diff --git a/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/system/util/JeroDataAutorUtils.java b/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/system/util/JeroDataAutorUtils.java
index bdec01ca..2ab5f56f 100644
--- a/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/system/util/JeroDataAutorUtils.java
+++ b/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/system/util/JeroDataAutorUtils.java
@@ -14,28 +14,32 @@ import java.util.List;
  * @Description: 数据权限查询规则容器工具类
  * @Author: 张代浩
  * @Date: 2012-12-15 下午11:27:39
- * 
+ *
  */
 public class JeroDataAutorUtils {
-	
+
+	private JeroDataAutorUtils(){
+
+	}
+
 	public static final String MENU_DATA_AUTHOR_RULES = "MENU_DATA_AUTHOR_RULES";
-	
+
 	public static final String MENU_DATA_AUTHOR_RULE_SQL = "MENU_DATA_AUTHOR_RULE_SQL";
-	
+
 	public static final String SYS_USER_INFO = "SYS_USER_INFO";
 
 	/**
 	 * 往链接请求里面，传入数据查询条件
-	 * 
+	 *
 	 * @param request
 	 * @param dataRules
 	 */
 	public static synchronized void installDataSearchConditon(HttpServletRequest request, List<SysPermissionDataRuleModel> dataRules) {
 		@SuppressWarnings("unchecked")
-		List<SysPermissionDataRuleModel> list = (List<SysPermissionDataRuleModel>)loadDataSearchConditon();// 1.先从request获取MENU_DATA_AUTHOR_RULES，如果存则获取到LIST
+		List<SysPermissionDataRuleModel> list = loadDataSearchConditon();// 1.先从request获取MENU_DATA_AUTHOR_RULES，如果存则获取到LIST
 		if (list==null) {
 			// 2.如果不存在，则new一个list
-			list = new ArrayList<SysPermissionDataRuleModel>();
+			list = new ArrayList<>();
 		}
 		for (SysPermissionDataRuleModel tsDataRule : dataRules) {
 			list.add(tsDataRule);
@@ -45,18 +49,18 @@ public class JeroDataAutorUtils {
 
 	/**
 	 * 获取请求对应的数据权限规则
-	 * 
+	 *
 	 * @return
 	 */
 	@SuppressWarnings("unchecked")
 	public static synchronized List<SysPermissionDataRuleModel> loadDataSearchConditon() {
 		return (List<SysPermissionDataRuleModel>) SpringContextUtils.getHttpServletRequest().getAttribute(MENU_DATA_AUTHOR_RULES);
-				
+
 	}
 
 	/**
 	 * 获取请求对应的数据权限SQL
-	 * 
+	 *
 	 * @return
 	 */
 	public static synchronized String loadDataSearchConditonSQLString() {
@@ -65,12 +69,12 @@ public class JeroDataAutorUtils {
 
 	/**
 	 * 往链接请求里面，传入数据查询条件
-	 * 
+	 *
 	 * @param request
 	 * @param sql
 	 */
 	public static synchronized void installDataSearchConditon(HttpServletRequest request, String sql) {
-		String ruleSql = (String)loadDataSearchConditonSQLString();
+		String ruleSql = loadDataSearchConditonSQLString();
 		if (!StringUtils.hasText(ruleSql)) {
 			request.setAttribute(MENU_DATA_AUTHOR_RULE_SQL,sql);
 		}
@@ -99,6 +103,6 @@ public class JeroDataAutorUtils {
 	 */
 	public static synchronized SysUserCacheInfo loadUserInfo() {
 		return (SysUserCacheInfo) SpringContextUtils.getHttpServletRequest().getAttribute(SYS_USER_INFO);
-				
+
 	}
 }