diff --git a/bcs-services/cluster-resources/pkg/action/template/template.go b/bcs-services/cluster-resources/pkg/action/template/template.go
index 25048efbfc..c51c3b68bf 100644
--- a/bcs-services/cluster-resources/pkg/action/template/template.go
+++ b/bcs-services/cluster-resources/pkg/action/template/template.go
@@ -528,14 +528,16 @@ func (t *TemplateAction) PreviewTemplateFile(ctx context.Context, req *clusterRe
 		return nil, err
 	}
 
-	// helm 语法模式 模板文件内容进行helm template 渲染
+	// helm 语法模式 模板文件内容进行helm template 渲染, 简单语法模式自动跳过
 	content, errRender := renderHelmTemplate(templates, req.GetValues())
 	if errRender != nil {
 		return map[string]interface{}{"items": []string{}, "error": errRender.Error()}, nil
 	}
 	for k, v := range templates {
 		helmPath := path.Join(v.TemplateSpace, v.TemplateName)
-		templates[k].Content = content[helmPath]
+		if _, ok := content[helmPath]; ok {
+			templates[k].Content = content[helmPath]
+		}
 	}
 
 	// render templates
diff --git a/bcs-services/cluster-resources/pkg/resource/constants/common.go b/bcs-services/cluster-resources/pkg/resource/constants/common.go
index 9d49a81d5d..b6e0748a51 100644
--- a/bcs-services/cluster-resources/pkg/resource/constants/common.go
+++ b/bcs-services/cluster-resources/pkg/resource/constants/common.go
@@ -239,7 +239,7 @@ type RenderMode string
 const (
 	// HelmRenderMode helm 语法模式
 	HelmRenderMode RenderMode = "Helm"
-	// SimpleRenderMode 单一语法模式，默认
+	// SimpleRenderMode 简单语法模式，使用字符串替换渲染
 	SimpleRenderMode RenderMode = "Simple"
 )