diff --git a/frontend/src/views/Room/TextMessage.vue b/frontend/src/views/Room/TextMessage.vue
index cd5669e..33060d4 100644
--- a/frontend/src/views/Room/TextMessage.vue
+++ b/frontend/src/views/Room/TextMessage.vue
@@ -5,6 +5,9 @@
       <span id="timestamp">{{time}}</span>
       <span id="author-name" :type="authorTypeText">{{authorName}}</span>
       <span id="message">{{content}}</span>
+      <el-badge :value="repeated" :max="99" v-show="repeated > 1"
+        :style="`--repeated-mark-color: ${repeatedMarkColor}`"
+      ></el-badge>
     </div>
   </yt-live-chat-text-message-renderer>
 </template>
@@ -16,6 +19,8 @@ const AUTHOR_TYPE_TO_TEXT = [
   'moderator', // 房管
   'owner' // 主播
 ]
+const REPEATED_MARK_COLOR_START = [0x21, 0x96, 0xF3]
+const REPEATED_MARK_COLOR_END = [0xFF, 0x57, 0x22]
 
 export default {
   name: 'TextMessage',
@@ -24,12 +29,40 @@ export default {
     time: String,
     authorName: String,
     authorType: Number,
-    content: String
+    content: String,
+    repeated: Number
   },
   computed: {
     authorTypeText() {
       return AUTHOR_TYPE_TO_TEXT[this.authorType]
+    },
+    repeatedMarkColor() {
+      let color
+      if (this.repeated <= 2) {
+        color = REPEATED_MARK_COLOR_START
+      } else if (this.repeated >= 10) {
+        color = REPEATED_MARK_COLOR_END
+      } else {
+        color = [0, 0, 0]
+        let t = (this.repeated - 2) / (10 - 2)
+        for (let i = 0; i < 3; i++) {
+          color[i] = REPEATED_MARK_COLOR_START[i] + (REPEATED_MARK_COLOR_END[i] - REPEATED_MARK_COLOR_START[i]) * t
+        }
+      }
+      return `rgb(${color.join(', ')})`
     }
   }
 }
 </script>
+
+<style>
+yt-live-chat-text-message-renderer #content .el-badge {
+  margin-left: 0.5em;
+}
+
+yt-live-chat-text-message-renderer #content .el-badge * {
+  text-shadow: none !important;
+  font-family: sans-serif !important;
+  background-color: var(--repeated-mark-color) !important;
+}
+</style>
diff --git a/frontend/src/views/Room/index.vue b/frontend/src/views/Room/index.vue
index 64cf2a2..ec5f68e 100644
--- a/frontend/src/views/Room/index.vue
+++ b/frontend/src/views/Room/index.vue
@@ -18,7 +18,7 @@
       <template v-for="message in messages">
         <text-message :key="message.id" v-if="message.type == 0"
           :avatarUrl="message.avatarUrl" :time="message.time" :authorName="message.authorName"
-          :authorType="message.authorType" :content="message.content"
+          :authorType="message.authorType" :content="message.content" :repeated="message.repeated"
         ></text-message>
         <legacy-paid-message :key="message.id" v-else-if="message.type == 1"
           :avatarUrl="message.avatarUrl" :title="message.title" :content="message.content"
@@ -51,11 +51,14 @@ export default {
     PaidMessage
   },
   data() {
+    let cfg = {...config.DEFAULT_CONFIG}
+    cfg.blockKeywords = cfg.blockKeywords.split('\n').filter(val => val)
+    cfg.blockUsers = cfg.blockUsers.split('\n').filter(val => val)
     let styleElement = document.createElement('style')
-    styleElement.innerText = config.DEFAULT_CONFIG.css
+    styleElement.innerText = cfg.css
     document.head.appendChild(styleElement)
     return {
-      config: config.DEFAULT_CONFIG,
+      config: cfg,
       styleElement,
       websocket: null,
       messages: [],
@@ -66,18 +69,46 @@ export default {
     // 开发时使用localhost:80
     const url = process.env.NODE_ENV === 'development' ? 'ws://localhost/chat' : `ws://${window.location.host}/chat`
     this.websocket = new WebSocket(url)
-    this.websocket.onopen = () => this.websocket.send(JSON.stringify({
-      cmd: COMMAND_JOIN_ROOM,
-      data: {
-        roomId: parseInt(this.$route.params.roomId)
+    this.websocket.onopen = this.onWsOpen.bind(this)
+    this.websocket.onmessage = this.onWsMessage.bind(this)
+
+    if (this.$route.query.config_id) {
+      try {
+        let cfg = await config.getRemoteConfig(this.$route.query.config_id)
+        cfg.blockKeywords = cfg.blockKeywords.split('\n').filter(val => val)
+        cfg.blockUsers = cfg.blockUsers.split('\n').filter(val => val)
+        this.styleElement.innerText = cfg.css
+        this.config = cfg
+      } catch (e) {
+        this.$message.error('获取配置失败：' + e)
       }
-    }))
-    this.websocket.onmessage = (event) => {
+    }
+  },
+  beforeDestroy() {
+    document.head.removeChild(this.styleElement)
+    this.websocket.close()
+  },
+  updated() {
+    window.scrollTo(0, document.body.scrollHeight)
+  },
+  methods: {
+    onWsOpen() {
+      this.websocket.send(JSON.stringify({
+        cmd: COMMAND_JOIN_ROOM,
+        data: {
+          roomId: parseInt(this.$route.params.roomId)
+        }
+      }))
+    },
+    onWsMessage(event) {
       let body = JSON.parse(event.data)
       let message = null
       let time, price
       switch(body.cmd) {
       case COMMAND_ADD_TEXT:
+        if (!this.filterTextMessage(body.data) || this.mergeSimilar(body.data.content)) {
+          break
+        }
         time = new Date(body.data.timestamp * 1000)
         message = {
           id: this.nextId++,
@@ -86,7 +117,8 @@ export default {
           time: `${time.getHours()}:${time.getMinutes()}`,
           authorName: body.data.authorName,
           authorType: body.data.authorType,
-          content: body.data.content
+          content: body.data.content,
+          repeated: 1
         }
         break
       case COMMAND_ADD_GIFT:
@@ -114,26 +146,49 @@ export default {
       }
       if (message) {
         this.messages.push(message)
-        if (this.messages.length > 50)
-          this.messages.shift()
+        if (this.messages.length > 50) {
+          this.messages.splice(0, this.messages.length - 50)
+        }
       }
-    }
-
-    if (this.$route.query.config_id) {
-      try {
-        this.config = await config.getRemoteConfig(this.$route.query.config_id)
-        this.styleElement.innerText = this.config.css
-      } catch (e) {
-        this.$message.error('获取配置失败：' + e)
+    },
+    filterTextMessage(data) {
+      if (this.config.blockGiftDanmaku && data.isGiftDanmaku) {
+        return false
+      } else if (this.config.blockLevel > 0 && data.authorLevel < this.config.blockLevel) {
+        return false
+      } else if (this.config.blockNewbie && data.isNewbie) {
+        return false
+      } else if (this.config.blockNotMobileVerified && !data.isMobileVerified) {
+        return false
       }
+      for (let keyword of this.config.blockKeywords) {
+        if (data.content.indexOf(keyword) !== -1) {
+          return false
+        }
+      }
+      for (let user of this.config.blockUsers) {
+        if (data.authorName === user) {
+          return false
+        }
+      }
+      return true
+    },
+    mergeSimilar(content) {
+      if (!this.config.mergeSimilarDanmaku) {
+        return false
+      }
+      for (let i = this.messages.length - 1; i >= 0 && i >= this.messages.length - 5; i--) {
+        let message = this.messages[i]
+        if (
+          (message.content.indexOf(content) !== -1 || content.indexOf(message.content) !== -1) // 包含对方
+          && Math.abs(message.content.length - content.length) < Math.min(message.content.length, content.length) // 长度差比两者长度都小
+        ) {
+          message.repeated++
+          return true
+        }
+      }
+      return false
     }
-  },
-  beforeDestroy() {
-    document.head.removeChild(this.styleElement)
-    this.websocket.close()
-  },
-  updated() {
-      window.scrollTo(0, document.body.scrollHeight)
   }
 }
 </script>
diff --git a/main.py b/main.py
index 1777e92..2b0f7ae 100644
--- a/main.py
+++ b/main.py
@@ -36,7 +36,7 @@ def main():
             (r'/config', views.config.ConfigsHandler),
             (r'/config/(.+)', views.config.ConfigHandler),
 
-            (r'/((css|img|js)/.*)', tornado.web.StaticFileHandler, {'path': WEB_ROOT}),
+            (r'/((css|fonts|img|js)/.*)', tornado.web.StaticFileHandler, {'path': WEB_ROOT}),
             (r'/(favicon\.ico)', tornado.web.StaticFileHandler, {'path': WEB_ROOT}),
             (r'/.*', views.main.MainHandler, {'path': WEB_ROOT})
         ],
diff --git a/views/chat.py b/views/chat.py
index 097810f..f4b39c3 100644
--- a/views/chat.py
+++ b/views/chat.py
@@ -72,7 +72,12 @@ class Room(blivedm.BLiveClient):
             'timestamp': danmaku.timestamp,
             'authorName': danmaku.uname,
             'authorType': author_type,
-            'content': danmaku.msg
+            'content': danmaku.msg,
+            'privilegeType': danmaku.privilege_type,
+            'isGiftDanmaku': bool(danmaku.msg_type),
+            'authorLevel': danmaku.user_level,
+            'isNewbie': danmaku.urank < 10000,
+            'isMobileVerified': bool(danmaku.mobile_verify)
         })
 
     async def _on_receive_gift(self, gift: blivedm.GiftMessage):
@@ -80,6 +85,7 @@ class Room(blivedm.BLiveClient):
             return
         self.send_message(Command.ADD_GIFT, {
             'avatarUrl': await get_avatar_url(gift.uid),
+            'timestamp': gift.timestamp,
             'authorName': gift.uname,
             'giftName': gift.gift_name,
             'giftNum': gift.num,
@@ -89,6 +95,7 @@ class Room(blivedm.BLiveClient):
     async def _on_buy_guard(self, message: blivedm.GuardBuyMessage):
         self.send_message(Command.ADD_VIP, {
             'avatarUrl':  await get_avatar_url(message.uid),
+            'timestamp': message.start_time,
             'authorName': message.username
         })
 
@@ -128,14 +135,24 @@ class RoomManager:
             'timestamp': time.time(),
             'authorName': 'xfgryujk',
             'authorType': 0,
-            'content': '我能吞下玻璃而不伤身体'
+            'content': '我能吞下玻璃而不伤身体',
+            'privilegeType': 0,
+            'isGiftDanmaku': False,
+            'authorLevel': 20,
+            'isNewbie': False,
+            'isMobileVerified': True
         })
         room.send_message(Command.ADD_TEXT, {
             'avatarUrl': 'https://i0.hdslb.com/bfs/face/29b6be8aa611e70a3d3ac219cdaf5e72b604f2de.jpg@24w_24h.webp',
             'timestamp': time.time(),
             'authorName': '主播',
             'authorType': 3,
-            'content': "I can eat glass, it doesn't hurt me."
+            'content': "I can eat glass, it doesn't hurt me.",
+            'privilegeType': 0,
+            'isGiftDanmaku': False,
+            'authorLevel': 20,
+            'isNewbie': False,
+            'isMobileVerified': True
         })
         room.send_message(Command.ADD_VIP, {
             'avatarUrl': 'https://i0.hdslb.com/bfs/face/29b6be8aa611e70a3d3ac219cdaf5e72b604f2de.jpg@24w_24h.webp',
@@ -195,7 +212,7 @@ class ChatHandler(tornado.websocket.WebSocketHandler):
             logger.warning('未知的命令: %s data: %s', body['cmd'], body['data'])
 
     def on_close(self):
-        logger.info('Websocket断开 %s room: %d', self.request.remote_ip, self.room_id)
+        logger.info('Websocket断开 %s room: %s', self.request.remote_ip, self.room_id)
         if self.room_id is not None:
             room_manager.del_client(self.room_id, self)