diff --git a/common.go b/common.go
index c41709b..4688d31 100644
--- a/common.go
+++ b/common.go
@@ -90,3 +90,19 @@ func ExistFile(file string) bool {
 	// 其他错误
 	return false
 }
+
+func UniqueSlice[T comparable](rawSlice []T) []T {
+	if len(rawSlice) <= 1 {
+		return rawSlice
+	}
+
+	uniqueSlice := make([]T, 0, len(rawSlice))
+	has := make(map[T]bool, len(rawSlice))
+	for _, v := range rawSlice {
+		if !has[v] {
+			uniqueSlice = append(uniqueSlice, v)
+			has[v] = true
+		}
+	}
+	return uniqueSlice
+}
diff --git a/myconf/conf.go b/myconf/conf.go
index 97d46e3..1e81cbd 100644
--- a/myconf/conf.go
+++ b/myconf/conf.go
@@ -225,6 +225,12 @@ func (c *Config) Get(key string) any {
 	return c.kof.Get(key)
 }
 
+func (c *Config) Exists(key string) bool {
+	c.RLock()
+	defer c.RUnLock()
+	return c.kof.Exists(key)
+}
+
 func (c *Config) GetString(key string) string {
 	c.RLock()
 	defer c.RUnLock()