diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index ccb33dc30c..0a97030fb4 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -274,12 +274,12 @@ const maxTextLength = computed((): number => {
 const canPost = computed((): boolean => {
 	return !props.mock && !posting.value && !posted.value &&
       (
-			1 <= textLength.value ||
+      	1 <= textLength.value ||
 			1 <= files.value.length ||
 			poll.value != null ||
 			props.renote != null ||
 			(props.reply != null && quoteId.value != null)
-		) &&
+      ) &&
       (textLength.value <= maxTextLength.value) &&
       (!poll.value || poll.value.choices.length >= 2);
 });
@@ -857,7 +857,7 @@ async function post(ev?: MouseEvent) {
 			if (notesCount === 1) {
 				claimAchievement('notes1');
 			}
-			poll.value = null;
+
 
 			if (postData.schedule?.scheduledAt) {
 				const d = new Date(postData.schedule.scheduledAt);
@@ -901,6 +901,7 @@ async function post(ev?: MouseEvent) {
 			if (m === 0 && s === 0) {
 				claimAchievement('postedAt0min0sec');
 			}
+			clear();
 		});
 	}).catch(err => {
 		posting.value = false;
diff --git a/packages/frontend/src/components/MkUrlPreview.vue b/packages/frontend/src/components/MkUrlPreview.vue
index 6954f1f6ff..9b1640e0a4 100644
--- a/packages/frontend/src/components/MkUrlPreview.vue
+++ b/packages/frontend/src/components/MkUrlPreview.vue
@@ -13,10 +13,11 @@ SPDX-License-Identifier: AGPL-3.0-only
 			v-if="player.url.startsWith('http://') || player.url.startsWith('https://')"
 			sandbox="allow-popups allow-scripts allow-storage-access-by-user-activation allow-same-origin"
 			scrolling="no"
-			:allow="player.allow == null ? 'autoplay;encrypted-media;fullscreen' : player.allow.filter(x => ['autoplay', 'clipboard-write', 'fullscreen', 'encrypted-media', 'picture-in-picture', 'web-share'].includes(x)).join(';')"
+			:allow="player.allow == null ? 'encrypted-media;fullscreen' : player.allow.filter(x => ['autoplay', 'clipboard-write', 'fullscreen', 'encrypted-media', 'picture-in-picture', 'web-share'].includes(x)).join(';')"
 			:class="$style.playerIframe"
-			:src="player.url + (player.url.match(/\?/) ? '&autoplay=1&auto_play=1' : '?autoplay=1&auto_play=1')"
-			:style="{ border: 0 }"
+			:src="player.url"
+			:style="{ border: 0, backgroundColor: 'transparent' }"
+			allowtransparency="true"
 		></iframe>
 		<span v-else>invalid url</span>
 	</div>
@@ -27,14 +28,18 @@ SPDX-License-Identifier: AGPL-3.0-only
 	</div>
 </template>
 <template v-else-if="tweetId && tweetExpanded">
-	<div ref="twitter">
+	<div ref="twitter" :class="$style.twitter">
 		<iframe
 			ref="tweet"
 			allow="fullscreen;web-share"
 			sandbox="allow-popups allow-popups-to-escape-sandbox allow-scripts allow-same-origin"
 			scrolling="no"
-			:style="{ position: 'relative', width: '100%', height: `${tweetHeight}px`, border: 0 }"
+			data-transparent="true"
+
+			:style="{ position: 'relative', width: '100%', height: `${tweetHeight}px`, border: 0,borderRadius: '14px'}"
 			:src="`https://platform.twitter.com/embed/index.html?embedId=${embedId}&amp;hideCard=false&amp;hideThread=false&amp;lang=en&amp;theme=${defaultStore.state.darkMode ? 'dark' : 'light'}&amp;id=${tweetId}`"
+			frameborder="0"
+			allowtransparency="true"
 		></iframe>
 	</div>
 	<div :class="$style.action">
@@ -83,7 +88,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import { defineAsyncComponent, onDeactivated, onUnmounted, ref } from 'vue';
+import { defineAsyncComponent, onDeactivated, onMounted, onUnmounted, ref } from 'vue';
 import type { summaly } from '@misskey-dev/summaly';
 import { url as local } from '@/config.js';
 import { i18n } from '@/i18n.js';
@@ -135,6 +140,15 @@ onDeactivated(() => {
 	playerEnabled.value = false;
 });
 
+onMounted(() => {
+	if (defaultStore.state.alwaysShowPlayer) {
+		playerEnabled.value = true;
+	}
+	if (defaultStore.state.alwaysExpandTweet) {
+		tweetExpanded.value = true;
+	}
+});
+
 const requestUrl = new URL(props.url);
 if (!['http:', 'https:'].includes(requestUrl.protocol)) throw new Error('invalid url');
 
@@ -206,7 +220,13 @@ onUnmounted(() => {
 	position: relative;
 	width: 100%;
 }
+.twitter{
+	width: 70%;
 
+}
+.app{
+	background: red;
+}
 .disablePlayer {
 	position: absolute;
 	top: -1.5em;
diff --git a/packages/frontend/src/pages/settings/general.vue b/packages/frontend/src/pages/settings/general.vue
index 7e4d8dab00..0ae5b7590f 100644
--- a/packages/frontend/src/pages/settings/general.vue
+++ b/packages/frontend/src/pages/settings/general.vue
@@ -36,6 +36,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<div class="_gaps_s">
 			<MkSwitch v-model="showFixedPostForm">{{ i18n.ts.showFixedPostForm }}</MkSwitch>
 			<MkSwitch v-model="showFixedPostFormInChannel">{{ i18n.ts.showFixedPostFormInChannel }}</MkSwitch>
+			<MkSwitch v-model="alwaysShowPlayer">Youtube.comや、nicovideo.jpのプレイヤーを全て開いた状態にする</MkSwitch>
+			<MkSwitch v-model="alwaysExpandTweet">Xのポストを常時表示させる</MkSwitch>
 			<MkFolder>
 				<template #label>{{ i18n.ts.pinnedList }}</template>
 				<div v-for="pinnedLists in defaultStore.reactiveState.pinnedUserLists.value" class="_margin">
@@ -433,6 +435,8 @@ const imageNewTab = computed(defaultStore.makeGetterSetter('imageNewTab'));
 const nsfw = computed(defaultStore.makeGetterSetter('nsfw'));
 const showFixedPostForm = computed(defaultStore.makeGetterSetter('showFixedPostForm'));
 const showFixedPostFormInChannel = computed(defaultStore.makeGetterSetter('showFixedPostFormInChannel'));
+const alwaysShowPlayer = computed(defaultStore.makeGetterSetter('alwaysShowPlayer'));
+const alwaysExpandTweet = computed(defaultStore.makeGetterSetter('alwaysExpandTweet'));
 const numberOfPageCache = computed(defaultStore.makeGetterSetter('numberOfPageCache'));
 const numberOfGamingSpeed = computed(defaultStore.makeGetterSetter('numberOfGamingSpeed'));
 const homeColor = computed(defaultStore.makeGetterSetter('homeColor'));
@@ -562,6 +566,8 @@ watch([
 	disableStreamingTimeline,
 	enableSeasonalScreenEffect,
 	alwaysConfirmFollow,
+	alwaysShowPlayer,
+	alwaysExpandTweet,
 ], async () => {
 	await reloadAsk();
 });
diff --git a/packages/frontend/src/store.ts b/packages/frontend/src/store.ts
index f8b2919d78..dbdd6531db 100644
--- a/packages/frontend/src/store.ts
+++ b/packages/frontend/src/store.ts
@@ -314,6 +314,14 @@ export const defaultStore = markRaw(new Storage('base', {
 		where: 'device',
 		default: false,
 	},
+	alwaysShowPlayer: {
+		where: 'device',
+		default: true,
+	},
+	alwaysExpandTweet: {
+		where: 'device',
+		default: false,
+	},
 	enableQuickAddMfmFunction: {
 		where: 'device',
 		default: false,