code refactor

src/mobile-main.js

@@ -74,8 +74,8 @@ Framework7.use(Framework7Vue);
 
 const i18n = new VueI18n(getI18nOptions());
 
-Vue.prototype.$version = version.getVersion;
+Vue.prototype.$version = version.getVersion();
-Vue.prototype.$buildTime = version.getBuildTime;
+Vue.prototype.$buildTime = version.getBuildTime();
 
 Vue.prototype.$licenses = licenses;
 Vue.prototype.$constants = {

src/views/mobile/About.vue

@@ -66,10 +66,10 @@
 export default {
     computed: {
         version() {
-            return 'v' + this.$version();
+            return 'v' + this.$version;
         },
         buildTime() {
-            return this.$buildTime();
+            return this.$buildTime;
         },
         licenses() {
             return this.$licenses;

src/views/mobile/Login.vue

@@ -115,7 +115,7 @@ export default {
     },
     computed: {
         version() {
-            return 'v' + this.$version();
+            return 'v' + this.$version;
         },
         allLanguages() {
             return this.$locale.getAllLanguages();

src/views/mobile/Settings.vue

@@ -94,7 +94,7 @@ export default {
     },
     computed: {
         version() {
-            return 'v' + this.$version();
+            return 'v' + this.$version;
         },
         allLanguages() {
             return this.$locale.getAllLanguages();