diff --git a/utils/app.go b/utils/app.go
index 0408329..9c20c14 100644
--- a/utils/app.go
+++ b/utils/app.go
@@ -2,6 +2,7 @@ package utils
 
 func init() {
 	In.Array = InArray[any]
+	Array.Diff = ArrayDiff[any]
 	Array.Filter = ArrayFilter
 	Array.Remove = ArrayRemove
 	Array.Unique = ArrayUnique[any]
@@ -20,6 +21,7 @@ var In struct {
 }
 
 var Array struct {
+	Diff         func(array1, array2 []any) (slice []any)
 	Filter       func(array []string) (slice []string)
 	Remove       func(array []string, args ...string) (slice []string)
 	Unique       func(array []any) (slice []any)
diff --git a/utils/array.go b/utils/array.go
index ffea830..71325d2 100644
--- a/utils/array.go
+++ b/utils/array.go
@@ -78,3 +78,13 @@ func ArrayReverse[T any](array []T) (slice []T) {
 	}
 	return array
 }
+
+// ArrayDiff - 数组差集
+func ArrayDiff[T any](array1, array2 []T) (slice []T) {
+	for _, item := range array1 {
+		if !InArray(item, array2) {
+			slice = append(slice, item)
+		}
+	}
+	return slice
+}
diff --git a/utils/url.go b/utils/url.go
index 37b2a9c..a496e1c 100644
--- a/utils/url.go
+++ b/utils/url.go
@@ -13,6 +13,7 @@ type UrlStruct struct {
 
 // Encoded - 将 map 编码为 URL 查询字符串 - x-www-form-urlencoded
 func (this *UrlStruct) Encoded(params map[string]any) string {
+
 	var parts []string
 
 	for key, value := range params {