diff --git a/mailbox-lan/src/main/java/com/biutag/lan/domain/MailApproval.java b/mailbox-lan/src/main/java/com/biutag/lan/domain/MailApproval.java
index d9e7409..d92ad36 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/domain/MailApproval.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/domain/MailApproval.java
@@ -2,6 +2,7 @@ package com.biutag.lan.domain;
 
 import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableId;
+import com.fasterxml.jackson.annotation.JsonFormat;
 import lombok.Getter;
 import lombok.Setter;
 import lombok.experimental.Accessors;
@@ -38,9 +39,11 @@ public class MailApproval {
      * 角色id
      */
     private Integer roleId;
+
     /**
      *
      */
+    @JsonFormat(shape = JsonFormat.Shape.STRING,pattern = "yyyy-MM-dd HH:mm:ss")
     private LocalDateTime createTime;
     /**
      * 流程节点