Fixed get changelog

app/js/services.js

@@ -4350,6 +4350,9 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
         $timeout(function () {
           Storage.get('last_version').then(function (lastVersion) {
             if (lastVersion != Config.App.version) {
+              if (!lastVersion) {
+                Storage.set({last_version: Config.App.version})
+              } else {
                 MtpApiManager.invokeApi('help.getAppChangelog', {
                   prev_app_version: lastVersion
                 }, {
@@ -4362,6 +4365,7 @@ angular.module('myApp.services', ['myApp.i18n', 'izhukov.utils'])
                   Storage.set({last_version: Config.App.version})
                 })
               }
+            }
           })
         }, 5000)
       })