diff --git a/youchain-system/src/main/java/com/youchain/appupdate/service/impl/NioF3AppServiceImpl.java b/youchain-system/src/main/java/com/youchain/appupdate/service/impl/NioF3AppServiceImpl.java
index d282ff7..166933d 100644
--- a/youchain-system/src/main/java/com/youchain/appupdate/service/impl/NioF3AppServiceImpl.java
+++ b/youchain-system/src/main/java/com/youchain/appupdate/service/impl/NioF3AppServiceImpl.java
@@ -21,10 +21,7 @@ import org.apache.commons.lang3.StringUtils;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
-import java.util.HashSet;
-import java.util.List;
-import java.util.Objects;
-import java.util.Set;
+import java.util.*;
 import java.util.stream.Collectors;
 
 @Slf4j
@@ -37,33 +34,29 @@ public class NioF3AppServiceImpl implements NioF3AppService {
     private final AgvTaskService agvTaskService;
     private final KMReService kmReService;
 
+
     @Override
     @Transactional(rollbackFor = Exception.class)
     public void bindSmallItemPicking(BindSmall bindSmall) {
-        //验证参数
+        // 验证参数
         validateParams(bindSmall);
 
-        //验证Les任务
+        // 验证Les任务
         List<Les> lesList = validateLes(bindSmall.getSrcPositionCode(), bindSmall.getOnlineNo());
         List<Long> lesIds = lesList.stream().map(Les::getId).collect(Collectors.toList());
 
-        //验证起点是否有Agv任务
-        validateAgvTask(bindSmall.getSrcPositionCode());
-
-        //获取目标点位
+        // 获取目标点位
         String endPointCode = getEndPointCode(lesList);
-
-        // 4. 仅对关键更新操作加锁
-        String lockKey = bindSmall.getSrcPositionCode().intern();
         AgvTask agvTask;
-        synchronized (lockKey) {
-            //生成Agv任务
+        synchronized (bindSmall.getSrcPositionCode().intern()) {
+            // 验证起点是否有Agv任务
+            validateAgvTask(bindSmall.getSrcPositionCode());
+            // 生成任务
             agvTask = agvTaskService.createAgvTask(BizStatus.OPEN, null, bindSmall.getSrcPositionCode(), endPointCode, "TUGGER");
-            //绑定任务
+            // 绑定任务
             bindLesAgvTask(agvTask.getId(), lesIds);
         }
-
-        //下发任务
+        // 下发任务
         kmReService.sendAgvTask(agvTask, kmReService.sendAgvTaskQYCJson(agvTask, bindSmall.getShooter(), null));
     }
 
@@ -100,8 +93,8 @@ public class NioF3AppServiceImpl implements NioF3AppService {
     }
 
     private void validateAgvTask(String pointCode) {
-        Boolean bool = agvTaskService.findByStartSlotCode(pointCode, "MOVE", "TUGGER");
-        if (bool) {
+        Long taskCount = agvTaskService.findByStartSlotCode(pointCode, "MOVE", "TUGGER");
+        if (taskCount > 0) {
             throw new BadRequestException(pointCode + "点位有任务，请勿重复下发");
         }
     }
@@ -135,20 +128,16 @@ public class NioF3AppServiceImpl implements NioF3AppService {
         //验证料箱号
         validateBoxNos(lesList, boxNos);
 
-        //验证起点是否有Agv任务
-        validateAgvTask(bindLarge.getSrcPositionCode());
-
         //获取目标点位
         String endPointCode = getEndPointCode(lesList);
 
-        // 4. 仅对关键更新操作加锁
-        String lockKey = bindLarge.getSrcPositionCode().intern();
         AgvTask agvTask;
-        synchronized (lockKey) {
-            //生成Agv任务
+        synchronized (bindLarge.getSrcPositionCode().intern()) {
+            // 验证起点是否有Agv任务
+            validateAgvTask(bindLarge.getSrcPositionCode());
+            // 生成任务
             agvTask = agvTaskService.createAgvTask(BizStatus.OPEN, null, bindLarge.getSrcPositionCode(), endPointCode, "TUGGER");
-
-            //绑定任务
+            // 绑定任务
             bindLesAgvTask(agvTask.getId(), lesIds);
         }
 
diff --git a/youchain-system/src/main/java/com/youchain/businessdata/repository/AgvTaskRepository.java b/youchain-system/src/main/java/com/youchain/businessdata/repository/AgvTaskRepository.java
index a375b27..a070a46 100644
--- a/youchain-system/src/main/java/com/youchain/businessdata/repository/AgvTaskRepository.java
+++ b/youchain-system/src/main/java/com/youchain/businessdata/repository/AgvTaskRepository.java
@@ -42,6 +42,5 @@ public interface AgvTaskRepository extends JpaRepository<AgvTask, Long>, JpaSpec
 
 
     @Query(value = "select count(agv.id) from AgvTask agv where agv.endSlotCode=:endSlotCode and agv.type=:type and agv.jobType=:jobType and agv.status in ('OPEN','ATCALL','UP_CONTAINER')  ")
-    @Lock(LockModeType.PESSIMISTIC_WRITE)
     Long findByEndSlotCode(String endSlotCode, String type, String jobType);
 }
diff --git a/youchain-system/src/main/java/com/youchain/businessdata/service/AgvTaskService.java b/youchain-system/src/main/java/com/youchain/businessdata/service/AgvTaskService.java
index 399a239..4c9b68c 100644
--- a/youchain-system/src/main/java/com/youchain/businessdata/service/AgvTaskService.java
+++ b/youchain-system/src/main/java/com/youchain/businessdata/service/AgvTaskService.java
@@ -115,7 +115,7 @@ public interface AgvTaskService {
      * @param type          任务类型
      * @param jobType       作业类型
      */
-    Boolean findByStartSlotCode(String startSlotCode, String type, String jobType);
+    Long findByStartSlotCode(String startSlotCode, String type, String jobType);
 
     /**
      * 根据终点查询是否有重复任务
diff --git a/youchain-system/src/main/java/com/youchain/businessdata/service/impl/AgvTaskServiceImpl.java b/youchain-system/src/main/java/com/youchain/businessdata/service/impl/AgvTaskServiceImpl.java
index c412921..3cae0a8 100644
--- a/youchain-system/src/main/java/com/youchain/businessdata/service/impl/AgvTaskServiceImpl.java
+++ b/youchain-system/src/main/java/com/youchain/businessdata/service/impl/AgvTaskServiceImpl.java
@@ -18,6 +18,7 @@ package com.youchain.businessdata.service.impl;
 import com.youchain.basicdata.domain.Stock;
 import com.youchain.businessdata.domain.*;
 import com.youchain.businessdata.service.*;
+import com.youchain.exception.BadRequestException;
 import com.youchain.utils.*;
 import com.youchain.businessdata.repository.AgvTaskRepository;
 import com.youchain.businessdata.service.dto.AgvTaskDto;
@@ -143,8 +144,8 @@ public class AgvTaskServiceImpl implements AgvTaskService {
     }
 
     @Override
-    public Boolean findByStartSlotCode(String startSlotCode, String type, String jobType) {
-        return agvTaskRepository.findByStartSlotCode(startSlotCode, type, jobType)>0;
+    public Long findByStartSlotCode(String startSlotCode, String type, String jobType) {
+        return agvTaskRepository.findByStartSlotCode(startSlotCode, type, jobType);
     }
 
     @Override