController.java b/src/main/java/cc/wdcy/web/controller/UserController.java
index 706dc07..8966e42 100644
--- a/src/main/java/cc/wdcy/web/controller/UserController.java
+++ b/src/main/java/cc/wdcy/web/controller/UserController.java
@@ -1,14 +1,3 @@
-/*
- * Copyright (c) 2013 Honyee Industry Group Co., Ltd
- * www.honyee.biz
- * All rights reserved.
- *
- * This software is the confidential and proprietary information of
- * Honyee Industry Group Co., Ltd ("Confidential Information").
- * You shall not disclose such Confidential Information and shall use
- * it only in accordance with the terms of the license agreement you
- * entered into with Honyee Industry Group Co., Ltd.
- */
 package cc.wdcy.web.controller;
 
 import cc.wdcy.service.UserService;
diff --git a/src/main/java/cc/wdcy/web/controller/mobile/MobileController.java b/src/main/java/cc/wdcy/web/controller/mobile/MobileController.java
index 66e3442..118ec18 100644
--- a/src/main/java/cc/wdcy/web/controller/mobile/MobileController.java
+++ b/src/main/java/cc/wdcy/web/controller/mobile/MobileController.java
@@ -1,14 +1,3 @@
-/*
- * Copyright (c) 2013 Honyee Industry Group Co., Ltd
- * www.honyee.biz
- * All rights reserved.
- *
- * This software is the confidential and proprietary information of
- * Honyee Industry Group Co., Ltd ("Confidential Information").
- * You shall not disclose such Confidential Information and shall use
- * it only in accordance with the terms of the license agreement you
- * entered into with Honyee Industry Group Co., Ltd.
- */
 package cc.wdcy.web.controller.mobile;
 
 import org.springframework.stereotype.Controller;
diff --git a/src/main/java/cc/wdcy/web/controller/unity/UnityController.java b/src/main/java/cc/wdcy/web/controller/unity/UnityController.java
index e9bea07..e536fbb 100644
--- a/src/main/java/cc/wdcy/web/controller/unity/UnityController.java
+++ b/src/main/java/cc/wdcy/web/controller/unity/UnityController.java
@@ -1,14 +1,3 @@
-/*
- * Copyright (c) 2013 Honyee Industry Group Co., Ltd
- * www.honyee.biz
- * All rights reserved.
- *
- * This software is the confidential and proprietary information of
- * Honyee Industry Group Co., Ltd ("Confidential Information").
- * You shall not disclose such Confidential Information and shall use
- * it only in accordance with the terms of the license agreement you
- * entered into with Honyee Industry Group Co., Ltd.
- */
 package cc.wdcy.web.controller.unity;
 
 import org.springframework.stereotype.Controller;
diff --git a/src/main/java/cc/wdcy/web/oauth/OauthUserApprovalHandler.java b/src/main/java/cc/wdcy/web/oauth/OauthUserApprovalHandler.java
index 1ba17d5..f77e567 100644
--- a/src/main/java/cc/wdcy/web/oauth/OauthUserApprovalHandler.java
+++ b/src/main/java/cc/wdcy/web/oauth/OauthUserApprovalHandler.java
@@ -1,15 +1,3 @@
-/*
- * Copyright (c) 2013 Honyee Industry Group Co., Ltd
- * www.honyee.biz
- * All rights reserved.
- *
- * This software is the confidential and proprietary information of
- * Honyee Industry Group Co., Ltd ("Confidential Information").
- * You shall not disclose such Confidential Information and shall use
- * it only in accordance with the terms of the license agreement you
- * entered into with Honyee Industry Group Co., Ltd.
- */
-
 package cc.wdcy.web.oauth;
 
 import cc.wdcy.domain.oauth.OauthClientDetails;
diff --git a/src/main/resources/spring/security.xml b/src/main/resources/spring/security.xml
index 499322e..cb3a3de 100644
--- a/src/main/resources/spring/security.xml
+++ b/src/main/resources/spring/security.xml
@@ -171,11 +171,5 @@
     Oauth server end.............
     -->
 
-    <!--security holder-->
-    <beans:bean id="springSecurityHolder" class="cc.wdcy.web.context.SpringSecurityHolder"/>
-
-    <beans:bean id="securityHolderFactory" class="cc.wdcy.domain.shared.security.SecurityUtils">
-        <beans:property name="securityHolder" ref="springSecurityHolder"/>
-    </beans:bean>
 
 </beans:beans>
\ No newline at end of file
diff --git a/src/main/webapp/WEB-INF/web.xml b/src/main/webapp/WEB-INF/web.xml
index 5f55f00..a089ccb 100644
--- a/src/main/webapp/WEB-INF/web.xml
+++ b/src/main/webapp/WEB-INF/web.xml
@@ -72,7 +72,7 @@
 
     <!-- Spring context listener -->
     <listener>
-        <listener-class>cc.wdcy.web.context.BeanContextLoaderListener</listener-class>
+        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
     </listener>
 
     <!--hy mvc-->
diff --git a/src/test/java/cc/wdcy/ContextTest.java b/src/test/java/cc/wdcy/ContextTest.java
index 3eaa667..b9ea46d 100644
--- a/src/test/java/cc/wdcy/ContextTest.java
+++ b/src/test/java/cc/wdcy/ContextTest.java
@@ -1,9 +1,5 @@
 package cc.wdcy;
 
-import cc.wdcy.domain.shared.BeanProvider;
-import cc.wdcy.domain.shared.security.WdcyUserDetails;
-import cc.wdcy.domain.shared.security.SecurityUtils;
-import cc.wdcy.web.context.SpringSecurityHolder;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.testng.AbstractTransactionalTestNGSpringContextTests;
 import org.springframework.test.context.transaction.BeforeTransaction;
@@ -16,13 +12,6 @@ public abstract class ContextTest extends AbstractTransactionalTestNGSpringConte
 
     @BeforeTransaction
     public void beforeTest() {
-        BeanProvider.initialize(applicationContext);
-        SecurityUtils securityUtils = new SecurityUtils();
-        securityUtils.setSecurityHolder(new SpringSecurityHolder() {
-            @Override
-            public WdcyUserDetails userDetails() {
-                return null;
-            }
-        });
+
     }
 }
\ No newline at end of file