diff --git a/internal/common/rpc_server/a.go b/internal/common/rpc_server/register.go
similarity index 100%
rename from internal/common/rpc_server/a.go
rename to internal/common/rpc_server/register.go
diff --git a/internal/rpc/group/copy.go b/internal/rpc/group/copy.go
index ba24f9109..631fab2e4 100644
--- a/internal/rpc/group/copy.go
+++ b/internal/rpc/group/copy.go
@@ -84,7 +84,7 @@ func DbToPbGroupRequest(m *relation.GroupRequestModel, user *open_im_sdk.PublicU
 func DbToPbGroupAbstractInfo(groupID string, groupMemberNumber int32, groupMemberListHash uint64) *pbGroup.GroupAbstractInfo {
 	return &pbGroup.GroupAbstractInfo{
 		GroupID:             groupID,
-		GroupMemberNumber:   groupMemberNumber,
+		GroupMemberNumber:   uint32(groupMemberNumber),
 		GroupMemberListHash: groupMemberListHash,
 	}
 }