diff --git a/src/main/java/com/project/task/domain/service/impl/DeleteTaskDomainServiceImpl.java b/src/main/java/com/project/task/domain/service/impl/DeleteTaskDomainServiceImpl.java
index 83cd3ea..508a103 100644
--- a/src/main/java/com/project/task/domain/service/impl/DeleteTaskDomainServiceImpl.java
+++ b/src/main/java/com/project/task/domain/service/impl/DeleteTaskDomainServiceImpl.java
@@ -2,12 +2,15 @@ package com.project.task.domain.service.impl;
 
 import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.date.DateUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.project.base.domain.enums.StatusEnum;
 import com.project.base.domain.exception.BusinessErrorException;
 import com.project.base.domain.result.Result;
 import com.project.task.domain.entity.TaskEntity;
+import com.project.task.domain.entity.TaskUserEntity;
 import com.project.task.domain.service.DeleteTaskDomainService;
 import com.project.task.domain.service.TaskBaseService;
+import com.project.task.domain.service.TaskUserBaseService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
@@ -18,6 +21,9 @@ import java.util.List;
 public class DeleteTaskDomainServiceImpl implements DeleteTaskDomainService {
     @Autowired
     private TaskBaseService taskBaseService;
+
+    @Autowired
+    private TaskUserBaseService taskUserBaseService;
     @Override
     public Result<String> batchDelete(List<Long> ids) throws Exception {
         if (CollUtil.isEmpty(ids)) {
@@ -38,6 +44,13 @@ public class DeleteTaskDomainServiceImpl implements DeleteTaskDomainService {
             throw new BusinessErrorException("任务不存在或已被删除");
         }
         taskBaseService.removeBatchByIds(ids);
+        // 删除关联数据
+        for (Long id : ids) {
+            LambdaQueryWrapper<TaskUserEntity> queryWrapper = new LambdaQueryWrapper<>();
+            queryWrapper.eq(TaskUserEntity::getTaskId , id);
+            taskUserBaseService.remove(queryWrapper);
+        }
+
         return Result.success("删除成功");
     }
 }