diff --git a/core/src/main/resources/org/springframework/security/messages_zh_TW.properties b/core/src/main/resources/org/springframework/security/messages_zh_TW.properties
index 9050abcc69..7f8f871f1c 100644
--- a/core/src/main/resources/org/springframework/security/messages_zh_TW.properties
+++ b/core/src/main/resources/org/springframework/security/messages_zh_TW.properties
@@ -31,6 +31,7 @@ DigestAuthenticationFilter.usernameNotFound=\u627E\u4E0D\u5230\u4F7F\u7528\u8005
 JdbcDaoImpl.noAuthority=\u4F7F\u7528\u8005 {0} \u6C92\u6709 GrantedAuthority
 JdbcDaoImpl.notFound=\u627E\u4E0D\u5230\u4F7F\u7528\u8005 {0}
 LdapAuthenticationProvider.badCredentials=\u6191\u8B49\u932F\u8AA4
+LdapAuthenticationProvider.badLdapConnection=\u7121\u6CD5\u9023\u7DDA\u5230 LDAP \u4F3A\u670D\u5668
 LdapAuthenticationProvider.credentialsExpired=\u4F7F\u7528\u8005\u6191\u8B49\u5DF2\u904E\u671F
 LdapAuthenticationProvider.disabled=\u4F7F\u7528\u8005\u5DF2\u88AB\u505C\u7528
 LdapAuthenticationProvider.expired=\u4F7F\u7528\u8005\u5E33\u865F\u5DF2\u904E\u671F