diff --git a/app/src/main/java/io/legado/app/help/BlurTransformation.kt b/app/src/main/java/io/legado/app/help/BlurTransformation.kt
index 7cf8de88b..9d60a9047 100644
--- a/app/src/main/java/io/legado/app/help/BlurTransformation.kt
+++ b/app/src/main/java/io/legado/app/help/BlurTransformation.kt
@@ -14,6 +14,9 @@ import com.bumptech.glide.load.resource.bitmap.BitmapTransformation
 
 import java.security.MessageDigest
 
+/**
+ * 模糊
+ */
 class BlurTransformation(context: Context, private val radius: Int) : BitmapTransformation() {
     private val rs: RenderScript = RenderScript.create(context)
 
diff --git a/app/src/main/java/io/legado/app/help/ReadBookConfig.kt b/app/src/main/java/io/legado/app/help/ReadBookConfig.kt
index cea83752d..d26f67bbd 100644
--- a/app/src/main/java/io/legado/app/help/ReadBookConfig.kt
+++ b/app/src/main/java/io/legado/app/help/ReadBookConfig.kt
@@ -13,6 +13,9 @@ import java.io.File
 import java.io.FileWriter
 import java.io.IOException
 
+/**
+ * 阅读界面配置
+ */
 object ReadBookConfig {
     private val configList: ArrayList<Config> by lazy {
         val list: ArrayList<Config> = arrayListOf()