diff --git a/README.md b/README.md
index b67f0bf..7294b79 100644
--- a/README.md
+++ b/README.md
@@ -472,7 +472,7 @@ onClose = { liveClient, closeReason ->
 
 如果数据包被中间人修改, 那么可能不会触发 `onConnect` 回调, 但是会触发 `onClose`.
 
-如果手动取消了执行 `start()` 方法的协程将不会触发 `onClose`. 
+如果手动取消了执行 `start()` 方法的协程将不会触发 `onClose`.
 
 ## 发送直播弹幕
 在直播间里发送弹幕也非常简单(必须先登陆)
diff --git a/src/main/kotlin/com/hiczp/bilibili/api/live/websocket/LiveClient.kt b/src/main/kotlin/com/hiczp/bilibili/api/live/websocket/LiveClient.kt
index 1d22dae..c9292b7 100644
--- a/src/main/kotlin/com/hiczp/bilibili/api/live/websocket/LiveClient.kt
+++ b/src/main/kotlin/com/hiczp/bilibili/api/live/websocket/LiveClient.kt
@@ -9,7 +9,6 @@ import io.ktor.client.features.websocket.WebSockets
 import io.ktor.client.features.websocket.wss
 import io.ktor.http.cio.websocket.CloseReason
 import io.ktor.http.cio.websocket.WebSocketSession
-import io.ktor.http.cio.websocket.close
 import io.ktor.util.InternalAPI
 import io.ktor.util.KtorExperimentalAPI
 import io.ktor.util.decodeString
@@ -155,9 +154,10 @@ class LiveClient(
     /**
      * 关闭连接
      */
-    suspend fun close() = websocketSession?.run {
+    fun close() = websocketSession?.run {
         websocketSession = null
-        close(CloseReason(CloseReason.Codes.NORMAL, "user close"))
+        //client 不能使用 close(), 因为 WebsocketSession 本体执行完毕时会自动执行一次 close(), 这会导致多次关闭
+        incoming.cancel()
     } ?: Unit
 
     /**
diff --git a/src/main/kotlin/com/hiczp/bilibili/api/live/websocket/PacketType.kt b/src/main/kotlin/com/hiczp/bilibili/api/live/websocket/PacketType.kt
index 794e804..e6bdf2c 100644
--- a/src/main/kotlin/com/hiczp/bilibili/api/live/websocket/PacketType.kt
+++ b/src/main/kotlin/com/hiczp/bilibili/api/live/websocket/PacketType.kt
@@ -15,6 +15,8 @@ enum class PacketType(val value: Int) {
     ENTER_ROOM_RESPONSE(8);
 
     companion object {
-        fun getByValue(value: Int) = values().firstOrNull { it.value == value } ?: UNKNOWN
+        private val byValueMap = PacketType.values().associateBy { it.value }
+
+        fun getByValue(value: Int) = byValueMap[value] ?: UNKNOWN
     }
 }
diff --git a/src/test/kotlin/com/hiczp/bilibili/api/test/LiveClientTest.kt b/src/test/kotlin/com/hiczp/bilibili/api/test/LiveClientTest.kt
index 08c5c2e..5fe336b 100644
--- a/src/test/kotlin/com/hiczp/bilibili/api/test/LiveClientTest.kt
+++ b/src/test/kotlin/com/hiczp/bilibili/api/test/LiveClientTest.kt
@@ -20,6 +20,11 @@ class LiveClientTest {
                     sendUserOnlineHeart = true,
                     onConnect = {
                         println("Connected")
+                        //想要这么做的人一定逻辑学有问题
+//                        launch {
+//                            delay(5_000)
+//                            it.close()
+//                        }
                     },
                     onPopularityPacket = { _, popularity ->
                         println("Current popularity: $popularity")