diff --git a/src/main/scala/com/github/shadowsocks/ShadowsocksService.scala b/src/main/scala/com/github/shadowsocks/ShadowsocksService.scala
index c0bf4928..655748ea 100644
--- a/src/main/scala/com/github/shadowsocks/ShadowsocksService.scala
+++ b/src/main/scala/com/github/shadowsocks/ShadowsocksService.scala
@@ -106,7 +106,7 @@ class ShadowsocksService extends Service {
   private var lastTxRate = 0
   private var lastRxRate = 0
   private var timer: Timer = null
-  private val TIMER_INTERVAL = 1
+  private val TIMER_INTERVAL = 2
 
   private def changeState(s: Int) {
     if (state != s) {