diff --git a/go.mod b/go.mod
index 95e4d2391..8b689d7eb 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module Open_IM
 
-go 1.15
+go 1.18
 
 require (
 	firebase.google.com/go v3.13.0+incompatible
diff --git a/pkg/utils/strings.go b/pkg/utils/strings.go
index f6980613d..d2896cf78 100644
--- a/pkg/utils/strings.go
+++ b/pkg/utils/strings.go
@@ -122,6 +122,18 @@ func RemoveDuplicateElement(idList []string) []string {
 	return result
 }
 
+func RemoveDuplicate[T comparable](arr []T) []T {
+	result := make([]T, 0, len(arr))
+	temp := map[T]struct{}{}
+	for _, item := range arr {
+		if _, ok := temp[item]; !ok {
+			temp[item] = struct{}{}
+			result = append(result, item)
+		}
+	}
+	return result
+}
+
 func IsDuplicateStringSlice(arr []string) bool {
 	t := make(map[string]struct{})
 	for _, s := range arr {