diff --git a/routers/repo/grampus.go b/routers/repo/grampus.go
index 831551841..81b1cf743 100755
--- a/routers/repo/grampus.go
+++ b/routers/repo/grampus.go
@@ -841,7 +841,7 @@ func generateCommand(repoName, processorType, codeRemotePath, dataRemotePath, bo
 		workDir = grampus.GpuWorkDir
 	}
 
-	command += "pwd;cd " + workDir + fmt.Sprint(grampus.CommandPrepareScript, setting.Grampus.SyncScriptProject)
+	command += "pwd;cd " + workDir + fmt.Sprintf(grampus.CommandPrepareScript, setting.Grampus.SyncScriptProject)
 	//download code & dataset
 	if processorType == grampus.ProcessorTypeNPU {
 		commandDownload := "./downloader_for_obs " + setting.Bucket + " " + codeRemotePath + " " + grampus.CodeArchiveName + " " + dataRemotePath + " '" + datasetName + "';"