fabric项目启动时，peers加入通道失败。

Question

Fabric SDK初始化成功
通道已成功创建，
[fabsdk/fab] 2022/04/13 07:48:36 UTC - peer.(*peerEndorser).sendProposal -> ERRO process proposal failed [rpc error: code = Unavailable desc = transport is closing]
[fabsdk/fab] 2022/04/13 07:48:36 UTC - peer.(*peerEndorser).sendProposal -> ERRO process proposal failed [rpc error: code = Unavailable desc = transport is closing]
Peers加入通道失败: join channel failed: Multiple errors occurred:
SendProposal failed: Transaction processing for endorser [localhost:7151]: Endorser Client Status Code: (2) CONNECTION_FAILED. Description: dialing connection timed out [localhost:7151]
SendProposal failed: Transaction processing for endorser [localhost:7051]: Endorser Client Status Code: (2) CONNECTION_FAILED. Description: dialing connection timed out [localhost:7051]

这是什么情况啊。