diff --git a/deployments/monitor/grafana/milvus-dashboard.json b/deployments/monitor/grafana/milvus-dashboard.json
index 1c82d4109a..b0c2f98149 100644
--- a/deployments/monitor/grafana/milvus-dashboard.json
+++ b/deployments/monitor/grafana/milvus-dashboard.json
@@ -4667,7 +4667,7 @@
           "label": null,
           "logBase": 1,
           "max": null,
-          "min": null,
+          "min": "0",
           "show": true
         },
         {