代码优化，去除遗留的jackson代码

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){

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;

eladmin-system/src/main/java/me/zhengjie/modules/system/service/dto/DeptDto.java

@@ -15,7 +15,6 @@
  */
 package me.zhengjie.modules.system.service.dto;
 
-import com.fasterxml.jackson.annotation.JsonInclude;
 import lombok.Getter;
 import lombok.Setter;
 import me.zhengjie.base.BaseDTO;
@@ -39,7 +38,6 @@ public class DeptDto extends BaseDTO implements Serializable {
 
     private Integer deptSort;
 
-    @JsonInclude(JsonInclude.Include.NON_EMPTY)
     private List<DeptDto> children;
 
     private Long pid;

eladmin-system/src/main/resources/config/application.yml

@@ -8,8 +8,6 @@ spring:
     check-template-location: false
   profiles:
     active: dev
-  jackson:
-    time-zone: GMT+8
   data:
     redis:
       repositories: