diff --git a/CHANGELOG.md b/CHANGELOG.md
index cabb4ad46..f60cbd129 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,13 @@
 
 -->
 
+## 12.x.x (unreleased)
+
+### Improvements
+
+### Bugfixes
+- 投稿のNSFW画像を表示したあとにリアクションが更新されると画像が非表示になる問題を修正
+
 ## 12.102.1 (2022/01/27)
 ### Bugfixes
 - チャットが表示できない問題を修正
diff --git a/packages/client/src/scripts/use-note-capture.ts b/packages/client/src/scripts/use-note-capture.ts
index bb00e464e..b7cf99d5e 100644
--- a/packages/client/src/scripts/use-note-capture.ts
+++ b/packages/client/src/scripts/use-note-capture.ts
@@ -19,51 +19,41 @@ export function useNoteCapture(props: {
 			case 'reacted': {
 				const reaction = body.reaction;
 
-				const updated = JSON.parse(JSON.stringify(appearNote.value));
-
 				if (body.emoji) {
 					const emojis = appearNote.value.emojis || [];
 					if (!emojis.includes(body.emoji)) {
-						updated.emojis = [...emojis, body.emoji];
+						appearNote.value.emojis = [...emojis, body.emoji];
 					}
 				}
 
 				// TODO: reactionsプロパティがない場合ってあったっけ？ なければ || {} は消せる
 				const currentCount = (appearNote.value.reactions || {})[reaction] || 0;
 
-				updated.reactions[reaction] = currentCount + 1;
+				appearNote.value.reactions[reaction] = currentCount + 1;
 
 				if ($i && (body.userId === $i.id)) {
-					updated.myReaction = reaction;
+					appearNote.value.myReaction = reaction;
 				}
-
-				appearNote.value = updated;
 				break;
 			}
 
 			case 'unreacted': {
 				const reaction = body.reaction;
 
-				const updated = JSON.parse(JSON.stringify(appearNote.value));
-
 				// TODO: reactionsプロパティがない場合ってあったっけ？ なければ || {} は消せる
 				const currentCount = (appearNote.value.reactions || {})[reaction] || 0;
 
-				updated.reactions[reaction] = Math.max(0, currentCount - 1);
+				appearNote.value.reactions[reaction] = Math.max(0, currentCount - 1);
 
 				if ($i && (body.userId === $i.id)) {
-					updated.myReaction = null;
+					appearNote.value.myReaction = null;
 				}
-
-				appearNote.value = updated;
 				break;
 			}
 
 			case 'pollVoted': {
 				const choice = body.choice;
 
-				const updated = JSON.parse(JSON.stringify(appearNote.value));
-
 				const choices = [...appearNote.value.poll.choices];
 				choices[choice] = {
 					...choices[choice],
@@ -73,16 +63,12 @@ export function useNoteCapture(props: {
 					} : {})
 				};
 
-				updated.poll.choices = choices;
-
-				appearNote.value = updated;
+				appearNote.value.poll.choices = choices;
 				break;
 			}
 
 			case 'deleted': {
-				const updated = JSON.parse(JSON.stringify(appearNote.value));
-				updated.value = true;
-				appearNote.value = updated;
+				appearNote.value.deletedAt = new Date();
 				break;
 			}
 		}