diff --git a/pages/Chat/Chat.vue b/pages/Chat/Chat.vue
index 50cd630..196557b 100644
--- a/pages/Chat/Chat.vue
+++ b/pages/Chat/Chat.vue
@@ -121,8 +121,8 @@
 			</view>
 
 			<view class="main-chat">
-				<scroll-view class="chat-messages" direction="vertical" scroll-y :scroll-into-view="scrollToView"
-					:upper-threshold="50" :scroll-with-animation="!isThinking" @scroll="onScroll" @scrolltoupper="onScrollToUpper">
+			<scroll-view class="chat-messages" direction="vertical" scroll-y :scroll-into-view="scrollToView"
+				:upper-threshold="50" :scroll-with-animation="scrollAnimationEnabled && !isThinking" @scroll="onScroll" @scrolltoupper="onScrollToUpper">
 				<!-- 加载更多提示 -->
 				<view v-if="(ChatType === 0 && isAILoadingMore) || (ChatType === 1 && isFriendLoadingMore) || (ChatType === 2 && isGroupLoadingMore)" class="load-more-tip">
 					<text>加载更多消息...</text>
@@ -1687,13 +1687,14 @@ import { openFile as openFileNative, downloadAndOpen } from '@/utils/fileOpener.
 
 	const scrollToView = ref('')
 	const bottomToggle = ref(false)
+	const scrollAnimationEnabled = ref(true) // 控制 scroll-with-animation，加载更多时关闭避免可见滑动
 	// 加载状态和分页相关变量
 	const isLoadingMore = ref(false) // 是否正在加载更多
 	const isAILoadingMore = ref(false) // AI 会话是否正在加载更多（滚动到顶部触发）
 	const aiPageNumber = ref(0) // AI 会话当前服务端页码（0-based）
 	const hasMoreAIMessages = ref(true) // AI 会话是否还有更多消息可加载
 	const currentPage = ref(1) // 当前页码（如果后端支持分页）
-	const pageSize = 200;
+	const pageSize = 20;
 
 	// 好友消息分页
 	const isFriendLoadingMore = ref(false) // 好友会话是否正在加载更多
@@ -1819,7 +1820,10 @@ import { openFile as openFileNative, downloadAndOpen } from '@/utils/fileOpener.
 
 				// 定位滚动：原本第一条消息（old index 0）现在在 index = olderMessages.length 处
 				await nextTick()
+				scrollAnimationEnabled.value = false // 关闭动画，无感定位
 				scrollToView.value = 'msg-' + olderMessages.length
+				await nextTick()
+				scrollAnimationEnabled.value = true
 			} else {
 				// 只有 API 返回空时才确认没有更多
 				hasMoreAIMessages.value = false
@@ -1845,7 +1849,10 @@ import { openFile as openFileNative, downloadAndOpen } from '@/utils/fileOpener.
 				allmessages.value = [...olderMessages, ...allmessages.value]
 				// 定位滚动
 				await nextTick()
+				scrollAnimationEnabled.value = false
 				scrollToView.value = 'msg-' + olderMessages.length
+				await nextTick()
+				scrollAnimationEnabled.value = true
 			} else {
 				hasMoreFriendMessages.value = false
 			}
@@ -1870,7 +1877,10 @@ import { openFile as openFileNative, downloadAndOpen } from '@/utils/fileOpener.
 				allmessages.value = [...olderMessages, ...allmessages.value]
 				// 定位滚动
 				await nextTick()
+				scrollAnimationEnabled.value = false
 				scrollToView.value = 'msg-' + olderMessages.length
+				await nextTick()
+				scrollAnimationEnabled.value = true
 			} else {
 				hasMoreGroupMessages.value = false
 			}
@@ -2032,67 +2042,143 @@ import { openFile as openFileNative, downloadAndOpen } from '@/utils/fileOpener.
 
 <!-- v-html 渲染的 markdown 内容无法被 scoped 样式命中，需非 scoped 样式块 -->
 <style lang="scss">
+	// /* 气泡内容字体：确保 v-html 渲染的 markdown 内容使用系统字体栈 */
+	// .chat-content {
+	// 	// font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'HarmonyOS Sans', 'MiSans', 
+	// 	// 	'Source Han Sans CN', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
+	// 	// font-weight: 400;
+
+	// 	font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'HarmonyOS Sans', 'MiSans',
+	// 		'Source Han Sans CN', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif !important;
+	// 	font-size: 16px !important;
+	// 	font-weight: 600 !important;
+	// 	line-height: 1.6;
+	// 	margin: 8rpx 0;
+
+	// 	h1 {
+	// 		font-size: 42rpx;
+	// 		line-height: 1.4;
+	// 		margin: 16rpx 0 10rpx;
+	// 	}
+
+	// 	h2 {
+	// 		font-size: 38rpx;
+	// 		line-height: 1.4;
+	// 		margin: 14rpx 0 8rpx;
+	// 	}
+
+	// 	h3 {
+	// 		font-size: 36rpx;
+	// 		line-height: 1.4;
+	// 		margin: 12rpx 0 8rpx;
+	// 	}
+
+	// 	h4,
+	// 	h5,
+	// 	h6 {
+	// 		font-size: 34rpx;
+	// 		line-height: 1.5;
+	// 		margin: 10rpx 0 6rpx;
+	// 	}
+
+	// 	/* 普通正文 */
+	// 	p,
+	// 	text,
+	// 	span {
+	// 		font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'HarmonyOS Sans', 'MiSans',
+	// 			'Source Han Sans CN', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif !important;
+	// 		font-size: 38rpx !important;
+	// 		font-weight: 400 !important;
+	// 		line-height: 1.6;
+	// 		margin: 8rpx 0;
+	// 	}
+
+	// 	/* 粗体和斜体样式 */
+	// 	strong,
+	// 	b {
+	// 		font-weight: 600 !important;
+	// 	}
+
+	// 	em,
+	// 	i {
+	// 		font-style: italic !important;
+	// 	}
+	
+	
 	/* 气泡内容字体：确保 v-html 渲染的 markdown 内容使用系统字体栈 */
 	.chat-content {
-		// font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'HarmonyOS Sans', 'MiSans', 
-		// 	'Source Han Sans CN', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
-		// font-weight: 400;
-
 		font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'HarmonyOS Sans', 'MiSans',
 			'Source Han Sans CN', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif !important;
-		font-size: 16px !important;
-		font-weight: 600 !important;
-		line-height: 1.6;
-		margin: 8rpx 0;
-
+		font-size: 30rpx !important;
+		line-height: 48rpx !important;
+		margin: 8rpx 0 !important;
+	
 		h1 {
-			font-size: 42rpx;
-			line-height: 1.4;
-			margin: 16rpx 0 10rpx;
+			font-size: 34rpx !important;
+			font-weight: 600 !important;
+			line-height: 56rpx !important;
+			margin: 22rpx 0 14rpx !important;
 		}
-
+	
 		h2 {
-			font-size: 38rpx;
-			line-height: 1.4;
-			margin: 14rpx 0 8rpx;
+			font-size: 32rpx !important;
+			font-weight: 600 !important;
+			line-height: 52rpx !important;
+			margin: 18rpx 0 10rpx !important;
 		}
-
+	
 		h3 {
-			font-size: 36rpx;
-			line-height: 1.4;
-			margin: 12rpx 0 8rpx;
+			font-size: 30rpx !important;
+			font-weight: 600 !important;
+			line-height: 48rpx !important;
+			margin: 14rpx 0 6rpx !important;
 		}
-
-		h4,
-		h5,
+	
+		h4 {
+			font-size: 28rpx !important;
+			font-weight: 600 !important;
+			line-height: 48rpx !important;
+			margin: 14rpx 0 6rpx !important;
+		}
+	
+		h5 {
+			font-size: 26rpx !important;
+			font-weight: 600 !important;
+			line-height: 44rpx !important;
+			margin: 10rpx 0 4rpx !important;
+		}
+	
 		h6 {
-			font-size: 34rpx;
-			line-height: 1.5;
-			margin: 10rpx 0 6rpx;
+			font-size: 24rpx !important;
+			font-weight: 600 !important;
+			line-height: 40rpx !important;
+			margin: 10rpx 0 4rpx !important;
 		}
-
+	
 		/* 普通正文 */
 		p,
 		text,
 		span {
 			font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'HarmonyOS Sans', 'MiSans',
 				'Source Han Sans CN', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif !important;
-			font-size: 38rpx !important;
-			font-weight: 400 !important;
-			line-height: 1.6;
-			margin: 8rpx 0;
+			font-size: 30rpx !important;
+			line-height: 48rpx !important;
+			margin: 8rpx 0 !important;
 		}
-
+	
 		/* 粗体和斜体样式 */
 		strong,
 		b {
 			font-weight: 600 !important;
 		}
-
+	
 		em,
 		i {
 			font-style: italic !important;
 		}
+	
+	
+	
 
 		/* 气泡内的内联链接（替代 <a> 标签，点击由 JS 拦截处理） */
 		.chat-inline-link {
diff --git a/unpackage/dist/dev/app-plus/app-service.js b/unpackage/dist/dev/app-plus/app-service.js
index fee9613..845cd5f 100644
--- a/unpackage/dist/dev/app-plus/app-service.js
+++ b/unpackage/dist/dev/app-plus/app-service.js
@@ -5800,7 +5800,7 @@ This will fail in production.`);
       }
     });
   }
-  const pageSize$1 = 200;
+  const pageSize$1 = 20;
   const groupSize = 100;
   const _sfc_main$a = {
     __name: "Chat",
@@ -6895,6 +6895,7 @@ This will fail in production.`);
       const allmessages = vue.ref([]);
       const scrollToView = vue.ref("");
       const bottomToggle = vue.ref(false);
+      const scrollAnimationEnabled = vue.ref(true);
       const isLoadingMore = vue.ref(false);
       const isAILoadingMore = vue.ref(false);
       const aiPageNumber = vue.ref(0);
@@ -6947,12 +6948,12 @@ This will fail in production.`);
           hasMoreGroupMessages.value = true;
           const rawMessages = await getGroupMessages(currentSessionId.value, pageSize$1, 0) || [];
           allmessages.value = rawMessages;
-          formatAppLog("log", "at pages/Chat/Chat.vue:1760", "群聊消息：", allmessages.value);
+          formatAppLog("log", "at pages/Chat/Chat.vue:1761", "群聊消息：", allmessages.value);
           const memberList = await getGroupMemberList(currentSessionId.value);
-          formatAppLog("log", "at pages/Chat/Chat.vue:1763", "获取到的群成员列表：", memberList);
+          formatAppLog("log", "at pages/Chat/Chat.vue:1764", "获取到的群成员列表：", memberList);
           if (memberList && memberList.length) {
             groupMemberList.value = await takeGroupMemberAvatar(memberList);
-            formatAppLog("log", "at pages/Chat/Chat.vue:1766", "群成员列表（带头像）：", groupMemberList.value);
+            formatAppLog("log", "at pages/Chat/Chat.vue:1767", "群成员列表（带头像）：", groupMemberList.value);
           } else {
             groupMemberList.value = [];
           }
@@ -6986,12 +6987,15 @@ This will fail in production.`);
             aiPageNumber.value = nextPage;
             allmessages.value = [...olderMessages, ...allmessages.value];
             await vue.nextTick();
+            scrollAnimationEnabled.value = false;
             scrollToView.value = "msg-" + olderMessages.length;
+            await vue.nextTick();
+            scrollAnimationEnabled.value = true;
           } else {
             hasMoreAIMessages.value = false;
           }
         } catch (e2) {
-          formatAppLog("error", "at pages/Chat/Chat.vue:1828", "加载更多消息失败:", e2);
+          formatAppLog("error", "at pages/Chat/Chat.vue:1832", "加载更多消息失败:", e2);
           uni.showToast({ title: "加载更多失败", icon: "none" });
         } finally {
           isAILoadingMore.value = false;
@@ -7008,12 +7012,15 @@ This will fail in production.`);
             friendPageNumber.value = nextPage;
             allmessages.value = [...olderMessages, ...allmessages.value];
             await vue.nextTick();
+            scrollAnimationEnabled.value = false;
             scrollToView.value = "msg-" + olderMessages.length;
+            await vue.nextTick();
+            scrollAnimationEnabled.value = true;
           } else {
             hasMoreFriendMessages.value = false;
           }
         } catch (e2) {
-          formatAppLog("error", "at pages/Chat/Chat.vue:1853", "加载更多好友消息失败:", e2);
+          formatAppLog("error", "at pages/Chat/Chat.vue:1860", "加载更多好友消息失败:", e2);
           uni.showToast({ title: "加载更多失败", icon: "none" });
         } finally {
           isFriendLoadingMore.value = false;
@@ -7030,12 +7037,15 @@ This will fail in production.`);
             groupPageNumber.value = nextPage;
             allmessages.value = [...olderMessages, ...allmessages.value];
             await vue.nextTick();
+            scrollAnimationEnabled.value = false;
             scrollToView.value = "msg-" + olderMessages.length;
+            await vue.nextTick();
+            scrollAnimationEnabled.value = true;
           } else {
             hasMoreGroupMessages.value = false;
           }
         } catch (e2) {
-          formatAppLog("error", "at pages/Chat/Chat.vue:1878", "加载更多群聊消息失败:", e2);
+          formatAppLog("error", "at pages/Chat/Chat.vue:1888", "加载更多群聊消息失败:", e2);
           uni.showToast({ title: "加载更多失败", icon: "none" });
         } finally {
           isGroupLoadingMore.value = false;
@@ -7051,9 +7061,9 @@ This will fail in production.`);
         }
       };
       vue.watch(() => friendSocketStore.MessageReceived, (newId) => {
-        formatAppLog("log", "at pages/Chat/Chat.vue:1899", "收到了好友消息");
+        formatAppLog("log", "at pages/Chat/Chat.vue:1909", "收到了好友消息");
         if (newId) {
-          formatAppLog("log", "at pages/Chat/Chat.vue:1901", "ChatType:", ChatType.value);
+          formatAppLog("log", "at pages/Chat/Chat.vue:1911", "ChatType:", ChatType.value);
           switch (ChatType.value) {
             case 0:
               takeConversationMessages();
@@ -7068,7 +7078,7 @@ This will fail in production.`);
               friendSocketStore.MessageReceived = false;
               break;
             default:
-              formatAppLog("log", "at pages/Chat/Chat.vue:1917", "default 分支");
+              formatAppLog("log", "at pages/Chat/Chat.vue:1927", "default 分支");
               friendSocketStore.MessageReceived = false;
               break;
           }
@@ -7162,7 +7172,7 @@ This will fail in production.`);
         return downloadToastTimer;
       }, set downloadToastTimer(v) {
         downloadToastTimer = v;
-      }, showDownloadToast, hideDownloadToast, openLink, downloadAndHandle, sendMessage, sendFriendMessage, sendGroupMessage, sendAIMessage, stopConversation, textMessage, UserConversations, currentSessionId, userToken, UserId, UserAvatar, UserData, takeUserInfo, takeUserConversations, FriendInfoList, takeFriendList, takeTalkUserAvatar, takeUserAvatar, GroupList, takeGroupList, groupMemberList, takeGroupMemberAvatar, getGroupMemberAvatarById, allmessages, scrollToView, bottomToggle, isLoadingMore, isAILoadingMore, aiPageNumber, hasMoreAIMessages, currentPage, pageSize: pageSize$1, isFriendLoadingMore, friendPageNumber, hasMoreFriendMessages, isGroupLoadingMore, groupPageNumber, hasMoreGroupMessages, groupSize, currentMessages, takeConversationMessages, takeFriendMessages, takeGroupMessages, onScrollToUpper, loadMoreAIMessages, loadMoreFriendMessages, loadMoreGroupMessages, onScroll, scrollToBottom, computed: vue.computed, getCurrentInstance: vue.getCurrentInstance, nextTick: vue.nextTick, onMounted: vue.onMounted, ref: vue.ref, watch: vue.watch, get onLoad() {
+      }, showDownloadToast, hideDownloadToast, openLink, downloadAndHandle, sendMessage, sendFriendMessage, sendGroupMessage, sendAIMessage, stopConversation, textMessage, UserConversations, currentSessionId, userToken, UserId, UserAvatar, UserData, takeUserInfo, takeUserConversations, FriendInfoList, takeFriendList, takeTalkUserAvatar, takeUserAvatar, GroupList, takeGroupList, groupMemberList, takeGroupMemberAvatar, getGroupMemberAvatarById, allmessages, scrollToView, bottomToggle, scrollAnimationEnabled, isLoadingMore, isAILoadingMore, aiPageNumber, hasMoreAIMessages, currentPage, pageSize: pageSize$1, isFriendLoadingMore, friendPageNumber, hasMoreFriendMessages, isGroupLoadingMore, groupPageNumber, hasMoreGroupMessages, groupSize, currentMessages, takeConversationMessages, takeFriendMessages, takeGroupMessages, onScrollToUpper, loadMoreAIMessages, loadMoreFriendMessages, loadMoreGroupMessages, onScroll, scrollToBottom, computed: vue.computed, getCurrentInstance: vue.getCurrentInstance, nextTick: vue.nextTick, onMounted: vue.onMounted, ref: vue.ref, watch: vue.watch, get onLoad() {
         return onLoad;
       }, get onShow() {
         return onShow;
@@ -7492,7 +7502,7 @@ This will fail in production.`);
                 "scroll-y": "",
                 "scroll-into-view": $setup.scrollToView,
                 "upper-threshold": 50,
-                "scroll-with-animation": !$setup.isThinking,
+                "scroll-with-animation": $setup.scrollAnimationEnabled && !$setup.isThinking,
                 onScroll: $setup.onScroll,
                 onScrolltoupper: $setup.onScrollToUpper
               }, [
diff --git a/unpackage/dist/dev/app-plus/pages/Chat/Chat.css b/unpackage/dist/dev/app-plus/pages/Chat/Chat.css
index ef21904..c96ce51 100644
--- a/unpackage/dist/dev/app-plus/pages/Chat/Chat.css
+++ b/unpackage/dist/dev/app-plus/pages/Chat/Chat.css
@@ -1877,45 +1877,57 @@ to { opacity: 1; transform: translateY(0);
 /* 气泡内容字体：确保 v-html 渲染的 markdown 内容使用系统字体栈 */
 .chat-content {
   font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans", "MiSans", "Source Han Sans CN", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif !important;
-  font-size: 16px !important;
-  font-weight: 600 !important;
-  line-height: 1.6;
-  margin: 0.25rem 0;
+  font-size: 0.9375rem !important;
+  line-height: 1.5rem !important;
+  margin: 0.25rem 0 !important;
   /* 普通正文 */
   /* 粗体和斜体样式 */
   /* 气泡内的内联链接（替代 <a> 标签，点击由 JS 拦截处理） */
   /* 可下载文件链接 → 按钮卡片样式 */
 }
 .chat-content h1 {
-  font-size: 1.3125rem;
-  line-height: 1.4;
-  margin: 0.5rem 0 0.3125rem;
+  font-size: 1.0625rem !important;
+  font-weight: 600 !important;
+  line-height: 1.75rem !important;
+  margin: 0.6875rem 0 0.4375rem !important;
 }
 .chat-content h2 {
-  font-size: 1.1875rem;
-  line-height: 1.4;
-  margin: 0.4375rem 0 0.25rem;
+  font-size: 1rem !important;
+  font-weight: 600 !important;
+  line-height: 1.625rem !important;
+  margin: 0.5625rem 0 0.3125rem !important;
 }
 .chat-content h3 {
-  font-size: 1.125rem;
-  line-height: 1.4;
-  margin: 0.375rem 0 0.25rem;
+  font-size: 0.9375rem !important;
+  font-weight: 600 !important;
+  line-height: 1.5rem !important;
+  margin: 0.4375rem 0 0.1875rem !important;
+}
+.chat-content h4 {
+  font-size: 0.875rem !important;
+  font-weight: 600 !important;
+  line-height: 1.5rem !important;
+  margin: 0.4375rem 0 0.1875rem !important;
+}
+.chat-content h5 {
+  font-size: 0.8125rem !important;
+  font-weight: 600 !important;
+  line-height: 1.375rem !important;
+  margin: 0.3125rem 0 0.125rem !important;
 }
-.chat-content h4,
-.chat-content h5,
 .chat-content h6 {
-  font-size: 1.0625rem;
-  line-height: 1.5;
-  margin: 0.3125rem 0 0.1875rem;
+  font-size: 0.75rem !important;
+  font-weight: 600 !important;
+  line-height: 1.25rem !important;
+  margin: 0.3125rem 0 0.125rem !important;
 }
 .chat-content p,
 .chat-content uni-text,
 .chat-content span {
   font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans", "MiSans", "Source Han Sans CN", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif !important;
-  font-size: 1.1875rem !important;
-  font-weight: 400 !important;
-  line-height: 1.6;
-  margin: 0.25rem 0;
+  font-size: 0.9375rem !important;
+  line-height: 1.5rem !important;
+  margin: 0.25rem 0 !important;
 }
 .chat-content strong,
 .chat-content b {