fix: issues

internal/cmd_export.go

@@ -47,7 +47,11 @@ func exportCmd(ctx context.Context) error {
 		}
 	}
 
-	cfg := NewChannelConfig(channel.ID)
+	if channel.GetID() == 0 {
+		return errors.New("channel not found")
+	}
+
+	cfg := NewChannelConfig(channel.GetID())
 	if err := cfg.Read(ctx); err != nil {
 		return err
 	}