diff --git a/internal/rootcoord/quota_center.go b/internal/rootcoord/quota_center.go
index 8aabb63a5b..7dbc880d6f 100644
--- a/internal/rootcoord/quota_center.go
+++ b/internal/rootcoord/quota_center.go
@@ -295,6 +295,10 @@ func (q *QuotaCenter) Start() {
 
 func (q *QuotaCenter) watchQuotaAndLimit() {
 	pt := paramtable.Get()
+	metrics.QueryNodeMemoryHighWaterLevel.Set(pt.QuotaConfig.QueryNodeMemoryHighWaterLevel.GetAsFloat())
+	metrics.DiskQuota.WithLabelValues(paramtable.GetStringNodeID(), "cluster").Set(pt.QuotaConfig.DiskQuota.GetAsFloat())
+	metrics.DiskQuota.WithLabelValues(paramtable.GetStringNodeID(), "db").Set(pt.QuotaConfig.DiskQuotaPerDB.GetAsFloat())
+	metrics.DiskQuota.WithLabelValues(paramtable.GetStringNodeID(), "collection").Set(pt.QuotaConfig.DiskQuotaPerCollection.GetAsFloat())
 	pt.Watch(pt.QuotaConfig.QueryNodeMemoryHighWaterLevel.Key, config.NewHandler(pt.QuotaConfig.QueryNodeMemoryHighWaterLevel.Key, func(event *config.Event) {
 		metrics.QueryNodeMemoryHighWaterLevel.Set(pt.QuotaConfig.QueryNodeMemoryHighWaterLevel.GetAsFloat())
 	}))