Fix errors

pages/_type/_page.vue

@@ -87,7 +87,7 @@
 
     methods: {
       loadItems(to = this.page, from = -1) {
-        this.$bar.start()
+        this.$nuxt.$loading.start()
         this.$store.dispatch('FETCH_LIST_DATA', {
           type: this.type
         }).then(() => {
@@ -100,7 +100,7 @@
             : to > from ? 'slide-left' : 'slide-right'
           this.displayedPage = to
           this.displayedItems = this.$store.getters.activeItems
-          this.$bar.finish()
+          this.$nuxt.$loading.finish()
         })
       }
     }

pages/item/_id.vue

@@ -88,6 +88,7 @@
         return fetchComments(store, store.state.items[id])
       })))
     }
+    return Promise.resolve()
   }
 </script>