你好，
建议你可以尝试通过修改注册表来修改这个设置。
将注册表中位于
HKLM\SYSTEM\CurrentControlSet\Services\WebClient\Parameters\FileSizeLimitInBytes
处的键值由 50,000,000 (50MB) 修改为更大的数值。最大修改为：4294967295（0xffffffff）字节。
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