diff --git a/README-CN.md b/README-CN.md
index 3c87e34..6b1f740 100644
--- a/README-CN.md
+++ b/README-CN.md
@@ -229,8 +229,8 @@ func main(){
     SetType("ecs_ram_role").
     // `roleName` is optional. It will be retrieved automatically if not set. It is highly recommended to set it up to reduce requests
     SetRoleName("RoleName").
-    // `EnableIMDSv2` is optional and is recommended to be turned on. It can be replaced by setting environment variable: ALIBABA_CLOUD_ECS_IMDSV2_ENABLE
-    SetEnableIMDSv2(true)
+    // `DisableIMDSv1` is optional and is recommended to be turned on. It can be replaced by setting environment variable: ALIBABA_CLOUD_IMDSV1_DISABLE
+    SetDisableIMDSv1(true)
 
   provider, err := credentials.NewCredential(config)
   if err != nil {
diff --git a/README.md b/README.md
index 35b2f79..d65f5c8 100644
--- a/README.md
+++ b/README.md
@@ -248,8 +248,8 @@ func main(){
     SetType("ecs_ram_role").
     // `roleName` is optional. It will be retrieved automatically if not set. It is highly recommended to set it up to reduce requests
     SetRoleName("RoleName").
-    // `EnableIMDSv2` is optional and is recommended to be turned on. It can be replaced by setting environment variable: ALIBABA_CLOUD_ECS_IMDSV2_ENABLE
-    SetEnableIMDSv2(true)
+    // `DisableIMDSv1` is optional and is recommended to be turned on. It can be replaced by setting environment variable: ALIBABA_CLOUD_IMDSV1_DISABLE
+    SetDisableIMDSv1(true)
 
   provider, err := credentials.NewCredential(config)
   if err != nil {
diff --git a/credentials/credential.go b/credentials/credential.go
index 2739c6a..f7f635a 100644
--- a/credentials/credential.go
+++ b/credentials/credential.go
@@ -115,6 +115,11 @@ func (s *Config) SetEnableIMDSv2(v bool) *Config {
 	return s
 }
 
+func (s *Config) SetDisableIMDSv1(v bool) *Config {
+	s.DisableIMDSv1 = &v
+	return s
+}
+
 func (s *Config) SetMetadataTokenDuration(v int) *Config {
 	s.MetadataTokenDuration = &v
 	return s
diff --git a/credentials/credential_test.go b/credentials/credential_test.go
index d602183..f4544c6 100644
--- a/credentials/credential_test.go
+++ b/credentials/credential_test.go
@@ -125,11 +125,21 @@ func TestNewCredentialWithECSRAMRole(t *testing.T) {
 	assert.Nil(t, err)
 	assert.NotNil(t, cred)
 
+	config.SetDisableIMDSv1(false)
+	cred, err = NewCredential(config)
+	assert.Nil(t, err)
+	assert.NotNil(t, cred)
+
 	config.SetEnableIMDSv2(true)
 	cred, err = NewCredential(config)
 	assert.Nil(t, err)
 	assert.NotNil(t, cred)
 
+	config.SetDisableIMDSv1(true)
+	cred, err = NewCredential(config)
+	assert.Nil(t, err)
+	assert.NotNil(t, cred)
+
 	config.SetEnableIMDSv2(true)
 	config.SetMetadataTokenDuration(180)
 	cred, err = NewCredential(config)