diff --git a/pkg/metrics/grafana/tiproxy_summary.json b/pkg/metrics/grafana/tiproxy_summary.json
index 420b9982..47798a6c 100644
--- a/pkg/metrics/grafana/tiproxy_summary.json
+++ b/pkg/metrics/grafana/tiproxy_summary.json
@@ -830,7 +830,7 @@
                "steppedLine": false,
                "targets": [
                   {
-                     "expr": "label_replace(tiproxy_balance_b_conn{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\".*$tidb_cluster\", instance=~\"$instance\"}, \"backend\", \"$1\", \"backend\", \"(.+-tidb-[0-9]+).*peer.*.svc.*\")",
+                     "expr": "label_replace(tiproxy_balance_b_conn{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}, \"backend\", \"$1\", \"backend\", \"(.+-tidb-[0-9]+).*peer.*.svc.*\")",
                      "format": "time_series",
                      "intervalFactor": 2,
                      "legendFormat": "{{instance}} | {{backend}}",
@@ -916,7 +916,7 @@
                "steppedLine": false,
                "targets": [
                   {
-                     "expr": "sum(label_replace(label_replace(rate(tiproxy_balance_migrate_total{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\".*$tidb_cluster\", instance=~\"$instance\"}[1m]), \"from\", \"$1\", \"from\", \"(.+-tidb-[0-9]+).*peer.*.svc.*\"), \"to\", \"$1\", \"to\", \"(.+-tidb-[0-9]+).*peer.*.svc.*\")) by (from, to, migrate_res)",
+                     "expr": "sum(label_replace(label_replace(rate(tiproxy_balance_migrate_total{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}[1m]), \"from\", \"$1\", \"from\", \"(.+-tidb-[0-9]+).*peer.*.svc.*\"), \"to\", \"$1\", \"to\", \"(.+-tidb-[0-9]+).*peer.*.svc.*\")) by (from, to, migrate_res)",
                      "format": "time_series",
                      "intervalFactor": 2,
                      "legendFormat": "{{migrate_res}}: {{from}} => {{to}}",
diff --git a/pkg/metrics/grafana/tiproxy_summary.jsonnet b/pkg/metrics/grafana/tiproxy_summary.jsonnet
index 91a7b306..3ae25a3d 100644
--- a/pkg/metrics/grafana/tiproxy_summary.jsonnet
+++ b/pkg/metrics/grafana/tiproxy_summary.jsonnet
@@ -237,7 +237,7 @@ local bConnP = graphPanel.new(
 )
 .addTarget(
   prometheus.target(
-    'label_replace(tiproxy_balance_b_conn{k8s_cluster="$k8s_cluster", tidb_cluster=".*$tidb_cluster", instance=~"$instance"}, "backend", "$1", "backend", "(.+-tidb-[0-9]+).*peer.*.svc.*")',
+    'label_replace(tiproxy_balance_b_conn{k8s_cluster="$k8s_cluster", tidb_cluster="$tidb_cluster", instance=~"$instance"}, "backend", "$1", "backend", "(.+-tidb-[0-9]+).*peer.*.svc.*")',
     legendFormat='{{instance}} | {{backend}}',
   )
 );
@@ -251,7 +251,7 @@ local bMigCounterP = graphPanel.new(
 )
 .addTarget(
   prometheus.target(
-    'sum(label_replace(label_replace(rate(tiproxy_balance_migrate_total{k8s_cluster="$k8s_cluster", tidb_cluster=".*$tidb_cluster", instance=~"$instance"}[1m]), "from", "$1", "from", "(.+-tidb-[0-9]+).*peer.*.svc.*"), "to", "$1", "to", "(.+-tidb-[0-9]+).*peer.*.svc.*")) by (from, to, migrate_res)',
+    'sum(label_replace(label_replace(rate(tiproxy_balance_migrate_total{k8s_cluster="$k8s_cluster", tidb_cluster="$tidb_cluster", instance=~"$instance"}[1m]), "from", "$1", "from", "(.+-tidb-[0-9]+).*peer.*.svc.*"), "to", "$1", "to", "(.+-tidb-[0-9]+).*peer.*.svc.*")) by (from, to, migrate_res)',
     legendFormat='{{migrate_res}}: {{from}} => {{to}}',
   )
 );