Update scripts/backup_to_dataset.py

scripts/backup_to_dataset.py

@@ -24,8 +24,8 @@ def export_db_to_json(db_path, temp_dir):
     conn = sqlite3.connect(db_path)
     cursor = conn.cursor()
     
-    # 获取所有表名
-    cursor.execute("SELECT name FROM sqlite_master WHERE type='table';")
+    # 获取所有用户表，排除系统表
+    cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name NOT LIKE 'sqlite_%'")
     tables = cursor.fetchall()
     
     exported_files = []