diff --git a/AsyncSocket/src/test/kotlin/cn/tursom/datagram/server/test.kt b/AsyncSocket/src/test/kotlin/cn/tursom/datagram/server/test.kt
index 7a1fa83..e82346c 100644
--- a/AsyncSocket/src/test/kotlin/cn/tursom/datagram/server/test.kt
+++ b/AsyncSocket/src/test/kotlin/cn/tursom/datagram/server/test.kt
@@ -5,7 +5,7 @@ import cn.tursom.core.pool.DirectMemoryPool
 import cn.tursom.datagram.AsyncDatagramClient
 import cn.tursom.log.impl.Slf4jImpl
 import cn.tursom.socket.NioClient
-import cn.tursom.socket.server.BuffedNioServer
+import cn.tursom.socket.server.BufferedNioServer
 import kotlinx.coroutines.runBlocking
 
 val logger = Slf4jImpl.getLogger()
@@ -22,7 +22,7 @@ val echoHandler: suspend BufferedAsyncChannel.() -> Unit = {
 fun main() {
   val port = 12345
   val pool = DirectMemoryPool(1024, 16)
-  val server = BuffedNioServer(port, pool, handler = echoHandler)
+  val server = BufferedNioServer(port, pool, handler = echoHandler)
   //val server = LoopDatagramServer(port, protocol = object : NioProtocol {
   //  override fun handleRead(key: SelectionKey, nioThread: NioThread) {
   //    val datagramChannel = key.channel() as DatagramChannel
diff --git a/src/main/kotlin/cn/tursom/core/datastruct/AtomicBitSet.kt b/src/main/kotlin/cn/tursom/core/datastruct/AtomicBitSet.kt
index b3a2307..3f9e997 100644
--- a/src/main/kotlin/cn/tursom/core/datastruct/AtomicBitSet.kt
+++ b/src/main/kotlin/cn/tursom/core/datastruct/AtomicBitSet.kt
@@ -1,10 +1,7 @@
 package cn.tursom.core.datastruct
 
-import cn.tursom.core.randomInt
-import cn.tursom.core.usingTime
 import java.io.Serializable
 import java.lang.reflect.Field
-import java.util.concurrent.atomic.AtomicInteger
 import java.util.concurrent.atomic.AtomicLongArray
 import kotlin.random.Random
 
@@ -229,26 +226,3 @@ class AtomicBitSet(beginSize: Long = 256, val defaultState: Boolean = false) : S
     }
   }
 }
-
-//val scand = AtomicInteger(0)
-
-fun main() {
-  val size = 1000000
-  val bitSet = AtomicBitSet(size.toLong())
-  println(usingTime {
-    repeat(1000) {
-      bitSet.downAll()
-      repeat(size) {
-        val index = bitSet.getDownIndex()
-        bitSet.up(index)
-        repeat(randomInt(0, 3) / 2) {
-          val randomUpIndex = bitSet.randomUpIndex()
-          if (randomUpIndex >= 0) {
-            bitSet.down(randomUpIndex)
-          }
-        }
-      }
-    }
-  })
-  //println(scand.get() / 100)
-}
\ No newline at end of file