diff --git a/deployments/templates/alertmanager.yml b/deployments/templates/alertmanager.yml
index 95e96571d..47090f148 100644
--- a/deployments/templates/alertmanager.yml
+++ b/deployments/templates/alertmanager.yml
@@ -19,6 +19,7 @@ templates:
   - /etc/alertmanager/email.tmpl
 
 route:
+  group_by: ['alertname']
   group_wait: 5s
   group_interval: 5s
   repeat_interval: 5m
diff --git a/scripts/install/environment.sh b/scripts/install/environment.sh
index 777f88e18..6a87b44a6 100755
--- a/scripts/install/environment.sh
+++ b/scripts/install/environment.sh
@@ -282,7 +282,7 @@ readonly ALERTMANAGER_SMTP_REQUIRE_TLS=${ALERTMANAGER_SMTP_REQUIRE_TLS:-"false"}
 # SMTP HELO/EHLO标识符
 readonly ALERTMANAGER_SMTP_HELLO=${ALERTMANAGER_SMTP_HELLO:-"xxx监控告警"}
 # 邮箱接收人
-readonly ALERTMANAGER_EMAIL_TO=${ALERTMANAGER_EMAIL_TO:-"{EMAIL_TO:-'alert@example.com'}"}
+readonly ALERTMANAGER_EMAIL_TO=${ALERTMANAGER_EMAIL_TO:-"alert@example.com"}
 # 邮箱主题
 readonly ALERTMANAGER_EMAIL_SUBJECT=${ALERTMANAGER_EMAIL_SUBJECT:-"{EMAIL_SUBJECT:-'[Alert] Notification'}"}
 # 是否发送已解决的告警