diff --git a/zh_CN/chapter01/changelog.po b/zh_CN/chapter01/changelog.po
index ef3aa8f..c678749 100644
--- a/zh_CN/chapter01/changelog.po
+++ b/zh_CN/chapter01/changelog.po
@@ -53,10 +53,8 @@ msgstr "2024 年 9 月 1 日"
 
 #. type: Content of: <sect1><itemizedlist><listitem><itemizedlist><listitem><para>
 #: lfs-en/chapter01/changelog.xml
-#, fuzzy
-#| msgid "[bdubbs] - LFS-12.1 released."
 msgid "[bdubbs] - LFS-12.2 released."
-msgstr "[bdubbs] — LFS-12.1 发布。"
+msgstr "[bdubbs] — LFS-12.2 发布。"
 
 #. type: Content of: <sect1><itemizedlist><listitem><para>
 #: lfs-en/chapter01/changelog.xml
diff --git a/zh_CN/chapter04/aboutsbus.po b/zh_CN/chapter04/aboutsbus.po
index 49bb14e..954165d 100644
--- a/zh_CN/chapter04/aboutsbus.po
+++ b/zh_CN/chapter04/aboutsbus.po
@@ -74,24 +74,6 @@ msgstr ""
 
 #. type: Content of: <sect1><para>
 #: lfs-en/chapter04/aboutsbus.xml
-#, fuzzy
-#| msgid ""
-#| "On some newer systems, the motherboard is capable of contolling the "
-#| "system clock speed. This can be controlled with a command such as "
-#| "<command>powerprofilesctl</command>. This is not available in LFS, but "
-#| "may be available on the host distro. After LFS is complete, it can be "
-#| "added to a system with the procedures at the <ulink url='&blfs-book;"
-#| "sysutils/power-profiles-daemon.html'> BLFS power-profiles-daemon</ulink> "
-#| "page.  Before measuring the build time of any package it is advisable to "
-#| "use a system power profile set for maximum performance (and maximum power "
-#| "consumption).  Otherwise the measured SBU value may be inaccurate because "
-#| "the system may react differently when building <xref linkend='ch-tools-"
-#| "binutils-pass1'/> or other packages.  Be aware that a significant "
-#| "inaccuracy can still show up even if the same profile is used for both "
-#| "packages because the system may respond slower if the system is idle when "
-#| "starting the build procedure. Setting the power profile to "
-#| "<quote>performance</quote> will minimize this problem.  And obviously "
-#| "doing so will also make the system build LFS faster."
 msgid ""
 "On some newer systems, the motherboard is capable of controlling the system "
 "clock speed. This can be controlled with a command such as "