diff --git a/snail-job-server/snail-job-server-web/src/main/java/com/aizuda/snailjob/server/web/service/handler/JobHandler.java b/snail-job-server/snail-job-server-web/src/main/java/com/aizuda/snailjob/server/web/service/handler/JobHandler.java
index 5d868ec9e..cb0d1a828 100644
--- a/snail-job-server/snail-job-server-web/src/main/java/com/aizuda/snailjob/server/web/service/handler/JobHandler.java
+++ b/snail-job-server/snail-job-server-web/src/main/java/com/aizuda/snailjob/server/web/service/handler/JobHandler.java
@@ -50,7 +50,7 @@ public class JobHandler {
     private final JobTaskBatchMapper jobTaskBatchMapper;
     private final JobMapper jobMapper;
     private final JobTaskMapper jobTaskMapper;
-    private WorkflowTaskBatchMapper workflowTaskBatchMapper;
+    private final WorkflowTaskBatchMapper workflowTaskBatchMapper;
 
 
     public Boolean retry(Long taskBatchId) {