diff --git a/kubectl-plugin/pipeline/run.go b/kubectl-plugin/pipeline/run.go
index 2735521..5baaf65 100644
--- a/kubectl-plugin/pipeline/run.go
+++ b/kubectl-plugin/pipeline/run.go
@@ -20,7 +20,6 @@ func newPipelineRunCmd(client dynamic.Interface) (cmd *cobra.Command) {
 	cmd = &cobra.Command{
 		Use:     "run",
 		Short:   "Start a Pipeline",
-		Long:    "Start a Pipeline. Only v1alpha4 is supported",
 		PreRunE: opt.preRunE,
 		RunE:    opt.runE,
 	}
@@ -176,7 +175,7 @@ func parsePipelineRunTpl(data map[string]interface{}) (pipelineRunYaml string, e
 }
 
 var pipelineRunTpl = `
-apiVersion: devops.kubesphere.io/v1alpha4
+apiVersion: devops.kubesphere.io/v1alpha3
 kind: PipelineRun
 metadata:
   generateName: {{.name}}
diff --git a/kubectl-plugin/types/schema.go b/kubectl-plugin/types/schema.go
index dc60784..b497346 100644
--- a/kubectl-plugin/types/schema.go
+++ b/kubectl-plugin/types/schema.go
@@ -24,7 +24,7 @@ func GetPipelineSchema() schema.GroupVersionResource {
 func GetPipelineRunSchema() schema.GroupVersionResource {
 	return schema.GroupVersionResource{
 		Group:    "devops.kubesphere.io",
-		Version:  "v1alpha4",
+		Version:  "v1alpha3",
 		Resource: "pipelineruns",
 	}
 }