diff --git a/fast_api/routes/inbox_mail.py b/fast_api/routes/inbox_mail.py
index 5f50b0c1..6c897263 100644
--- a/fast_api/routes/inbox_mail.py
+++ b/fast_api/routes/inbox_mail.py
@@ -6,7 +6,6 @@
 )
 from controller.inbox_mail import manager as inbox_mail_manager
 from submodules.model.global_objects import inbox_mail as inbox_mail_go
-from submodules.model.business_objects import user
 from fastapi import APIRouter, HTTPException, Request
 from fast_api.routes.client_response import (
     get_silent_success,
@@ -131,7 +130,6 @@ def delete_inbox_mail_by_id(request: Request, mail_id: str):
 
 @router.get("/new")
 def has_new_inbox_mails(request: Request):
-
     user_is_admin = auth_manager.check_is_admin(request)
     user = auth_manager.get_user_by_info(request.state.info)
 
@@ -145,3 +143,33 @@ def has_new_inbox_mails(request: Request):
             "totalNewInboxMails": total_new_inbox_mails,
         }
     )
+
+
+@router.put("/thread/{thread_id}/unread/project")
+def update_inbox_mail_threads_unread_by_project(request: Request, thread_id: str):
+    user_is_admin = auth_manager.check_is_admin(request)
+    if not user_is_admin:
+        raise HTTPException(status_code=403, detail="Not authorized")
+    inbox_mail_thread = inbox_mail_go.get_inbox_mail_thread_by_id(thread_id=thread_id)
+    if not inbox_mail_thread:
+        raise HTTPException(status_code=404, detail="Thread not found")
+
+    inbox_mail_go.update_system_support_threads_read_by_threads_project(
+        thread_id=thread_id
+    )
+    return get_silent_success()
+
+
+@router.put("/thread/{thread_id}/unread/content")
+def update_inbox_mail_threads_unread_by_content(request: Request, thread_id: str):
+    user_is_admin = auth_manager.check_is_admin(request)
+    if not user_is_admin:
+        raise HTTPException(status_code=403, detail="Not authorized")
+    inbox_mail_thread = inbox_mail_go.get_inbox_mail_thread_by_id(thread_id=thread_id)
+    if not inbox_mail_thread:
+        raise HTTPException(status_code=404, detail="Thread not found")
+
+    inbox_mail_go.update_system_support_threads_read_by_threads_content(
+        thread_id=thread_id
+    )
+    return get_silent_success()
diff --git a/submodules/model b/submodules/model
index 105e7c78..1b4fda1f 160000
--- a/submodules/model
+++ b/submodules/model
@@ -1 +1 @@
-Subproject commit 105e7c784adc2e76009e31ad4a3347fd115832bc
+Subproject commit 1b4fda1f114a2d3209812374ee970ea2bd7ffc2e