diff --git a/src/main/scala/com/github/shadowsocks/Shadowsocks.scala b/src/main/scala/com/github/shadowsocks/Shadowsocks.scala
index d2c6646d..2c739d72 100644
--- a/src/main/scala/com/github/shadowsocks/Shadowsocks.scala
+++ b/src/main/scala/com/github/shadowsocks/Shadowsocks.scala
@@ -450,13 +450,13 @@ class Shadowsocks
 
   private def updatePreferenceScreen() {
     val profile = currentProfile
-    if (profile.host == "198.199.101.152" && adView == null) {
+    if (profile.host == "198.199.101.152") if (adView == null) {
       adView = new AdView(this)
       adView.setAdUnitId("ca-app-pub-9097031975646651/7760346322")
       adView.setAdSize(AdSize.SMART_BANNER)
       preferences.getView.asInstanceOf[ViewGroup].addView(adView, 0)
       adView.loadAd(new AdRequest.Builder().build())
-    }
+    } else adView.setVisibility(View.VISIBLE) else if (adView != null) adView.setVisibility(View.GONE)
 
     preferences.update(profile)
   }