diff --git a/model/nodata.go b/model/nodata.go
new file mode 100644
index 000000000..de9d61ce9
--- /dev/null
+++ b/model/nodata.go
@@ -0,0 +1,40 @@
+package model
+
+import (
+	"fmt"
+	"github.com/open-falcon/common/utils"
+	ttime "github.com/toolkits/time"
+)
+
+type NodataItem struct {
+	Counter string `json:"counter"`
+	Ts      int64  `json:"ts"`
+	FStatus string `json:"fstatus"`
+	FTs     int64  `json:"fts"`
+}
+
+func (this *NodataItem) String() string {
+	return fmt.Sprintf("{NodataItem counter:%s ts:%s fecthStatus:%s fetchTs:%s}",
+		this.Counter, ttime.FormatTs(this.Ts), this.FStatus, ttime.FormatTs(this.FTs))
+}
+
+type NodataConfig struct {
+	Id       int               `json:"id"`
+	Name     string            `json:"name"`
+	ObjType  string            `json:"objType"`
+	Endpoint string            `json:"endpoint"`
+	Metric   string            `json:"metric"`
+	Tags     map[string]string `json:"tags"`
+	Type     string            `json:"type"`
+	Step     int64             `json:"step"`
+	Mock     float64           `json:"mock"`
+}
+
+func NewNodataConfig(id int, name string, objType string, endpoint string, metric string, tags map[string]string, dstype string, step int64, mock float64) *NodataConfig {
+	return &NodataConfig{id, name, objType, endpoint, metric, tags, dstype, step, mock}
+}
+
+func (this *NodataConfig) String() string {
+	return fmt.Sprintf("{NodataConfig id:%d, name:%s, objType:%s, endpoint:%s, metric:%s, tags:%s, type:%s, step:%d, mock:%f}",
+		this.Id, this.Name, this.ObjType, this.Endpoint, this.Metric, utils.SortedTags(this.Tags), this.Type, this.Step, this.Mock)
+}