DROP TABLE IF EXISTS `b_im_chat`;
DROP TABLE IF EXISTS `b_im_chat_index`;
DROP TABLE IF EXISTS `b_im_message`;
DROP TABLE IF EXISTS `b_im_message_index`;
DROP TABLE IF EXISTS `b_im_message_param`;
DROP TABLE IF EXISTS `b_im_message_favorite`;
DROP TABLE IF EXISTS `b_im_status`;
DROP TABLE IF EXISTS `b_im_relation`;
DROP TABLE IF EXISTS `b_im_recent`;
DROP TABLE IF EXISTS `b_im_last_search`;
DROP TABLE IF EXISTS `b_im_bot`;
DROP TABLE IF EXISTS `b_im_bot_chat`;
DROP TABLE IF EXISTS `b_im_bot_token`;
DROP TABLE IF EXISTS `b_im_command`;
DROP TABLE IF EXISTS `b_im_command_lang`;
DROP TABLE IF EXISTS `b_im_app`;
DROP TABLE IF EXISTS `b_im_app_lang`;
DROP TABLE IF EXISTS `b_im_alias`;
DROP TABLE IF EXISTS `b_im_external_avatar`;
DROP TABLE IF EXISTS `b_im_no_relation_permission_disk`;
DROP TABLE IF EXISTS `b_im_call`;
DROP TABLE IF EXISTS `b_im_call_user`;
DROP TABLE IF EXISTS `b_im_permission`;
DROP TABLE IF EXISTS `b_im_permission_duration`;
DROP TABLE IF EXISTS `b_im_permission_log`;
DROP TABLE IF EXISTS `b_im_block_user`;
DROP TABLE IF EXISTS `b_im_conference`;
DROP TABLE IF EXISTS `b_im_conference_user_role`;
DROP TABLE IF EXISTS `b_im_option_group`;
DROP TABLE IF EXISTS `b_im_option_state`;
DROP TABLE IF EXISTS `b_im_option_access`;
DROP TABLE IF EXISTS `b_im_option_user`;
DROP TABLE IF EXISTS `b_im_message_uuid`;
DROP TABLE IF EXISTS `b_im_message_viewed`;
DROP TABLE IF EXISTS `b_im_message_unread`;
DROP TABLE IF EXISTS `b_im_link_url`;
DROP TABLE IF EXISTS `b_im_link_url_index`;
DROP TABLE IF EXISTS `b_im_link_file`;
DROP TABLE IF EXISTS `b_im_link_task`;
DROP TABLE IF EXISTS `b_im_link_favorite`;
DROP TABLE IF EXISTS `b_im_link_pin`;
DROP TABLE IF EXISTS `b_im_link_calendar`;
DROP TABLE IF EXISTS `b_im_link_calendar_index`;
DROP TABLE IF EXISTS `b_im_link_reminder`;
DROP TABLE IF EXISTS `b_im_file_temporary`;
DROP TABLE IF EXISTS `b_im_reaction`;