[Bug] Document tag retrieval

[armored-glitch]

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MaxKB Version

最新版

Problem Description

Steps to Reproduce

The expected correct result

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Related log output

Additional Information

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[Shenguobin0102]

你好，如果用下拉组件的话，请选择单选框，不要用多选框，多选框对应的数据结构是一个列表（list）

[shaohuzhang1]

Bot detected the issue body's language is not English, translate it automatically. 👯👭🏻🧑‍🤝‍🧑👫🧑🏿‍🤝‍🧑🏻👩🏾‍🤝‍👨🏿👬🏿

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Hello, if you use a drop-down component, please select the radio button instead of the multi-select box. The data structure corresponding to the multi-select box is a list.