diff --git a/muyu-quest-server/src/main/java/com/muyu/quest/job/TaskJob.java b/muyu-quest-server/src/main/java/com/muyu/quest/job/TaskJob.java
index 43e3617..def6c61 100644
--- a/muyu-quest-server/src/main/java/com/muyu/quest/job/TaskJob.java
+++ b/muyu-quest-server/src/main/java/com/muyu/quest/job/TaskJob.java
@@ -22,6 +22,8 @@ import org.springframework.stereotype.Component;
 
 import javax.annotation.Resource;
 import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
 
 /**
  * @Author: 胡杨
@@ -49,27 +51,27 @@ public class TaskJob {
         List<NodeDisposition> dispositions = nodeDispositionService.selectNodeDispositionList(new NodeDisposition());
 
         // 查询节点表存在但任务表不存在的任务编码
-        List<String> notContainsTaskCodeList = nodes.
+        Set<String> notContainsTaskCodeList = nodes.
                 stream().
                 map(Node::getTaskCode).
                 filter(nodeTaskCode -> !tasks.
                         stream().
                         map(TaskResp::getTaskCode).
                         toList().contains(nodeTaskCode)).
-                toList();
+                collect(Collectors.toSet());
         // 删除相关节点表数据
         if (!notContainsTaskCodeList.isEmpty()) {
             nodeService.batchDelect(notContainsTaskCodeList.toArray(new String[0]));
         }
         // 查询配置表存在但节点表不存在的节点编码
-        List<String> notContainsNodeCodeList = dispositions.
+        Set<String> notContainsNodeCodeList = dispositions.
                 stream().
                 map(NodeDisposition::getNodeCode).
                 filter(nodeDispositionNodeCode -> !nodes.
                         stream().
                         map(Node::getNodeCode).
                         toList().contains(nodeDispositionNodeCode)).
-                toList();
+                collect(Collectors.toSet());
         // 删除相关配置表数据
         if (!notContainsNodeCodeList.isEmpty()) {
             nodeDispositionService.batchDelect(notContainsNodeCodeList.toArray(new String[0]));