diff --git a/README.md b/README.md
index 1a9c638..3365212 100644
--- a/README.md
+++ b/README.md
@@ -86,7 +86,8 @@
 @bengordai @Bojian @JoyFYan @minoriwww @khty2000 @gump88 @zdx3578 @PassStory @imwebson @wlbksy @roachsinai @Elvinczp 
 @endymecy name:YUE-DaJiong @9578577 @linzhp @cnscottzheng @germany-zhu  @zhangyafeikimi @showgood163 @gump88
 @kangqf @NeutronT @badpoem @kkpoker @Seaball @wheaio @angrymidiao @ZhiweiYang @corenel @zhaoyu611 @SiriusXDJ @dfcv24 EmisXXY FlyingFire vsooda @friskit-china @poerin @ninesunqian @JiaqiYao
-@Sofring @wenlei @wizyoung @imageslr @@indam @XuLYC @zhouqingping @freedomRen @runPenguin @pkuwwt
+@Sofring @wenlei @wizyoung @imageslr @@indam @XuLYC @zhouqingping @freedomRen @runPenguin @pkuwwt @wuqi @tjliupeng @neo0801 
+@jt827859032 @demolpc
 
 如有遗漏，请务必通知我们，可以发邮件至`echo c3dvcmQueW9ya0BnbWFpbC5jb20K | base64 -d`。
 这是我们必须要感谢的，所以不要不好意思。
diff --git a/dlbook_cn.tex b/dlbook_cn.tex
index 303365e..8502763 100644
--- a/dlbook_cn.tex
+++ b/dlbook_cn.tex
@@ -62,7 +62,7 @@
 bookmarksopenlevel=1,
 bookmarksdepth=1,
 plainpages=true]{hyperref}
-
+\usepackage{bookmark}
 
 \usepackage{zref-abspage}
 \setcounter{tocdepth}{3}
@@ -156,6 +156,8 @@
 
 
 \backmatter
+\bookmarksetup{startatroot}
+
 \appendix
 
 \small{