diff --git a/manager/src/main/java/org/jiayunet/service/JobCleanService.java b/manager/src/main/java/org/jiayunet/service/JobCleanService.java
index f6cdde9..a77ab6e 100644
--- a/manager/src/main/java/org/jiayunet/service/JobCleanService.java
+++ b/manager/src/main/java/org/jiayunet/service/JobCleanService.java
@@ -248,7 +248,7 @@ public class JobCleanService {
             if (arrayNode.isArray()) {
                 for (JsonNode node : arrayNode) {
                     long id = node.asLong(0);
-                    if (id > 0 && validIds.contains(id)) {
+                    if (id > 0 && validIds.contains(id) && !result.contains(id)) {
                         result.add(id);
                     }
                 }