diff --git a/tree/generate.go b/tree/generate.go
index 0aa7d02..9f84f37 100644
--- a/tree/generate.go
+++ b/tree/generate.go
@@ -9,7 +9,7 @@ package tree
 
 import (
 	"fmt"
-	"git.zhangdeman.cn/zhangdeman/util"
+	"git.zhangdeman.cn/zhangdeman/wrapper"
 	"strings"
 
 	"github.com/pkg/errors"
@@ -88,7 +88,7 @@ func (g *Generate) init() error {
 		fmt.Println(jsonKey, valueType, jsonValue, startIndex)
 		// 创建节点, 并挂在到树上
 		var newNode *Node
-		if util.Array.In(g.currentNode.ValueType, []string{ValueTypeArray, ValueTypeMap}) >= 0 {
+		if wrapper.ArrayType([]string{ValueTypeArray, ValueTypeMap}).Has(g.currentNode.ValueType) >= 0 {
 			newNode = NewNode(jsonKey, jsonValue, valueType, g.currentNode)
 			g.currentParentNode = g.currentNode
 			g.currentParentNode.SonNodeList = append(g.currentParentNode.SonNodeList, newNode)
@@ -116,25 +116,26 @@ func (g *Generate) getKey(startIndex int) (string, int, error) {
 			continue
 		}
 
-		if charStr == KeywordDoubleQuote && !hasStart {
-			// 第一次遇见双引号
-			startIndex++
-			hasStart = true
-			continue
-		}
-		if charStr == KeywordDoubleQuote && hasStart {
-			// 第二次遇见双引号，key探寻结束
-			startIndex++
-			break
+		if charStr == KeywordDoubleQuote {
+			if !hasStart {
+				// 第一次遇见双引号
+				startIndex++
+				hasStart = true
+				continue
+			} else {
+				// 第二次遇见双引号，key探寻结束
+				startIndex++
+				break
+			}
 		}
 
 		if !hasStart {
-			if util.Array.In(charStr, []string{
+			if wrapper.ArrayType([]string{
 				KeywordDoubleQuote,
 				KeywordObjectStart,
 				KeywordArrayStart,
 				KeywordComma,
-			}) >= 0 {
+			}).Has(charStr) >= 0 {
 				startIndex++
 				continue
 			}
@@ -181,21 +182,18 @@ func (g *Generate) getValueType(startIndex int) (string, int, error) {
 	hasFindColon := false
 	for startIndex < len(g.jsonDataByte) {
 		charStr := string(g.jsonDataByte[startIndex])
-		if !hasFindColon {
-			if charStr == KeywordSpace {
-				// 跳过空格
-				startIndex++
-				continue
-			}
-			if charStr != KeywordSpace {
-				// 非空格
-				if charStr != KeywordColon {
-					return "", startIndex, errors.New("value is invalid")
-				}
-				startIndex++
-				hasFindColon = true
-				break
+		if charStr == KeywordSpace {
+			// 跳过空格
+			startIndex++
+			continue
+		} else {
+			// 非空格
+			if charStr != KeywordColon {
+				return "", startIndex, errors.New("value is invalid")
 			}
+			startIndex++
+			hasFindColon = true
+			break
 		}
 	}
 
@@ -264,13 +262,13 @@ func (g *Generate) getValue(startIndex int) (string, int, error) {
 			continue
 		}
 		if !isStart {
-			if util.Array.In(str, []string{KeywordArrayEnd, KeywordObjectEnd, KeywordComma}) >= 0 {
+			if wrapper.ArrayType([]string{KeywordArrayEnd, KeywordObjectEnd, KeywordComma}).Has(str) >= 0 {
 				startIndex++
 				continue
 			}
 		}
 		if isStart {
-			if util.Array.In(str, []string{KeywordDoubleQuote, KeywordArrayEnd, KeywordObjectEnd, KeywordComma}) >= 0 {
+			if wrapper.ArrayType([]string{KeywordDoubleQuote, KeywordArrayEnd, KeywordObjectEnd, KeywordComma}).Has(str) >= 0 {
 				// 值的拼接已结束
 				startIndex++
 				break