diff --git a/jero-boot/jero-cloud-module/jero-cloud-xxljob/src/main/java/com/xxl/job/admin/core/util/CookieUtil.java b/jero-boot/jero-cloud-module/jero-cloud-xxljob/src/main/java/com/xxl/job/admin/core/util/CookieUtil.java
index a1523aa4..595e3f82 100644
--- a/jero-boot/jero-cloud-module/jero-cloud-xxljob/src/main/java/com/xxl/job/admin/core/util/CookieUtil.java
+++ b/jero-boot/jero-cloud-module/jero-cloud-xxljob/src/main/java/com/xxl/job/admin/core/util/CookieUtil.java
@@ -15,14 +15,17 @@ public class CookieUtil {
 	private static final int COOKIE_MAX_AGE = Integer.MAX_VALUE;
 	// 保存路径,根路径
 	private static final String COOKIE_PATH = "/";
-	
+
+	private CookieUtil() {
+	}
+
 	/**
 	 * 保存
 	 *
 	 * @param response
 	 * @param key
 	 * @param value
-	 * @param ifRemember 
+	 * @param ifRemember
 	 */
 	public static void set(HttpServletResponse response, String key, String value, boolean ifRemember) {
 		int age = ifRemember?COOKIE_MAX_AGE:-1;
@@ -47,7 +50,7 @@ public class CookieUtil {
 		cookie.setHttpOnly(isHttpOnly);
 		response.addCookie(cookie);
 	}
-	
+
 	/**
 	 * 查询value
 	 *
@@ -70,9 +73,9 @@ public class CookieUtil {
 	 * @param key
 	 */
 	private static Cookie get(HttpServletRequest request, String key) {
-		Cookie[] arr_cookie = request.getCookies();
-		if (arr_cookie != null && arr_cookie.length > 0) {
-			for (Cookie cookie : arr_cookie) {
+		Cookie[] arrCookie = request.getCookies();
+		if (arrCookie != null && arrCookie.length > 0) {
+			for (Cookie cookie : arrCookie) {
 				if (cookie.getName().equals(key)) {
 					return cookie;
 				}
@@ -80,7 +83,7 @@ public class CookieUtil {
 		}
 		return null;
 	}
-	
+
 	/**
 	 * 删除Cookie
 	 *
@@ -95,4 +98,4 @@ public class CookieUtil {
 		}
 	}
 
-}
\ No newline at end of file
+}