diff --git a/HelperMisc.py b/HelperMisc.py
index 9bb3c8c..2cd793c 100644
--- a/HelperMisc.py
+++ b/HelperMisc.py
@@ -5,6 +5,47 @@ from loguru import logger
 from HelperGetUserThing import implGetUser_
 import unicodedata
 
+def numberToLetter(number):
+    """
+    将数字转换为字母（1-26 to A-Z）
+    """
+    if 1 <= number <= 26:
+        return chr(number + 64)
+    else:
+        return None
+
+def maimaiVersionToHumanReadable(romVersion: str, dataVersion: str) -> str:
+    try:
+        romVersionList = romVersion.split('.')
+        dataVersionList = dataVersion.split('.')
+    except Exception as e:
+        logger.warning(f"无法解析版本号: {romVersion} {dataVersion}，错误：{e}")
+        return "无效版本号：无法解析"
+    try:
+        romVersionList = [int(i) for i in romVersionList]
+        dataVersionList = [int(i) for i in dataVersionList]
+    except Exception as e:
+        logger.warning(f"无法解析版本号: {romVersion} {dataVersion}，错误：{e}")
+        return "无效版本号：无法解读数字"
+    finalVersionList = []
+    finalVersionList.append(romVersionList[0])
+    finalVersionList.append(max(romVersionList[1], dataVersionList[1]))
+    finalVersionLetter = numberToLetter(max(romVersionList[2], dataVersionList[2]))
+    if finalVersionLetter:
+        finalVersionLetter = f"-{finalVersionLetter}"
+    else:
+        finalVersionLetter = ""
+    finalVersionList.append(finalVersionLetter)
+
+    if finalVersionList[1] < 30:
+        versionStringPrefix = "CH"
+    else:
+        versionStringPrefix = "CN"
+
+    finalVersionString = f"{versionStringPrefix}{finalVersionList[0]}.{finalVersionList[1]}{finalVersionList[2]}"
+    return finalVersionString
+    
+
 levelIdDict = {
     "绿": 0,
     "黄": 1,
@@ -46,10 +87,10 @@ def getFriendlyUserData(userId:int) -> str:
     result += f"总游戏次数: {userData.get('playCount', '未知')} "
     result += f"当前版本游戏次数: {userData.get('currentPlayCount', '未知')}\n"
     result += f"最近登录时间: {userData.get('lastLoginDate')} "
-    result += f"最近登录版本: {userData.get('lastDataVersion', '未知')} "
+    result += f"最近登录版本: {maimaiVersionToHumanReadable(userData.get('lastRomVersion'), userData.get('lastDataVersion'))} "
     result += f"最近登录地区: {userData.get('lastRegionName', '未知')}\n"
     result += f"注册日期: {userData.get('firstPlayDate')} "
-    result += f"注册版本: {userData.get('firstDataVersion', '未知')}\n"
+    result += f"注册版本: {maimaiVersionToHumanReadable(userData.get('firstRomVersion'),userData.get('firstDataVersion'))}\n"
     result += f"封号状态(banState): {banState}\n"
     try:
         logger.info(userRegion)
@@ -208,3 +249,8 @@ WAHLAP_REGIONS = {
     31: '新疆',
     32: '西藏',
 }
+
+if __name__ == "__main__":
+    # test version string convert
+    print(maimaiVersionToHumanReadable("1.20.0", "1.0.0"))
+    print(maimaiVersionToHumanReadable("1.41.00", "1.40.11"))
\ No newline at end of file
diff --git a/HelperUnlockThing.py b/HelperUnlockThing.py
index 95a0896..6ca4e35 100644
--- a/HelperUnlockThing.py
+++ b/HelperUnlockThing.py
@@ -29,30 +29,30 @@ itemKindDict = {
     "PLATE": 1,          # 姓名框
     "TITLE": 2,          # 称号
     "ICON": 3,           # 头像
-#    "PRESENT": 4,        # ？
     "MUSIC": 5,          # 歌
     "MUSIC_MASTER": 6,   # 紫谱
     "MUSIC_RE_MASTER": 7,# 白谱
-#    "MUSIC_STRONG": 8,   # ？
     "CHARACTER": 9,      # 旅行伙伴
     "PARTNER": 10,       # 搭档
     "FRAME": 11,         # 背景板
     "TICKET": 12         # 功能票
+#    "PRESENT": 4,        # ？
+#    "MUSIC_STRONG": 8,   # ？
 }
 
 itemKindzhCNDict = {
     "姓名框": "PLATE",
     "称号": "TITLE",
     "头像": "ICON",
-#    "礼物": "PRESENT",
     "歌": "MUSIC",
     "紫谱": "MUSIC_MASTER",
     "白谱": "MUSIC_RE_MASTER",
-#    "STRONG": "MUSIC_STRONG",
     "旅行伙伴": "CHARACTER",
     "搭档": "PARTNER",
     "背景板": "FRAME",
     "功能票": "TICKET"
+#    "礼物": "PRESENT",
+#    "STRONG": "MUSIC_STRONG",
 }
 
 partnerList = {