diff --git a/artifacts/deploy/ensurance.crane.io_podqoss.yaml b/artifacts/deploy/ensurance.crane.io_podqoss.yaml
index 2420b0e..af018a2 100644
--- a/artifacts/deploy/ensurance.crane.io_podqoss.yaml
+++ b/artifacts/deploy/ensurance.crane.io_podqoss.yaml
@@ -241,9 +241,6 @@ spec:
                           asyncRatio:
                             format: int64
                             type: integer
-                        required:
-                        - asyncDistanceFactor
-                        - asyncRatio
                         type: object
                       memPageCacheLimit:
                         properties:
@@ -253,9 +250,6 @@ spec:
                           pageCacheReclaimRatio:
                             format: int64
                             type: integer
-                        required:
-                        - pageCacheMaxRatio
-                        - pageCacheReclaimRatio
                         type: object
                       memPriority:
                         description: MemoryPriority define the memory priority for
@@ -271,8 +265,6 @@ spec:
                         properties:
                           watermarkRatio:
                             type: integer
-                        required:
-                        - watermarkRatio
                         type: object
                       memoryCompression:
                         properties:
diff --git a/ensurance/v1alpha1/types.go b/ensurance/v1alpha1/types.go
index f374e6c..9758fdd 100644
--- a/ensurance/v1alpha1/types.go
+++ b/ensurance/v1alpha1/types.go
@@ -197,18 +197,18 @@ type MemoryQOS struct {
 }
 
 type MemPageCacheLimit struct {
-	PageCacheMaxRatio     *int64 `json:"pageCacheMaxRatio"`
-	PageCacheReclaimRatio *int64 `json:"pageCacheReclaimRatio"`
+	PageCacheMaxRatio     *int64 `json:"pageCacheMaxRatio,omitempty"`
+	PageCacheReclaimRatio *int64 `json:"pageCacheReclaimRatio,omitempty"`
 }
 
 type MemAsyncReclaim struct {
-	AsyncRatio          *int64 `json:"asyncRatio"`
-	AsyncDistanceFactor *int64 `json:"asyncDistanceFactor"`
+	AsyncRatio          *int64 `json:"asyncRatio,omitempty"`
+	AsyncDistanceFactor *int64 `json:"asyncDistanceFactor,omitempty"`
 }
 
 // MemWatermark to set memory watermark priority
 type MemWatermark struct {
-	WatermarkRatio *int `json:"watermarkRatio"`
+	WatermarkRatio *int `json:"watermarkRatio,omitempty"`
 }
 
 type NetIOQOS struct {