diff --git a/yukihookapi/src/main/java/com/highcapable/yukihookapi/hook/utils/UtilsFactory.kt b/yukihookapi/src/main/java/com/highcapable/yukihookapi/hook/utils/UtilsFactory.kt
index e1899d4e..71583583 100644
--- a/yukihookapi/src/main/java/com/highcapable/yukihookapi/hook/utils/UtilsFactory.kt
+++ b/yukihookapi/src/main/java/com/highcapable/yukihookapi/hook/utils/UtilsFactory.kt
@@ -73,6 +73,19 @@ internal inline fun <reified T> Array<out T>.value() = if (isNotEmpty()) {
     "[${value.trim().let { it.substring(0, it.lastIndex) }}]"
 } else "[]"
 
+/**
+ * 通过 [conditions] 查找符合条件的最后一个元素的下标
+ * @return [Int] 没有找到符合条件的下标将返回 -1
+ */
+internal inline fun <reified T> Sequence<T>.findLastIndex(conditions: (T) -> Boolean) =
+    withIndex().findLast { conditions(it.value) }?.index ?: -1
+
+/**
+ * 返回最后一个元素的下标
+ * @return [Int] 如果 [Sequence] 为空将返回 -1
+ */
+internal inline fun <reified T> Sequence<T>.lastIndex() = foldIndexed(-1) { index, _, _ -> index }.takeIf { it >= 0 } ?: -1
+
 /**
  * 满足条件判断方法体 - 对 [kotlin.takeIf] 进行封装
  * @param other 需要满足不为空的对象 - 仅用于判断是否为 null