diff --git a/internal/pkg/core/applicant/acme-dns-01/lego-providers/aliyun-esa/aliyun_esa.go b/internal/pkg/core/applicant/acme-dns-01/lego-providers/aliyun-esa/aliyun_esa.go
index bf7026da..56deaa2d 100644
--- a/internal/pkg/core/applicant/acme-dns-01/lego-providers/aliyun-esa/aliyun_esa.go
+++ b/internal/pkg/core/applicant/acme-dns-01/lego-providers/aliyun-esa/aliyun_esa.go
@@ -24,6 +24,7 @@ func NewChallengeProvider(config *ChallengeProviderConfig) (challenge.Provider,
 	providerConfig := internal.NewDefaultConfig()
 	providerConfig.SecretID = config.AccessKeyId
 	providerConfig.SecretKey = config.AccessKeySecret
+	providerConfig.RegionID = config.Region
 	if config.DnsPropagationTimeout != 0 {
 		providerConfig.PropagationTimeout = time.Duration(config.DnsPropagationTimeout) * time.Second
 	}