diff --git a/lxutils.go b/lxutils.go
index 235e0b4..cd48cb7 100644
--- a/lxutils.go
+++ b/lxutils.go
@@ -148,3 +148,31 @@ func Round(value float64, n int32) float64 {
 	f, _ := d.Round(n).Float64()
 	return f
 }
+
+// 判断在不在数组中
+func CheckInArr[T int | string | uint](target T, strArray []T) bool {
+	for _, element := range strArray {
+		if target == element {
+			return true
+		}
+	}
+	return false
+}
+
+// 数组去重
+func RemoveRepeatedElement[T int | string | uint](arr []T) (newArr []T) {
+	newArr = make([]T, 0)
+	for i := 0; i < len(arr); i++ {
+		repeat := false
+		for j := 0; j < len(newArr); j++ {
+			if arr[i] == newArr[j] {
+				repeat = true
+				break
+			}
+		}
+		if !repeat {
+			newArr = append(newArr, arr[i])
+		}
+	}
+	return
+}