diff --git a/app/src/main/java/com/fankes/coloros/notify/utils/factory/FunctionFactory.kt b/app/src/main/java/com/fankes/coloros/notify/utils/factory/FunctionFactory.kt
index 1e15a2d..8951f46 100644
--- a/app/src/main/java/com/fankes/coloros/notify/utils/factory/FunctionFactory.kt
+++ b/app/src/main/java/com/fankes/coloros/notify/utils/factory/FunctionFactory.kt
@@ -280,6 +280,13 @@ val Int.isWhite
         (0.2126 * r + 0.7152 * g + 0.0722 * b) >= 128
     }
 
+/**
+ * 调整颜色透明度
+ * @param value 透明度
+ * @return [Int] 调整后的颜色
+ */
+fun Int.colorAlphaOf(value: Float) = safeOfNan { (255.coerceAtMost(0.coerceAtLeast((value * 255).toInt())) shl 24) + (0x00ffffff and this) }
+
 /**
  * Base64 加密
  * @return [String]