diff --git a/src/components/Column.tsx b/src/components/Column.tsx
index f743d56..b3b79ab 100644
--- a/src/components/Column.tsx
+++ b/src/components/Column.tsx
@@ -1,4 +1,6 @@
 import { Show, type JSX, type Component } from 'solid-js';
+import ArrowLeft from 'heroicons/24/outline/arrow-left.svg';
+
 import { useHandleCommand } from '@/hooks/useCommandBus';
 import { ColumnContext, useColumnState } from '@/components/ColumnContext';
 import ColumnContentDisplay from '@/components/ColumnContentDisplay';
@@ -57,8 +59,14 @@ const Column: Component<ColumnProps> = (props) => {
           {(columnContent) => (
             <div class="absolute h-full w-full bg-white">
               <div class="flex h-8 shrink-0 items-center border-b bg-white px-2">
-                <button class="w-full text-left" onClick={() => columnState?.clearColumnContext()}>
-                  ＜ホームに戻る
+                <button
+                  class="flex w-full items-center gap-1"
+                  onClick={() => columnState?.clearColumnContext()}
+                >
+                  <div class="inline-block h-4 w-4">
+                    <ArrowLeft />
+                  </div>
+                  <div>ホームに戻る</div>
                 </button>
               </div>
               <ul class="flex h-full flex-col overflow-y-scroll scroll-smooth">
diff --git a/src/components/EventLink.tsx b/src/components/EventLink.tsx
index f3f81d1..672e7a7 100644
--- a/src/components/EventLink.tsx
+++ b/src/components/EventLink.tsx
@@ -7,8 +7,17 @@ type EventLinkProps = {
   eventId: string;
 };
 
-const EventLink: Component<EventLinkProps> = (props) => (
-  <span class="text-blue-500 underline">{noteEncode(props.eventId)}</span>
-);
+const tryEncode = (eventId: string) => {
+  try {
+    return noteEncode(eventId);
+  } catch (err) {
+    console.error('failed to encode event id into Bech32 entity (NIP-19) but ignore', eventId, err);
+    return eventId;
+  }
+};
+
+const EventLink: Component<EventLinkProps> = (props) => {
+  return <button class="text-blue-500 underline">{tryEncode(props.eventId)}</button>;
+};
 
 export default EventLink;
diff --git a/src/components/textNote/MentionedUserDisplay.tsx b/src/components/textNote/MentionedUserDisplay.tsx
index 947fb5d..50016ca 100644
--- a/src/components/textNote/MentionedUserDisplay.tsx
+++ b/src/components/textNote/MentionedUserDisplay.tsx
@@ -3,18 +3,18 @@ import GeneralUserMentionDisplay from '@/components/textNote/GeneralUserMentionD
 import useModalState from '@/hooks/useModalState';
 
 export type MentionedUserDisplayProps = {
-  mentionedUser: MentionedUser;
+  pubkey: string;
 };
 
 const MentionedUserDisplay = (props: MentionedUserDisplayProps) => {
   const { showProfile } = useModalState();
 
   const handleClick = () => {
-    showProfile(props.mentionedUser.pubkey);
+    showProfile(props.pubkey);
   };
   return (
     <button class="inline text-blue-500 underline" onClick={handleClick}>
-      <GeneralUserMentionDisplay pubkey={props.mentionedUser.pubkey} />
+      <GeneralUserMentionDisplay pubkey={props.pubkey} />
     </button>
   );
 };
diff --git a/src/components/textNote/TextNoteContentDisplay.tsx b/src/components/textNote/TextNoteContentDisplay.tsx
index bae18cb..c2434ec 100644
--- a/src/components/textNote/TextNoteContentDisplay.tsx
+++ b/src/components/textNote/TextNoteContentDisplay.tsx
@@ -27,7 +27,7 @@ const TextNoteContentDisplay = (props: TextNoteContentDisplayProps) => {
           return <PlainTextDisplay plainText={item} />;
         }
         if (item.type === 'MentionedUser') {
-          return <MentionedUserDisplay mentionedUser={item} />;
+          return <MentionedUserDisplay pubkey={item.pubkey} />;
         }
         if (item.type === 'MentionedEvent') {
           if (props.embedding) {
@@ -43,6 +43,12 @@ const TextNoteContentDisplay = (props: TextNoteContentDisplayProps) => {
               </div>
             );
           }
+          if (item.data.type === 'npub' && props.embedding) {
+            return <MentionedUserDisplay pubkey={item.data.data} />;
+          }
+          if (item.data.type === 'nprofile' && props.embedding) {
+            return <MentionedUserDisplay pubkey={item.data.data.pubkey} />;
+          }
           return <span class="text-blue-500 underline">{item.content}</span>;
         }
         if (item.type === 'HashTag') {
@@ -61,6 +67,7 @@ const TextNoteContentDisplay = (props: TextNoteContentDisplayProps) => {
           }
           return <SafeLink class="text-blue-500 underline" href={item.content} />;
         }
+        console.error('Not all ParsedTextNoteNodes are covered', item);
         return null;
       }}
     </For>
diff --git a/src/components/textNote/TextNoteDisplay.tsx b/src/components/textNote/TextNoteDisplay.tsx
index 741aeba..2e16970 100644
--- a/src/components/textNote/TextNoteDisplay.tsx
+++ b/src/components/textNote/TextNoteDisplay.tsx
@@ -165,16 +165,7 @@ const TextNoteDisplay: Component<TextNoteDisplayProps> = (props) => {
   });
 
   return (
-    <div
-      class="nostr-textnote flex flex-col"
-      onClick={() => {
-        // FIXME
-        // columnContext?.setColumnContent({
-        //   type: 'Replies',
-        //   eventId: event().rootEvent()?.id ?? props.event.id,
-        // });
-      }}
-    >
+    <div class="nostr-textnote flex flex-col">
       <div class="flex w-full gap-1">
         <button
           class="author-icon h-10 w-10 shrink-0 overflow-hidden"
@@ -213,7 +204,20 @@ const TextNoteDisplay: Component<TextNoteDisplayProps> = (props) => {
                 {/* TODO <Match when={author()?.nip05 != null}>@{author()?.nip05}</Match> */}
               </div>
             </button>
-            <div class="created-at shrink-0">{createdAt()}</div>
+            <div class="created-at shrink-0">
+              <button
+                type="button"
+                class="hover:underline"
+                onClick={() => {
+                  columnContext?.setColumnContent({
+                    type: 'Replies',
+                    eventId: event().rootEvent()?.id ?? props.event.id,
+                  });
+                }}
+              >
+                {createdAt()}
+              </button>
+            </div>
           </div>
           <div
             ref={contentRef}
diff --git a/src/core/parseTextNote.ts b/src/core/parseTextNote.ts
index 2b88777..3c9ad08 100644
--- a/src/core/parseTextNote.ts
+++ b/src/core/parseTextNote.ts
@@ -60,8 +60,11 @@ const parseTextNote = (event: NostrEvent): ParsedTextNote => {
   const matches = [
     ...event.content.matchAll(/(?:#\[(?<idx>\d+)\])/g),
     ...event.content.matchAll(/#(?<hashtag>[^[-^`:-@!-/{-~\d\s][^[-^`:-@!-/{-~\s]+)/g),
+    // raw NIP-19 codes, NIP-21 links (NIP-27)
     // nrelay and naddr is not supported by nostr-tools
-    ...event.content.matchAll(/(?<nip19>(npub|note|nprofile|nevent)1[ac-hj-np-z02-9]+)/gi),
+    ...event.content.matchAll(
+      /(?:nostr:)?(?<mention>(npub|note|nprofile|nevent)1[ac-hj-np-z02-9]+)/gi,
+    ),
     ...event.content.matchAll(
       /(?<url>(?:https?|wss?):\/\/[-a-zA-Z0-9.]+(?:\/[-[\]~!$&'()*+.,:;@%\w]+|\/)*(?:\?[-[\]~!$&'()*+.,/:;%@\w&=]+)?(?:#[-[\]~!$&'()*+.,/:;%@\w?&=#]+)?)/g,
     ),
@@ -117,10 +120,10 @@ const parseTextNote = (event: NostrEvent): ParsedTextNote => {
         };
         result.push(mentionedEvent);
       }
-    } else if (match.groups?.nip19) {
+    } else if (match.groups?.mention) {
       pushPlainText(index);
       try {
-        const decoded = decode(match[0]);
+        const decoded = decode(match[1]);
         const bech32Entity: Bech32Entity = {
           type: 'Bech32Entity',
           content: match[0],
@@ -129,6 +132,8 @@ const parseTextNote = (event: NostrEvent): ParsedTextNote => {
         result.push(bech32Entity);
       } catch (e) {
         console.error(`failed to parse Bech32 entity (NIP-19) but ignore this: ${match[0]}`);
+        pushPlainText(index + match[0].length);
+        return;
       }
     } else if (match.groups?.hashtag) {
       pushPlainText(index);
diff --git a/src/nostr/useBatchedEvents.ts b/src/nostr/useBatchedEvents.ts
index 12fa0fe..19960cb 100644
--- a/src/nostr/useBatchedEvents.ts
+++ b/src/nostr/useBatchedEvents.ts
@@ -286,6 +286,7 @@ export const useProfile = (propsProvider: () => UseProfileProps | null): UseProf
       // cacheTime is long so that the user see profiles instantly.
       staleTime: 5 * 60 * 1000, // 5 min
       cacheTime: 24 * 60 * 60 * 1000, // 1 day
+      refetchInterval: 5 * 60 * 1000, // 5 min
     },
   );
 
@@ -331,7 +332,7 @@ export const useTextNote = (propsProvider: () => UseTextNoteProps | null): UseTe
     },
   );
 
-  const event = () => query.data;
+  const event = () => query.data ?? null;
 
   return { event, query };
 };
@@ -362,6 +363,7 @@ export const useReactions = (propsProvider: () => UseReactionsProps | null): Use
     {
       staleTime: 1 * 60 * 1000, // 1 min
       cacheTime: 4 * 60 * 60 * 1000, // 4 hour
+      refetchInterval: 1 * 60 * 1000, // 1 min
     },
   );
 
@@ -412,6 +414,7 @@ export const useDeprecatedReposts = (
     {
       staleTime: 1 * 60 * 1000, // 1 min
       cacheTime: 4 * 60 * 60 * 1000, // 4 hour
+      refetchInterval: 1 * 60 * 1000, // 1 min
     },
   );
 
@@ -458,7 +461,6 @@ export const useFollowings = (propsProvider: () => UseFollowingsProps | null): U
       staleTime: 5 * 60 * 1000, // 5 min
       cacheTime: 24 * 60 * 60 * 1000, // 24 hour
       refetchOnWindowFocus: false,
-      refetchInterval: 5 * 60 * 1000, // 5 min
     },
   );