# 更新 Metadata

{% hint style="warning" %}
OpenSea 與其他常見的二級市場或錢包，經常會快取（Cache）Metadata 資料與其圖片，以加快在二級市場或錢包中的讀取速度。因此一但你更新了 Metadata，便需要自行到 OpenSea 等二級市場或是錢包中執行 Refresh，確保其重新獲取鏈上的 Metadata 資料。\
\
當你要更新 Metadata 前，請務必考量 Refresh 的必要性，最好的方法是在部署智能合約與鑄造 NFT 前確認資料無誤，減少更新 Metadata 的需要。
{% endhint %}


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