diff --git a/src/app/utils.ts b/src/app/utils.ts
index 9dac632537aabc7ac2ac48726feffc57d64254b2..cd80e64ed93470672b601297798ce7e1678d773e 100644
--- a/src/app/utils.ts
+++ b/src/app/utils.ts
@@ -129,7 +129,6 @@ export function downLoadFile(data: any, type: string) {
   var a = document.createElement("a");
   a.href = URL.createObjectURL(blob);
   a.download = 'test.graphml';
-  // start download
   a.click();
 }
 
diff --git a/src/index.html b/src/index.html
index 3bfff905401d8c08969711b2b8898a37739ccbdd..95e57fd83241aee46db6a9c08ac0eb17ea12783c 100644
--- a/src/index.html
+++ b/src/index.html
@@ -49,12 +49,12 @@
   }'></network-expander>
 </div>
 
-<div >
+<!--<div >-->
 
-  <network-expander id="netexp2"
-                    pluginId="2"
-                    config='{}' network='{"nodes":[], "edges":[]}'></network-expander>
-</div>
+<!--  <network-expander id="netexp2"-->
+<!--                    pluginId="2"-->
+<!--                    config='{}' network='{"nodes":[], "edges":[]}'></network-expander>-->
+<!--</div>-->
 
 <br>
 <br>