diff --git a/escheduler-api/src/main/java/cn/escheduler/api/service/DataAnalysisService.java b/escheduler-api/src/main/java/cn/escheduler/api/service/DataAnalysisService.java
index 326474ce88..8ae57b8d27 100644
--- a/escheduler-api/src/main/java/cn/escheduler/api/service/DataAnalysisService.java
+++ b/escheduler-api/src/main/java/cn/escheduler/api/service/DataAnalysisService.java
@@ -357,7 +357,7 @@ public class DataAnalysisService {
         i = 0;
         for (String taskKillStr : tasksKillList){
             if (StringUtils.isNotEmpty(taskKillStr)){
-                String[] splits = taskKillStr.split("_");
+                String[] splits = taskKillStr.split("-");
                 if (splits.length == 2){
                     tasksKillIds[i++]=Integer.parseInt(splits[1]);
                 }