diff --git a/app/build.gradle b/app/build.gradle
index e49b041a2..58ce975d7 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -213,9 +213,6 @@ dependencies {
     implementation("io.noties.markwon:ext-tables:$markwonVersion")
     implementation("io.noties.markwon:html:$markwonVersion")
 
-    // 谷歌RenderScript库
-    implementation('com.github.android:renderscript-intrinsics-replacement-toolkit:b6363490c3')
-
     //转换繁体
     implementation('com.github.liuyueyi.quick-chinese-transfer:quick-transfer-core:0.2.1')
 
diff --git a/app/src/main/java/io/legado/app/help/ThemeConfig.kt b/app/src/main/java/io/legado/app/help/ThemeConfig.kt
index 506082c9d..1da67c7cb 100644
--- a/app/src/main/java/io/legado/app/help/ThemeConfig.kt
+++ b/app/src/main/java/io/legado/app/help/ThemeConfig.kt
@@ -6,7 +6,6 @@ import android.graphics.Color
 import android.util.DisplayMetrics
 import androidx.annotation.Keep
 import androidx.appcompat.app.AppCompatDelegate
-import com.google.android.renderscript.Toolkit
 import io.legado.app.R
 import io.legado.app.constant.EventBus
 import io.legado.app.constant.PreferKey
@@ -60,7 +59,7 @@ object ThemeConfig {
         val bgImage = BitmapUtils
             .decodeBitmap(bgCfg.first!!, metrics.widthPixels, metrics.heightPixels)
             ?: return null
-        return Toolkit.blur(bgImage, bgCfg.second)
+        return BitmapUtils.stackBlur(bgImage, bgCfg.second.toFloat())
     }
 
     fun upConfig() {
diff --git a/app/src/main/java/io/legado/app/utils/BitmapUtils.kt b/app/src/main/java/io/legado/app/utils/BitmapUtils.kt
index 2e7ae06ba..c200980c2 100644
--- a/app/src/main/java/io/legado/app/utils/BitmapUtils.kt
+++ b/app/src/main/java/io/legado/app/utils/BitmapUtils.kt
@@ -249,7 +249,7 @@ object BitmapUtils {
     /**
      * 高斯模糊
      */
-    fun stackBlur(srcBitmap: Bitmap?): Bitmap? {
+    fun stackBlur(srcBitmap: Bitmap?, radius: Float = 8f): Bitmap? {
         if (srcBitmap == null) return null
         val rs = RenderScript.create(appCtx)
         val blurredBitmap = srcBitmap.copy(Config.ARGB_8888, true)
@@ -268,7 +268,7 @@ object BitmapUtils {
         script.setInput(input)
 
         //设置模糊半径
-        script.setRadius(8f)
+        script.setRadius(radius)
 
         //启动 ScriptIntrinsicBlur
         script.forEach(output)