大家帮我看看这么点XML代码，错在哪里啊？？（就这么多分了，实在是不好意思！）

[ddsft]

<!DOCTYPE UserInfo [
<!ELEMENT UserInfo (TheUser)>
<!ELEMENT TheUser (ID, UserNickName, UserIP, UserPort, UserState)>
<!ATTLIST TheUser
name CDATA #REQUIRED
sex CDATA #REQUIRED
>
<!ELEMENT ID (#PCDATA)>
<!ELEMENT UserNickName (#PCDATA)>
<!ELEMENT UserIP (#PCDATA)>
<!ELEMENT UserPort (#PCDATA)>
<!ELEMENT UserState (#PCDATA)>
]>
<!-- <!DOCTYPE UserInfo SYSTEM "sample01.dtd"> -->
<UserInfo>
<TheUser name="点点" sex="boy">
<ID>33792518</ID>
<UserNickName>点点</UserNickName>
<UserIP>192 .168.11.106</UserIP>
<UserPort>1632</UserPort>
<UserState>1</UserState>
</TheUser>
<!-- 用XML Spy 编辑，总报告这里出错,是不是我的DTD定义的不对 -->
<TheUser name="小小" sex="girl">
<ID>33792199</ID>
<UserNickName>小小</UserNickName>
<UserIP>192.168.11.11</UserIP>
<UserPort>1314</UserPort>
<UserState>2</UserState>
</TheUser>

</UserInfo>