diff --git a/go.mod b/go.mod
index 82d0b1d..0c098ef 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module gitlink.org.cn/jcce-pcm/pcm-participant-openstack
 
-go 1.19
+go 1.21
 
 require (
 	github.com/prometheus/client_golang v1.17.0
diff --git a/pb/pcm-openstack.proto b/pb/pcm-openstack.proto
index cadb6a7..76f6588 100644
--- a/pb/pcm-openstack.proto
+++ b/pb/pcm-openstack.proto
@@ -4136,7 +4136,7 @@ service Openstack {
   rpc ResizeServer(ResizeServerReq) returns (ResizeServerResp);//调整大小
   rpc MigrateServer(MigrateServerReq) returns (MigrateServerResp);//迁移
   rpc ShelveServer(ShelveServerReq) returns (ShelveServerResp);//搁置
-  rpc UnshelveServer(UnshelveServerReq) returns (UnshelveServerResp);//搁置
+  rpc UnshelveServer(UnshelveServerReq) returns (UnshelveServerResp);//取消搁置
   rpc ChangeAdministrativePassword(ChangeAdministrativePasswordReq) returns (ChangeAdministrativePasswordResp);//设置密码
   rpc RescueServer(RescueServerReq) returns (RescueServerResp);//救援
   rpc UnRescue(UnRescueServerReq) returns (UnRescueServerResp);//取消救援