diff --git a/app/src/main/assets/updateLog.md b/app/src/main/assets/updateLog.md
index 106f97d6f..2844f805f 100644
--- a/app/src/main/assets/updateLog.md
+++ b/app/src/main/assets/updateLog.md
@@ -14,7 +14,7 @@
 **2022/03/09**
 
 * 添加通用封面规则,在封面设置里,进入详情页会使用此规则重新获取封面
-*
+* 修复一些bug
 
 **2022/03/07**
 
diff --git a/app/src/main/java/io/legado/app/data/entities/KeyboardHelp.kt b/app/src/main/java/io/legado/app/data/entities/KeyboardHelp.kt
new file mode 100644
index 000000000..ac30b3e5a
--- /dev/null
+++ b/app/src/main/java/io/legado/app/data/entities/KeyboardHelp.kt
@@ -0,0 +1,4 @@
+package io.legado.app.data.entities
+
+class KeyboardHelp {
+}
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/widget/KeyboardToolPop.kt b/app/src/main/java/io/legado/app/ui/widget/KeyboardToolPop.kt
index 276ce4704..6ac681ec0 100644
--- a/app/src/main/java/io/legado/app/ui/widget/KeyboardToolPop.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/KeyboardToolPop.kt
@@ -11,7 +11,9 @@ import io.legado.app.base.adapter.RecyclerAdapter
 import io.legado.app.databinding.ItemFilletTextBinding
 import io.legado.app.databinding.PopupKeyboardToolBinding
 
-
+/**
+ * 键盘帮助浮窗
+ */
 class KeyboardToolPop(
     context: Context,
     private val chars: List<String>,