From 5c86c2fbf28e80af3d2ce22fc2797b1a8aa551be Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=B6=85=E7=BA=A7=E8=80=81=E7=99=BD=E5=85=94?=
 <fsmecx@gmail.com>
Date: Thu, 23 Oct 2025 17:14:48 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E6=B6=88=E6=81=AF=E6=8E=92?=
 =?UTF-8?q?=E5=BA=8F=E9=80=BB=E8=BE=91=EF=BC=8C=E8=B0=83=E6=95=B4=E7=BD=AE?=
 =?UTF-8?q?=E9=A1=B6=E5=92=8C=E6=97=B6=E9=97=B4=E6=88=B3=E7=9A=84=E5=A4=84?=
 =?UTF-8?q?=E7=90=86=E6=96=B9=E5=BC=8F=EF=BC=8C=E4=BB=A5=E7=A1=AE=E4=BF=9D?=
 =?UTF-8?q?=E7=BD=AE=E9=A1=B6=E6=B6=88=E6=81=AF=E4=BC=98=E5=85=88=E6=98=BE?=
 =?UTF-8?q?=E7=A4=BA=EF=BC=8C=E6=8F=90=E5=8D=87=E6=B6=88=E6=81=AF=E5=88=97?=
 =?UTF-8?q?=E8=A1=A8=E7=9A=84=E5=8F=AF=E8=AF=BB=E6=80=A7=E5=92=8C=E7=94=A8?=
 =?UTF-8?q?=E6=88=B7=E4=BD=93=E9=AA=8C=E3=80=82?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../components/SidebarMenu/MessageList/index.tsx  |  2 +-
 Touchkebao/src/utils/dbAction/message.ts          | 15 ++++++---------
 2 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/Touchkebao/src/pages/pc/ckbox/weChat/components/SidebarMenu/MessageList/index.tsx b/Touchkebao/src/pages/pc/ckbox/weChat/components/SidebarMenu/MessageList/index.tsx
index cb2083bf..dec222c6 100644
--- a/Touchkebao/src/pages/pc/ckbox/weChat/components/SidebarMenu/MessageList/index.tsx
+++ b/Touchkebao/src/pages/pc/ckbox/weChat/components/SidebarMenu/MessageList/index.tsx
@@ -437,7 +437,7 @@ const MessageList: React.FC<MessageListProps> = () => {
           const newSessions = [...prev];
           newSessions[existingIndex] = updatedSession;
 
-          // 按sortKey降序重新排序（最新的在前面）
+          // 按sortKey降序重新排序（置顶在前，最新的在前）
           return newSessions.sort((a, b) => {
             const aKey = MessageManager["generateSortKey"](a);
             const bKey = MessageManager["generateSortKey"](b);
diff --git a/Touchkebao/src/utils/dbAction/message.ts b/Touchkebao/src/utils/dbAction/message.ts
index d741c75a..bd5f7f97 100644
--- a/Touchkebao/src/utils/dbAction/message.ts
+++ b/Touchkebao/src/utils/dbAction/message.ts
@@ -52,21 +52,18 @@ export class MessageManager {
    * @returns 排序键
    */
   private static generateSortKey(session: any): string {
-    const isTop = session.config?.top ? 0 : 1;
-    // 时间戳转换：使用9e15减去时间戳，这样最新的时间sortKey最小
-    // 9e15 是一个足够大的数字，确保结果为正数
+    const isTop = session.config?.top ? 1 : 0;
+    // 时间戳：使用正序时间戳，最新的时间值最大
     const timestamp = new Date(session.lastUpdateTime || new Date()).getTime();
-    const time = 9e15 - timestamp;
     const displayName = (
       session.conRemark ||
       session.nickname ||
       ""
     ).toLowerCase();
 
-    // 格式：置顶标识|时间反转值（补齐15位）|显示名称
-    // sortKey越小，排序越靠前
-    // 最新的消息time值最小，所以排在最前面
-    const timeStr = String(Math.floor(time)).padStart(16, "0");
+    // 格式：置顶标识|时间戳（补齐15位）|显示名称
+    // 降序排序：置顶(1)在前，时间大的在前（即最新的在前），名称小的在前
+    const timeStr = String(timestamp).padStart(16, "0");
     return `${isTop}|${timeStr}|${displayName}`;
   }
 
@@ -144,7 +141,7 @@ export class MessageManager {
    */
   static async getUserSessions(userId: number): Promise<ChatSession[]> {
     try {
-      // 按sortKey降序排序查询（最新的在前面）
+      // 按sortKey降序排序查询（置顶在前，最新的在前）
       const sessions = await db.chatSessions
         .where("userId")
         .equals(userId)