diff --git a/chrome/locale/zh-CN/dkim.properties b/chrome/locale/zh-CN/dkim.properties
index 5304cb66..7cb245c6 100644
--- a/chrome/locale/zh-CN/dkim.properties
+++ b/chrome/locale/zh-CN/dkim.properties
@@ -91,7 +91,7 @@ DKIM_SIGWARNING_SMALL_L=并非整个主题已被签名
 DKIM_SIGWARNING_EXPIRED=签名已过期
 DKIM_SIGWARNING_FUTURE=签名处在未来
 DKIM_SIGWARNING_KEYSMALL=签名密钥尺寸太小
-DKIM_SIGWARNING_KEY_IS_WEAK		= Signed with a weak key
+DKIM_SIGWARNING_KEY_IS_WEAK=使用弱密钥签名
 DKIM_SIGWARNING_FROM_NOT_IN_SDID=From 不在签名域中
 DKIM_SIGWARNING_FROM_NOT_IN_AUID=From 不匹配用户标识符
 # DKIM_SIGWARNING - POLICY
diff --git a/chrome/locale/zh-CN/options.dtd b/chrome/locale/zh-CN/options.dtd
index 09f4a06f..4aa1d24d 100644
--- a/chrome/locale/zh-CN/options.dtd
+++ b/chrome/locale/zh-CN/options.dtd
@@ -62,7 +62,7 @@
 <!ENTITY error.illformed_s.treatAs.label "将格式不良的选择器标签视作">
 <!ENTITY error.policy.key_insecure.treatAs.label "将非 DNSSEC 的 DKIM 密钥视作">
 <!ENTITY error.algorithm.sign.rsa-sha1.treatAs.label "将 RSA-SHA1 签名算法视作">
-<!ENTITY error.algorithm.rsa.weakKeyLength.treatAs "Treat weak RSA keys (&lt;2048 bits) as">
+<!ENTITY error.algorithm.rsa.weakKeyLength.treatAs "将 RSA 弱密钥（小于 2048 位）视作">
 <!ENTITY error.treatAs.value.0.label "错误">
 <!ENTITY error.treatAs.value.1.label "警告">
 <!ENTITY error.treatAs.value.2.label "无事">