diff --git a/astrbot/core/backup/constants.py b/astrbot/core/backup/constants.py
index b45b702e7..be206b307 100644
--- a/astrbot/core/backup/constants.py
+++ b/astrbot/core/backup/constants.py
@@ -11,6 +11,7 @@ from astrbot.core.db.po import (
     CommandConflict,
     ConversationV2,
     Persona,
+    PersonaFolder,
     PlatformMessageHistory,
     PlatformSession,
     PlatformStat,
@@ -39,6 +40,7 @@ MAIN_DB_MODELS: dict[str, type[SQLModel]] = {
     "platform_stats": PlatformStat,
     "conversations": ConversationV2,
     "personas": Persona,
+    "persona_folders": PersonaFolder,
     "preferences": Preference,
     "platform_message_history": PlatformMessageHistory,
     "platform_sessions": PlatformSession,