diff --git a/zh_CN.GB2312/books/arch-handbook/book.sgml b/zh_CN.GB2312/books/arch-handbook/book.sgml
index cb10e479b9..569e45db6e 100644
--- a/zh_CN.GB2312/books/arch-handbook/book.sgml
+++ b/zh_CN.GB2312/books/arch-handbook/book.sgml
@@ -1,184 +1,184 @@
 <!--
      The FreeBSD Documentation Project
      The FreeBSD Simplified Chinese Project
 
-     Original Revision: 1.49
+     Original Revision: 1.50
      $FreeBSD$
 -->
 
 <!DOCTYPE BOOK PUBLIC "-//FreeBSD//DTD DocBook V4.1-Based Extension//EN" [
 <!ENTITY % books.ent PUBLIC "-//FreeBSD//ENTITIES DocBook FreeBSD Books Entity Set//EN">
 %books.ent;
 <!ENTITY % chapters SYSTEM "chapters.ent">
 %chapters;
 <!ENTITY % mac-entities SYSTEM "mac.ent">
 %mac-entities;
 
 <!ENTITY % chap.index "IGNORE">
 ]>
 
 <book>
   <bookinfo>
     <title>&os; 系统结构手册</title>
     
     <corpauthor>The FreeBSD Documentation Project</corpauthor>
     
     <pubdate>2000 年 8 月</pubdate>
     
     <copyright>
       <year>2000</year>
       <year>2001</year>
       <year>2002</year>
       <year>2003</year>
       <year>2004</year>
       <year>2005</year>
       <holder>The FreeBSD Documentation Project</holder>
     </copyright>
 
     <corpauthor>&cnproj.freebsd.org;</corpauthor>
     
     <pubdate>2005 年 12 月</pubdate>
     
     <copyright>
       <year>2004</year>
       <year>2005</year>
       <holder>&cnproj.freebsd.org;</holder>
     </copyright>
 
     &bookinfo.trademarks;
     &bookinfo.legalnotice;
     
     <abstract>
 
 	<!-- 
 	The following two entities "contributing.to.freebsd.doc" and
 	"getting.freebsd.doc" are defined in zh_CN.GB2312/share/sgml/l10n.ent   
 	-->
 
       <para>欢迎您阅读《&os;系统结构手册》。&cnproj.contributing.to.freebsd.doc;</para>
 
       <para>&cnproj.getting.freebsd.doc;</para>
     </abstract>
   </bookinfo>
 
   <part id="kernel">
     <title>内核</title>
 
     &chap.boot;
     &chap.locking;
     &chap.kobj;
     &chap.jail;
     &chap.sysinit;
     &chap.mac;
     &chap.vm;
     &chap.smp;
 
   </part>
   
   <part id="devicedrivers">
     <title>设备驱动程序</title>
 
     &chap.driverbasics;
     &chap.isa;
     &chap.pci;
     &chap.scsi;
     &chap.usb;
     &chap.newbus;
 
     &chap.snd;
     &chap.pccard;
 
   </part>
   
 <!-- XXX - finish me
   <part id="architectures">
     <title>Architectures</title>
 
     <chapter id="i386">
       <title>* I386</title>
 
       <para>Talk about <literal>i386</literal> specific &os;
         architecture.</para>
     </chapter>
 
     <chapter id="alpha">
       <title>* Alpha</title>
 
       <para>Talk about the architectural specifics of
       FreeBSD/alpha.</para>
     </chapter>
 
     <chapter id="ia64">
       <title>* IA-64</title>
 
       <para>Talk about the architectural specifics of
       FreeBSD/ia64.</para>
 
     </chapter>
 
     <chapter id="sparc64">
       <title>* SPARC64</title>
 
       <para>Talk about <literal>SPARC64</literal> specific &os;
         architecture.</para>
     </chapter>
 
     <chapter id="amd64">
       <title>* AMD64</title>
 
       <para>Talk about <literal>AMD64</literal> specific &os;
         architecture.</para>
     </chapter>
 
     <chapter id="powerpc">
       <title>* PowerPC</title>
 
       <para>Talk about <literal>PowerPC</literal> specific &os;
         architecture.</para>
     </chapter>
   </part>
 -->
 
   <part id="appendices">
     <title>附录</title>
 
       <bibliography>
 
       <biblioentry xreflabel="1">
         <authorgroup>
           <author>
             <firstname>Marshall</firstname>
             <othername role="Middle">Kirk</othername>
             <surname>McKusick</surname>
           </author>
           <author>
             <firstname>Keith</firstname>
             <surname>Bostic</surname>
           </author>
           <author>
             <firstname>Michael</firstname>
             <othername role="MI">J</othername>
             <surname>Karels</surname>
           </author>
           <author>
             <firstname>John</firstname>
             <othername role="MI">S</othername>
             <surname>Quarterman</surname>
           </author>
         </authorgroup>
         <copyright><year>1996</year><holder>Addison-Wesley Publishing Company,
         Inc.</holder></copyright>
         <isbn>0-201-54979-4</isbn>
         <publisher>
           <publishername>Addison-Wesley Publishing Company, Inc.</publishername>
         </publisher>
         <title>The Design and Implementation of the 4.4 BSD Operating System</title>
         <pagenums>1-2</pagenums>
       </biblioentry>
 
       </bibliography>
-
-      <![ %chap.index;                    [ &chap.index;                ]]>
   </part>
 
+  <![ %chap.index;                    [ &chap.index;                ]]>
+
 </book>