diff --git a/document.md b/document.md
index 3c9aeb7..766ead6 100644
--- a/document.md
+++ b/document.md
@@ -75,13 +75,21 @@
 | ------ | ------ | ------ | ------ |
 |  html  |  css选择器 | text/attr/outerhtml  |  attrName |
 - 获取a标签
-> ${selectors(resp.html,'a')}
+```javascript
+${selectors(resp.html,'a')}
+```
 - 获取a标签的text
-> ${selectors(resp.html,'a','text')}
+```javascript
+${selectors(resp.html,'a','text')}
+```
 - 获取a标签的outerhtml
-> ${selectors(resp.html,'a','outerhtml')}
+```javascript
+${selectors(resp.html,'a','outerhtml')}
+```
 - 获取a标签的href
-> ${selectors(resp.html,'a','attr','href')}
+```javascript
+${selectors(resp.html,'a','attr','href')}
+```
 
 > selector返回的是String，selectors返回的是List<String>
 
@@ -92,9 +100,13 @@
 | html   | xpath  |
 
 - 获取a标签
-> ${xpaths(resp.html,'//a')}
+```javascript
+${xpaths(resp.html,'//a')}
+```
 - 获取a标签的href属性
-> ${xpaths(resp.html,'//a/@href')}
+```javascript
+${xpaths(resp.html,'//a/@href')}
+```
 
 > xpath返回的是String，xpaths返回的是List<String>
 
@@ -105,7 +117,9 @@
 | object | jsonpath |
 
 - 获取 **{"code" : 1}** 中code的值
-> ${jsonpath(resp.json,'$.code')}
+```javascript
+${jsonpath(resp.json,'$.code')}
+```
 
 #### regx/regxs
 
@@ -114,5 +128,7 @@
 | String   | regx  |
 
 - 获取页面标题
-> ${regxs(resp.html,'<title>(.*?)</title>')}
+```javascript
+${regxs(resp.html,'<title>(.*?)</title>')}
+```
 > regx返回的是String，regxs返回的是List<String>