diff --git a/app/build.gradle b/app/build.gradle
index da1cacc81..2c2c2d9f6 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -65,7 +65,7 @@ android {
             version "3.10.2"
         }
     }
-    ndkVersion '22.0.7026061'
+    ndkVersion '21.0.6113669'
 }
 
 dependencies {
diff --git a/app/src/main/assets/powercfg/kona/active.sh b/app/src/main/assets/powercfg/kona/active.sh
index 0f5124820..dba5bf276 100644
--- a/app/src/main/assets/powercfg/kona/active.sh
+++ b/app/src/main/assets/powercfg/kona/active.sh
@@ -148,7 +148,7 @@ if [[ ! "$gpu_governor" = "msm-adreno-tz" ]]; then
   echo 'msm-adreno-tz' > /sys/class/kgsl/kgsl-3d0/devfreq/governor
 fi
 
-echo $gpu_max_freq > /sys/class/kgsl/kgsl-3d0/devfreq/max_freq
+# echo $gpu_max_freq > /sys/class/kgsl/kgsl-3d0/devfreq/max_freq
 echo $gpu_min_freq > /sys/class/kgsl/kgsl-3d0/devfreq/min_freq
 echo $gpu_min_pl > /sys/class/kgsl/kgsl-3d0/min_pwrlevel
 echo $gpu_max_pl > /sys/class/kgsl/kgsl-3d0/max_pwrlevel
@@ -214,9 +214,9 @@ if [[ "$action" = "powersave" ]]; then
   echo 0-2 > /dev/cpuset/background/cpus
   echo 0-3 > /dev/cpuset/system-background/cpus
 
-  sched_config "85 85" "96 96" "160" "260"
+  sched_config "85 85" "96 96" "150" "400"
 
-  sched_limit 0 0 0 5000 0 5000
+  sched_limit 0 0 0 10000 0 1000
 
   exit 0
 fi
@@ -239,7 +239,7 @@ if [[ "$action" = "balance" ]]; then
   echo 0-2 > /dev/cpuset/background/cpus
   echo 0-3 > /dev/cpuset/system-background/cpus
 
-  sched_config "78 85" "89 96" "120" "200"
+  sched_config "78 85" "89 96" "150" "400"
 
   sched_limit 0 0 0 500 0 500
 
@@ -264,7 +264,7 @@ if [[ "$action" = "performance" ]]; then
   echo 0-1 > /dev/cpuset/background/cpus
   echo 0-3 > /dev/cpuset/system-background/cpus
 
-  sched_config "62 78" "72 85" "85" "100"
+  sched_config "62 78" "72 85" "150" "400"
 
   sched_limit 0 0 0 0 0 0
 
@@ -289,7 +289,7 @@ if [[ "$action" = "fast" ]]; then
   echo 0 > /dev/cpuset/background/cpus
   echo 0-3 > /dev/cpuset/system-background/cpus
 
-  sched_config "55 75" "68 82" "85" "100"
+  sched_config "55 75" "68 82" "150" "400"
 
   sched_limit 5000 0 2000 0 2000 0
 
diff --git a/app/src/main/assets/powercfg/kona/conservative.sh b/app/src/main/assets/powercfg/kona/conservative.sh
index 74415837d..b1e29bb8a 100644
--- a/app/src/main/assets/powercfg/kona/conservative.sh
+++ b/app/src/main/assets/powercfg/kona/conservative.sh
@@ -147,7 +147,7 @@ if [[ ! "$gpu_governor" = "msm-adreno-tz" ]]; then
   echo 'msm-adreno-tz' > /sys/class/kgsl/kgsl-3d0/devfreq/governor
 fi
 
-echo $gpu_max_freq > /sys/class/kgsl/kgsl-3d0/devfreq/max_freq
+# echo $gpu_max_freq > /sys/class/kgsl/kgsl-3d0/devfreq/max_freq
 echo $gpu_min_freq > /sys/class/kgsl/kgsl-3d0/devfreq/min_freq
 echo $gpu_min_pl > /sys/class/kgsl/kgsl-3d0/min_pwrlevel
 echo $gpu_max_pl > /sys/class/kgsl/kgsl-3d0/max_pwrlevel
@@ -229,9 +229,9 @@ if [[ "$action" = "powersave" ]]; then
   echo 0-2 > /dev/cpuset/background/cpus
   echo 0-3 > /dev/cpuset/system-background/cpus
 
-  sched_config "85 85" "96 96" "160" "260"
+  sched_config "85 85" "96 96" "150" "400"
 
-  sched_limit 0 0 0 5000 0 5000
+  sched_limit 0 0 0 10000 0 1000
 
   exit 0
 fi
@@ -254,7 +254,7 @@ if [[ "$action" = "balance" ]]; then
   echo 0-2 > /dev/cpuset/background/cpus
   echo 0-3 > /dev/cpuset/system-background/cpus
 
-  sched_config "78 85" "89 96" "120" "200"
+  sched_config "78 85" "89 96" "150" "400"
 
   sched_limit 0 0 0 500 0 500
 
@@ -279,7 +279,7 @@ if [[ "$action" = "performance" ]]; then
   echo 0-1 > /dev/cpuset/background/cpus
   echo 0-3 > /dev/cpuset/system-background/cpus
 
-  sched_config "65 78" "75 88" "85" "100"
+  sched_config "65 78" "75 88" "150" "400"
 
   sched_limit 0 0 0 0 0 0
 
@@ -299,12 +299,12 @@ if [[ "$action" = "fast" ]]; then
   echo 1862400 > /sys/devices/system/cpu/cpufreq/policy7/schedutil/hispeed_freq
 
   echo `expr $gpu_min_pl - 2` > /sys/class/kgsl/kgsl-3d0/min_pwrlevel
-  echo 1 > /proc/sys/kernel/sched_boost
+  echo 0 > /proc/sys/kernel/sched_boost
 
   echo 0 > /dev/cpuset/background/cpus
   echo 0-3 > /dev/cpuset/system-background/cpus
 
-  sched_config "62 78" "72 85" "85" "100"
+  sched_config "62 78" "72 85" "150" "400"
 
   sched_limit 5000 0 2000 0 2000 0
 
diff --git a/app/src/main/java/com/omarea/vtools/activities/ActivityMain.kt b/app/src/main/java/com/omarea/vtools/activities/ActivityMain.kt
index e9af4d2f6..4506b3061 100644
--- a/app/src/main/java/com/omarea/vtools/activities/ActivityMain.kt
+++ b/app/src/main/java/com/omarea/vtools/activities/ActivityMain.kt
@@ -200,11 +200,15 @@ class ActivityMain : ActivityBase() {
     override fun onResume() {
         super.onResume()
 
+        /*
+        // 典藏版 不检查更新
+
         // 如果距离上次检查更新超过 24 小时
         if (globalSPF.getLong(SpfConfig.GLOBAL_SPF_LAST_UPDATE, 0) + (3600 * 24 * 1000) < System.currentTimeMillis()) {
             Update().checkUpdate(this)
             globalSPF.edit().putLong(SpfConfig.GLOBAL_SPF_LAST_UPDATE, System.currentTimeMillis()).apply()
         }
+        */
     }
 
     private fun setHomePage() {