diff --git a/k8s/agent/statefulset.yaml b/k8s/agent/statefulset.yaml
index db67d8e094..c866d02380 100644
--- a/k8s/agent/statefulset.yaml
+++ b/k8s/agent/statefulset.yaml
@@ -55,10 +55,10 @@ spec:
             - podAffinityTerm:
                 labelSelector:
                   matchExpressions:
-                  - key: app
-                    operator: In
-                    values:
-                    - vald-agent-ngt
+                    - key: app
+                      operator: In
+                      values:
+                        - vald-agent-ngt
                 topologyKey: kubernetes.io/hostname
               weight: 100
           requiredDuringSchedulingIgnoredDuringExecution: []
diff --git a/k8s/discoverer/deployment.yaml b/k8s/discoverer/deployment.yaml
index 3f9826e160..d267b5696a 100644
--- a/k8s/discoverer/deployment.yaml
+++ b/k8s/discoverer/deployment.yaml
@@ -54,10 +54,10 @@ spec:
             - podAffinityTerm:
                 labelSelector:
                   matchExpressions:
-                  - key: app
-                    operator: In
-                    values:
-                    - vald-discoverer
+                    - key: app
+                      operator: In
+                      values:
+                        - vald-discoverer
                 topologyKey: kubernetes.io/hostname
               weight: 100
           requiredDuringSchedulingIgnoredDuringExecution: []
diff --git a/k8s/gateway/vald/deployment.yaml b/k8s/gateway/vald/deployment.yaml
index e70ed08a0d..8ffb98482a 100644
--- a/k8s/gateway/vald/deployment.yaml
+++ b/k8s/gateway/vald/deployment.yaml
@@ -98,10 +98,10 @@ spec:
             - podAffinityTerm:
                 labelSelector:
                   matchExpressions:
-                  - key: app
-                    operator: In
-                    values:
-                    - vald-gateway
+                    - key: app
+                      operator: In
+                      values:
+                        - vald-gateway
                 topologyKey: kubernetes.io/hostname
               weight: 100
           requiredDuringSchedulingIgnoredDuringExecution: []
diff --git a/k8s/operator/helm/valdrelease.yaml b/k8s/operator/helm/valdrelease.yaml
index 61901c60b3..79efc89b8f 100644
--- a/k8s/operator/helm/valdrelease.yaml
+++ b/k8s/operator/helm/valdrelease.yaml
@@ -20,5 +20,4 @@ metadata:
   name: vald-cluster
   namespace: default
 # the values of Helm chart for Vald can be placed under the `spec` field.
-spec:
-  {}
+spec: {}