diff --git a/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/client/IoaClient.java b/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/client/IoaClient.java
new file mode 100644
index 0000000..3809220
--- /dev/null
+++ b/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/client/IoaClient.java
@@ -0,0 +1,149 @@
+package com.chinaunicom.mall.ebtp.extend.ioa.client;
+
+import com.chinaunicom.mall.ebtp.extend.ioa.entity.Flow;
+import com.chinaunicom.mall.ebtp.extend.ioa.entity.IoaBaseResponseDTO;
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestHeader;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * IOA待办待阅服务
+ * 创建待办、修改状态、删除待办
+ */
+@FeignClient(name = "ioa-service", url = "${spring.ioa.url}")
+@RequestMapping("/api/task")
+public interface IoaClient {
+
+    /**
+     * 创建待办待阅（批量最多支持100个）
+     * POST <a href="http://10.18.55.175:19997/api/task/create">测试环境-创建待办待阅</a>
+     * header:
+     * app_id: ${spring.ioa.app_id}
+     * app_secret: ${spring.ioa.app_secret}
+     参数body:
+     {
+         "flowId": "1639178577644933121",
+         "flowName": "请假流程",
+         "bizInstanceId": "489482",
+         "createDate": 1749621480,
+         "creatorName": "张三",
+         //   "creatorId": "zyhybj-zougaoming",
+         "creatorId": "1",
+         "tasks": [
+             {
+                 "bizTaskId": "ABC100003",
+                 "workNum": "ABC100003",
+                 "taskType": 0,
+                 "businessMode": "QJ",
+                 //   "handler": "30028727",
+                 "handler": "1",
+                 "formUrl": "https://feikong.coscoshipping.com/hec_prod/weixin#####7A182",
+                 "title": "张三请假申请--领导审批...",
+                 "priority": 1,
+                 "ext": {
+                     "axx": "1cd2",
+                     "bxx": "2aa"
+                 }
+             }
+         ]
+     }
+     返回: 成功没有code, 失败有对应的code, 成功status为true，失败status为false
+     成功：
+         {
+             "msg_ids": [
+                 "1935498644363452416"
+             ],
+             "status": true
+         }
+     失败:
+         {
+             "code": "T_12",
+             "msg_ids": [
+                 "1935498644363452416"
+             ],
+             "status": false
+         }
+     *
+     * @param flow 请求体参数，结构见文档
+     * @param appId app_id请求头
+     * @param appSecret app_secret请求头
+     * @return 结果Map或自定义响应对象
+     */
+    @PostMapping("/create")
+    IoaBaseResponseDTO createTask(
+            @RequestHeader("app_id") String appId,
+            @RequestHeader("app_secret") String appSecret,
+            @RequestBody Flow flow);
+
+    /**
+     * 修改待办待阅状态（批量最多支持100个）
+     * POST <a href="http://10.18.55.175:19997/api/task/update">测试环境-修改待办待阅</a>
+     * header:
+     * app_id: ${spring.ioa.app_id}
+     * app_secret: ${spring.ioa.app_secret}
+     参数body:
+         ["ABC100002"]
+     返回: 成功没有code, 失败有对应的code, 成功status为true，失败status为false
+     成功：
+     {
+         "msg_ids": [
+             "1935498644363452416"
+         ],
+         "status": true
+     }
+     失败:
+     {
+         "code": "T_12",
+         "msg_ids": [
+             "1935498644363452416"
+         ],
+         "status": false
+     }
+     *
+     * @param bizTaskId 请求体参数，包含bizTaskId列表
+     * @return 结果Map或自定义响应对象
+     */
+    @PostMapping("/update")
+    IoaBaseResponseDTO updateTask(
+            @RequestHeader("app_id") String appId,
+            @RequestHeader("app_secret") String appSecret,
+            @RequestBody List<String> bizTaskId);
+
+    /**
+     * 批量删除待办/待阅/已办/已阅（最多支持100个）
+     * POST <a href="http://10.18.55.175:19997/api/task/delete">测试环境-撤回待办待阅</a>
+     * header:
+     * app_id: ${spring.ioa.app_id}
+     * app_secret: ${spring.ioa.app_secret}
+     参数body:
+         ["ABC100002"]
+     返回: 成功没有code, 失败有对应的code, 成功status为true，失败status为false
+     成功：
+     {
+         "msg_ids": [
+             "1935498644363452416"
+         ],
+         "status": true
+     }
+     失败:
+     {
+         "code": "T_12",
+         "msg_ids": [
+             "1935498644363452416"
+         ],
+         "status": false
+     }
+     * @param bizTaskId 请求体参数，包含bizTaskId列表
+     * @return 结果Map或自定义响应对象
+     */
+    @PostMapping("/delete")
+    IoaBaseResponseDTO deleteTask(
+            @RequestHeader("app_id") String appId,
+            @RequestHeader("app_secret") String appSecret,
+            @RequestBody List<String> bizTaskId);
+}
\ No newline at end of file
diff --git a/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/constant/IoaErrorEnum.java b/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/constant/IoaErrorEnum.java
new file mode 100644
index 0000000..88bf565
--- /dev/null
+++ b/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/constant/IoaErrorEnum.java
@@ -0,0 +1,91 @@
+package com.chinaunicom.mall.ebtp.extend.ioa.constant;
+
+/**
+ * IOA错误枚举类
+ * 定义了IOA系统中可能出现的各种错误类型及其描述信息。
+ * 每个错误类型都有一个唯一的代码和对应的描述。
+ */
+public enum IoaErrorEnum {
+    E_10("E_10", "系统异常"),
+    A_10("A_10", "没有权限记录"),
+    A_11("A_11", "权限被禁用"),
+    A_12("A_12", "权限已过期"),
+    A_13("A_13", "key secret错误"),
+    A_14("A_14", "校验权限异常"),
+    A_15("A_15", "不允许该ip访问"),
+    A_16("A_16", "限流处理异常"),
+    A_17("A_17", "报文重复"),
+    A_18("A_18", "请求被限流"),
+    H_10("H_10", "头为空"),
+    H_11("H_11", "头的必输项键值为空"),
+    H_12("H_12", "不是有效的contentType"),
+    H_13("H_13", "不是post请求"),
+    B_10("B_10", "体为空"),
+    B_11("B_11", "体太大"),
+    B_13("B_13", "批量消息过大"),
+    M_10("M_10", "构建Message对象异常"),
+    M_11("M_11", "请求报文转换成接收数据实体对象失败"),
+    M_12("M_12", "请求报文中不包含主题"),
+    M_13("M_13", "请求报文中不包含内容"),
+    M_14("M_14", "请求报文中扩展字段过多"),
+    M_141("M_141", "扩展字段键非法"),
+    M_142("M_142", "扩展字段值非法"),
+    M_15("M_15", "请求报文中目标渠道为空"),
+    M_16("M_16", "请求报文中目标渠道中的编码为空"),
+    M_17("M_17", "请求报文中目标渠道中的接收人列表为空"),
+    M_18("M_18", "请求报文中目标渠道中的接收数据校验格式失败"),
+    M_19("M_19", "请求报文中中转换后的消息对象大小为空"),
+    M_20("M_20", "请求报文中不包含消息ID"),
+    M_201("M_201", "撤销的MSG_ID没有在库中找到"),
+    M_21("M_21", "校验Message解析前置决断json异常"),
+    M_22("M_22", "Message执行前置决断失败"),
+    M_31("M_31", "校验Message解析后置决断json异常"),
+    M_32("M_32", "Message执行后置决断失败"),
+    M_33("M_33", "前置决断类型配置错误"),
+    M_34("M_34", "后置决断类型配置错误"),
+    M_41("M_41", "校验Message指定渠道失败. 请求报文不存在任何渠道编码配置"),
+    M_42("M_42", "校验Message指定渠道失败. 当前appid没有配置任何渠道数据"),
+    M_43("M_43", "校验Message指定渠道失败. 当前appid里面配置的渠道列表数据不包含请求报文配置的渠道"),
+    M_44("M_44", "校验Message指定渠道失败. 当前报文中传递的渠道编码在渠道表中对应的动态表单json转换成对象失败"),
+    M_51("M_51", "校验Message解析回执json异常"),
+    M_61("M_61", "Message执行渠道失败"),
+    P_10("P_10", "数据生产异常"),
+    C_10("C_10", "数据消费异常"),
+    M_A1("M_A1", "Message执行回执失败"),
+    M_E1("M_E1", "数据处理未知异常"),
+    T_10("T_10", "iTask不能识别的类型"),
+    T_11("T_11", "task接收对象实体校验失败"),
+    T_12("T_12", "task单据在库中已存在"),
+    T_13("T_13", "task单据在库中不存在"),
+    T_14("T_14", "task单据重复"),
+    T_15("T_15", "task单据数据校验异常"),
+    T_16("T_16", "数据值不合理"),
+    T_17("T_17", "不允许操作. 该单据不允许修改状态，因为状态不允许"),
+    S_10("S_10", "查询参数异常");
+
+    private final String code;
+    private final String desc;
+
+    IoaErrorEnum(String code, String desc) {
+        this.code = code;
+        this.desc = desc;
+    }
+
+    public String getCode() {
+        return code;
+    }
+
+    public String getDesc() {
+        return desc;
+    }
+
+    public static String getDescByCode(String code) {
+        for (IoaErrorEnum e : IoaErrorEnum.values()) {
+            if (e.getCode().equals(code)) {
+                return e.getDesc();
+            }
+        }
+        return "未知错误";
+    }
+}
+
diff --git a/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/controller/IoaController.java b/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/controller/IoaController.java
new file mode 100644
index 0000000..098576d
--- /dev/null
+++ b/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/controller/IoaController.java
@@ -0,0 +1,81 @@
+package com.chinaunicom.mall.ebtp.extend.ioa.controller;
+
+import com.chinaunicom.mall.ebtp.common.base.entity.BaseResponse;
+import com.chinaunicom.mall.ebtp.common.util.PropertyUtils;
+import com.chinaunicom.mall.ebtp.extend.ioa.constant.IoaErrorEnum;
+import com.chinaunicom.mall.ebtp.extend.ioa.entity.Flow;
+import com.chinaunicom.mall.ebtp.extend.ioa.entity.IoaBaseResponseDTO;
+import com.chinaunicom.mall.ebtp.extend.ioa.service.IoaService;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@Slf4j
+@RestController
+@RequestMapping("/ioa/task")
+public class IoaController {
+
+    @Autowired
+    private IoaService ioaService;
+
+    private static final String IOA_ERRER_DESC  = "iOA错误代码/描述: ";
+
+    /**
+     * 创建待办
+     */
+    @PostMapping("/create")
+    public BaseResponse<String[]> createTask(@RequestBody Flow flow) {
+        // 判断并设置默认值
+        if (StringUtils.isBlank(flow.getFlowId())) {
+            flow.setFlowId(PropertyUtils.getSnowflakeId());
+        }
+        if (StringUtils.isBlank(flow.getFlowName())) {
+            flow.setFlowName(PropertyUtils.getSnowflakeId());
+        }
+        if (StringUtils.isBlank(flow.getBizInstanceId())) {
+            flow.setBizInstanceId(PropertyUtils.getSnowflakeId());
+        }
+        if (flow.getCreateDate() == null || flow.getCreateDate() == 0L) {
+            flow.setCreateDate(System.currentTimeMillis());
+        }
+        IoaBaseResponseDTO ioaBaseResponseDTO = ioaService.createTask(flow);
+        if (!ioaBaseResponseDTO.isStatus()) {
+            String code = ioaBaseResponseDTO.getCode();
+            String message = IoaErrorEnum.getDescByCode(code);
+            // message: "iOA错误代码/描述: T_12task单据在库中已存在"
+            return BaseResponse.fail(IOA_ERRER_DESC + code + message, ioaBaseResponseDTO.getMsg_ids());
+        }
+        return BaseResponse.success(ioaBaseResponseDTO.getMsg_ids());
+    }
+
+    /**
+     * 修改待办
+     */
+    @PostMapping("/update")
+    public BaseResponse<String[]> updateTask(@RequestBody List<String> bizTaskIds) {
+        IoaBaseResponseDTO ioaBaseResponseDTO = ioaService.updateTask(bizTaskIds);
+        if (!ioaBaseResponseDTO.isStatus()) {
+            String code = ioaBaseResponseDTO.getCode();
+            String message = IoaErrorEnum.getDescByCode(code);
+            return BaseResponse.fail(IOA_ERRER_DESC + code + message, ioaBaseResponseDTO.getMsg_ids());
+        }
+        return BaseResponse.success(ioaBaseResponseDTO.getMsg_ids());
+    }
+
+    /**
+     * 撤回待办
+     */
+    @PostMapping("/delete")
+    public BaseResponse<String[]> deleteTask(@RequestBody List<String> bizTaskIds) {
+        IoaBaseResponseDTO ioaBaseResponseDTO = ioaService.deleteTask(bizTaskIds);
+        if (!ioaBaseResponseDTO.isStatus()) {
+            String code = ioaBaseResponseDTO.getCode();
+            String message = IoaErrorEnum.getDescByCode(code);
+            return BaseResponse.fail(IOA_ERRER_DESC + code + message, ioaBaseResponseDTO.getMsg_ids());
+        }
+        return BaseResponse.success(ioaBaseResponseDTO.getMsg_ids());
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/entity/Flow.java b/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/entity/Flow.java
new file mode 100644
index 0000000..814cbc5
--- /dev/null
+++ b/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/entity/Flow.java
@@ -0,0 +1,38 @@
+package com.chinaunicom.mall.ebtp.extend.ioa.entity;
+
+import lombok.Data;
+
+import java.util.List;
+
+@Data
+public class Flow {
+    /**
+     * 流程ID (不传就是雪花ID)
+     */
+    private String flowId;
+    /**
+     * 流程名称 (不传就是雪花ID)
+     */
+    private String flowName;
+    /**
+     * 业务流程实例 id，流程实例在业务系统的唯一标识号 (不传就是雪花ID)
+     */
+    private String bizInstanceId;
+    /**
+     * 创建时间，时间戳 (不传就是当前系统时间)
+     */
+    private Long createDate;
+    /**
+     * 创建人姓名
+     */
+    private String creatorName;
+    /**
+     * 创建人id
+     */
+    private String creatorId;
+    /**
+     * 待办待阅数据集合，最多100
+     */
+    private List<Task> tasks;
+
+}
diff --git a/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/entity/IoaBaseResponseDTO.java b/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/entity/IoaBaseResponseDTO.java
new file mode 100644
index 0000000..9dec434
--- /dev/null
+++ b/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/entity/IoaBaseResponseDTO.java
@@ -0,0 +1,20 @@
+package com.chinaunicom.mall.ebtp.extend.ioa.entity;
+
+import lombok.Data;
+
+/**
+ *
+ {
+ "code": "T_12",
+ "msg_ids": [
+ "1935498644363452416"
+ ],
+ "status": false
+ }
+ */
+@Data
+public class IoaBaseResponseDTO {
+    private String code;
+    private String[] msg_ids;
+    private boolean status;
+}
diff --git a/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/entity/Task.java b/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/entity/Task.java
new file mode 100644
index 0000000..50f7786
--- /dev/null
+++ b/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/entity/Task.java
@@ -0,0 +1,46 @@
+package com.chinaunicom.mall.ebtp.extend.ioa.entity;
+
+import lombok.Data;
+
+import java.util.Map;
+
+@Data
+public class Task {
+    /**
+     * 业务待办id，待办待阅在业务系统的唯一标识 id
+     */
+    private String bizTaskId;
+    /**
+     * 工单号，工单在业务系统的唯一标识
+     */
+    private String workNum;
+    /**
+     * 单据类型，0:待办,1:待阅
+     */
+    private Integer taskType;
+    /**
+     * 业务类型
+     */
+    private String businessMode;
+    /**
+     * 当前处理人的用户ID
+     */
+    private String handler;
+    /**
+     * 业务系统提供工单处理页面的Url
+     */
+    private String formUrl;
+    /**
+     * 工单标题
+     */
+    private String title;
+    /**
+     * 优先级别，0:低,1:中,2:高
+     */
+    private Integer priority;
+    /**
+     * 扩展信息JSON，最多50个元素，键[a-z]{1,30}，值<100字符
+     */
+    private Map<String, String> ext;
+
+}
diff --git a/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/service/IoaService.java b/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/service/IoaService.java
new file mode 100644
index 0000000..e3a39a8
--- /dev/null
+++ b/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/service/IoaService.java
@@ -0,0 +1,30 @@
+package com.chinaunicom.mall.ebtp.extend.ioa.service;
+
+import com.chinaunicom.mall.ebtp.extend.ioa.entity.Flow;
+import com.chinaunicom.mall.ebtp.extend.ioa.entity.IoaBaseResponseDTO;
+
+import java.util.List;
+import java.util.Map;
+
+public interface IoaService {
+    /**
+     * 创建待办待阅（批量）
+     * @param flow 流程对象
+     * @return 结果Map
+     */
+    IoaBaseResponseDTO createTask(Flow flow);
+
+    /**
+     * 修改待办待阅状态（批量）
+     * @param bizTaskIds 待办id列表
+     * @return 结果Map
+     */
+    IoaBaseResponseDTO updateTask(List<String> bizTaskIds);
+
+    /**
+     * 撤回/删除待办（批量）
+     * @param bizTaskIds 待办id列表
+     * @return 结果Map
+     */
+    IoaBaseResponseDTO deleteTask(List<String> bizTaskIds);
+}
diff --git a/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/service/impl/IoaServiceImpl.java b/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/service/impl/IoaServiceImpl.java
new file mode 100644
index 0000000..22bd4c5
--- /dev/null
+++ b/src/main/java/com/chinaunicom/mall/ebtp/extend/ioa/service/impl/IoaServiceImpl.java
@@ -0,0 +1,39 @@
+package com.chinaunicom.mall.ebtp.extend.ioa.service.impl;
+
+import com.chinaunicom.mall.ebtp.extend.ioa.client.IoaClient;
+import com.chinaunicom.mall.ebtp.extend.ioa.entity.Flow;
+import com.chinaunicom.mall.ebtp.extend.ioa.entity.IoaBaseResponseDTO;
+import com.chinaunicom.mall.ebtp.extend.ioa.service.IoaService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class IoaServiceImpl implements IoaService {
+
+    @Autowired
+    private IoaClient ioaClient;
+
+    @Value("${spring.ioa.app_id}")
+    private String appId;
+
+    @Value("${spring.ioa.app_secret}")
+    private String appSecret;
+
+    @Override
+    public IoaBaseResponseDTO createTask(Flow flow) {
+        return ioaClient.createTask(appId, appSecret, flow);
+    }
+
+    @Override
+    public IoaBaseResponseDTO updateTask(List<String> bizTaskIds) {
+        return ioaClient.updateTask(appId, appSecret, bizTaskIds);
+    }
+
+    @Override
+    public IoaBaseResponseDTO deleteTask(List<String> bizTaskIds) {
+        return ioaClient.deleteTask(appId, appSecret, bizTaskIds);
+    }
+}