diff --git a/aspnet-core/framework/wechat/LINGYUN.Abp.WeChat.Work.Common/LINGYUN/Abp/WeChat/Work/Common/AbpWeChatWorkCommonModule.cs b/aspnet-core/framework/wechat/LINGYUN.Abp.WeChat.Work.Common/LINGYUN/Abp/WeChat/Work/Common/AbpWeChatWorkCommonModule.cs
index 6e2d64ae6..c011747a5 100644
--- a/aspnet-core/framework/wechat/LINGYUN.Abp.WeChat.Work.Common/LINGYUN/Abp/WeChat/Work/Common/AbpWeChatWorkCommonModule.cs
+++ b/aspnet-core/framework/wechat/LINGYUN.Abp.WeChat.Work.Common/LINGYUN/Abp/WeChat/Work/Common/AbpWeChatWorkCommonModule.cs
@@ -29,6 +29,7 @@ public class AbpWeChatWorkCommonModule : AbpModule
             options.MapEvent("location_select", context => context.GetWeChatMessage<GeoLocationSelectPushEevent>());
             options.MapEvent("batch_job_result", context => context.GetWeChatMessage<BatchJobResultEvent>());
             options.MapEvent("open_approval_change", context => context.GetWeChatMessage<ApprovalStatusChangeEvent>());
+            options.MapEvent("sys_approval_change", context => context.GetWeChatMessage<SysApprovalStatusChangeEvent>());
             options.MapEvent("share_agent_change", context => context.GetWeChatMessage<ShareAgentChangeEvent>());
             options.MapEvent("share_chain_change", context => context.GetWeChatMessage<ShareChainChangeEvent>());
             options.MapEvent("template_card_event", context => context.GetWeChatMessage<TemplateCardPushEvent>());
diff --git a/aspnet-core/framework/wechat/LINGYUN.Abp.WeChat.Work.Common/LINGYUN/Abp/WeChat/Work/Common/Messages/Models/SysApprovalStatusChangeEvent.cs b/aspnet-core/framework/wechat/LINGYUN.Abp.WeChat.Work.Common/LINGYUN/Abp/WeChat/Work/Common/Messages/Models/SysApprovalStatusChangeEvent.cs
new file mode 100644
index 000000000..a08fa5988
--- /dev/null
+++ b/aspnet-core/framework/wechat/LINGYUN.Abp.WeChat.Work.Common/LINGYUN/Abp/WeChat/Work/Common/Messages/Models/SysApprovalStatusChangeEvent.cs
@@ -0,0 +1,272 @@
+using LINGYUN.Abp.WeChat.Common.Messages;
+using System;
+using System.Collections.Generic;
+using System.Xml.Serialization;
+using Volo.Abp.EventBus;
+
+namespace LINGYUN.Abp.WeChat.Work.Common.Messages.Models;
+/// <summary>
+/// 企业微信“审批应用”审批状态通知事件
+/// </summary>
+[EventName("sys_approval_change")]
+public class SysApprovalStatusChangeEvent : WeChatWorkEventMessage
+{
+    /// <summary>
+    /// 审批信息
+    /// </summary>
+    [XmlElement("ApprovalInfo")]
+    public SysApprovalInfo ApprovalInfo { get; set; }
+
+    public override WeChatMessageEto ToEto()
+    {
+        return new WeChatWorkEventMessageEto<SysApprovalStatusChangeEvent>(this);
+    }
+}
+
+public class SysApprovalInfo
+{
+    /// <summary>
+    /// 审批编号（字符串类型）
+    /// </summary>
+    [XmlElement("SpNoStr")]
+    public string SpNoStr { get; set; }
+    /// <summary>
+    /// 审批申请类型名称（审批模板名称）
+    /// </summary>
+    [XmlElement("SpName")]
+    public string SpName { get; set; }
+    /// <summary>
+    /// 申请单状态：1-审批中；2-已通过；3-已驳回；4-已撤销；6-通过后撤销；7-已删除；10-已支付
+    /// </summary>
+    [XmlElement("SpStatus")]
+    public byte SpStatus { get; set; }
+    /// <summary>
+    /// 审批模板id。可在“获取审批申请详情”、“审批状态变化回调通知”中获得，也可在审批模板的模板编辑页面链接中获得。
+    /// </summary>
+    [XmlElement("TemplateId")]
+    public string TemplateId { get; set; }
+    /// <summary>
+    /// 审批申请提交时间,Unix时间戳
+    /// </summary>
+    [XmlElement("ApplyTime")]
+    public int ApplyTime { get; set; }
+    /// <summary>
+    /// 申请人信息
+    /// </summary>
+    [XmlElement("Applyer")]
+    public SysApprovalApplyer Applyer { get; set; }
+    /// <summary>
+    /// 审批流程信息，可能有多个审批节点。
+    /// </summary>
+    [XmlElement("SpRecord")]
+    public List<SysApprovalRecord> SpRecord { get; set; }
+    /// <summary>
+    /// 抄送信息，可能有多个抄送节点
+    /// </summary>
+    [XmlElement("Notifyer")]
+    public List<SysApprovalNotifyer> Notifyer { get; set; }
+    /// <summary>
+    /// 审批申请备注信息，可能有多个备注节点
+    /// </summary>
+    [XmlElement("Comments")]
+    public List<SysApprovalComment> Comments { get; set; }
+    /// <summary>
+    /// 审批流程列表
+    /// </summary>
+    [XmlElement("ProcessList")]
+    public List<SysApprovalProcess> ProcessList { get; set; }
+    /// <summary>
+    /// 审批申请状态变化类型：1-提单；2-同意；3-驳回；4-转审；5-催办；6-撤销；8-通过后撤销；10-添加备注；11-回退给指定审批人；12-添加审批人；13-加签并同意； 14-已办理； 15-已转交
+    /// </summary>
+    [XmlElement("StatuChangeEvent")]
+    public byte StatuChangeEvent { get; set; }
+    /// <summary>
+    /// 审批编号
+    /// </summary>
+    /// <remarks>
+    /// 局校审批单不返回此字段，其他类型审批单会返回此字段，不推荐使用此字段
+    /// </remarks>
+    [XmlElement("SpNo")]
+    [Obsolete("局校审批单不返回此字段，其他类型审批单会返回此字段，不推荐使用此字段")]
+    public string SpNo { get; set; }
+}
+
+public class SysApprovalApplyer
+{
+    /// <summary>
+    /// 申请人userid
+    /// </summary>
+    [XmlElement("UserId")]
+    public string UserId { get; set; }
+    /// <summary>
+    /// 申请人所在部门pid
+    /// </summary>
+    [XmlElement("Party")]
+    public string Party { get; set; }
+}
+
+public class SysApprovalRecord
+{
+    /// <summary>
+    /// 审批节点状态：1-审批中；2-已同意；3-已驳回；4-已转审
+    /// </summary>
+    [XmlElement("SpStatus")]
+    public byte SpStatus { get; set; }
+    /// <summary>
+    /// 节点审批方式：1-或签；2-会签
+    /// </summary>
+    [XmlElement("ApproverAttr")]
+    public byte ApproverAttr { get; set; }
+    /// <summary>
+    /// 节点审批方式：1-或签；2-会签
+    /// </summary>
+    [XmlElement("Details")]
+    public List<SysApprovalRecordDetail> Details { get; set; }
+}
+
+public class SysApprovalRecordDetail
+{
+    /// <summary>
+    /// 分支审批人
+    /// </summary>
+    [XmlElement("Approver")]
+    public SysApprovalApplyer Approver { get; set; }
+    /// <summary>
+    /// 审批意见字段
+    /// </summary>
+    [XmlElement("Speech")]
+    public string Speech { get; set; }
+    /// <summary>
+    /// 分支审批人审批状态：1-审批中；2-已同意；3-已驳回；4-已转审
+    /// </summary>
+    [XmlElement("SpStatus")]
+    public byte SpStatus { get; set; }
+    /// <summary>
+    /// 节点分支审批人审批操作时间，0为尚未操作
+    /// </summary>
+    [XmlElement("SpTime")]
+    public int SpTime { get; set; }
+    /// <summary>
+    /// 节点分支审批人审批意见附件，赋值为media_id具体使用请参考：文档-获取临时素材
+    /// </summary>
+    [XmlElement("Attach")]
+    public string Attach { get; set; }
+}
+
+public class SysApprovalNotifyer
+{
+    /// <summary>
+    /// 节点抄送人userid
+    /// </summary>
+    [XmlElement("UserId")]
+    public string UserId { get; set; }
+}
+
+public class SysApprovalComment
+{
+    /// <summary>
+    /// 备注人信息
+    /// </summary>
+    [XmlElement("CommentUserInfo")]
+    public SysApprovalCommenter CommentUserInfo { get; set; }
+    /// <summary>
+    /// 备注提交时间
+    /// </summary>
+    [XmlElement("CommentTime")]
+    public int CommentTime { get; set; }
+    /// <summary>
+    /// 备注文本内容
+    /// </summary>
+    [XmlElement("CommentContent")]
+    public string CommentContent { get; set; }
+    /// <summary>
+    /// 备注id
+    /// </summary>
+    [XmlElement("CommentId")]
+    public string CommentId { get; set; }
+    /// <summary>
+    /// 备注意见附件，值是附件media_id
+    /// </summary>
+    [XmlElement("Attach")]
+    public string Attach { get; set; }
+}
+
+public class SysApprovalCommenter
+{
+    /// <summary>
+    /// 节点抄送人userid
+    /// </summary>
+    [XmlElement("UserId")]
+    public string UserId { get; set; }
+}
+
+public class SysApprovalProcess
+{
+    /// <summary>
+    /// 流程节点
+    /// </summary>
+    [XmlElement("NodeList")]
+    public List<SysApprovalProcessNode> NodeList { get; set; }
+}
+
+public class SysApprovalProcessNode
+{
+    /// <summary>
+    /// 节点类型 1 审批人 2 抄送人 3办理人
+    /// </summary>
+    [XmlElement("NodeType")]
+    public byte NodeType { get; set; }
+    /// <summary>
+    /// 节点状态 1-审批中；2-同意；3-驳回；4-转审；11-退回给指定审批人；12-加签；13-同意并加签；14-办理；15-转交
+    /// </summary>
+    [XmlElement("SpStatus")]
+    public byte SpStatus { get; set; }
+    /// <summary>
+    /// 多人办理方式 1-会签；2-或签 3-依次审批
+    /// </summary>
+    [XmlElement("ApvRel")]
+    public byte ApvRel { get; set; }
+    /// <summary>
+    /// 子节点列表
+    /// </summary>
+    [XmlElement("SubNodeList")]
+    public List<SysApprovalProcessSubNode> SubNodeList { get; set; }
+}
+
+public class SysApprovalProcessSubNode
+{
+    /// <summary>
+    /// 处理人信息
+    /// </summary>
+    [XmlElement("UserInfo")]
+    public SysApprovalProcesser UserInfo { get; set; }
+    /// <summary>
+    /// 审批/办理意见
+    /// </summary>
+    [XmlElement("Speech")]
+    public string Speech { get; set; }
+    /// <summary>
+    /// 子节点状态 1-审批中；2-同意；3-驳回；4-转审；11-退回给指定审批人；12-加签；13-同意并加签；14-办理；15-转交
+    /// </summary>
+    [XmlElement("SpYj")]
+    public byte SpYj { get; set; }
+    /// <summary>
+    /// 操作时间
+    /// </summary>
+    [XmlElement("Sptime")]
+    public int Sptime { get; set; }
+    /// <summary>
+    /// 备注意见附件，值是附件media_id
+    /// </summary>
+    [XmlElement("MediaIds")]
+    public string MediaIds { get; set; }
+}
+
+public class SysApprovalProcesser
+{
+    /// <summary>
+    /// 处理人userid	
+    /// </summary>
+    [XmlElement("UserId")]
+    public string UserId { get; set; }
+}
\ No newline at end of file