diff --git a/models/resource_queue.go b/models/resource_queue.go
index cd42e2cb2..50fe08b36 100644
--- a/models/resource_queue.go
+++ b/models/resource_queue.go
@@ -2,6 +2,8 @@ package models
 
 import (
 	"code.gitea.io/gitea/modules/timeutil"
+	"errors"
+	"strconv"
 	"strings"
 	"xorm.io/builder"
 )
@@ -197,9 +199,74 @@ func ParseComputeResourceFormGrampus(grampusDeviceKind string) string {
 	return strings.ToUpper(t[1])
 }
 
-func ParseMemSizeFromGrampus(grampusMemSize string) float32 {
+type MemSize struct {
+	Sizes []string
+	Hex   int
+}
+
+var memSize = MemSize{Sizes: []string{"K", "M", "G", "T", "P", "E"}, Hex: 1000}
+var iMemSize = MemSize{Sizes: []string{"Ki", "Mi", "Gi", "Ti", "Pi", "Ei"}, Hex: 1024}
+
+func MatchMemSize(memSize MemSize, val string) (int, float32, error) {
+	for i, v := range memSize.Sizes {
+		if strings.HasSuffix(val, v) {
+			s := strings.TrimSuffix(val, v)
+			f, err := strconv.ParseFloat(s, 32)
+			if err != nil {
+				return 0, 0, err
+			}
+			return i, float32(f), nil
+		}
+	}
+	return -1, 0, nil
+}
+
+//TransferMemSize transfer oldValue format from old index to new index
+//eg:  memSize.Sizes = []string{"M", "G", "T", "P", "E"}, oldValue = 10 , oldIndex = 1 , newIndex = 0. it means transfer 10G to 10000M
+//so it returns 10000
+func TransferMemSize(memSize MemSize, oldValue float32, oldIndex int, newIndex int) float32 {
+	diff := oldIndex - newIndex
+	r := oldValue
+	if diff > 0 {
+		r = oldValue * float32(diff) * float32(memSize.Hex)
+	} else if diff < 0 {
+		r = oldValue / float32(-1*diff) / float32(memSize.Hex)
+	}
+	return r
+}
 
-	return 0
+//ParseMemSize find the memSize which matches value's format,and parse the number from value
+func ParseMemSize(value string, memSize MemSize, newIndex int) (bool, float32, error) {
+	index, r, err := MatchMemSize(memSize, value)
+	if err != nil {
+		return false, 0, err
+	}
+	if index < 0 {
+		return false, 0, nil
+	}
+	return true, TransferMemSize(memSize, r, index, newIndex), nil
+}
+
+func ParseMemSizeFromGrampus(grampusMemSize string) (float32, error) {
+	if grampusMemSize == "" {
+		return 0, nil
+	}
+	memflag, memResult, err := ParseMemSize(grampusMemSize, memSize, 2)
+	if err != nil {
+		return 0, err
+	}
+	if memflag {
+		return memResult, nil
+	}
+
+	iMemFlag, imemResult, err := ParseMemSize(grampusMemSize, iMemSize, 2)
+	if err != nil {
+		return 0, err
+	}
+	if iMemFlag {
+		return imemResult, nil
+	}
+	return 0, errors.New("grampus memSize format error")
 }
 
 func SyncGrampusQueues(updateList []ResourceQueue, insertList []ResourceQueue, existIds []int64) error {
diff --git a/services/cloudbrain/resource/resource_specification.go b/services/cloudbrain/resource/resource_specification.go
index e7a6ae54d..1b327aa59 100644
--- a/services/cloudbrain/resource/resource_specification.go
+++ b/services/cloudbrain/resource/resource_specification.go
@@ -3,6 +3,7 @@ package resource
 import (
 	"code.gitea.io/gitea/models"
 	"code.gitea.io/gitea/modules/grampus"
+	"code.gitea.io/gitea/modules/log"
 	"errors"
 	"strings"
 )
@@ -41,6 +42,11 @@ func SyncGrampusSpecs(doerId int64) error {
 				continue
 			}
 			accCardType := strings.ToUpper(spec.SpecInfo.AccDeviceModel)
+			memGiB, err := models.ParseMemSizeFromGrampus(spec.SpecInfo.MemorySize)
+			gpuMemGiB, err := models.ParseMemSizeFromGrampus(spec.SpecInfo.AccDeviceMemory)
+			if err != nil {
+				log.Error("ParseMemSizeFromGrampus error. MemorySize=%s AccDeviceMemory=%s", spec.SpecInfo.MemorySize, spec.SpecInfo.AccDeviceMemory)
+			}
 			// get resource queue.if queue not exist,skip it
 			r, err := models.GetResourceQueue(&models.ResourceQueue{
 				Cluster:         models.C2NetCluster,
@@ -68,8 +74,8 @@ func SyncGrampusSpecs(doerId int64) error {
 					SourceSpecId:    spec.ID,
 					AccCardsNum:     spec.SpecInfo.AccDeviceNum,
 					CpuCores:        spec.SpecInfo.CpuCoreNum,
-					MemGiB:          models.ParseMemSizeFromGrampus(spec.SpecInfo.MemorySize),
-					GPUMemGiB:       models.ParseMemSizeFromGrampus(spec.SpecInfo.AccDeviceMemory),
+					MemGiB:          memGiB,
+					GPUMemGiB:       gpuMemGiB,
 					Status:          models.SpecNotVerified,
 					IsAutomaticSync: true,
 					CreatedBy:       doerId,
@@ -81,8 +87,8 @@ func SyncGrampusSpecs(doerId int64) error {
 					ID:          oldSpec.ID,
 					AccCardsNum: spec.SpecInfo.AccDeviceNum,
 					CpuCores:    spec.SpecInfo.CpuCoreNum,
-					MemGiB:      models.ParseMemSizeFromGrampus(spec.SpecInfo.MemorySize),
-					GPUMemGiB:   models.ParseMemSizeFromGrampus(spec.SpecInfo.AccDeviceMemory),
+					MemGiB:      memGiB,
+					GPUMemGiB:   gpuMemGiB,
 					UpdatedBy:   doerId,
 				})
 			}