diff --git a/src/main/java/com/weilab/biology/service/JobService.java b/src/main/java/com/weilab/biology/service/JobService.java
index f043bb6..d15ae37 100644
--- a/src/main/java/com/weilab/biology/service/JobService.java
+++ b/src/main/java/com/weilab/biology/service/JobService.java
@@ -229,7 +229,7 @@ public class JobService {
 
     private void sendEmail(Job job, JobStatusEnum status, String mail) {
         // 多个参数
-        String param1 = job.getRequestTime().format(DateTimeFormatter.ofPattern("yyyy_MM_dd_")) + job.getJobId();
+        String param1 = job.getRequestTime().format(DateTimeFormatter.ofPattern("yyyyMMdd")) + job.getJobId();
         String param2 = job.getJobId().toString();