diff --git a/src/main/java/com/ycwl/basic/service/task/impl/TaskFaceServiceImpl.java b/src/main/java/com/ycwl/basic/service/task/impl/TaskFaceServiceImpl.java
index 1b97b4d..e160b44 100644
--- a/src/main/java/com/ycwl/basic/service/task/impl/TaskFaceServiceImpl.java
+++ b/src/main/java/com/ycwl/basic/service/task/impl/TaskFaceServiceImpl.java
@@ -372,18 +372,13 @@ public class TaskFaceServiceImpl implements TaskFaceService {
 
 
     private static final String DATE_FORMAT="yyyyMMddHHmmss";
+    private static final SimpleDateFormat sdf = new SimpleDateFormat(DATE_FORMAT);;
 
     public static String generateEntityId(FaceSampleEntity entity) {
-        SimpleDateFormat sdf = new SimpleDateFormat(DATE_FORMAT);
-        Random random = new Random();
-        int randomNumber = random.nextInt(900) + 100;
-        return entity.getDeviceId().toString() + "_" + sdf.format(entity.getCreateAt()) + randomNumber;
+        return entity.getId().toString() + "_" + sdf.format(entity.getCreateAt());
     }
     public static String generateEntityId(FaceSampleRespVO entity) {
-        SimpleDateFormat sdf = new SimpleDateFormat(DATE_FORMAT);
-        Random random = new Random();
-        int randomNumber = random.nextInt(900) + 100;
-        return entity.getDeviceId().toString() + "_" + sdf.format(entity.getCreateAt()) + randomNumber;
+        return entity.getId().toString() + "_" + sdf.format(entity.getCreateAt());
     }
 
     public String getFaceUrl(Long faceId) {