M300 飞机运行 Payload程序失败

我在M300的飞机上面运行Payload程序的时候，反复打印下面的log，想问下是什么原因，我确保我的负载盒子是正常的。

[3.903][linker]-[Error]-[DjiProtocol_sdkUnpack:237) protocol frame crc32 error
[4.022][core]-[Info]-[DjiIdentityVerify_UpdatePolicy:470) Updating dji sdk policy file...
[4.023][linker]-[Warn]-[DjiCommand_SendAsyncHandle:875) Command async send retry: index = 0, retryTimes = 65535, cmdSet = 60, cmdId = 64
[5.022][core]-[Info]-[DjiIdentityVerify_UpdatePolicy:470) Updating dji sdk policy file...
[5.024][linker]-[Warn]-[DjiCommand_SendAsyncHandle:875) Command async send retry: index = 0, retryTimes = 65534, cmdSet = 60, cmdId = 64
[6.022][core]-[Info]-[DjiIdentityVerify_UpdatePolicy:470) Updating dji sdk policy file...
[6.025][linker]-[Warn]-[DjiCommand_SendAsyncHandle:875) Command async send retry: index = 0, retryTimes = 65533, cmdSet = 60, cmdId = 64
[6.903][linker]-[Error]-[DjiProtocol_sdkUnpack:237) protocol frame crc32 error
[7.023][core]-[Info]-[DjiIdentityVerify_UpdatePolicy:470) Updating dji sdk policy file...
[7.026][linker]-[Warn]-[DjiCommand_SendAsyncHandle:875) Command async send retry: index = 0, retryTimes = 65532, cmdSet = 60, cmdId = 64
[8.023][core]-[Info]-[DjiIdentityVerify_UpdatePolicy:470) Updating dji sdk policy file...
[8.027][linker]-[Warn]-[DjiCommand_SendAsyncHandle:875) Command async send retry: index = 0, retryTimes = 65531, cmdSet = 60, cmdId = 64
[8.904][linker]-[Error]-[DjiProtocol_sdkUnpack:237) protocol frame crc32 error
[9.023][core]-[Info]-[DjiIdentityVerify_UpdatePolicy:470) Updating dji sdk policy file...
[9.028][linker]-[Warn]-[DjiCommand_SendAsyncHandle:875) Command async send retry: index = 0, retryTimes = 65530, cmdSet = 60, cmdId = 64
[10.023][core]-[Info]-[DjiIdentityVerify_UpdatePolicy:470) Updating dji sdk policy file...
[10.029][linker]-[Warn]-[DjiCommand_SendAsyncHandle:875) Command async send retry: index = 0, retryTimes = 65529, cmdSet = 60, cmdId = 64
[11.023][core]-[Info]-[DjiIdentityVerify_UpdatePolicy:470) Updating dji sdk policy file...
[11.031][linker]-[Warn]-[DjiCommand_SendAsyncHandle:875) Command async send retry: index = 0, retryTimes = 65528, cmdSet = 60, cmdId = 64
[12.023][core]-[Info]-[DjiIdentityVerify_UpdatePolicy:470) Updating dji sdk policy file...
[12.032][linker]-[Warn]-[DjiCommand_SendAsyncHandle:875) Command async send retry: index = 0, retryTimes = 65527, cmdSet = 60, cmdId = 64
[13.023][core]-[Info]-[DjiIdentityVerify_UpdatePolicy:470) Updating dji sdk policy file...
[13.033][linker]-[Warn]-[DjiCommand_SendAsyncHandle:875) Command async send retry: index = 0, retryTimes = 65526, cmdSet = 60, cmdId = 64
[14.023][core]-[Info]-[DjiIdentityVerify_UpdatePolicy:470) Updating dji sdk policy file...
[14.034][linker]-[Warn]-[DjiCommand_SendAsyncHandle:875) Command async send retry: index = 0, retryTimes = 65525, cmdSet = 60, cmdId = 64
[15.023][core]-[Info]-[DjiIdentityVerify_UpdatePolicy:470) Updating dji sdk policy file...
[15.035][linker]-[Warn]-[DjiCommand_SendAsyncHandle:875) Command async send retry: index = 0, retryTimes = 65524, cmdSet = 60, cmdId = 64
[16.023][core]-[Info]-[DjiIdentityVerify_UpdatePolicy:470) Updating dji sdk policy file...
[16.036][linker]-[Warn]-[DjiCommand_SendAsyncHandle:875) Command async send retry: index = 0, retryTimes = 65523, cmdSet = 60, cmdId = 64
[17.023][core]-[Info]-[DjiIdentityVerify_UpdatePolicy:470) Updating dji sdk policy file...
[17.037][linker]-[Warn]-[DjiCommand_SendAsyncHandle:875) Command async send retry: index = 0, retryTimes = 65522, cmdSet = 60, cmdId = 64
[17.903][linker]-[Error]-[DjiProtocol_sdkUnpack:237) protocol frame crc32 error

Payload代码也没问题，之前都能正常运行。