diff --git a/game-server/app/servers/chat/handler/chatHandler.ts b/game-server/app/servers/chat/handler/chatHandler.ts
index 3557a6152..eb4f9cd62 100644
--- a/game-server/app/servers/chat/handler/chatHandler.ts
+++ b/game-server/app/servers/chat/handler/chatHandler.ts
@@ -2,7 +2,7 @@ import { CHANNEL_PREFIX, MSG_SOURCE } from './../../../consts/constModules/chatC
 import {Application, BackendSession} from 'pinus';
 import { resResult } from '../../../pubUtils/util';
 import { DEFAULT_MSG_PER_PAGE, STATUS } from '../../../consts';
-import { createGroupMsg, createPrivateMsg, getPrivateMessages, groupRoomId, pushGroupMsgToRoom, pushMsgToRole } from '../../../services/chatService';
+import { createGroupMsg, createPrivateMsg, getPrivateMessages, groupRoomId, pushGroupMsgToRoom, pushMsgToRole, updatePrivateMsgReadTime } from '../../../services/chatService';
 
 
 export default function(app: Application) {
@@ -125,4 +125,21 @@ export class ChatHandler {
         const msgs = await getPrivateMessages(roleId, targetRoleId, fromSeqId, count);
         return resResult(STATUS.SUCCESS, { msgs });
     }
+
+    /**
+     * @description 查看私聊，主要用于更新最后查看时间和未读消息数
+     * @param {{ targetRoleId: string }} msg
+     * @param {BackendSession} session
+     * @returns
+     * @memberof ChatHandler
+     */
+    async readPrivateMessage(msg: { targetRoleId: string }, session: BackendSession) {
+        const roleId = session.get('roleId');
+        const { targetRoleId } = msg;
+        const result = await updatePrivateMsgReadTime(roleId, targetRoleId);
+        if (!result) {
+            return resResult(STATUS.UPDATE_PRIVATE_MSG_READ_TIME_ERR);
+        }
+        return resResult(STATUS.SUCCESS, result);
+    }
 }
diff --git a/game-server/app/services/chatService.ts b/game-server/app/services/chatService.ts
index b66b29930..836694db3 100644
--- a/game-server/app/services/chatService.ts
+++ b/game-server/app/services/chatService.ts
@@ -396,3 +396,13 @@ function shouldPushTowerMsg(lv: number) {
     // 100 层之后每 50 层触发
     return lv >= 100 && lv % 50 === 0;
 }
+
+export async function updatePrivateMsgReadTime(roleId: string, targetRoleId: string) {
+    const time = new Date();
+    const chatInfo = await ChatInfoModel.updateReadTime(roleId, targetRoleId, time);
+    if (!chatInfo || !chatInfo.recentPrivateChats) {
+        return null;
+    }
+    const chatRec = chatInfo.recentPrivateChats.find(rec => { return rec.targetRoleId === targetRoleId });
+    return chatRec;
+}
diff --git a/game-server/test/chat.test.ts b/game-server/test/chat.test.ts
index 42d905a51..627d47d3a 100644
--- a/game-server/test/chat.test.ts
+++ b/game-server/test/chat.test.ts
@@ -348,4 +348,22 @@ describe('聊天测试', function() {
       }
     });
   });
+
+  it('更新私聊阅读时间', function(done) {
+    for (let i = 0; i < DEFAULT_MSG_PER_PAGE; i++) {
+      pinusClient.request('chat.chatHandler.sendPrivateMessage', sendPrivateMessageParm(roleInfoT, TEXT_MSG), (res) => {
+        checkSuccessResponse(res);
+        expect(res.data.content).to.equal(TEXT_MSG.content);
+      });
+    }
+    setTimeout(() => {
+      pinusClientT.request('chat.chatHandler.readPrivateMessage', {targetRoleId: roleInfo.roleId}, (res) => {
+        checkSuccessResponse(res);
+        expect(res.data).to.be.an('object');
+        expect(res.data.targetRoleId).to.be.equal(roleInfo.roleId);
+        expect(Date.parse(res.data.lastReadTime)).to.be.above(Date.parse(res.data.lastChatTime));
+        done();
+      })
+    }, 1000);
+  });
 });
diff --git a/shared/consts/statusCode.ts b/shared/consts/statusCode.ts
index 3f96e0f46..bd978932b 100644
--- a/shared/consts/statusCode.ts
+++ b/shared/consts/statusCode.ts
@@ -272,6 +272,7 @@ export const STATUS = {
 
     // 社交相关状态 40000 - 49999
     SYS_CHANNEL_AUTH_NOT_ENOUGH: {code: 40000, simStr: '无法在系统频道发送消息'},
+    UPDATE_PRIVATE_MSG_READ_TIME_ERR: {code: 40001, simStr: '更新私聊阅读时间失败'},
     // 运营模块相关状态 50000 - 59999
     // GM后台相关状态 60000 - 69999
     GM_ERR_PASSWORD: { code: 60001, simStr: '账号或密码错误' },
diff --git a/shared/db/ChatInfo.ts b/shared/db/ChatInfo.ts
index 8cd7ba840..f14ff3ebb 100644
--- a/shared/db/ChatInfo.ts
+++ b/shared/db/ChatInfo.ts
@@ -35,23 +35,27 @@ export default class ChatInfo extends BaseModel {
   public static async createInfo(data: ChatInfoParam) {
     const roleId = data.roleId!;
     const docData = new ChatInfoModel();
-    const result = await ChatInfoModel.findOneAndUpdate({ roleId }, { ...docData.toJSON(), ...data }, { upsert: true, new: true }).select('-_id').lean();
+    const result: ChatInfoType = await ChatInfoModel.findOneAndUpdate({ roleId }, { ...docData.toJSON(), ...data }, { upsert: true, new: true }).select('-_id').lean();
     return result;
   }
 
   public static async findInfo(roleId: string) {
-    let result = await ChatInfoModel.findOne({ roleId }).select('-_id').lean();
+    let result: ChatInfoType = 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();
+    const result: ChatInfoType = await ChatInfoModel.findOneAndUpdate({ roleId }, { $set: { ...data } }, { new: true }).select('-_id').lean();
+    return result;
+  }
+
+  public static async updateReadTime(roleId: string, targetRoleId: string, time: Date) {
+    const result: ChatInfoType = await ChatInfoModel.findOneAndUpdate({ roleId, 'recentPrivateChats.targetRoleId': targetRoleId }, { 'recentPrivateChats.$.lastReadTime': time }, { new: true }).select('-_id').lean();
     return result;
   }
 }
 
-
 export const ChatInfoModel = getModelForClass(ChatInfo);
 
 export interface ChatInfoType extends Pick<DocumentType<ChatInfo>, keyof ChatInfo> {};