diff --git a/src/main/java/com/dl/officialsite/team/TeamService.java b/src/main/java/com/dl/officialsite/team/TeamService.java
index eec8f971..bd752559 100644
--- a/src/main/java/com/dl/officialsite/team/TeamService.java
+++ b/src/main/java/com/dl/officialsite/team/TeamService.java
@@ -91,6 +91,7 @@ public javax.persistence.criteria.Predicate toPredicate(
         return teamsMembersVos;
     }
 
+    @Transactional(rollbackOn = Exception.class)
     public void join(TeamMemberJoinVO teamMember) {
         Member member = memberRepository.findById(teamMember.getMemberId()).get();
 /*        if (ObjectUtils.isEmpty(member.getTelegramId()) || ObjectUtils.isEmpty(
diff --git a/src/main/resources/application-template.yml b/src/main/resources/application-template.yml
index 8ea78759..ee0a2d46 100644
--- a/src/main/resources/application-template.yml
+++ b/src/main/resources/application-template.yml
@@ -29,8 +29,6 @@ spring:
           auth: true
           ssl:
             enable: true
-          starttls:
-            enable: true
   session:
     store-type: jdbc
     jdbc:
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index eba42cd1..27b36891 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -29,8 +29,6 @@ spring:
           auth: true
           ssl:
             enable: true
-          starttls:
-            enable: true
   session:
     store-type: jdbc
     jdbc: