diff --git a/cmd/client/podsandboxconfig.json b/cmd/client/podsandboxconfig.json
index c3715456..86485bda 100644
--- a/cmd/client/podsandboxconfig.json
+++ b/cmd/client/podsandboxconfig.json
@@ -37,7 +37,7 @@
 			"requests": 200000000000
 		}
 	},
-	"lables": {
+	"labels": {
 		"group": "test"
 	},
 	"annotations": {
diff --git a/server/runtime.go b/server/runtime.go
index 041bbf81..a14ab4eb 100644
--- a/server/runtime.go
+++ b/server/runtime.go
@@ -2,7 +2,6 @@ package server
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 
@@ -46,24 +45,17 @@ func (s *Server) CreatePodSandbox(ctx context.Context, req *pb.CreatePodSandboxR
 
 	// process req.Name
 	name := req.GetConfig().GetName()
-	var podSandboxDir string
-
 	if name == "" {
-		podSandboxDir, err := ioutil.TempDir(s.sandboxDir, "")
-		if err != nil {
-			return nil, err
-		}
-		name = filepath.Base(podSandboxDir)
-	} else {
-		podSandboxDir = filepath.Join(s.sandboxDir, name)
-		if _, err := os.Stat(podSandboxDir); err == nil {
-			return nil, fmt.Errorf("pod sandbox (%s) already exists", podSandboxDir)
-		}
+		return nil, fmt.Errorf("PodSandboxConfig.Name should not be empty")
+	}
 
-		if err := os.MkdirAll(podSandboxDir, 0755); err != nil {
-			return nil, err
-		}
+	podSandboxDir := filepath.Join(s.sandboxDir, name)
+	if _, err := os.Stat(podSandboxDir); err == nil {
+		return nil, fmt.Errorf("pod sandbox (%s) already exists", podSandboxDir)
+	}
 
+	if err := os.MkdirAll(podSandboxDir, 0755); err != nil {
+		return nil, err
 	}
 
 	// creates a spec Generator with the default spec.