diff --git a/api/chat.py b/api/chat.py
index 470be83..93c628d 100644
--- a/api/chat.py
+++ b/api/chat.py
@@ -44,6 +44,7 @@ class ContentType(enum.IntEnum):
 class FatalErrorType(enum.IntEnum):
     AUTH_CODE_ERROR = 1
     TOO_MANY_RETRIES = 2
+    TOO_MANY_CONNECTIONS = 3
 
 
 def make_message_body(cmd, data):
diff --git a/frontend/src/api/chat/ChatClientDirectOpenLive.js b/frontend/src/api/chat/ChatClientDirectOpenLive.js
index b640f2e..bae289d 100644
--- a/frontend/src/api/chat/ChatClientDirectOpenLive.js
+++ b/frontend/src/api/chat/ChatClientDirectOpenLive.js
@@ -45,8 +45,11 @@ export default class ChatClientDirectOpenLive extends ChatClientOfficialBase {
         if (res.code === 7007) {
           // 身份码错误
           throw new chatModels.ChatClientFatalError(chatModels.FATAL_ERROR_TYPE_AUTH_CODE_ERROR, msg)
+        } else if (res.code === 7010) {
+          // 同一个房间连接数超过上限
+          throw new chatModels.ChatClientFatalError(chatModels.FATAL_ERROR_TYPE_TOO_MANY_CONNECTIONS, msg)
         }
-        throw Error(msg)
+        throw new Error(msg)
       }
     } catch (e) {
       console.error('startGame failed:', e)
@@ -87,7 +90,7 @@ export default class ChatClientDirectOpenLive extends ChatClientOfficialBase {
       })).data
       // 项目已经关闭了也算成功
       if ([0, 7000, 7003].indexOf(res.code) === -1) {
-        throw Error(`code=${res.code}, message=${res.message}, request_id=${res.request_id}`)
+        throw new Error(`code=${res.code}, message=${res.message}, request_id=${res.request_id}`)
       }
     } catch (e) {
       console.error('endGame failed:', e)
@@ -125,7 +128,7 @@ export default class ChatClientDirectOpenLive extends ChatClientOfficialBase {
           this.needInitRoom = true
           this.discardWebsocket()
         }
-        throw Error(`code=${res.code}, message=${res.message}, request_id=${res.request_id}`)
+        throw new Error(`code=${res.code}, message=${res.message}, request_id=${res.request_id}`)
       }
     } catch (e) {
       console.error('sendGameHeartbeat failed:', e)
diff --git a/frontend/src/api/chat/ChatClientOfficialBase/index.js b/frontend/src/api/chat/ChatClientOfficialBase/index.js
index 38af21d..7a0f191 100644
--- a/frontend/src/api/chat/ChatClientOfficialBase/index.js
+++ b/frontend/src/api/chat/ChatClientOfficialBase/index.js
@@ -69,7 +69,7 @@ export default class ChatClientOfficialBase {
   }
 
   async initRoom() {
-    throw Error('Not implemented')
+    throw new Error('Not implemented')
   }
 
   makePacket(data, operation) {
@@ -95,7 +95,7 @@ export default class ChatClientOfficialBase {
   }
 
   sendAuth() {
-    throw Error('Not implemented')
+    throw new Error('Not implemented')
   }
 
   addDebugMsg(content) {
@@ -139,13 +139,13 @@ export default class ChatClientOfficialBase {
 
     if (!res) {
       window.setTimeout(() => this.onWsClose(), 0)
-      throw Error('initRoom failed')
+      throw new Error('initRoom failed')
     }
     this.needInitRoom = false
   }
 
   getWsUrl() {
-    throw Error('Not implemented')
+    throw new Error('Not implemented')
   }
 
   onWsOpen() {
diff --git a/frontend/src/api/chat/models.js b/frontend/src/api/chat/models.js
index 22e0ed0..96d7e2a 100644
--- a/frontend/src/api/chat/models.js
+++ b/frontend/src/api/chat/models.js
@@ -114,6 +114,7 @@ export class UpdateTranslationMsg {
 
 export const FATAL_ERROR_TYPE_AUTH_CODE_ERROR = 1
 export const FATAL_ERROR_TYPE_TOO_MANY_RETRIES = 2
+export const FATAL_ERROR_TYPE_TOO_MANY_CONNECTIONS = 3
 
 export class ChatClientFatalError extends Error {
   constructor(type, message) {
diff --git a/frontend/src/views/Room.vue b/frontend/src/views/Room.vue
index ba69c93..f26959a 100644
--- a/frontend/src/views/Room.vue
+++ b/frontend/src/views/Room.vue
@@ -349,7 +349,7 @@ export default {
     onFatalError(error) {
       this.$message.error({
         message: error.toString(),
-        duration: 10 * 1000
+        duration: 30 * 1000
       })
       this.onAddText(new chatModels.AddTextMsg({
         authorName: 'blivechat',
diff --git a/services/chat.py b/services/chat.py
index c4b3df7..02444d8 100644
--- a/services/chat.py
+++ b/services/chat.py
@@ -278,6 +278,14 @@ class OpenLiveClient(blivedm.OpenLiveClient):
                         'type': api.chat.FatalErrorType.AUTH_CODE_ERROR,
                         'msg': str(e)
                     })
+            elif e.code == 7010:
+                # 同一个房间连接数超过上限
+                room = client_room_manager.get_room(self.room_key)
+                if room is not None:
+                    room.send_cmd_data(api.chat.Command.FATAL_ERROR, {
+                        'type': api.chat.FatalErrorType.TOO_MANY_CONNECTIONS,
+                        'msg': str(e)
+                    })
 
             return False
         return self._parse_start_game(data['data'])