这是利用海外服务器做出的log记录，我们可以很清楚的看到请求的变化情况

此处记录仅作为存档，置信度请自行判断，不作为任何事件分析的直接依据

以下log记录于2026.3.13

追踪记录

sakura@Debian:~$ wget https://download.unity3d.com/download_unity/4016570cf34f/Windows64EditorInstaller/UnitySetup64-2021.3.16f1.exe
--2026-03-12 23:57:43--  https://download.unity3d.com/download_unity/4016570cf34f/Windows64EditorInstaller/UnitySetup64-2021.3.16f1.exe
Resolving download.unity3d.com (download.unity3d.com)... 23.60.96.233, 23.43.50.13, 2600:1417:4400:10::1731:6837, ...
Connecting to download.unity3d.com (download.unity3d.com)|23.60.96.233|:443... connected.
HTTP request sent, awaiting response... 302 Moved Temporarily
Location: https://download.unitychina.cn/download_unity/4016570cf34f/Windows64EditorInstaller/UnitySetup64-2021.3.16f1.exe [following]
--2026-03-12 23:57:43--  https://download.unitychina.cn/download_unity/4016570cf34f/Windows64EditorInstaller/UnitySetup64-2021.3.16f1.exe
Resolving download.unitychina.cn (download.unitychina.cn)... 116.153.76.58
Connecting to download.unitychina.cn (download.unitychina.cn)|116.153.76.58|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 2441942336 (2.3G) [application/x-ms-dos-executable]
Saving to: ‘UnitySetup64-2021.3.16f1.exe’

UnitySetup64-2021.3.16f1.exe                              0%[                                                                                                                              ]   3.48M  3.38MB/s

Azure, Microsoft Data Center, Hong Kong SAR, China

此处我们可以看到Unity将请求从download.unity3d.com使用302重定向回到了download.unitychina.cn

---

root@instance:~# wget https://download.unity3d.com/download_unity/4016570cf34f/Windows64EditorInstaller/UnitySetup64-2021.3.16f1.exe
--2026-03-13 00:07:08--  https://download.unity3d.com/download_unity/4016570cf34f/Windows64EditorInstaller/UnitySetup64-2021.3.16f1.exe
Resolving download.unity3d.com (download.unity3d.com)... 23.220.73.210, 23.220.73.163, 2600:1405:8400:e::173e:e2ed, ...
Connecting to download.unity3d.com (download.unity3d.com)|23.220.73.210|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 2424305752 (2.3G) [application/x-msdos-program]
Saving to: ‘UnitySetup64-2021.3.16f1.exe’

UnitySetup64-2021.3.16f1.exe              100%[====================================================================================>]   2.26G  28.7MB/s    in 93s

2026-03-13 00:08:42 (24.9 MB/s) - ‘UnitySetup64-2021.3.16f1.exe’ saved [2424305752/2424305752]

Oracle Data Center, Phoenix, AZ, USA

而对于美国的这台服务器来说，请求从始至终都是在download.unity3d.com，没有经过任何的302重定向

附言

考虑到Unity在国内毕竟已经单独分了个团结引擎出来，搞点小动作还是正常的

只不过对于咱们这些必须用Unity的开发的群体来说，这就有点难受了，有些坑也必须要小心一些

unity china看起来也不是替换了所有的安装包，但今后出于稳妥考虑还是应该优先使用别的渠道分发的离线包比较好

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