diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7e3215dc6c..748f3aa8eb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@
 - Feat: 設定の管理が強化されました
   - 自動でバックアップされるように
 - Enhance: プラグインの管理が強化されました
+- Enhance: CWの注釈テキストが入力されていない場合, Postボタンを非アクティブに
+- Enhance: CWを無効にした場合, 注釈テキストが最大入力文字数を超えていても投稿できるように
 - Enhance: テーマ設定画面のデザインを改善
 - Fix: テーマ切り替え時に一部の色が変わらない問題を修正
 
diff --git a/package.json b/package.json
index ff891ab9a4..70ff19ad4d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "misskey",
-	"version": "2025.3.2-alpha.4",
+	"version": "2025.3.2-alpha.5",
 	"codename": "nasubi",
 	"repository": {
 		"type": "git",
diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index 6a72663157..5e379d08b7 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -265,7 +265,13 @@ const canPost = computed((): boolean => {
 			quoteId.value != null
 		) &&
 		(textLength.value <= maxTextLength.value) &&
-		(cwTextLength.value <= maxCwTextLength) &&
+		(
+			useCw.value ?
+				(
+					cw.value != null && cw.value.trim() !== '' &&
+					cwTextLength.value <= maxCwTextLength
+				) : true
+		) &&
 		(files.value.length <= 16) &&
 		(!poll.value || poll.value.choices.length >= 2);
 });
@@ -744,14 +750,6 @@ function isAnnoying(text: string): boolean {
 }
 
 async function post(ev?: MouseEvent) {
-	if (useCw.value && (cw.value == null || cw.value.trim() === '')) {
-		os.alert({
-			type: 'error',
-			text: i18n.ts.cwNotationRequired,
-		});
-		return;
-	}
-
 	if (ev) {
 		const el = (ev.currentTarget ?? ev.target) as HTMLElement | null;
 
diff --git a/packages/misskey-js/package.json b/packages/misskey-js/package.json
index d98d2f3ed1..0ca8b36732 100644
--- a/packages/misskey-js/package.json
+++ b/packages/misskey-js/package.json
@@ -1,7 +1,7 @@
 {
 	"type": "module",
 	"name": "misskey-js",
-	"version": "2025.3.2-alpha.4",
+	"version": "2025.3.2-alpha.5",
 	"description": "Misskey SDK for JavaScript",
 	"license": "MIT",
 	"main": "./built/index.js",