diff --git a/utils/array.go b/utils/array.go
index 4829351..49b6491 100644
--- a/utils/array.go
+++ b/utils/array.go
@@ -2,37 +2,61 @@ package utils
 
 import "strings"
 
-func In(target string, array []string) bool {
-	target = strings.Trim(target, "")
+// ArrayInString 判断字符串是否存在于字符串切片中
+// target: 待匹配的目标字符串
+// array: 需要查找的字符串切片
+func ArrayInString(target string, array []string) bool {
+	target = strings.TrimSpace(target)
 	for _, v := range array {
-		if strings.Trim(v, "") == target {
+		if strings.TrimSpace(v) == target {
 			return true
 		}
 	}
 	return false
 }
 
-// 字符串数组是否存在
-func StrArrayIndex(items []string, item string) int {
-	for i, eachItem := range items {
-		if eachItem == item {
-			return i
+// ArrayInInt 判断整数是否存在于整型切片中
+// target: 待匹配的目标整数
+// array: 需要查找的整型切片
+func ArrayInInt(target int, array []int) bool {
+	for _, v := range array {
+		if v == target {
+			return true
 		}
 	}
-	return -1
+	return false
 }
 
-func RemoveRepeatSlice(in []string) (out []string) {
-	_map := make(map[string]bool)
-	for i := 0; i < len(in); i++ {
-		if in[i] != "" {
-			_map[in[i]] = true
+// ArrayRemoveRepeatString 去除字符串切片中的重复元素（保持原有顺序）
+// in: 原始字符串切片
+// 返回: 去重后的字符串切片
+func ArrayRemoveRepeatString(in []string) (out []string) {
+	seen := make(map[string]struct{})
+	for _, v := range in {
+		trimmed := strings.TrimSpace(v)
+		if trimmed == "" {
+			continue
 		}
+		if _, ok := seen[trimmed]; ok {
+			continue
+		}
+		seen[trimmed] = struct{}{}
+		out = append(out, trimmed)
+	}
+	return out
+}
+
+// ArrayRemoveRepeatInt 去除整型切片中的重复元素（保持原有顺序）
+// in: 原始整型切片
+// 返回: 去重后的整型切片
+func ArrayRemoveRepeatInt(in []int) (out []int) {
+	seen := make(map[int]struct{})
+	for _, v := range in {
+		if _, ok := seen[v]; ok {
+			continue
+		}
+		seen[v] = struct{}{}
+		out = append(out, v)
 	}
-
-	for key, _ := range _map {
-		out = append(out, key)
-	}
-
 	return out
 }