diff --git a/utils/func.go b/utils/func.go
new file mode 100644
index 0000000..aa0eed6
--- /dev/null
+++ b/utils/func.go
@@ -0,0 +1,40 @@
+package utils
+
+import (
+	"errors"
+	"fmt"
+)
+
+// PipeCallback executes a series of functions where the output of each function is passed as input to the next function.
+// Returns a function that can be invoked to run the entire execution process.
+func PipeCallback[T any](fns ...func(args T) T) func(args T) T {
+    return func(args T) T {
+        result := args
+        for _, fn := range fns {
+            result = fn(result)
+        }
+        return result
+    }
+}
+
+func Times(cb func(...any) any, x int) func(...any) any {
+	value := any(nil)
+	times := 0
+	return func(args ...any) any {
+		if times < x {
+			defer func() {
+				if r := recover(); r != nil {
+					err, ok := r.(error)
+					if !ok {
+						err = errors.New(fmt.Sprint(r))
+					}
+					fmt.Println("Error occurred:", err)
+				}
+			}()
+			value = cb(args...)
+			times++
+		}
+
+		return value
+	}
+}
diff --git a/utils/func_test.go b/utils/func_test.go
new file mode 100644
index 0000000..f6b4fc6
--- /dev/null
+++ b/utils/func_test.go
@@ -0,0 +1,30 @@
+package utils_test
+
+import (
+	"fmt"
+	"testing"
+
+	utils "jingyuexing.com/utils"
+)
+
+func TestPipelCallback(t *testing.T){
+    addOne := func(x int) int {
+        return x + 1
+    }
+
+    double := func(x int) int {
+        return x * 2
+    }
+
+    square := func(x int) int {
+        return x * x
+    }
+    composeFunc := utils.PipeCallback(addOne,double,square)
+
+    result := composeFunc(55)
+    if result != 12544 {
+        t.Error("no pass")
+    }else{
+        fmt.Printf("%d",result)
+    }
+}
diff --git a/utils/options.go b/utils/options.go
index 3be16a0..6ba16b5 100644
--- a/utils/options.go
+++ b/utils/options.go
@@ -77,9 +77,6 @@ type People struct {
 }
 
 func main(){
-    var age *int = nil;
-    ok := Option(age)
-    vals := *ok.Expect("this is nil pointer")
     somePeople := Option(&People{
         Age: 20,
         Name: "Gog",
diff --git a/utils/utils_test.go b/utils/utils_test.go
index 831e572..4eb23b4 100644
--- a/utils/utils_test.go
+++ b/utils/utils_test.go
@@ -8,7 +8,7 @@ import (
 )
 
 func TestFormat(t *testing.T) {
-	result := utils.Template("{a} {b}", map[string]string{
+	result := utils.Template("{a} {b}", map[string]any{
 		"a": "hello",
 		"b": "world",
 	})