diff --git a/nebula/addons/waf/grafana/automatic.yml b/nebula/addons/waf/grafana/automatic.yml
index 69f3b03..88bfad2 100755
--- a/nebula/addons/waf/grafana/automatic.yml
+++ b/nebula/addons/waf/grafana/automatic.yml
@@ -1,6 +1,6 @@
 datasources:
 - name: Loki
   type: loki
-  url: http://nebula-nebula-waf-loki:3100
+  url: http://nebula_nebula-waf-loki:3100
   isDefault: true
   editable: true
diff --git a/nebula/addons/waf/promtail-config.yml b/nebula/addons/waf/promtail-config.yml
index e0b130f..65ace9d 100755
--- a/nebula/addons/waf/promtail-config.yml
+++ b/nebula/addons/waf/promtail-config.yml
@@ -6,7 +6,7 @@ positions:
   filename: /tmp/positions.yaml
 
 clients:
-  - url: http://nebula-nebula-waf-loki:3100/loki/api/v1/push
+  - url: http://nebula_nebula-waf-loki:3100/loki/api/v1/push
 
 scrape_configs:
   - job_name: nginx