diff --git a/applist b/applist
index 19465b6..4959dcc 100644
--- a/applist
+++ b/applist
@@ -2,39 +2,14 @@ tv.danmaku.bili
 com.xingin.xhs
 com.jingdong.app.mall
 com.taobao.taobao
-com.xunmeng.pinduoduo
 com.ss.android.article.news
 com.sina.weibo
-com.tencent.mobileqq
-com.tencent.qqlive
 com.smile.gifmaker
-com.netease.cloudmusic
 air.tv.douyu.android
 com.autonavi.minimap
-com.sankuai.meituan
-com.tencent.mm
-com.eg.android.AlipayGphone
 com.ss.android.ugc.aweme.lite
 com.kuaishou.nebula
 com.sup.android.superb
-com.baidu.searchbox
-com.tencent.weread
-com.tencent.tmgp.sgame
-com.qiyi.video
-com.UCMobile
 com.ss.android.ugc.aweme
 com.taobao.idlefish
-com.happyelements.AndroidAnimal
-com.android.deskclock
-com.tencent.qqmusic
-com.android.camera
-com.tencent.mtt
-com.dragon.read
-com.baidu.tieba
-com.miHoYo.Yuanshen
-com.quark.browser
-com.tencent.tmgp.pubgmhd
-com.tencent.jkchess
-com.kmxs.reader
-com.ss.android.article.lite
 com.duowan.kiwi
diff --git a/clear_apps.py b/clear_apps.py
index 3fd0cd7..10e2f0b 100755
--- a/clear_apps.py
+++ b/clear_apps.py
@@ -9,7 +9,7 @@ def clear_all_apps():
         try:
             d.keyevent("HOME")
             d.keyevent("HOME")
-            d.keyevent("MENU")
+            d.keyevent("312")
             time.sleep(1)
             if "com.miui.home:id/recents_container" not in d.dump_hierarchy():
                 continue
diff --git a/perfconf.txt b/perfconf.txt
index 62bdcaa..4614e8f 100644
--- a/perfconf.txt
+++ b/perfconf.txt
@@ -98,5 +98,5 @@ data_sources: {
         }
     }
 }
-duration_ms: 80000
+duration_ms: 20000
 
diff --git a/run.sh b/run.sh
index 7c8503b..b725b6b 100755
--- a/run.sh
+++ b/run.sh
@@ -5,7 +5,7 @@ wait=3
 clear_background=0
 mthp_stat=0
 
-while getopts ":s:c:w:h:C:T" opt
+while getopts ":s:c:w:h:kT" opt
 do
 	case $opt in
 		s)
@@ -14,7 +14,7 @@ do
 		c)
 			cycle=$OPTARG
 		;;
-		C)
+		k)
 			clear_background=1
 		;;
 		w)
@@ -33,7 +33,7 @@ do
 			echo "-s: specify serial id of device"
 			echo "-c: specify applist startup cycle"
 			echo "-w: specify wait time after app start, before start next app, default 10 s"
-			echo "-C: if to kill all background apps before start app"
+			echo "-k: if to kill all background apps before start app"
 			echo "-T: if check app's mTHP status"
 			exit 1
 		;;