diff --git a/helper/map.go b/helper/map.go
index 95c50c4d..121c9ee3 100644
--- a/helper/map.go
+++ b/helper/map.go
@@ -31,3 +31,9 @@ func MapSet(record map[string]interface{}, key string, value interface{}) map[st
 	record[key] = value
 	return record
 }
+
+// MapDel xiang.helper.MapDel 删除数值并返回新映射表
+func MapDel(record map[string]interface{}, key string) map[string]interface{} {
+	delete(record, key)
+	return record
+}
diff --git a/helper/map.process.go b/helper/map.process.go
index 9ca0e5e7..fde5acb1 100644
--- a/helper/map.process.go
+++ b/helper/map.process.go
@@ -32,3 +32,11 @@ func ProcessMapSet(process *gou.Process) interface{} {
 	value := process.Args[2]
 	return MapSet(record, key, value)
 }
+
+// ProcessMapDel  xiang.helper.MapDel 返回映射表给定键的值
+func ProcessMapDel(process *gou.Process) interface{} {
+	process.ValidateArgNums(2)
+	record := process.ArgsMap(0)
+	key := process.ArgsString(1)
+	return MapDel(record, key)
+}
diff --git a/helper/map_test.go b/helper/map_test.go
new file mode 100644
index 00000000..908c6926
--- /dev/null
+++ b/helper/map_test.go
@@ -0,0 +1,51 @@
+package helper
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/yaoapp/gou"
+)
+
+func TestProcessMapDel(t *testing.T) {
+	args := []interface{}{
+		map[string]interface{}{"foo": "Value1", "bar": "Value2"},
+		"bar",
+	}
+	new := gou.NewProcess("xiang.helper.MapDel", args...).Run().(map[string]interface{})
+	_, has := new["bar"]
+	assert.False(t, has)
+	assert.Equal(t, "Value1", new["foo"])
+}
+
+func TestProcessGetSet(t *testing.T) {
+	args := []interface{}{
+		map[string]interface{}{"foo": "Value1"},
+		"bar",
+		"Value2",
+	}
+	new := gou.NewProcess("xiang.helper.MapSet", args...).Run().(map[string]interface{})
+	assert.Equal(t, "Value1", new["foo"])
+	assert.Equal(t, "Value2", new["bar"])
+
+	bar := gou.NewProcess("xiang.helper.MapGet", new, "bar").Run().(string)
+	assert.Equal(t, "Value2", bar)
+}
+
+func TestProcessMapKeys(t *testing.T) {
+	args := []interface{}{
+		map[string]interface{}{"foo": "Value1", "bar": "Value2"},
+	}
+	keys := gou.NewProcess("xiang.helper.MapKeys", args...).Run().([]string)
+	assert.Contains(t, keys, "foo")
+	assert.Contains(t, keys, "bar")
+}
+
+func TestProcessMapValues(t *testing.T) {
+	args := []interface{}{
+		map[string]interface{}{"foo": "Value1", "bar": "Value2"},
+	}
+	values := gou.NewProcess("xiang.helper.MapValues", args...).Run().([]interface{})
+	assert.Contains(t, values, "Value1")
+	assert.Contains(t, values, "Value2")
+}
diff --git a/helper/process.go b/helper/process.go
index e84cb220..5068a9a2 100644
--- a/helper/process.go
+++ b/helper/process.go
@@ -19,6 +19,7 @@ func init() {
 	gou.RegisterProcessHandler("xiang.helper.MapValues", ProcessMapValues)
 	gou.RegisterProcessHandler("xiang.helper.MapGet", ProcessMapGet)
 	gou.RegisterProcessHandler("xiang.helper.MapSet", ProcessMapSet)
+	gou.RegisterProcessHandler("xiang.helper.MapDel", ProcessMapDel)
 
 	gou.RegisterProcessHandler("xiang.helper.StrConcat", ProcessStrConcat)
 
@@ -41,6 +42,7 @@ func init() {
 	gou.RegisterProcessHandler("xiang.helper.EnvMultiGet", ProcessEnvMultiGet)
 
 	gou.RegisterProcessHandler("xiang.helper.Print", ProcessPrint)
+	gou.RegisterProcessHandler("xiang.helper.Throw", ProcessThrow)
 
 }
 
diff --git a/helper/throw.process.go b/helper/throw.process.go
new file mode 100644
index 00000000..18740a57
--- /dev/null
+++ b/helper/throw.process.go
@@ -0,0 +1,15 @@
+package helper
+
+import (
+	"github.com/yaoapp/gou"
+	"github.com/yaoapp/kun/exception"
+)
+
+// ProcessThrow  xiang.helper.Throw 抛出异常
+func ProcessThrow(process *gou.Process) interface{} {
+	process.ValidateArgNums(2)
+	message := process.ArgsString(0)
+	code := process.ArgsInt(1)
+	exception.New(message, code).Throw()
+	return nil
+}
diff --git a/helper/throw_test.go b/helper/throw_test.go
new file mode 100644
index 00000000..74eb4e30
--- /dev/null
+++ b/helper/throw_test.go
@@ -0,0 +1,16 @@
+package helper
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/yaoapp/gou"
+	"github.com/yaoapp/kun/exception"
+)
+
+func TestProcessThrow(t *testing.T) {
+	e := exception.New("Someting error", 500)
+	assert.PanicsWithValue(t, *e, func() {
+		gou.NewProcess("xiang.helper.Throw", "Someting error", 500).Run()
+	})
+}