diff --git a/eladmin/eladmin-common/src/main/java/me/zhengjie/exception/handler/ApiError.java b/eladmin/eladmin-common/src/main/java/me/zhengjie/exception/handler/ApiError.java
index 5112730..977788c 100644
--- a/eladmin/eladmin-common/src/main/java/me/zhengjie/exception/handler/ApiError.java
+++ b/eladmin/eladmin-common/src/main/java/me/zhengjie/exception/handler/ApiError.java
@@ -15,9 +15,7 @@
  */
 package me.zhengjie.exception.handler;
 
-import com.fasterxml.jackson.annotation.JsonFormat;
 import lombok.Data;
-import java.time.LocalDateTime;
 
 /**
  * @author Zheng Jie
@@ -27,12 +25,11 @@ import java.time.LocalDateTime;
 class ApiError {
 
     private Integer status = 400;
-    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
-    private LocalDateTime timestamp;
+    private Long timestamp;
     private String message;
 
     private ApiError() {
-        timestamp = LocalDateTime.now();
+        timestamp = System.currentTimeMillis();
     }
 
     public static ApiError error(String message){
diff --git a/eladmin/eladmin-system/src/main/java/me/zhengjie/modules/system/domain/Dept.java b/eladmin/eladmin-system/src/main/java/me/zhengjie/modules/system/domain/Dept.java
index cc41611..26af317 100644
--- a/eladmin/eladmin-system/src/main/java/me/zhengjie/modules/system/domain/Dept.java
+++ b/eladmin/eladmin-system/src/main/java/me/zhengjie/modules/system/domain/Dept.java
@@ -20,7 +20,6 @@ import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
-import com.fasterxml.jackson.annotation.JsonInclude;
 import io.swagger.annotations.ApiModelProperty;
 import lombok.Getter;
 import lombok.Setter;
@@ -52,7 +51,6 @@ public class Dept extends BaseEntity implements Serializable {
     private Set<Role> roles;
 
     @TableField(exist = false)
-    @JsonInclude(JsonInclude.Include.NON_EMPTY)
     private List<Dept> children;
 
     @ApiModelProperty(value = "排序")
diff --git a/eladmin/eladmin-system/src/main/java/me/zhengjie/modules/system/domain/vo/MenuVo.java b/eladmin/eladmin-system/src/main/java/me/zhengjie/modules/system/domain/vo/MenuVo.java
index 82fc0cc..e1efa5a 100644
--- a/eladmin/eladmin-system/src/main/java/me/zhengjie/modules/system/domain/vo/MenuVo.java
+++ b/eladmin/eladmin-system/src/main/java/me/zhengjie/modules/system/domain/vo/MenuVo.java
@@ -15,7 +15,6 @@
  */
 package me.zhengjie.modules.system.domain.vo;
 
-import com.fasterxml.jackson.annotation.JsonInclude;
 import lombok.Data;
 import java.io.Serializable;
 import java.util.List;
@@ -26,7 +25,6 @@ import java.util.List;
  * @date 2018-12-20
  */
 @Data
-@JsonInclude(JsonInclude.Include.NON_EMPTY)
 public class MenuVo implements Serializable {
 
     private String name;
diff --git a/eladmin/eladmin-system/src/main/resources/config/application.yml b/eladmin/eladmin-system/src/main/resources/config/application.yml
index a47e06b..f433442 100644
--- a/eladmin/eladmin-system/src/main/resources/config/application.yml
+++ b/eladmin/eladmin-system/src/main/resources/config/application.yml
@@ -15,8 +15,6 @@ spring:
     check-template-location: false
   profiles:
     active: dev
-  jackson:
-    time-zone: GMT+8
   data:
     redis:
       repositories: