diff --git a/game-server/app/services/chatService.ts b/game-server/app/services/chatService.ts
index 873e43658..c2d77a4a0 100644
--- a/game-server/app/services/chatService.ts
+++ b/game-server/app/services/chatService.ts
@@ -1,3 +1,4 @@
+import { PrivateChatRec } from './../db/ChatInfo';
 import { BossInstanceType } from './../db/BossInstance';
 import { isString } from 'underscore';
 import { cloneDeep, isArray, pick } from 'lodash';
@@ -14,7 +15,6 @@ import { addRedisChannel, getRoleOnlineInfo, redisChannelServer } from './redisS
 import { crc32 } from 'crc';
 import { HeroType } from '../db/Hero';
 import { GuildType } from '../db/Guild';
-import { GuildTrainType } from '../db/GuildTrain';
 import { ChatInfoModel } from '../db/ChatInfo';
 
 /**
@@ -94,6 +94,24 @@ async function createGroupMsgData(roleId: string, roleName: string, channel: str
 export async function createPrivateMsg(roleId: string, roleName: string, type: number, source: number, content: string, targetRoleId: string, targetMsgCode: string) {
     const msgData: PrivateMessageParam = await createPrivateMsgData(roleId, roleName, type, source, content, targetRoleId, targetMsgCode);
     const result: PrivateMessageType = await PrivateMessageModel.createMsg(msgData);
+
+    const curTime = new Date();
+    const { recentPrivateChats: senderRecentChats } = await ChatInfoModel.findInfo(roleId);
+    const senderRecIdx = senderRecentChats.findIndex(chat => { return chat.targetRoleId === targetRoleId });
+    const newSenderRec: PrivateChatRec = {
+        targetRoleId, lastChatTime: curTime, lastReadTime: curTime
+    };
+    senderRecIdx === -1 ? senderRecentChats.push(newSenderRec) : senderRecentChats[senderRecIdx] = newSenderRec;
+    await ChatInfoModel.updateInfo({ roleId, recentPrivateChats: senderRecentChats});
+
+    const { recentPrivateChats: receiverRecentChats }  = await ChatInfoModel.findInfo(targetRoleId);
+    const receiverRecIdx = receiverRecentChats.findIndex(chat => { return chat.targetRoleId === roleId });
+    const newReceiverRec: PrivateChatRec = {
+        targetRoleId: roleId, lastChatTime: curTime, lastReadTime: curTime
+    };
+    receiverRecIdx === -1 ? receiverRecentChats.push(newReceiverRec) : receiverRecentChats[receiverRecIdx].lastChatTime = curTime;
+    await ChatInfoModel.updateInfo({ roleId: targetRoleId, recentPrivateChats: receiverRecentChats});
+
     return result;
 }
 
@@ -284,20 +302,20 @@ export async function roleChatInfos(roleId: string, roleName: string) {
 
 export async function recentPrivateChatInfos(roleId: string, roleName: string) {
     const { recentPrivateChats } = await roleChatInfos(roleId, roleName);
-    const sortedChats = recentPrivateChats
+    recentPrivateChats
         .sort((a, b) => a.lastChatTime.getTime() - b.lastChatTime.getTime())
         .splice(RECENT_PRIVATE_CHATS_CNT);
-    if (!sortedChats || !sortedChats.length) return null;
+    if (!recentPrivateChats || !recentPrivateChats.length) return null;
 
-    const unreadChats = sortedChats.filter(chat => { return chat.lastChatTime > chat.lastReadTime });
+    const unreadChats = recentPrivateChats.filter(chat => { return chat.lastChatTime > chat.lastReadTime });
     let unreadMsgs = {};
     for (let { targetRoleId, lastReadTime } of unreadChats) {
         const msgs = await PrivateMessageModel.getMsgsByTime(privateRoomId(roleId, targetRoleId), lastReadTime, MAX_PRIVATE_MSGS);
         unreadMsgs[targetRoleId] = msgs;
     }
 
-    const roleInfos = await RoleModel.findRoleByField('roleId', sortedChats.map(chat => { return chat.targetRoleId }));
-    const chatInfos = sortedChats.map( chat => {
+    const roleInfos = await RoleModel.findRoleByField('roleId', recentPrivateChats.map(chat => { return chat.targetRoleId }));
+    const chatInfos = recentPrivateChats.map( chat => {
         for (let { roleId: targetRoleId, quitTime, roleName: targetRoleName, title, guildName, headHid, sHid, lv } of roleInfos) {
             if (targetRoleId === chat.targetRoleId) {
                 const unreadCnt = unreadMsgs[targetRoleId] ? unreadMsgs[targetRoleId].length : 0;
diff --git a/game-server/test/chat.test.ts b/game-server/test/chat.test.ts
index 0a989d796..ff09ddf4d 100644
--- a/game-server/test/chat.test.ts
+++ b/game-server/test/chat.test.ts
@@ -154,6 +154,25 @@ describe('聊天测试', function() {
     }, 1000);
   });
 
+  it('最近私聊的用户信息', function() {
+    function checkChatInfos(roleInfo) {
+      const chatInfos = roleInfo.recentPrivateChats;
+      if (!chatInfos) {
+        console.warn(`用户${roleInfo.roleName}没有最近的私聊信息`);
+        return;
+      }
+      for (let chatInfo of chatInfos) {
+        expect(chatInfo.targetRoleId).to.be.a('string');
+        expect(chatInfo.targetRoleName).to.be.a('string');
+        expect(Date.parse(chatInfo.lastChatTime)).to.be.a('number');
+        expect(Date.parse(chatInfo.lastReadTime)).to.be.a('number');
+        expect(chatInfo.unreadCnt).to.be.a('number');
+      }
+    }
+    checkChatInfos(roleInfo);
+    checkChatInfos(roleInfoT);
+  });
+
   it('测试系统频道橙将合成消息', function(done) {
     let msgReceiveCnt = 0;
     pinusClientT.on(ON_GROUP_MSG_ROUTE, (res) => {
diff --git a/shared/db/ChatInfo.ts b/shared/db/ChatInfo.ts
index 1760c7c1f..8cd7ba840 100644
--- a/shared/db/ChatInfo.ts
+++ b/shared/db/ChatInfo.ts
@@ -1,9 +1,12 @@
 import BaseModel from './BaseModel';
 import { index, getModelForClass, prop, DocumentType, modelOptions } from '@typegoose/typegoose';
 
-class PrivateChatRec {
+export class PrivateChatRec {
+  @prop({ required: true, default: '' })
   targetRoleId: string; // 聊天玩家 roleId
+  @prop({ required: false })
   lastReadTime: Date; // 最后查看时间，用来检查未读消息数
+  @prop({ required: true })
   lastChatTime: Date; // 最后聊天时间
 }
 
@@ -26,7 +29,7 @@ export default class ChatInfo extends BaseModel {
   BSSources: [string]; // 弹幕打开的消息来源
   @prop({ required: true, default: '' })
   bubbleId: string; // 气泡编号
-  @prop({ required: true, type: PrivateChatRec, default: [] })
+  @prop({ required: true, type: PrivateChatRec, default: [], _id: false })
   recentPrivateChats: [PrivateChatRec]; // 最近聊天列表
 
   public static async createInfo(data: ChatInfoParam) {
@@ -40,6 +43,12 @@ export default class ChatInfo extends BaseModel {
     let result = await ChatInfoModel.findOne({ roleId }).select('-_id').lean();
     return result;
   }
+
+  public static async updateInfo(data: ChatInfoParam) {
+    const roleId = data.roleId!;
+    const result = await ChatInfoModel.findOneAndUpdate({ roleId }, { $set: { ...data } }, { new: true }).select('-_id').lean();
+    return result;
+  }
 }