diff --git a/modules/grampus/grampus.go b/modules/grampus/grampus.go
index 321abba9c..1d81df448 100755
--- a/modules/grampus/grampus.go
+++ b/modules/grampus/grampus.go
@@ -197,6 +197,9 @@ func GenerateNotebookJob(ctx *context.Context, req *GenerateNotebookJobReq) (job
 			ReadOnly:      false,
 			ContainerPath: cloudbrain.CodeMountPath,
 		}
+		if ProcessorTypeGCU == req.ProcessType {
+			imageUrl = ""
+		}
 		req.Command = fmt.Sprintf(CommandGpuDebug, cpCommand, setting.CullIdleTimeout, setting.CullIdleTimeout, setting.CullInterval, setting.CullIdleTimeout, setting.CullInterval)
 		log.Info("debug command:" + req.Command)