diff --git a/readset.py b/readset.py
index 0efe3ae..1c4e876 100644
--- a/readset.py
+++ b/readset.py
@@ -34,3 +34,4 @@ class settings:
         self._maxTTL = int(d['maxTTL']) if 'maxTTL' in d and d['maxTTL'].isnumeric(
         ) and int(d['maxTTL']) >= self._minTTL else max(1440, self._minTTL)
         self._maxRetryCount = int(d['maxRetryCount']) if 'maxRetryCount' in d and d['maxRetryCount'].isnumeric() and int(d['maxRetryCount']) >= 0 else 3
+        self._telegramBotApiServer = d['telegramBotApiServer'] if 'telegramBotApiServer' in d else 'https://api.telegram.org'
diff --git a/rssbot.py b/rssbot.py
index 21826ff..8a36476 100644
--- a/rssbot.py
+++ b/rssbot.py
@@ -135,10 +135,10 @@ class main:
     def __init__(self):
         pass
 
-    def _request(self, methodName: str, HTTPMethod: str = 'get', data: dict = None, json: dict = None, files: dict = None, returnType: str = 'json'):
+    def _request(self, methodName: str, HTTPMethod: str = 'get', data: dict = None, json: dict = None, files: dict = None, returnType: str = 'json', telegramBotApiServer: str = None):
         try:
             r = self._r.request(
-                HTTPMethod, f'https://api.telegram.org/bot{self._setting._token}/{methodName}', data=data, json=json, files=files)
+                HTTPMethod, f'{self._telegramBotApiServer if telegramBotApiServer is None else telegramBotApiServer}/bot{self._setting._token}/{methodName}', data=data, json=json, files=files)
             if r.status_code != 200:
                 return None
             if returnType == 'json':
@@ -240,6 +240,10 @@ class main:
         if self._setting._token is None:
             print('没有机器人token')
             return -1
+        self._telegramBotApiServer = self._setting._telegramBotApiServer
+        if self._telegramBotApiServer != 'https://api.telegram.org':
+            self._request("logOut", "post",
+                          telegramBotApiServer="https://api.telegram.org")
         self._db = database(self)
         if not exists('settings.txt'):
             print('找不到settings.txt')
diff --git a/rsslist.py b/rsslist.py
index 5fdc7ae..962fc02 100644
--- a/rsslist.py
+++ b/rsslist.py
@@ -30,11 +30,15 @@ class InlineKeyBoardForRSSList(Enum):
     Close = 4
     Content = 5
     BackToList = 6
+    Unsubscribe = 7
+    ConfirmUnsubscribe = 8
+    CancleUnsubscribe = 9
 
 
 def getTextContentForRSSInList(rssEntry: RSSEntry) -> str:
     text = textc()
-    text.addtotext(f"""<a href="{rssEntry.url}">{rssEntry.title}</a>""")
+    text.addtotext(
+        f"""<a href="{rssEntry.url}">{escape(rssEntry.title)}</a>""")
     temp = '更新间隔：未知' if rssEntry.interval is None else f'更新间隔：{rssEntry.interval}分'
     text.addtotext(temp)
     temp = '上次更新时间：未知' if rssEntry.lastupdatetime is None or rssEntry.lastupdatetime < 0 else f'上次更新时间：{timeToStr(rssEntry.lastupdatetime)}'
@@ -51,6 +55,10 @@ def getTextContentForRSSInList(rssEntry: RSSEntry) -> str:
     return text.tostr()
 
 
+def getTextContentForRSSUnsubscribeInList(rssEntry: RSSEntry) -> str:
+    return f"""你是否要取消订阅<a href="{rssEntry.url}">{escape(rssEntry.title)}</a>？"""
+
+
 def getInlineKeyBoardForRSSList(chatId: int, RSSEntries: List[RSSEntry], page: int = 1, lastPage: bool = False, itemIndex: int = None) -> dict:
     d = []
     i = -1
@@ -100,6 +108,11 @@ def getInlineKeyBoardForRSSInList(chatId: int, rssEntry: RSSEntry, index: int) -
     d = []
     i = -1
     d.append([])
+    i = i + 1
+    d[i].append(
+        {'text': '取消订阅', 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.Unsubscribe.value},{index}'})
+    d.append([])
+    i = i + 1
     d[i].append(
         {'text': '返回', 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.BackToList.value},{index}'})
     return {'inline_keyboard': d}