diff --git a/public/head.png b/public/head.png
index 8db5a05..eece437 100644
Binary files a/public/head.png and b/public/head.png differ
diff --git a/public/logo.png b/public/logo.png
new file mode 100644
index 0000000..263dc5f
Binary files /dev/null and b/public/logo.png differ
diff --git a/src/composables/episode.ts b/src/composables/episode.ts
index 88ba2f3..bbe2b17 100644
--- a/src/composables/episode.ts
+++ b/src/composables/episode.ts
@@ -12,7 +12,6 @@ export function usePage(ep: Ref<number>) {
     // progress
     // reactive path: ep -> progresslist -> localStorage
     // the above feature cannot be implemented with @vueuse,
-    // so I made a reactive storage by myself
     const progressKey = computed(() => `completedList-${epNum.value}`)
     const loadProgress = (): number[] => {
         const dataStr = localStorage.getItem(progressKey.value)