diff --git a/files/pixiu b/files/pixiu
index 9345add..b2252aa 100644
--- a/files/pixiu
+++ b/files/pixiu
@@ -6,7 +6,7 @@ PIXIU_NGINX \s*%{IPORHOST:syslog_hostname} %{SYSLOGPROG} %{IPORHOST:clientip} (?
 
 PIXIU_TOMCAT \s*%{IPORHOST:syslog_hostname} %{SYSLOGPROG} \[%{HTTPDATE:timestamp}\]\^%{IPORHOST:clientip}\^%{HTTPDUSER:auth}\^%{WORD:verb} %{NOTSPACE:request} HTTP/%{NUMBER:httpversion}\^%{GREEDYDATA:other}
 
-PIXIU_ALARM_PREFIX \s*%{IPORHOST:syslog_hostname} %{SYSLOGPROG}: .+ (?<alarm_object>OceanStor-Distributed-Storage)\s+%{NUMBER} (?<alarm_id>0x[A-F0-9]+) (?<alarm_severity>%{WORD})\(%{NUMBER:alarm_severity_level}\):
+PIXIU_ALARM_PREFIX \s*%{IPORHOST:syslog_hostname} %{SYSLOGPROG}: .+ (?<alarm_object>(OceanStor-Distributed-Storage|Cluster-Nexus))\s+%{NUMBER} (?<alarm_id>0x[A-F0-9]+) (?<alarm_severity>%{WORD})\(%{NUMBER:alarm_severity_level}\):
 
 PIXIU_ALARM_USER_TYPE user name, owner name %{USERNAME:username}
 
diff --git a/tests/data/pixiu b/tests/data/pixiu
index 8f8c595..0f244a7 100644
--- a/tests/data/pixiu
+++ b/tests/data/pixiu
@@ -435,4 +435,22 @@ data = [
             "path": "/",
         },
     },
+    {
+        "raw": "<187>Oct  1 08:17:01 NEX-STOR-PIX-1A alarm[3966612]: <186>2025-10-01 08:16:59 DST  Cluster-Nexus     5965446 0xFEA6A000E Major(1): The used space (943824MB) of quota (type directory quota) of dtree (name --, ID 0) at / in namespace (name diab -preklin, ID 1025) reaches to the space soft quota of (943718MB).",
+        "expected": {
+            "program": "alarm",
+            "quota_used_type": "directory",
+            "alarm_object": "Cluster-Nexus",
+            "namespace": "diab -preklin",
+            "namespace_id": 1025,
+            "dtree": "--",
+            "dtree_id": 0,
+            "used_space": 989671194624,
+            "quota_used_type": "space",
+            "quota_type": "directory",
+            "quota_limit_type": "soft",
+            "quota_space_limit": 989560045568,
+            "path": "/",
+        },
+    },
 ]