diff --git a/lms/nladmin-system/src/main/java/org/nl/wms/sch/manage/AutoCreateTask.java b/lms/nladmin-system/src/main/java/org/nl/wms/sch/manage/AutoCreateTask.java
index 489df89..60ed206 100644
--- a/lms/nladmin-system/src/main/java/org/nl/wms/sch/manage/AutoCreateTask.java
+++ b/lms/nladmin-system/src/main/java/org/nl/wms/sch/manage/AutoCreateTask.java
@@ -12,6 +12,8 @@ import org.nl.modules.wql.core.bean.WQLObject;
 import org.nl.modules.wql.util.SpringContextHolder;
 import org.nl.wms.sch.AcsUtil;
 import org.nl.wms.sch.task.AcsTaskDTO;
+import org.redisson.api.RLock;
+import org.redisson.api.RedissonClient;
 import org.reflections.Reflections;
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
@@ -19,12 +21,12 @@ import org.springframework.transaction.annotation.Transactional;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
+import java.util.concurrent.TimeUnit;
 
 @Slf4j
 @Component("autoCreateTask")
 public class AutoCreateTask {
     // 下发acs的任务集合
-    private List<AcsTaskDTO> taskList = null;
     private Set<Class<? extends AbstractAcsTask>> subTypes = null;
 
     WQLObject taskTab = null;
@@ -36,13 +38,27 @@ public class AutoCreateTask {
             subTypes = reflections.getSubTypesOf(AbstractAcsTask.class);
         }
         if (ObjectUtil.isNull(taskTab)) taskTab = WQLObject.getWQLObject("sch_base_task");
-        taskList = new ArrayList<>();
 
-        this.doExecute();
+        RLock lock = SpringContextHolder.getBean(RedissonClient.class).getFairLock("autoCreateTask");
+        boolean try_lock = false;
+        try {
+            try_lock = lock.tryLock(0, TimeUnit.SECONDS);
+            if (try_lock) {
+                this.doExecute();
+            }
+        } catch (Exception e) {
+            log.error("auto create task error !", e);
+        } finally {
+            if (try_lock) {
+                lock.unlock();
+            }
+        }
     }
 
 
     private void doExecute() {
+        ArrayList<AcsTaskDTO> taskList = new ArrayList<>();
+
         subTypes.forEach(clz -> {
             // 调用AbstractAcsTask类的每个子类的schedule()方法
             try {