# 无法加载AssetBundle：CRC不匹配。预期0xABCD1234，得到0x5678EF90

- **ID:** `unity/assetbundle-crc-mismatch`
- **领域:** unity
- **类别:** io_error
- **验证级别:** ai_generated
- **修复率:** 92%

## 根因

AssetBundle文件已损坏或使用不同版本的Unity构建，导致加载时CRC检查失败。

## 版本兼容性

| 版本 | 状态 | 引入 | 弃用 |
|------|------|------|------|
| Unity 2021.3 | active | — | — |
| Unity 2022.3 | active | — | — |
| Unity 2023.1 | active | — | — |

## 解决方案

1. ```
   使用将加载它的相同Unity版本从原始资源重建AssetBundle：BuildPipeline.BuildAssetBundles(outputPath, BuildAssetBundleOptions.None, BuildTarget.StandaloneWindows64);
   ```
2. ```
   如果捆绑包来自远程服务器，请重新下载以确保完整性：使用UnityWebRequestAssetBundle.GetAssetBundle(url);
   ```

## 无效尝试

- **** — Manually editing the AssetBundle file to fix the CRC is impractical because the CRC is computed over the entire file and cannot be easily recalculated. (95% 失败率)
- **** — Disabling CRC checks entirely via AssetBundle.LoadFromFile with crc: 0 ignores corruption and may cause undefined behavior later. (60% 失败率)