fix(app.vue): 修复：水印中手机号显示不全问题

src/App.vue

@@ -22,7 +22,7 @@ const route = useRoute()
 const isInWhiteList = computed(() => isWhiteList(route.path))
 
 const content = computed(() => {
-  return useUserStore().userInfo.nickName + ' ' + useUserStore().userInfo.phone
+  return useUserStore().userInfo.nickName + ' ' + useUserStore().userInfo.phonenumber?.substring(7)
 })
 const isDark = computed(() => {
   return useSettingsStore().isDark