diff --git a/apps/bym.js b/apps/bym.js
index 34196ae..7400d91 100644
--- a/apps/bym.js
+++ b/apps/bym.js
@@ -3,6 +3,7 @@ import { Chaite } from 'chaite'
 import { intoUserMessage, toYunzai } from '../utils/message.js'
 import common from '../../../lib/common/common.js'
 import { getGroupContextPrompt } from '../utils/group.js'
+import {formatTimeToBeiJing} from '../utils/common.js'
 
 export class bym extends plugin {
   constructor () {
@@ -66,6 +67,7 @@ export class bym extends plugin {
       }
       sendMessageOption.systemOverride = ChatGPTConfig.bym.presetPrefix + sendMessageOption.systemOverride
     }
+    sendMessageOption.systemOverride = `Current Time: ${formatTimeToBeiJing(new Date().getTime())}\n` + sendMessageOption.systemOverride
     if (ChatGPTConfig.bym.temperature >= 0) {
       sendMessageOption.temperature = ChatGPTConfig.bym.temperature
     }
diff --git a/utils/common.js b/utils/common.js
index 7f1ecf4..34f9821 100644
--- a/utils/common.js
+++ b/utils/common.js
@@ -2,3 +2,64 @@ import * as crypto from 'node:crypto'
 export function md5 (str) {
   return crypto.createHash('md5').update(str).digest('hex')
 }
+
+/**
+ * Converts a timestamp to Beijing time (UTC+8)
+ * @param {number|string} timestamp - Timestamp in milliseconds or seconds
+ * @param {string} [format='YYYY-MM-DD HH:mm:ss'] - Output format
+ * @returns {string} Formatted Beijing time
+ */
+export function formatTimeToBeiJing (timestamp, format = 'YYYY-MM-DD HH:mm:ss') {
+  // Handle string timestamp
+  if (typeof timestamp === 'string') {
+    timestamp = parseInt(timestamp)
+  }
+
+  // Automatically determine if timestamp is in seconds or milliseconds
+  // If timestamp represents a date before 2000, assume it's in milliseconds
+  if (timestamp.toString().length <= 10) {
+    // Convert seconds to milliseconds
+    timestamp = timestamp * 1000
+  }
+
+  // Create date object with the timestamp
+  const date = new Date(timestamp)
+
+  // Calculate Beijing time (UTC+8)
+  const beijingTime = new Date(date.getTime() + 8 * 60 * 60 * 1000)
+
+  // Format the date according to the specified format
+  return formatDate(beijingTime, format)
+}
+
+/**
+ * Formats a Date object according to the specified format
+ * @param {Date} date - Date object to format
+ * @param {string} format - Format string (YYYY-MM-DD HH:mm:ss)
+ * @returns {string} Formatted date string
+ */
+function formatDate (date, format) {
+  const year = date.getUTCFullYear()
+  const month = padZero(date.getUTCMonth() + 1)
+  const day = padZero(date.getUTCDate())
+  const hours = padZero(date.getUTCHours())
+  const minutes = padZero(date.getUTCMinutes())
+  const seconds = padZero(date.getUTCSeconds())
+
+  return format
+    .replace('YYYY', year)
+    .replace('MM', month)
+    .replace('DD', day)
+    .replace('HH', hours)
+    .replace('mm', minutes)
+    .replace('ss', seconds)
+}
+
+/**
+ * Pads a number with leading zero if needed
+ * @param {number} num - Number to pad
+ * @returns {string} Padded number string
+ */
+function padZero (num) {
+  return num < 10 ? '0' + num : num.toString()
+}
diff --git a/utils/group.js b/utils/group.js
index 40aceb0..ed6c029 100644
--- a/utils/group.js
+++ b/utils/group.js
@@ -1,5 +1,6 @@
 import { getBotFramework } from './bot.js'
 import ChatGPTConfig from '../config/config.js'
+import {formatTimeToBeiJing} from './common.js'
 
 export class GroupContextCollector {
   /**
@@ -132,7 +133,7 @@ export async function getGroupContextPrompt (e, length) {
       // eslint-disable-next-line no-template-curly-in-string
       .replace('${message.sender.title}', sender.title || '-')
       // eslint-disable-next-line no-template-curly-in-string
-      .replace('${message.time}', chat.time || '-')
+      .replace('${message.time}', formatTimeToBeiJing(chat.time) || '-')
       // eslint-disable-next-line no-template-curly-in-string
       .replace('${message.messageId}', chat.messageId || '-')
       // eslint-disable-next-line no-template-curly-in-string