diff --git a/ruoyi-activiti/src/main/java/com/ruoyi/process/todoitem/mapper/BizTodoItemMapper.java b/ruoyi-activiti/src/main/java/com/ruoyi/process/todoitem/mapper/BizTodoItemMapper.java
index 99cb42f6..a5acb27c 100644
--- a/ruoyi-activiti/src/main/java/com/ruoyi/process/todoitem/mapper/BizTodoItemMapper.java
+++ b/ruoyi-activiti/src/main/java/com/ruoyi/process/todoitem/mapper/BizTodoItemMapper.java
@@ -66,18 +66,18 @@ public interface BizTodoItemMapper {
     public long getTodoItemTotal(Map<String, Object> paraMap);
     public String getCurrentFlowUser(Map<String, Object> paraMap);
     public String getCurrentNodeName(Map<String, Object> paraMap);
-    public List<BizTodoItem> selectTodoItemByTaskId(@Param(value = "taskId")String taskId,@Param(value = "isHandle")String isHandle);
+    public List<BizTodoItem> selectTodoItemByTaskId(@Param(value = "taskId")String taskId, @Param(value = "isHandle")String isHandle);
     public String selectTodoItemTaskId(@Param(value = "instanceId")String instanceId,@Param(value = "todoUserId")String todoUserId,@Param(value = "isHandle")String isHandle);
     
     public List<BizTodoItem> getTodoItemListNoPaging(Map<String, Object> paraMap);
 
-    @Select("SELECT USER_ID_ FROM ACT_ID_MEMBERSHIP WHERE GROUP_ID_ in (SELECT GROUP_ID_ FROM ACT_RU_IDENTITYLINK WHERE TASK_ID_ = #{taskId})")
+    @Select("SELECT USER_ID_ FROM ACT_ID_MEMBERSHIP WHERE GROUP_ID_ =  (SELECT GROUP_ID_ FROM ACT_RU_IDENTITYLINK WHERE TASK_ID_ = #{taskId})")
     List<String> selectTodoUserListByTaskId(@Param(value = "taskId") String taskId);
 
     @Select("SELECT * FROM BIZ_TODO_ITEM WHERE TASK_ID = #{taskId} AND TODO_USER_ID = #{todoUserId}")
     BizTodoItem selectTodoItemByCondition(@Param(value = "taskId") String taskId, @Param(value = "todoUserId") String todoUserId);
 
-    @Select("SELECT USER_ID_ FROM ACT_ID_MEMBERSHIP WHERE USER_ID_ in (SELECT USER_ID_ FROM ACT_RU_IDENTITYLINK WHERE TASK_ID_ = #{taskId})")
+    @Select("SELECT USER_ID_ FROM ACT_ID_MEMBERSHIP WHERE USER_ID_ = (SELECT USER_ID_ FROM ACT_RU_IDENTITYLINK WHERE TASK_ID_ = #{taskId}) limit 1")
     String selectTodoUserByTaskId(String id);
 
     /**
diff --git a/ruoyi-activiti/src/main/java/com/ruoyi/process/todoitem/service/impl/BizTodoItemServiceImpl.java b/ruoyi-activiti/src/main/java/com/ruoyi/process/todoitem/service/impl/BizTodoItemServiceImpl.java
index b9187556..8fca4aa3 100644
--- a/ruoyi-activiti/src/main/java/com/ruoyi/process/todoitem/service/impl/BizTodoItemServiceImpl.java
+++ b/ruoyi-activiti/src/main/java/com/ruoyi/process/todoitem/service/impl/BizTodoItemServiceImpl.java
@@ -11,7 +11,6 @@ import com.ruoyi.process.todoitem.mapper.BizTodoItemMapper;
 import com.ruoyi.process.todoitem.service.IBizTodoItemService;
 import com.ruoyi.system.mapper.SysUserMapper;
 import org.activiti.engine.TaskService;
-import org.activiti.engine.impl.util.CollectionUtil;
 import org.activiti.engine.task.Task;
 import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -19,7 +18,6 @@ import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.CollectionUtils;
 
-import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 
@@ -222,7 +220,7 @@ public class BizTodoItemServiceImpl implements IBizTodoItemService {
 
             // todoitem 去重
             List<BizTodoItem> bizTodoItem = bizTodoItemMapper.selectTodoItemByTaskId(task.getId(),"0");
-            if (!CollectionUtils.isEmpty(bizTodoItem)) continue;
+            if (bizTodoItem != null) continue;
 
             BizTodoItem newItem = new BizTodoItem();
             BeanUtils.copyProperties(todoItem, newItem);