diff --git a/src/client.js b/src/client.js
index 35db8fd..ee09054 100644
--- a/src/client.js
+++ b/src/client.js
@@ -119,7 +119,8 @@ export default class ClientList {
                     }
                     webrtc.oniceconnectionstatechange = async event => {
                         if (webrtc.iceConnectionState === 'disconnected' || webrtc.iceConnectionState === 'failed') {
-                            console.error(data.name, '需要添加新的 candidate')
+                            const client = this.clientlist.find(x => x.id === data.id)
+                            console.error(data.name, '需要添加新的 candidate', client.online)
                             // 添加新的 candidate
                         } else if (webrtc.iceConnectionState === 'connected' || webrtc.iceConnectionState === 'completed') {
                             //console.debug(data.name, 'WebRTC 连接已经建立成功')
@@ -147,7 +148,7 @@ export default class ClientList {
                     const { webrtc, channels } = await webrtc_init()
                     const offer = await webrtc.createOffer()
                     await webrtc.setLocalDescription(offer)
-                    this.clientlist.push({ id: data.id, name: data.name, webrtc, channels })
+                    this.clientlist.push({ id: data.id, name: data.name, webrtc, channels, online: true })
                     websocket.send(JSON.stringify({ type: 'offer', id: data.id, offer }))
                     this.push(this.clientlist.find(client => client.id === data.id))
                     return
@@ -158,11 +159,14 @@ export default class ClientList {
                 }
                 if (data.type === 'pull') {
                     //console.debug('移除客户端:', data)
+                    const client = this.clientlist.find(client => client.id === data.id)
+                    if (!client) return console.error('目标用户本不存在')
+                    client.online = false  // 离开时改变状态
                     return this.exit(data)
                 }
                 if (data.type === 'offer') {
                     const { webrtc, channels } = await webrtc_init()
-                    this.clientlist.push({ id: data.id, name: data.name, webrtc, channels })
+                    this.clientlist.push({ id: data.id, name: data.name, webrtc, channels, online: true })
                     this.push(this.clientlist.find(client => client.id === data.id))
                     await webrtc.setRemoteDescription(data.offer)
                     const answer = await webrtc.createAnswer()
@@ -239,7 +243,7 @@ export default class ClientList {
         const avatar = localStorage.getItem('avatar')
         this.push({ id, name: username, avatar }, true)
     }
-    async 用户列表() {}
+    async 用户列表() { }
     async 用户加入(data) {
         await set(data.id, data, this.store)
         this.push(data)