# 【交易員】帶單失敗的情況

 交易員與跟單者僅支援 **雙向持倉模式**。

若交易員使用 **單向持倉模式**，而跟單者使用 **雙向持倉模式**，則交易員帶單失敗；反之亦然。

1. 在 OKX 交易所開啟 **「交易設定」**。

    

   <figure><img src="/files/R0MTs4AlZe0udquT1JR6" alt="" width="375"><figcaption></figcaption></figure>
2. 點擊 **「倉位模式」**。

   <figure><img src="/files/94zvUy47gMgZtbmAcl3C" alt="" width="375"><figcaption></figcaption></figure>
3. 選擇 **「雙向持倉」**。

<figure><img src="/files/6oGHEDO80QmzgJSBXNSI" alt="" width="375"><figcaption></figcaption></figure>

**註：** 如未切換至雙向持倉模式，將導致您無法正常帶單或跟單。

<figure><img src="/files/GmNeXVuUDf1FlQ1qXcOO" alt="" width="245"><figcaption></figcaption></figure>

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