fix(tag): fallback to tag.name when slug is empty

src/components/TagCloud.vue

@@ -16,7 +16,7 @@ function sizeClass(count: number): string {
 }
 
 function goToTag(tag: Tag) {
-  router.push({ name: 'Home', query: { tag: tag.slug } })
+  router.push({ name: 'Home', query: { tag: tag.slug || tag.name } })
 }
 
 async function load() {