diff --git a/addons/velaux/resources/parameter.cue b/addons/velaux/resources/parameter.cue
index 5d13d8e4..41c07959 100644
--- a/addons/velaux/resources/parameter.cue
+++ b/addons/velaux/resources/parameter.cue
@@ -20,5 +20,5 @@ parameter: {
 	// +usage=Specify the names of imagePullSecret for private image registry, eg. "{a,b,c}"
 	imagePullSecrets?: [...string]
 	// +usage=Specify whether to enable the dex
-	dex: *"false" | "true"
+	dex: *false | bool
 }
diff --git a/addons/velaux/resources/velaux.cue b/addons/velaux/resources/velaux.cue
index 104b5d72..4e348cfc 100644
--- a/addons/velaux/resources/velaux.cue
+++ b/addons/velaux/resources/velaux.cue
@@ -23,7 +23,7 @@ output: {
 		if parameter["serviceType"] != _|_ {
 			exposeType: parameter["serviceType"]
 		}
-		if parameter["dex"] == "true" {
+		if parameter["dex"] == true {
 			env: [
 				{
 					name:  "KUBEVELA_API_URL"
@@ -35,12 +35,12 @@ output: {
 				},
 			]
 		}
-		if parameter["dex"] == "false" {
+		if parameter["dex"] != true {
 			env: [
 				{
 					name:  "KUBEVELA_API_URL"
 					value: "apiserver.vela-system:8000"
-				},
+				}
 			]
 		}
 	}
diff --git a/test/e2e-test/addon-test/main.go b/test/e2e-test/addon-test/main.go
index 34649a75..b92d4ef1 100644
--- a/test/e2e-test/addon-test/main.go
+++ b/test/e2e-test/addon-test/main.go
@@ -29,7 +29,7 @@ import (
 )
 
 type AddonMeta struct {
-	Name string `json:"name"`
+	Name         string       `json:"name"`
 	Dependencies []Dependency `json:"dependencies"`
 }
 
@@ -57,7 +57,7 @@ func main() {
 }
 
 // will check all needed enabled addons according to changed files.
-func determineNeedEnableAddon (changedFile []string) map[string]bool {
+func determineNeedEnableAddon(changedFile []string) map[string]bool {
 	needEnabledAddon := map[string]bool{}
 	globalRex := regexp.MustCompile(globalRexPattern)
 	regx := regexp.MustCompile(regexPattern)
@@ -86,9 +86,9 @@ func determineNeedEnableAddon (changedFile []string) map[string]bool {
 	}
 
 	for addon := range needEnabledAddon {
-		 if err := checkAffectedAddon(addon, needEnabledAddon); err != nil {
-		 	panic(err)
-		 }
+		if err := checkAffectedAddon(addon, needEnabledAddon); err != nil {
+			panic(err)
+		}
 	}
 
 	for addon := range needEnabledAddon {
@@ -110,7 +110,7 @@ func checkAffectedAddon(addonName string, needEnabledAddon map[string]bool) erro
 	if err != nil {
 		return err
 	}
-	for _, subDir := range  dir {
+	for _, subDir := range dir {
 		if subDir.IsDir() {
 			meta, err := readAddonMeta(subDir.Name())
 			if err != nil {
@@ -128,12 +128,12 @@ func checkAffectedAddon(addonName string, needEnabledAddon map[string]bool) erro
 	return nil
 }
 
-func putInAllAddons (addons map[string]bool) error {
+func putInAllAddons(addons map[string]bool) error {
 	dir, err := ioutil.ReadDir("./addons")
 	if err != nil {
 		return err
 	}
-	for _, subDir := range  dir {
+	for _, subDir := range dir {
 		if subDir.IsDir() {
 			fmt.Println(subDir.Name())
 			addons[subDir.Name()] = true
@@ -143,7 +143,7 @@ func putInAllAddons (addons map[string]bool) error {
 }
 
 // these addons are depended by changed addons.
-func checkAddonDependency(addon string, changedAddon map[string]bool ) {
+func checkAddonDependency(addon string, changedAddon map[string]bool) {
 	meta, err := readAddonMeta(addon)
 	if err != nil {
 		panic(err)
@@ -169,7 +169,7 @@ func readAddonMeta(addonName string) (*AddonMeta, error) {
 
 // This func will enable addon by order rely-on addon's relationShip dependency,
 // this func is so dummy now that the order is written manually, we can generated a dependency DAG workflow in the furture.
-func enableAddonsByOrder (changedAddon map[string]bool)  error {
+func enableAddonsByOrder(changedAddon map[string]bool) error {
 	dirPattern := "addons/%s"
 	if changedAddon["fluxcd"] {
 		if err := enableOneAddon(fmt.Sprintf(dirPattern, "fluxcd")); err != nil {
@@ -219,7 +219,7 @@ func enableAddonsByOrder (changedAddon map[string]bool)  error {
 }
 
 func enableOneAddon(dir string) error {
-	cmd := exec.Command("vela","addon", "enable", dir)
+	cmd := exec.Command("vela", "addon", "enable", dir)
 	fmt.Println(cmd.String())
 	stdout, err := cmd.StdoutPipe()
 	cmd.Stderr = cmd.Stdout
@@ -238,13 +238,14 @@ func enableOneAddon(dir string) error {
 		}
 	}
 	if err = cmd.Wait(); err != nil {
+		checkAppStatus(dir)
 		return err
 	}
 	return nil
 }
 
-func disableOneAddon (addonName string) error {
-	cmd := exec.Command("vela","addon", "disable", addonName)
+func disableOneAddon(addonName string) error {
+	cmd := exec.Command("vela", "addon", "disable", addonName)
 	fmt.Println(cmd.String())
 	stdout, err := cmd.StdoutPipe()
 	cmd.Stderr = cmd.Stdout
@@ -268,10 +269,9 @@ func disableOneAddon (addonName string) error {
 	return nil
 }
 
-
 // this func can be used for debug when addon enable failed.
-func checkAppStatus(addonName string)  {
-	cmd := exec.Command("vela","status", "-n", "vela-system", "addon-" + addonName)
+func checkAppStatus(addonName string) {
+	cmd := exec.Command("vela", "status", "-n", "vela-system", "addon-"+addonName)
 	fmt.Println(cmd.String())
 	stdout, err := cmd.StdoutPipe()
 	cmd.Stderr = cmd.Stdout
@@ -296,7 +296,7 @@ func checkAppStatus(addonName string)  {
 
 // this func can be used for debug when addon enable failed.
 func checkPodStatus(namespace string) {
-	cmd := exec.Command("kubectl","get pods", "-n", namespace)
+	cmd := exec.Command("kubectl", "get pods", "-n", namespace)
 	fmt.Println(cmd.String())
 	stdout, err := cmd.StdoutPipe()
 	cmd.Stderr = cmd.Stdout