diff --git a/cluster/calcium/create_container_test.go b/cluster/calcium/create_container_test.go
index aed66ba0c..ad133fcc0 100644
--- a/cluster/calcium/create_container_test.go
+++ b/cluster/calcium/create_container_test.go
@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"testing"
 
-	"github.com/docker/docker/client"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/mock"
 	"gitlab.ricebook.net/platform/core/types"
@@ -39,7 +38,7 @@ func TestCreateContainerWithMemPrior(t *testing.T) {
 	assert.Equal(t, opts.Count, len(ids))
 
 	// get containers
-	clnt, _ := client.NewClient("http://127.0.0.1", "v1.29", mockDockerHTTPClient(), nil)
+	clnt := mockDockerClient()
 	cs := []types.Container{}
 	for _, id := range ids {
 		c := types.Container{
diff --git a/cluster/calcium/mock_test.go b/cluster/calcium/mock_test.go
index e9293fe0e..47ac5b44f 100644
--- a/cluster/calcium/mock_test.go
+++ b/cluster/calcium/mock_test.go
@@ -29,7 +29,7 @@ const (
 	APIVersion     = "v1.29"
 	mockMemory     = int64(8589934592) // 8G
 	mockID         = "f1f9da344e8f8f90f73899ddad02da6cdf2218bbe52413af2bcfef4fba2d22de"
-	appmemory      = 268435456 // 0.25 G
+	appmemory      = int64(268435456) // 0.25 G
 )
 
 var (
@@ -77,6 +77,7 @@ var (
 		"f1f9da344e8f8f90f73899ddad02da6cdf2218bbe52413af2bcfef4fba2d22df",
 		"f1f9da344e8f8f90f73899ddad02da6cdf2218bbe52413af2bcfef4fba2d22dg",
 	}
+	mockInspectedContainerResources = map[string]container.Resources{}
 )
 
 func testlogF(format interface{}, a ...interface{}) {
@@ -174,6 +175,11 @@ func mockDockerDoer(r *http.Request) (*http.Response, error) {
 		})
 	case fmt.Sprintf("/containers/%s/update", containerID):
 		testlogF("update container %s", containerID)
+		// update container's resources
+		updatedConfig := container.UpdateConfig{}
+		data, _ := ioutil.ReadAll(r.Body)
+		json.Unmarshal(data, &updatedConfig)
+		mockInspectedContainerResources[containerID] = updatedConfig.Resources
 		b, err = json.Marshal(container.ContainerUpdateOKBody{})
 	case fmt.Sprintf("/containers/%s", containerID):
 		testlogF("remove container %s", containerID)
@@ -205,23 +211,30 @@ func mockDockerDoer(r *http.Request) (*http.Response, error) {
 		}, nil
 	case fmt.Sprintf("/containers/%s/json", containerID):
 		testlogF("inspect container %s", containerID)
-		b, _ = json.Marshal(types.ContainerJSON{
+		rscs := container.Resources{
+			CPUQuota: utils.CpuPeriodBase,
+			Memory:   appmemory,
+		}
+		nRscs := container.Resources{}
+		if mockInspectedContainerResources[containerID].Memory != nRscs.Memory {
+			rscs = mockInspectedContainerResources[containerID]
+		}
+		containerJSON := types.ContainerJSON{
 			ContainerJSONBase: &types.ContainerJSONBase{
 				ID:    containerID,
 				Image: "image:latest",
 				Name:  "name",
 				HostConfig: &container.HostConfig{
-					Resources: container.Resources{
-						CPUQuota: utils.CpuPeriodBase,
-						Memory:   appmemory,
-					},
+					Resources: rscs,
 				},
 			},
 			Config: &container.Config{
 				Labels: nil,
 				Image:  "image:latest",
 			},
-		})
+		}
+		mockInspectedContainerResources[containerID] = containerJSON.HostConfig.Resources
+		b, _ = json.Marshal(containerJSON)
 	case "/networks/bridge/disconnect":
 		var disconnect types.NetworkDisconnect
 		if err := json.NewDecoder(r.Body).Decode(&disconnect); err != nil {
@@ -256,8 +269,12 @@ func newMockClient(doer func(*http.Request) (*http.Response, error)) *http.Clien
 	return r
 }
 
-func mockDockerHTTPClient() *http.Client {
-	return newMockClient(mockDockerDoer)
+func mockDockerClient() *client.Client {
+	clnt, err := client.NewClient("http://127.0.0.1", "v1.29", newMockClient(mockDockerDoer), nil)
+	if err != nil {
+		panic(err)
+	}
+	return clnt
 }
 
 func errorMock(statusCode int, message string) (*http.Response, error) {
@@ -295,10 +312,7 @@ func initMockConfig() {
 	mockStore = &mockstore.MockStore{}
 	mockc.SetStore(mockStore)
 
-	clnt, err := client.NewClient("http://127.0.0.1", "v1.29", mockDockerHTTPClient(), nil)
-	if err != nil {
-		panic(err)
-	}
+	clnt := mockDockerClient()
 
 	n1 := &coretypes.Node{
 		Name:      nodename,
diff --git a/cluster/calcium/realloc.go b/cluster/calcium/realloc.go
index eb4b1762c..1d33a1cbc 100644
--- a/cluster/calcium/realloc.go
+++ b/cluster/calcium/realloc.go
@@ -62,7 +62,7 @@ func (c *calcium) ReallocResource(ids []string, cpu float64, mem int64) (chan *t
 				return nil, fmt.Errorf("[realloc] cpu can not below zero")
 			}
 			if _, ok := podCPUContainersInfo[newCPURequire]; !ok {
-				podCPUContainersInfo[newCPURequire] = NodeContainers{} // go map 的傻逼语法, 不这样写会有 assignment to entry in nil map 错误
+				podCPUContainersInfo[newCPURequire] = NodeContainers{}
 				podCPUContainersInfo[newCPURequire][node] = []*types.Container{}
 			}
 			podCPUContainersInfo[newCPURequire][node] = append(podCPUContainersInfo[newCPURequire][node], container)
diff --git a/cluster/calcium/realloc_test.go b/cluster/calcium/realloc_test.go
index 7f1fb85de..1c42ab0c0 100644
--- a/cluster/calcium/realloc_test.go
+++ b/cluster/calcium/realloc_test.go
@@ -1,11 +1,13 @@
 package calcium
 
 import (
+	"context"
 	"sync"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
 	"gitlab.ricebook.net/platform/core/types"
+	"gitlab.ricebook.net/platform/core/utils"
 )
 
 func TestReallocWithCPUPrior(t *testing.T) {
@@ -157,3 +159,32 @@ func TestReallocWithMemoryPrior(t *testing.T) {
 	}
 
 }
+
+func TestReallocResource(t *testing.T) {
+	initMockConfig()
+
+	ids := ToUpdateContainerIDs
+	cpuadd := float64(0.1)
+	memadd := int64(1)
+
+	ch, err := mockc.ReallocResource(ids, cpuadd, memadd)
+	assert.Nil(t, err)
+
+	for msg := range ch {
+		assert.True(t, msg.Success)
+	}
+
+	clnt := mockDockerClient()
+	for _, id := range ids {
+		CJ, _ := clnt.ContainerInspect(context.Background(), id)
+
+		// diff memory
+		newMem := CJ.HostConfig.Resources.Memory
+		assert.Equal(t, newMem-memadd, appmemory)
+
+		// diff CPU
+		newCPU := CJ.HostConfig.Resources.CPUQuota
+		diff := float64(newCPU) - cpuadd*utils.CpuPeriodBase
+		assert.Equal(t, int(diff), utils.CpuPeriodBase)
+	}
+}
diff --git a/cluster/calcium/remove_container_test.go b/cluster/calcium/remove_container_test.go
index 39e7eeb3f..07ddf457a 100644
--- a/cluster/calcium/remove_container_test.go
+++ b/cluster/calcium/remove_container_test.go
@@ -5,7 +5,6 @@ import (
 
 	"gitlab.ricebook.net/platform/core/types"
 
-	"github.com/docker/docker/client"
 	"github.com/stretchr/testify/assert"
 )
 
@@ -13,7 +12,7 @@ func TestRemoveContainer(t *testing.T) {
 	initMockConfig()
 
 	ids := []string{}
-	clnt, _ := client.NewClient("http://127.0.0.1", "v1.29", mockDockerHTTPClient(), nil)
+	clnt := mockDockerClient()
 	for i := 0; i < 5; i++ {
 		ids = append(ids, mockContainerID())
 	}