diff --git a/doc/content/en/type/time.md b/doc/content/en/type/time.md
index 7182aa6..7212963 100644
--- a/doc/content/en/type/time.md
+++ b/doc/content/en/type/time.md
@@ -6,12 +6,10 @@ weight: 50
 
 {{< toc >}}
 
+## Time
 
-## Function
-- Time
-- TimeE
+## TimeE
 
-## Examples
 ```go
 cvt.Time("2009-11-10 23:00:00 +0000 UTC")
 cvt.Time("2018-10-21T23:21:29+0200")
@@ -24,5 +22,12 @@ cvt.Time(1482597504)
 cvt.Time(time.Date(2009, 2, 13, 23, 31, 30, 0, time.Local))
 ```
 
+## TimeInLocation
+cvt.TimeInLocation("2009-02-13 23:31:30", time.FixedZone("UTC", 8*3600))
+
+## TimeInLocationE
+cvt.TimeInLocationE("2009-02-13 23:31:30", time.FixedZone("UTC", 8*3600))
+
+
 > More case see unit: `time_test.go`
 
diff --git a/doc/content/zh-cn/type/time.md b/doc/content/zh-cn/type/time.md
index aec8f34..e5deddd 100644
--- a/doc/content/zh-cn/type/time.md
+++ b/doc/content/zh-cn/type/time.md
@@ -6,12 +6,10 @@ weight: 50
 
 {{< toc >}}
 
+## Time
 
-## 方法
-- Time
-- TimeE
+## TimeE
 
-## 示例
 ```go
 cvt.Time("2009-11-10 23:00:00 +0000 UTC")
 cvt.Time("2018-10-21T23:21:29+0200")
@@ -34,5 +32,12 @@ cvt.Time(json.Number("1234567890"))
 cvt.Time(json.Number("2016-03-06 15:28:01"))
 ```
 
+## TimeInLocation
+cvt.TimeInLocation("2009-02-13 23:31:30", time.FixedZone("UTC", 8*3600))
+
+## TimeInLocationE
+cvt.TimeInLocationE("2009-02-13 23:31:30", time.FixedZone("UTC", 8*3600))
+
+
 > 更多示例请看单元测试：`time_test.go`
 
diff --git a/map.go b/map.go
index b660eb8..0e4d951 100644
--- a/map.go
+++ b/map.go
@@ -5,6 +5,48 @@ import (
 	"reflect"
 )
 
+// IntMapE convert an interface to `map[int]interface{}`
+// * Support JSON string of map
+// * Support any `map` type
+func IntMapE(val interface{}) (m map[int]interface{}, err error) {
+	m = make(map[int]interface{})
+	if val == nil {
+		return nil, errUnsupportedTypeNil
+	}
+
+	// direct type(for improve performance)
+	switch v := val.(type) {
+	case map[int]interface{}:
+		return v, nil
+	}
+
+	// indirect type
+	_, rv := Indirect(val)
+	switch rv.Kind() {
+	case reflect.Map:
+		var idx int
+		for _, key := range rv.MapKeys() {
+			idx, err = IntE(key.Interface())
+			if err != nil {
+				return
+			}
+			m[idx] = rv.MapIndex(key).Interface()
+		}
+	case reflect.Slice:
+		// []byte
+		// Example: []byte(`{1:"bob",2:18}`)
+		if rv.Type().Elem().Kind() == reflect.Uint8 {
+			err = json.Unmarshal(rv.Bytes(), &m)
+		}
+	case reflect.String:
+		// JSON string of map
+		// Example: `{1:"bob",2:18}`
+		err = json.Unmarshal([]byte(rv.String()), &m)
+	}
+
+	return
+}
+
 // StringMapE convert an interface to `map[string]interface{}`
 // * Support JSON string of map
 // * Support any `map` type
@@ -37,12 +79,14 @@ func StringMapE(val interface{}) (m map[string]interface{}, err error) {
 	case reflect.Struct:
 		m = struct2map(rv)
 	case reflect.Slice:
-		// []byte
+		// []byte, JSON
+		// Example: []byte(`{"name":"bob","age":18}`)
 		if rv.Type().Elem().Kind() == reflect.Uint8 {
 			err = json.Unmarshal(rv.Bytes(), &m)
 		}
 	case reflect.String:
 		// JSON string of map
+		// Example: `{"name":"bob","age":18}`
 		err = json.Unmarshal([]byte(rv.String()), &m)
 	}
 
diff --git a/map_test.go b/map_test.go
index c0f470f..60bea3d 100644
--- a/map_test.go
+++ b/map_test.go
@@ -2,8 +2,9 @@ package cvt_test
 
 import (
 	"fmt"
-	"github.com/shockerli/cvt"
 	"testing"
+
+	"github.com/shockerli/cvt"
 )
 
 func TestStringMapE(t *testing.T) {
@@ -89,3 +90,47 @@ func TestStringMapE(t *testing.T) {
 		assertEqual(t, tt.expect, v, "[WithE] "+msg)
 	}
 }
+
+func TestIntMapE(t *testing.T) {
+	tests := []struct {
+		input  interface{}
+		expect map[int]interface{}
+		isErr  bool
+	}{
+		// JSON
+		{`{"1":"cvt","2":3.21}`, map[int]interface{}{1: "cvt", 2: 3.21}, false},
+		{`{"1":"cvt","2":"convert"}`, map[int]interface{}{1: "cvt", 2: "convert"}, false},
+		{`{"1":"cvt","2":true}`, map[int]interface{}{1: "cvt", 2: true}, false},
+		{[]byte(`{"1":"cvt","2":true}`), map[int]interface{}{1: "cvt", 2: true}, false},
+		{AliasTypeString(`{"1":"cvt","2":true}`), map[int]interface{}{1: "cvt", 2: true}, false},
+		{AliasTypeBytes(`{"1":"cvt","2":true}`), map[int]interface{}{1: "cvt", 2: true}, false},
+
+		// Map
+		{map[int]interface{}{}, map[int]interface{}{}, false},
+		{map[int]interface{}{1: "cvt", 2: 3.21}, map[int]interface{}{1: "cvt", 2: 3.21}, false},
+		{map[interface{}]interface{}{1: "cvt", 2: 3.21}, map[int]interface{}{1: "cvt", 2: 3.21}, false},
+		{map[interface{}]interface{}{"1": "cvt", "2": 3.21}, map[int]interface{}{1: "cvt", 2: 3.21}, false},
+
+		// errors
+		{nil, nil, true},
+		{map[interface{}]interface{}{"name": "cvt", 3.21: 3.21}, map[int]interface{}{1: "cvt", 2: 3.21}, true},
+		{"", nil, true},
+		{"hello", nil, true},
+	}
+
+	for i, tt := range tests {
+		msg := fmt.Sprintf(
+			"i = %d, input[%+v], expect[%+v], isErr[%v]",
+			i, tt.input, tt.expect, tt.isErr,
+		)
+
+		v, err := cvt.IntMapE(tt.input)
+		if tt.isErr {
+			assertError(t, err, "[HasErr] "+msg)
+			continue
+		}
+
+		assertNoError(t, err, "[NoErr] "+msg)
+		assertEqual(t, tt.expect, v, "[WithE] "+msg)
+	}
+}
diff --git a/time_test.go b/time_test.go
index af5bc2c..62d2d22 100644
--- a/time_test.go
+++ b/time_test.go
@@ -58,6 +58,10 @@ func TestTimeInLocation_BaseLine(t *testing.T) {
 }
 
 func TestTimeInLocationE(t *testing.T) {
+	var (
+		locUTC8 = time.FixedZone("UTC", 8*3600)
+	)
+
 	tests := []struct {
 		input  interface{}
 		loc    *time.Location
@@ -65,6 +69,9 @@ func TestTimeInLocationE(t *testing.T) {
 		isErr  bool
 	}{
 		{nil, nil, time.Time{}, false},
+		{"2009-11-10 23:00:00 +0800", nil, time.Date(2009, 11, 10, 23, 0, 0, 0, locUTC8), false}, // Time.String()
+		{"2009-02-13 23:31:30", locUTC8, time.Date(2009, 2, 13, 23, 31, 30, 0, locUTC8), false},
+		{"2009-02-13 23:31:30", locUTC8, time.Date(2009, 2, 13, 23, 31, 30, 0, locUTC8), false},
 
 		// errors
 		{"2006", nil, time.Time{}, true},