diff --git a/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-email/src/main/java/org/apache/dolphinscheduler/plugin/alert/email/MailParamsConstants.java b/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-email/src/main/java/org/apache/dolphinscheduler/plugin/alert/email/MailParamsConstants.java
index 7bd75b841e..bf84fd634d 100644
--- a/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-email/src/main/java/org/apache/dolphinscheduler/plugin/alert/email/MailParamsConstants.java
+++ b/dolphinscheduler-alert/dolphinscheduler-alert-plugins/dolphinscheduler-alert-email/src/main/java/org/apache/dolphinscheduler/plugin/alert/email/MailParamsConstants.java
@@ -26,16 +26,16 @@ public final class MailParamsConstants {
 
     public static final String NAME_MAIL_PROTOCOL = "mail.protocol";
 
-    public static final String MAIL_SMTP_HOST = "$t('mailSmtpHost')";
+    public static final String MAIL_SMTP_HOST = "mail.smtp.host";
     public static final String NAME_MAIL_SMTP_HOST = "serverHost";
 
-    public static final String MAIL_SMTP_PORT = "$t('mailSmtpPort')";
+    public static final String MAIL_SMTP_PORT = "mail.smtp.port";
     public static final String NAME_MAIL_SMTP_PORT = "serverPort";
 
     public static final String MAIL_SENDER = "$t('mailSender')";
     public static final String NAME_MAIL_SENDER = "sender";
 
-    public static final String MAIL_SMTP_AUTH = "$t('mailSmtpAuth')";
+    public static final String MAIL_SMTP_AUTH = "mail.smtp.auth";
     public static final String NAME_MAIL_SMTP_AUTH = "enableSmtpAuth";
 
     public static final String MAIL_USER = "$t('mailUser')";
@@ -44,13 +44,13 @@ public final class MailParamsConstants {
     public static final String MAIL_PASSWD = "$t('mailPasswd')";
     public static final String NAME_MAIL_PASSWD = "Password";
 
-    public static final String MAIL_SMTP_STARTTLS_ENABLE = "$t('mailSmtpStarttlsEnable')";
+    public static final String MAIL_SMTP_STARTTLS_ENABLE = "mail.smtp.starttls.enable";
     public static final String NAME_MAIL_SMTP_STARTTLS_ENABLE = "starttlsEnable";
 
-    public static final String MAIL_SMTP_SSL_ENABLE = "$t('mailSmtpSslEnable')";
+    public static final String MAIL_SMTP_SSL_ENABLE = "mail.smtp.ssl.enable";
     public static final String NAME_MAIL_SMTP_SSL_ENABLE = "sslEnable";
 
-    public static final String MAIL_SMTP_SSL_TRUST = "$t('mailSmtpSslTrust')";
+    public static final String MAIL_SMTP_SSL_TRUST = "mail.smtp.ssl.trust";
     public static final String NAME_MAIL_SMTP_SSL_TRUST = "smtpSslTrust";
 
     private MailParamsConstants() {