{"record":{"id":"449b2ee4ae0f38b1","repo":"xpzouying/xiaohongshu-mcp","slug":"error-449b2e","errorCode":null,"errorMessage":"按下回车键失败","messagePattern":"按下回车键失败","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"xiaohongshu/publish.go","lineNumber":710,"sourceCode":"\ttime.Sleep(1 * time.Second)\n\n\tfor i := 0; i < 20; i++ {\n\t\tka, err := contentElem.KeyActions()\n\t\tif err != nil {\n\t\t\treturn errors.Wrap(err, \"创建键盘操作失败\")\n\t\t}\n\t\tif err := ka.Type(input.ArrowDown).Do(); err != nil {\n\t\t\treturn errors.Wrap(err, \"按下方向键失败\")\n\t\t}\n\t\ttime.Sleep(10 * time.Millisecond)\n\t}\n\n\tka, err := contentElem.KeyActions()\n\tif err != nil {\n\t\treturn errors.Wrap(err, \"创建键盘操作失败\")\n\t}\n\tif err := ka.Press(input.Enter).Press(input.Enter).Do(); err != nil {\n\t\treturn errors.Wrap(err, \"按下回车键失败\")\n\t}\n\n\ttime.Sleep(1 * time.Second)\n\n\tfor _, tag := range tags {\n\t\ttag = strings.TrimLeft(tag, \"#\")\n\t\tif err := inputTag(ctx, contentElem, tag); err != nil {\n\t\t\treturn errors.Wrapf(err, \"输入标签[%s]失败\", tag)\n\t\t}\n\t}\n\treturn nil\n}\n\nfunc inputTag(ctx context.Context, contentElem *rod.Element, tag string) error {\n\t// 输入 # 触发话题联想\n\tif err := humanize.Type(ctx, contentElem, \"#\"); err != nil {\n\t\treturn errors.Wrap(err, \"输入#失败\")\n\t}","sourceCodeStart":692,"sourceCodeEnd":728,"githubUrl":"https://github.com/xpzouying/xiaohongshu-mcp/blob/332d196854a9eac0d2b8c2c0e3d0cc43139d724c/xiaohongshu/publish.go#L692-L728","documentation":"This error wraps a failure to execute the double-Enter key press (ka.Press(input.Enter).Press(input.Enter).Do()) in inputTags, which inserts newlines before hashtag input. The KeyActions chain was created but dispatching the Enter keys to the browser failed — a CDP input error typically caused by page instability.","triggerScenarios":"inputTags (via submitPublish/submitPublishVideo) attempts ka.Press(input.Enter).Press(input.Enter).Do() and the browser returns an error — page navigating, crashed renderer, or dropped CDP connection.","commonSituations":"Site opened a dialog or navigated on Enter; browser under load; connection to the browser dropped mid-sequence; editor state changed making the input target invalid.","solutions":["Retry the publish flow from the start; input dispatch failures are often transient.","Check the page for popups/modals that intercept Enter and dismiss them before publishing.","Verify browser/connection stability; restart browser if crashes recur.","Use the element's input/keyboard API for a newline instead of a chained double Press if the issue persists."],"exampleFix":"// before\nif err := ka.Press(input.Enter).Press(input.Enter).Do(); err != nil {\n    return errors.Wrap(err, \"按下回车键失败\")\n}\n// after\nif err := ka.Press(input.Enter).Do(); err != nil {\n    return errors.Wrap(err, \"按下回车键失败\")\n}\ntime.Sleep(50 * time.Millisecond)\nif err := ka.Press(input.Enter).Do(); err != nil {\n    return errors.Wrap(err, \"按下回车键失败\")\n}","handlingStrategy":"retry","validationCode":"// verify the page is interactive and no modal blocks input\nif has, _, _ := page.Has(`div.modal, .dialog`); has {\n    return errors.New(\"存在弹窗，先关闭再输入\")\n}","typeGuard":null,"tryCatchPattern":"err := publisher.Publish(ctx, opts)\nif err != nil && strings.Contains(err.Error(), \"按下回车键失败\") {\n    // transient CDP input failure: retry once\n    time.Sleep(time.Second)\n    err = publisher.Publish(ctx, opts)\n}","preventionTips":["Dismiss popups before the keyboard sequence","Press keys one at a time instead of chained presses","Watch CDP connection stability on long flows","Avoid triggering site shortcuts with Enter"],"tags":["keyboard-input","cdp","enter-key","browser-automation","xiaohongshu"],"backgroundTag":"keyboard-event-dispatch-failed","analyzedSha":"332d196854a9eac0d2b8c2c0e3d0cc43139d724c","analyzedAt":"2026-09-05T22:22:55.988Z","contentChangedAt":"2026-09-05T22:22:55.988Z","schemaVersion":2},"datasetVersion":"2026-09-14T00:17:10.932Z"}