diff --git a/pkg/compute/models/guest_queries.go b/pkg/compute/models/guest_queries.go
index d3dc621360..e32089e824 100644
--- a/pkg/compute/models/guest_queries.go
+++ b/pkg/compute/models/guest_queries.go
@@ -223,8 +223,10 @@ func (manager *SGuestManager) FetchCustomizeColumns(
 		if gcds != nil {
 			for i := range rows {
 				for _, gcd := range gcds[guestIds[i]] {
-					t := api.Cdrom{Ordinal: gcd.Ordinal, Detail: gcd.GetDetails()}
-					rows[i].Cdrom = append(rows[i].Cdrom, t)
+					if details := gcd.GetDetails(); len(details) > 0 {
+						t := api.Cdrom{Ordinal: gcd.Ordinal, Detail: details}
+						rows[i].Cdrom = append(rows[i].Cdrom, t)
+					}
 				}
 			}
 		}
@@ -234,8 +236,10 @@ func (manager *SGuestManager) FetchCustomizeColumns(
 		if gfloppys != nil {
 			for i := range rows {
 				for _, gfl := range gfloppys[guestIds[i]] {
-					t := api.Floppy{Ordinal: gfl.Ordinal, Detail: gfl.GetDetails()}
-					rows[i].Floppy = append(rows[i].Floppy, t)
+					if details := gfl.GetDetails(); len(details) > 0 {
+						t := api.Floppy{Ordinal: gfl.Ordinal, Detail: details}
+						rows[i].Floppy = append(rows[i].Floppy, t)
+					}
 				}
 			}
 		}
diff --git a/pkg/compute/models/guests.go b/pkg/compute/models/guests.go
index 3125a30a69..6f24a623df 100644
--- a/pkg/compute/models/guests.go
+++ b/pkg/compute/models/guests.go
@@ -4556,6 +4556,9 @@ func (self *SGuest) GetJsonDescAtHypervisor(ctx context.Context, host *SHost) *a
 		cdromDesc := cdrom.getJsonDesc()
 		desc.Cdroms = append(desc.Cdroms, cdromDesc)
 	}
+	if len(desc.Cdroms) > 0 {
+		desc.Cdrom = desc.Cdroms[0]
+	}
 
 	//floppy
 	floppys, _ := self.getFloppys()