diff --git a/app/src/main/java/com/fankes/tsbattery/ui/view/MaterialSwitch.kt b/app/src/main/java/com/fankes/tsbattery/ui/view/MaterialSwitch.kt
index 312f64a..938e197 100644
--- a/app/src/main/java/com/fankes/tsbattery/ui/view/MaterialSwitch.kt
+++ b/app/src/main/java/com/fankes/tsbattery/ui/view/MaterialSwitch.kt
@@ -44,7 +44,7 @@ class MaterialSwitch(context: Context, attrs: AttributeSet?) : SwitchCompat(cont
         return ColorStateList(states, colors)
     }
 
-    private val thumbColor get() = if (isSystemInDarkMode) 0xFF7C7C7C else 0xFFCCCCCC
+    private val thumbColor get() = if (context.isSystemInDarkMode) 0xFF7C7C7C else 0xFFCCCCCC
 
     init {
         trackDrawable = DrawableBuilder()
diff --git a/app/src/main/java/com/fankes/tsbattery/utils/factory/FunctionFactory.kt b/app/src/main/java/com/fankes/tsbattery/utils/factory/FunctionFactory.kt
index cad9e5f..71e72f4 100644
--- a/app/src/main/java/com/fankes/tsbattery/utils/factory/FunctionFactory.kt
+++ b/app/src/main/java/com/fankes/tsbattery/utils/factory/FunctionFactory.kt
@@ -19,7 +19,7 @@
  *
  * This file is Created by fankes on 2022/1/7.
  */
-@file:Suppress("DEPRECATION")
+@file:Suppress("DEPRECATION", "unused")
 
 package com.fankes.tsbattery.utils.factory
 
@@ -42,8 +42,7 @@ import com.google.android.material.snackbar.Snackbar
  * 系统深色模式是否开启
  * @return [Boolean] 是否开启
  */
-val isSystemInDarkMode
-    get() = (appContext.resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK) == Configuration.UI_MODE_NIGHT_YES
+val isSystemInDarkMode get() = appContext.isSystemInDarkMode
 
 /**
  * 系统深色模式是否没开启
@@ -51,6 +50,18 @@ val isSystemInDarkMode
  */
 inline val isNotSystemInDarkMode get() = !isSystemInDarkMode
 
+/**
+ * 系统深色模式是否开启
+ * @return [Boolean] 是否开启
+ */
+val Context.isSystemInDarkMode get() = (resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK) == Configuration.UI_MODE_NIGHT_YES
+
+/**
+ * 系统深色模式是否没开启
+ * @return [Boolean] 是否开启
+ */
+inline val Context.isNotSystemInDarkMode get() = !isSystemInDarkMode
+
 /**
  * 得到安装包信息
  * @return [PackageInfo]