Function _notifyToolOpenFailure

apps/background/background.js:120–128

(tool, error)

    };

    let _notifyToolOpenFailure = function (tool, error) {
        let message = `打开「${tool || '工具'}」失败：${(error && error.message) || error || '请重新点击插件图标后再试'}`;
        console.error('[FeHelper] DynamicToolRunner failed:', message, error);
        notifyText({
            title: '工具打开失败',
            message,
            autoClose: 5000
        });
    };

    // 像页面注入css脚本
    let _injectContentCss = function(tabId,toolName,isDevTool){