# \[定时提取] 显示正常但无问题的屏幕。

<figure><img src="/files/71ecc864181baf66d194b3504a981e72e3b32b23" alt=""><figcaption></figcaption></figure>

本帮助指南适用于在任务中**已设置重复提取**的定时功能，**之前成功提取的页面**突然提取失败的情况。在错误截图中，**即使目标页面看起来正常**，如果未收集到数据，这意味着**初始设置时指定的数据位置（结构）已更改，或该区域不再存在**。在这种情况下，我们建议重新选择该页面上的数据并将其注册为新任务。

<figure><img src="/files/970febd61ca7f9283f8d7bdda2834ebb0fb40bd2" alt=""><figcaption></figcaption></figure>

#### ✅ 解决方案 <a href="#solution" id="solution"></a>

**下面描述的选择方法并非适用于所有情况的建议**。本指南是**当现有提取失败时**提高新任务成功率的参考提示。对于结构简单的网站，选择多个详细区域仍然可以正常收集数据。

* 访问页面，**重新选择数据并提取**。如果您想使用部件选择指定区域进行提取，选择稍高的元素（更大的区域）可以减少重复提取时失败的机会。

<figure><img src="/files/616507a971edd0ca1b4a586d6b6b5424874fc090" alt=""><figcaption></figcaption></figure>

{% hint style="success" %}
**如果尝试了所有建议的方法后问题仍然存在，请通过** [**hello@listly.io**](mailto:hello@listly.io) **联系我们。我们将在准确诊断原因后帮助您解决问题。**
{% endhint %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://help.listly.io/docs/zh-hans/support/solutions-by-extraction-failure-message/ding-shi-ti-qu-xian-shi-zheng-chang-dan-wu-wen-ti-de-ping-mu.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.