diff --git a/package.json b/package.json
index 5e288ca0f..b456c461b 100644
--- a/package.json
+++ b/package.json
@@ -25,6 +25,7 @@
"qrcode.vue": "^1.6.2",
"script-loader": "^0.7.2",
"sessionstorage": "^0.1.0",
+ "sockjs-client": "^1.4.0",
"stompjs": "^2.3.3",
"storejs": "^1.0.25",
"three": "^0.107.0",
diff --git a/public/index.html b/public/index.html
index 09d9cd2e4..c17491a57 100644
--- a/public/index.html
+++ b/public/index.html
@@ -20,6 +20,7 @@
+