diff --git a/database.py b/database.py
index 1ac4e7b..ded59cd 100644
--- a/database.py
+++ b/database.py
@@ -197,6 +197,15 @@ PRIMARY KEY (hash)
                 pass
             return userStatus.normalStatus, ''
 
+    def removeItemInChatList(self, chatId: int, id: str):
+        with self._value_lock:
+            try:
+                self._db.execute(
+                    f"DELETE FROM chatList WHERE chatId={chatId} AND id='{id}'")
+                return True
+            except:
+                return False
+
     def setUserStatus(self, userId: int, status: userStatus = userStatus.normalStatus, hashd: str = '') -> bool:
         with self._value_lock:
             try:
diff --git a/rssbot.py b/rssbot.py
index 930a31b..5fec619 100644
--- a/rssbot.py
+++ b/rssbot.py
@@ -30,7 +30,7 @@ from random import randrange
 from textc import textc, removeEmptyLine, decodeURI
 from re import search, I
 from rsschecker import RSSCheckerThread
-from rsslist import getInlineKeyBoardForRSSList, InlineKeyBoardForRSSList, getInlineKeyBoardForRSSInList, getTextContentForRSSInList
+from rsslist import getInlineKeyBoardForRSSList, InlineKeyBoardForRSSList, getInlineKeyBoardForRSSInList, getTextContentForRSSInList, getInlineKeyBoardForRSSUnsubscribeInList, getTextContentForRSSUnsubscribeInList
 from usercheck import checkUserPermissionsInChat, UserPermissionsInChatCheckResult
 import sys
 
@@ -866,13 +866,12 @@ class callbackQueryHandle(Thread):
                       'message_id': self._data['message']['message_id']}
                 self._main._request("deleteMessage", "post", json=di)
                 return
-            elif self._inlineKeyBoardForRSSListCommand == InlineKeyBoardForRSSList.Content:
+            elif self._inlineKeyBoardForRSSListCommand in [InlineKeyBoardForRSSList.Content, InlineKeyBoardForRSSList.CancleUnsubscribe]:
                 di = {'chat_id': self._data['message']['chat']['id'],
                       'message_id': self._data['message']['message_id']}
                 rssList = self._main._db.getRSSListByChatId(chatId)
                 ind = int(self._inputList[3])
-                if ind >= len(rssList):
-                    ind = len(rssList) - 1
+                ind = max(min(ind, len(rssList)), 0)
                 di['text'] = getTextContentForRSSInList(rssList[ind])
                 di['parse_mode'] = 'HTML'
                 di['reply_markup'] = getInlineKeyBoardForRSSInList(
@@ -891,6 +890,42 @@ class callbackQueryHandle(Thread):
                 self._main._request("editMessageText", "post", json=di)
                 self.answer()
                 return
+            elif self._inlineKeyBoardForRSSListCommand == InlineKeyBoardForRSSList.Unsubscribe:
+                di = {'chat_id': self._data['message']['chat']['id'],
+                      'message_id': self._data['message']['message_id']}
+                rssList = self._main._db.getRSSListByChatId(chatId)
+                ind = int(self._inputList[3])
+                ind = max(min(ind, len(rssList)), 0)
+                di['text'] = getTextContentForRSSUnsubscribeInList(
+                    rssList[ind])
+                di['parse_mode'] = 'HTML'
+                di['reply_markup'] = getInlineKeyBoardForRSSUnsubscribeInList(
+                    chatId, rssList[ind], ind)
+                self._main._request("editMessageText", "post", json=di)
+                self.answer()
+                return
+            elif self._inlineKeyBoardForRSSListCommand == InlineKeyBoardForRSSList.ConfirmUnsubscribe:
+                di = {'chat_id': self._data['message']['chat']['id'],
+                      'message_id': self._data['message']['message_id']}
+                rssList = self._main._db.getRSSListByChatId(chatId)
+                ind = int(self._inputList[3])
+                if ind >= len(rssList) or ind < 0:
+                    self.answer('取消订阅失败：无效的索引。')
+                else:
+                    unsubscribed = self._main._db.removeItemInChatList(
+                        chatId, rssList[ind].id)
+                    if unsubscribed:
+                        self.answer('取消订阅成功。')
+                        ind = ind - 1
+                    else:
+                        self.answer('取消订阅失败：数据库删除失败。')
+                rssList = self._main._db.getRSSListByChatId(chatId)
+                ind = max(min(ind, len(rssList)), 0)
+                di['text'] = '列表如下：'
+                di['reply_markup'] = getInlineKeyBoardForRSSList(
+                    chatId, rssList, itemIndex=ind)
+                self._main._request("editMessageText", "post", json=di)
+                return
         else:
             self.answer('未知的按钮。')
             return
diff --git a/rsslist.py b/rsslist.py
index 962fc02..784e2f4 100644
--- a/rsslist.py
+++ b/rsslist.py
@@ -116,3 +116,15 @@ def getInlineKeyBoardForRSSInList(chatId: int, rssEntry: RSSEntry, index: int) -
     d[i].append(
         {'text': '返回', 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.BackToList.value},{index}'})
     return {'inline_keyboard': d}
+
+
+def getInlineKeyBoardForRSSUnsubscribeInList(chatId: int, rssEntry: RSSEntry, index: int) -> dict:
+    d = []
+    i = -1
+    d.append([])
+    i = i + 1
+    d[i].append(
+        {'text': '是', 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.ConfirmUnsubscribe.value},{index}'})
+    d[i].append(
+        {'text': '否', 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.CancleUnsubscribe.value},{index}'})
+    return {'inline_keyboard': d}