diff --git a/apps/device/api/device.go b/apps/device/api/device.go
index b4bcda3..4c4861e 100644
--- a/apps/device/api/device.go
+++ b/apps/device/api/device.go
@@ -186,7 +186,7 @@ func (p *DeviceApi) InsertDevice(rc *restfulx.ReqCtx) {
 	data.OrgId = rc.LoginAccount.OrganizationId
 	list, _ := p.DeviceApp.FindList(entity.Device{Name: data.Name})
 	biz.IsTrue(!(list != nil && len(*list) > 0), fmt.Sprintf("名称%s已存在，设置其他命名", data.Name))
-	data.Id = utils.GenerateID()
+	data.Id = utils.GenerateTdID("d")
 	data.LinkStatus = global.INACTIVE
 	data.LastAt = time.Now()
 	data.Protocol = product.ProtocolName
diff --git a/apps/device/api/product.go b/apps/device/api/product.go
index ba90499..568494e 100644
--- a/apps/device/api/product.go
+++ b/apps/device/api/product.go
@@ -107,7 +107,7 @@ func (p *ProductApi) GetProduct(rc *restfulx.ReqCtx) {
 func (p *ProductApi) InsertProduct(rc *restfulx.ReqCtx) {
 	var data entity.Product
 	restfulx.BindJsonAndValid(rc, &data)
-	data.Id = utils.GenerateID()
+	data.Id = utils.GenerateTdID("p")
 	data.Owner = rc.LoginAccount.UserName
 	data.OrgId = rc.LoginAccount.OrganizationId
 	// 如果未设置规则链，默认为主链
diff --git a/kit/utils/str_utils.go b/kit/utils/str_utils.go
index 174a9db..1a5e849 100644
--- a/kit/utils/str_utils.go
+++ b/kit/utils/str_utils.go
@@ -167,3 +167,35 @@ func GenerateID() string {
 	}
 	return base64.URLEncoding.EncodeToString(id)[:10]
 }
+
+const (
+	letterBytes = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+)
+
+func RandString(n int) string {
+	rand.Seed(time.Now().UnixNano())
+	output := make([]byte, n)
+	// We will take n bytes, one byte for each character of output.
+	randomness := make([]byte, n)
+	// read all random
+	_, err := rand.Read(randomness)
+	if err != nil {
+		panic(err)
+	}
+	l := len(letterBytes)
+	// fill output
+	for pos := range output {
+		// get random item
+		random := randomness[pos]
+		// random % 64
+		randomPos := random % uint8(l)
+		// put into output
+		output[pos] = letterBytes[randomPos]
+	}
+
+	return string(output)
+}
+
+func GenerateTdID(px string) string {
+	return px + RandString(9)
+}