diff --git a/src/main/kotlin/com/restapi/domain/db.kt b/src/main/kotlin/com/restapi/domain/db.kt
index 5c91bbf..28b1823 100644
--- a/src/main/kotlin/com/restapi/domain/db.kt
+++ b/src/main/kotlin/com/restapi/domain/db.kt
@@ -216,7 +216,7 @@ object Session {
         val s = database
             .sqlQuery("SELECT nextval('${seqName(entity)}');")
             .findOne()?.getLong("nextval") ?: throw DataNotFoundException
-        return "$entity-${"$s".padStart(10, '0')}"
+        return "$entity-${"$s".padStart(6, '0')}"
     }
 
     val redisUri = appConfig.redisUri().getOrDefault("redis://localhost:6379/0")