diff --git a/.ci/helm.sh b/.ci/helm.sh
index 3dce7655..4e4fef38 100644
--- a/.ci/helm.sh
+++ b/.ci/helm.sh
@@ -269,6 +269,21 @@ function ci::verify_vpa_java_function() {
   ci::verify_exclamation_function "persistent://public/default/input-vpa-java-topic" "persistent://public/default/output-vpa-java-topic" "test-message" "test-message!" 10
 }
 
+function ci::calculate_multiplies() {
+  base=$1
+  value=$2
+  quotient=$(($value / $base))
+  remainder=$(($value % $base))
+
+  # If there's any remainder, we need to round up
+  if [ $remainder -ne 0 ]; then
+      multiple=$(($quotient + 1))
+  else
+      multiple=$quotient
+  fi
+  echo $multiple
+}
+
 function ci::verify_vpa_with_resource_unit() {
   name=$1
   kind=$2
@@ -278,18 +293,19 @@ function ci::verify_vpa_with_resource_unit() {
   kubectl wait -l name=$name --for=condition=RecommendationProvided --timeout=2m vpa
   cpu=`kubectl get vpa $vpaName -o jsonpath='{.status.recommendation.containerRecommendations[0].target.cpu}'`
   cpu_value=${cpu%m}
+  multiplier=$(ci::calculate_multiplies $baseCpu $cpu_value)
 
-  quotient=$(($cpu_value / $baseCpu))
-  remainder=$(($cpu_value % $baseCpu))
+  memory=`kubectl get vpa $vpaName -o jsonpath='{.status.recommendation.containerRecommendations[0].target.memory}'`
+  memory_value=${memory%k}
+  memory_value=$((memory_value*1024))
+  memoryMultiplier=$(ci::calculate_multiplies $baseMemory $memory_value)
 
-  # If there's any remainder, we need to round up
-  if [ $remainder -ne 0 ]; then
-      multiple=$(($quotient + 1))
-  else
-      multiple=$quotient
+  if [ $memoryMultiplier -gt $multiplier ]; then
+    multiplier=$memoryMultiplier
   fi
-  targetCpu=`echo $(($baseCpu* $multiple ))m`
-  targetMemory=`echo $(($baseMemory * $multiple ))`
+
+  targetCpu=`echo $(($baseCpu* $multiple))m`
+  targetMemory=`echo $(($baseMemory * $multiple))`
 
   resources='{"limits":{"cpu":"'$targetCpu'","memory":"'$targetMemory'"},"requests":{"cpu":"'$targetCpu'","memory":"'$targetMemory'"}}'
 
diff --git a/.github/workflows/trivy.yml b/.github/workflows/trivy.yml
index 1352c83b..9156ce19 100644
--- a/.github/workflows/trivy.yml
+++ b/.github/workflows/trivy.yml
@@ -59,4 +59,5 @@ jobs:
         with:
           image-ref: 'function-mesh-operator:latest'
           format: 'table'
-          exit-code: '1'
\ No newline at end of file
+          exit-code: '1'
+          severity: "MEDIUM,HIGH,CRITICAL"
diff --git a/controllers/common.go b/controllers/common.go
index 3a80311d..ae805ddb 100644
--- a/controllers/common.go
+++ b/controllers/common.go
@@ -152,10 +152,15 @@ func calculateVPARecommendation(vpa *vpav1.VerticalPodAutoscaler, vpaSpec *v1alp
 					if recommend.Target.Cpu().MilliValue()%vpaSpec.ResourceUnit.CPU.MilliValue() != 0 {
 						multiple += 1
 					}
-				} else if recommend.Target.Memory() != nil { // set resources based on Memory
-					multiple = recommend.Target.Memory().MilliValue() / vpaSpec.ResourceUnit.Memory.MilliValue()
+				}
+				if recommend.Target.Memory() != nil && recommend.Target.Memory().Value() != 0 {
+					multipleMemory := recommend.Target.Memory().MilliValue() / vpaSpec.ResourceUnit.Memory.MilliValue()
 					if recommend.Target.Memory().MilliValue()%vpaSpec.ResourceUnit.Memory.MilliValue() != 0 {
-						multiple += 1
+						multipleMemory += 1
+					}
+					// use the larger multiple
+					if multipleMemory > multiple {
+						multiple = multipleMemory
 					}
 				}
 			}
diff --git a/controllers/common_test.go b/controllers/common_test.go
index 89578dfa..b610254b 100644
--- a/controllers/common_test.go
+++ b/controllers/common_test.go
@@ -50,7 +50,7 @@ func Test_calculateVPARecommendation(t *testing.T) {
 									ContainerName: "*",
 									Target: corev1.ResourceList{
 										corev1.ResourceCPU:    resource.MustParse("0.2"),
-										corev1.ResourceMemory: resource.MustParse("1Gi"),
+										corev1.ResourceMemory: resource.MustParse("600Mi"),
 									},
 								},
 							},
@@ -86,7 +86,7 @@ func Test_calculateVPARecommendation(t *testing.T) {
 									ContainerName: "*",
 									Target: corev1.ResourceList{
 										corev1.ResourceCPU:    resource.MustParse("100m"),
-										corev1.ResourceMemory: resource.MustParse("1Gi"),
+										corev1.ResourceMemory: resource.MustParse("0.6Gi"),
 									},
 								},
 							},
@@ -183,6 +183,42 @@ func Test_calculateVPARecommendation(t *testing.T) {
 				},
 			},
 		},
+		{
+			name: "Use memory to calculate multiplier when it increase more than cpu",
+			args: args{
+				vpa: &vpav1.VerticalPodAutoscaler{
+					Status: vpav1.VerticalPodAutoscalerStatus{
+						Recommendation: &vpav1.RecommendedPodResources{
+							ContainerRecommendations: []vpav1.RecommendedContainerResources{
+								{
+									ContainerName: "*",
+									Target: corev1.ResourceList{
+										corev1.ResourceCPU:    resource.MustParse("0.2"),
+										corev1.ResourceMemory: resource.MustParse("1Gi"),
+									},
+								},
+							},
+						},
+					},
+				},
+				vpaSpec: &v1alpha1.VPASpec{
+					ResourceUnit: &v1alpha1.ResourceUnit{
+						CPU:    resource.MustParse("200m"),
+						Memory: resource.MustParse("800Mi"),
+					},
+				},
+			},
+			want: &corev1.ResourceRequirements{
+				Requests: corev1.ResourceList{
+					corev1.ResourceCPU:    *resource.NewScaledQuantity(400, resource.Milli),
+					corev1.ResourceMemory: *resource.NewScaledQuantity(2*800*1024*1024*1000, resource.Milli),
+				},
+				Limits: corev1.ResourceList{
+					corev1.ResourceCPU:    *resource.NewScaledQuantity(400, resource.Milli),
+					corev1.ResourceMemory: *resource.NewScaledQuantity(2*800*1024*1024*1000, resource.Milli),
+				},
+			},
+		},
 		{
 			name: "Use the target memory when target memory is equal to the resource unit memory",
 			args: args{
@@ -360,8 +396,8 @@ func Test_calculateVPARecommendation(t *testing.T) {
 			},
 			want: &corev1.ResourceRequirements{
 				Requests: corev1.ResourceList{
-					corev1.ResourceCPU:    *resource.NewScaledQuantity(200, resource.Milli),
-					corev1.ResourceMemory: *resource.NewScaledQuantity(800*1024*1024*1000, resource.Milli),
+					corev1.ResourceCPU:    *resource.NewScaledQuantity(400, resource.Milli),
+					corev1.ResourceMemory: *resource.NewScaledQuantity(2*800*1024*1024*1000, resource.Milli),
 				},
 			},
 		},
diff --git a/controllers/spec/common.go b/controllers/spec/common.go
index e0254385..c17a7214 100644
--- a/controllers/spec/common.go
+++ b/controllers/spec/common.go
@@ -20,6 +20,7 @@ package spec
 import (
 	"bytes"
 	"context"
+
 	// used for template
 	_ "embed"
 	"encoding/json"