diff --git a/src/main.js b/src/main.js
index 1141c827..8c76505e 100644
--- a/src/main.js
+++ b/src/main.js
@@ -77,6 +77,10 @@ SSO.init(() => {
   main()
 })
 
+Vue.prototype.global = {
+  emptyLine: '—'
+}
+
 function main () {
   new Vue({
     router,