diff --git a/util/func/func.go b/util/func/func.go
index 33aa7122..c4643386 100644
--- a/util/func/func.go
+++ b/util/func/func.go
@@ -3,6 +3,7 @@ package gfunc
 import (
 	gcore "github.com/snail007/gmc/core"
 	gerror "github.com/snail007/gmc/module/error"
+	gvalue "github.com/snail007/gmc/util/value"
 )
 
 type panicError struct{}
@@ -62,3 +63,19 @@ func CheckError(err error) {
 	}
 	return
 }
+
+// CheckError2 check the err and return the value if err is nil
+func CheckError2(v interface{}, err error) *gvalue.AnyValue {
+	if err != nil {
+		panic(panicErr)
+	}
+	return gvalue.NewAny(v)
+}
+
+// CheckError3 check the err and return the value if err is nil
+func CheckError3(v1 interface{}, v2 interface{}, err error) (*gvalue.AnyValue, *gvalue.AnyValue) {
+	if err != nil {
+		panic(panicErr)
+	}
+	return gvalue.NewAny(v1), gvalue.NewAny(v2)
+}
diff --git a/util/func/func_test.go b/util/func/func_test.go
index 1feb4619..d80a42ee 100644
--- a/util/func/func_test.go
+++ b/util/func/func_test.go
@@ -36,6 +36,38 @@ func TestCheckError(t *testing.T) {
 		return
 	}
 	assert.Equal(t, "abc", f3().Error())
+
+	var f4 = func() int {
+		defer CatchCheckError()
+		v := CheckError2(123, nil)
+		return v.Int()
+	}
+	assert.Equal(t, 123, f4())
+
+	var f5 = func() interface{} {
+		defer CatchCheckError()
+		v := CheckError2(123, errors.New("abc"))
+		return v.Val()
+	}
+	assert.Equal(t, nil, f5())
+
+	var f6 = func() (int, string) {
+		defer CatchCheckError()
+		v1, v2 := CheckError3(123, "abc", nil)
+		return v1.Int(), v2.String()
+	}
+	a, b := f6()
+	assert.Equal(t, 123, a)
+	assert.Equal(t, "abc", b)
+
+	var f7 = func() (interface{}, interface{}) {
+		defer CatchCheckError()
+		v1, v2 := CheckError3(123, "abc", errors.New("abc"))
+		return v1.Val(), v2.Val()
+	}
+	c, d := f7()
+	assert.Equal(t, nil, c)
+	assert.Equal(t, nil, d)
 }
 
 func TestRecover(t *testing.T) {
diff --git a/util/net/common.go b/util/net/common.go
index 324bf6d2..f00b4751 100644
--- a/util/net/common.go
+++ b/util/net/common.go
@@ -130,7 +130,7 @@ func RandomListen(ip ...string) (l net.Listener, port string, err error) {
 	_, port, _ = net.SplitHostPort(l.Addr().String())
 	return
 }
-func RandomPort() (port string, err error) {
+func RandomPort(ip ...string) (port string, err error) {
 	maxTry := 3
 	var l net.Listener
 	defer func() {
@@ -139,7 +139,7 @@ func RandomPort() (port string, err error) {
 		}
 	}()
 	for i := 0; i < maxTry; i++ {
-		l, port, err = RandomListen()
+		l, port, err = RandomListen(ip...)
 		if err == nil {
 			port = NewAddr(l.Addr()).Port()
 			return