diff --git a/app.py b/app.py
index ca083ee..1ceae35 100644
--- a/app.py
+++ b/app.py
@@ -3,12 +3,19 @@ from prometheus_client import Gauge, generate_latest, CONTENT_TYPE_LATEST
 import subprocess
 import time
 import os
+import re
 import threading
 
 app = Flask(__name__)
 
-pv_usage_bytes = Gauge('nfs_pv_usage_bytes', 'PV usage in bytes', ['pv_name'])
-pv_last_check = Gauge('nfs_pv_last_check_timestamp', 'Last check timestamp', ['pv_name'])
+pv_usage_bytes = Gauge('nfs_pv_usage_bytes', 'PV usage in bytes', ['pv_name', 'request_name'])
+pv_last_check = Gauge('nfs_pv_last_check_timestamp', 'Last check timestamp', ['pv_name', 'request_name'])
+
+PVC_UUID_RE = re.compile(r'(pvc-[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})$')
+
+def extract_pv_name(dir_name):
+    m = PVC_UUID_RE.search(dir_name)
+    return m.group(1) if m else dir_name
 
 cache = {}
 CACHE_TTL = 300
@@ -40,9 +47,10 @@ def get_pv_usage(pv_name):
             return None
         
         usage = int(result.stdout.split()[0])
+        real_pv = extract_pv_name(pv_name)
         cache[pv_name] = {'bytes': usage, 'time': time.time()}
-        pv_usage_bytes.labels(pv_name=pv_name).set(usage)
-        pv_last_check.labels(pv_name=pv_name).set(time.time())
+        pv_usage_bytes.labels(pv_name=real_pv, request_name=pv_name).set(usage)
+        pv_last_check.labels(pv_name=real_pv, request_name=pv_name).set(time.time())
         
         return usage
 
@@ -51,7 +59,7 @@ def usage(pv_name):
     result = get_pv_usage(pv_name)
     if result is None:
         return {'error': 'PV not found or timeout'}, 404
-    return {'pv_name': pv_name, 'bytes': result}
+    return {'pv_name': extract_pv_name(pv_name), 'request_name': pv_name, 'bytes': result}
 
 @app.route('/metrics')
 def metrics():
diff --git a/chart/Chart.yaml b/chart/Chart.yaml
index 097460a..71eb3fe 100644
--- a/chart/Chart.yaml
+++ b/chart/Chart.yaml
@@ -2,5 +2,5 @@ apiVersion: v2
 name: nfs-usage-exporter
 description: NFS PV usage metrics exporter for Prometheus
 type: application
-version: 1.1.0
+version: 1.2.0
 appVersion: "1.0.0"
diff --git a/chart/values.yaml b/chart/values.yaml
index 2ee19cd..7489b11 100644
--- a/chart/values.yaml
+++ b/chart/values.yaml
@@ -2,7 +2,7 @@ replicaCount: 1
 
 image:
   repository: harbor.inje-private.com/infra/nfs-usage-exporter
-  tag: "v1.0.0"
+  tag: "v1.1.0"
   pullPolicy: IfNotPresent
 
 service: