diff --git a/models/cloudbrain.go b/models/cloudbrain.go
index 2f41a478f..087b082cd 100755
--- a/models/cloudbrain.go
+++ b/models/cloudbrain.go
@@ -99,7 +99,7 @@ type Cloudbrain struct {
 	CanDel           bool      `xorm:"-"`
 	CanModify        bool      `xorm:"-"`
 	Type             int
-	BenchmarkType    string	   `xorm:"DEFAULT ''"`
+	BenchmarkType    string `xorm:"DEFAULT ''"`
 
 	VersionID       int64  //版本id
 	VersionName     string `xorm:"INDEX"` //当前版本
@@ -386,8 +386,15 @@ type BenchmarkTypes struct {
 }
 
 type BenchmarkType struct {
-	Id    int    `json:"id"`
-	Value string `json:"value"`
+	Id     int                 `json:"id"`
+	First  string              `json:"first"`	//一级算法类型名称
+	Second []*BenchmarkDataset `json:"second"`
+}
+
+type BenchmarkDataset struct {
+	Id         int    `json:"id"`
+	Value      string `json:"value"`	//二级算法类型名称
+	Attachment string `json:"attachment"`	//数据集的uuid
 }
 
 type GpuInfos struct {
diff --git a/routers/repo/cloudbrain.go b/routers/repo/cloudbrain.go
index bb167e833..587c275ad 100755
--- a/routers/repo/cloudbrain.go
+++ b/routers/repo/cloudbrain.go
@@ -127,7 +127,9 @@ func cloudBrainNewDataPrepare(ctx *context.Context) error {
 	ctx.Data["benchmark_categories"] = categories.Category
 
 	if benchmarkTypes == nil {
-		json.Unmarshal([]byte(setting.BenchmarkTypes), &benchmarkTypes)
+		if err := json.Unmarshal([]byte(setting.BenchmarkTypes), &benchmarkTypes); err != nil {
+			log.Error("json.Unmarshal BenchmarkTypes(%s) failed:%v", setting.BenchmarkTypes, err, ctx.Data["MsgID"])
+		}
 	}
 	ctx.Data["benchmark_types"] = benchmarkTypes.BenchmarkType