diff --git a/cmd/configure.go b/cmd/configure.go
index be09264..c4b9163 100644
--- a/cmd/configure.go
+++ b/cmd/configure.go
@@ -147,20 +147,32 @@ func saveConfiguration(cmd *cobra.Command) error {
 	reader := bufio.NewReader(os.Stdin)
 	if rootConfig.Server == "" {
 		fmt.Println("Please enter the APISIX server address: ")
-		server, _ := reader.ReadString('\n')
+		server, err := reader.ReadString('\n')
+		if err != nil {
+			return err
+		}
 		rootConfig.Server = strings.TrimSpace(server)
 	}
 
+	if !strings.HasPrefix(rootConfig.Server, "http://") && !strings.HasPrefix(rootConfig.Server, "https://") {
+		color.Yellow("APISIX address " + rootConfig.Server + " is configured without protocol, using HTTP")
+		rootConfig.Server = "http://" + rootConfig.Server
+	}
+	rootConfig.Server = strings.TrimSuffix(rootConfig.Server, "/")
+
 	_, err = url.Parse(rootConfig.Server)
 	if err != nil {
 		color.Red("Parse APISIX server address failed: %v", err)
 		return err
 	}
 
-	if rootConfig.Token == "" {
+	if rootConfig.Token == "" || overwrite {
 		fmt.Println("Please enter the APISIX token: ")
-		token, _ := reader.ReadString('\n')
-		rootConfig.Token = strings.TrimSpace(token)
+		token, err := reader.ReadString('\n')
+		if err != nil {
+			return err
+		}
+		rootConfig.Token = strings.TrimSpace(string(token))
 	}
 
 	// use viper to save the configuration
diff --git a/cmd/ping.go b/cmd/ping.go
index 45c27c0..cfc2d90 100644
--- a/cmd/ping.go
+++ b/cmd/ping.go
@@ -10,7 +10,6 @@ import (
 	"github.com/spf13/cobra"
 
 	"github.com/api7/adc/pkg/api/apisix"
-	"github.com/api7/adc/pkg/api/apisix/types"
 )
 
 // newPingCmd represents the ping command
@@ -36,16 +35,11 @@ func pingAPISIX() error {
 		return err
 	}
 
-	err = cluster.Route().Validate(context.Background(), &types.Route{
-		ID:         "test",
-		Name:       "test",
-		Uri:        "*",
-		UpstreamID: "abcd",
-	})
+	err = cluster.Ping()
 	if err != nil {
-		color.Red("Failed to ping APISIX: %v", err.Error())
+		color.Red("Failed to ping backend, response: %s", err.Error())
 	} else {
-		color.Green("Connected to APISIX successfully!")
+		color.Green("Connected to backend successfully!")
 	}
 	return nil
 }
diff --git a/cmd/root.go b/cmd/root.go
index 05e1873..44cf5e9 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -64,7 +64,7 @@ func initConfig() {
 	if cfgFile == "" {
 		home, err := homedir.Dir()
 		if err != nil {
-			color.Red("Failed to get home dir: %s", err)
+			color.Red("Failed to get home dir: %s", err.Error())
 			os.Exit(1)
 		}
 		viper.AddConfigPath(home)
@@ -79,7 +79,7 @@ func initConfig() {
 		color.Yellow("Config file not found at %s. Creating...", cfgFile)
 		_, err := os.Create(os.ExpandEnv(cfgFile))
 		if err != nil {
-			color.Red("Failed to initialize configuration file: %s", err)
+			color.Red("Failed to initialize configuration file: %s", err.Error())
 		}
 	}
 
@@ -97,7 +97,7 @@ func initConfig() {
 	rootConfig.Insecure = viper.GetBool("insecure")
 	cluster, err := apisix.NewCluster(context.Background(), rootConfig.ClientConfig)
 	if err != nil {
-		color.RedString("Failed to create a new cluster: %v", err)
+		color.RedString("Failed to create a new cluster: %v", err.Error())
 		return
 	}
 	rootConfig.APISIXCluster = cluster
diff --git a/pkg/api/apisix/apisix.go b/pkg/api/apisix/apisix.go
index 78b7116..56ced3b 100644
--- a/pkg/api/apisix/apisix.go
+++ b/pkg/api/apisix/apisix.go
@@ -17,6 +17,7 @@ type Cluster interface {
 	PluginMetadata() PluginMetadata
 	StreamRoute() StreamRoute
 	Upstream() Upstream
+	Ping() error
 }
 
 type ResourceClient[T any] interface {
diff --git a/pkg/api/apisix/cluster.go b/pkg/api/apisix/cluster.go
index 1cbe4a0..89effab 100644
--- a/pkg/api/apisix/cluster.go
+++ b/pkg/api/apisix/cluster.go
@@ -142,3 +142,8 @@ func (c *cluster) StreamRoute() StreamRoute {
 func (c *cluster) Upstream() Upstream {
 	return c.upstream
 }
+
+func (c *cluster) Ping() error {
+	_, err := c.Route().List(context.Background())
+	return err
+}
diff --git a/test/cli/suites-basic/ping.go b/test/cli/suites-basic/ping.go
index 22e51a2..f4a461a 100644
--- a/test/cli/suites-basic/ping.go
+++ b/test/cli/suites-basic/ping.go
@@ -13,7 +13,7 @@ var _ = ginkgo.Describe("`adc ping` tests", func() {
 		ginkgo.It("should connect to APISIX", func() {
 			output, err := s.Ping()
 			gomega.Expect(err).To(gomega.BeNil())
-			gomega.Expect(output).To(gomega.Equal("Connected to APISIX successfully!\n"))
+			gomega.Expect(output).To(gomega.Equal("Connected to backend successfully!\n"))
 		})
 	})
 })
diff --git a/test/mtls/suites-basic/ping.go b/test/mtls/suites-basic/ping.go
index 66669ce..f3db278 100644
--- a/test/mtls/suites-basic/ping.go
+++ b/test/mtls/suites-basic/ping.go
@@ -13,7 +13,7 @@ var _ = ginkgo.Describe("`adc ping` tests", func() {
 		ginkgo.It("should connect to APISIX", func() {
 			output, err := s.Ping()
 			gomega.Expect(err).To(gomega.BeNil())
-			gomega.Expect(output).To(gomega.Equal("Connected to APISIX successfully!\n"))
+			gomega.Expect(output).To(gomega.Equal("Connected to backend successfully!\n"))
 		})
 	})
 })