diff --git a/metrics/grafana/tidb.json b/metrics/grafana/tidb.json
index f50704f9f731c..8fcae5e4a616f 100644
--- a/metrics/grafana/tidb.json
+++ b/metrics/grafana/tidb.json
@@ -51,7 +51,8 @@
   "editable": true,
   "gnetId": null,
   "graphTooltip": 1,
-  "id": null,
+  "id": 28,
+  "iteration": 1617019008967,
   "links": [],
   "panels": [
     {
@@ -802,7 +803,6 @@
           },
           "yaxes": [
             {
-              "$$hashKey": "object:518",
               "format": "s",
               "label": null,
               "logBase": 2,
@@ -8207,6 +8207,96 @@
             "align": false,
             "alignLevel": null
           }
+        },
+        {
+          "aliasColors": {},
+          "bars": false,
+          "dashLength": 10,
+          "dashes": false,
+          "datasource": "${DS_TEST-CLUSTER}",
+          "decimals": null,
+          "fill": 1,
+          "gridPos": {
+            "h": 7,
+            "w": 8,
+            "x": 8,
+            "y": 23
+          },
+          "id": 222,
+          "legend": {
+            "alignAsTable": false,
+            "avg": false,
+            "current": false,
+            "hideEmpty": true,
+            "hideZero": true,
+            "max": false,
+            "min": false,
+            "rightSide": false,
+            "show": true,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 1,
+          "links": [],
+          "nullPointMode": "null",
+          "percentage": false,
+          "pointradius": 2,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "spaceLength": 10,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "expr": "pd_client_request_forwarded_status",
+              "format": "time_series",
+              "intervalFactor": 1,
+              "legendFormat": "{{delegate}}-{{host}}",
+              "refId": "A"
+            }
+          ],
+          "thresholds": [],
+          "timeFrom": null,
+          "timeRegions": [],
+          "timeShift": null,
+          "title": "Request forwarded status",
+          "tooltip": {
+            "shared": true,
+            "sort": 0,
+            "value_type": "individual"
+          },
+          "type": "graph",
+          "xaxis": {
+            "buckets": null,
+            "mode": "time",
+            "name": null,
+            "show": true,
+            "values": []
+          },
+          "yaxes": [
+            {
+              "format": "none",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            },
+            {
+              "format": "none",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            }
+          ],
+          "yaxis": {
+            "align": false,
+            "alignLevel": null
+          }
         }
       ],
       "repeat": null,