fecbbc多商户插件删除后在重新安装出现错误：
SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '/config/fecbbc/managersave' for key 'url_key' The SQL being executed was: INSERT INTO admin_url_key (name, tag, tag_sort_order, url_key, created_at, updated_at, can_delete) VALUES ('Fecbbc Config Manager Save', 'config_fecbbc_manager', 2, '/config/fecbbc/managersave', 1572925393, 1572925393, 1)