diff --git a/cos.go b/cos.go
index bf3a318..f2ba435 100644
--- a/cos.go
+++ b/cos.go
@@ -26,7 +26,7 @@ import (
 
 const (
 	// Version current go sdk version
-	Version               = "0.7.56"
+	Version               = "0.7.57"
 	UserAgent             = "cos-go-sdk-v5/" + Version
 	contentTypeXML        = "application/xml"
 	defaultServiceBaseURL = "http://service.cos.myqcloud.com"
@@ -96,7 +96,9 @@ func (*BaseURL) innerCheck(u *url.URL, reg *regexp.Regexp) bool {
 }
 
 func (u *BaseURL) Check() bool {
-	return u.innerCheck(u.BucketURL, bucketDomainChecker) && u.innerCheck(u.ServiceURL, serviceDomainChecker) && u.innerCheck(u.BatchURL, batchDomainChecker)
+	return u.innerCheck(u.BucketURL, bucketDomainChecker) &&
+		(u.innerCheck(u.ServiceURL, serviceDomainChecker) || u.innerCheck(u.ServiceURL, bucketDomainChecker)) &&
+		(u.innerCheck(u.BatchURL, batchDomainChecker) || u.innerCheck(u.BatchURL, bucketDomainChecker))
 }
 
 // NewBucketURL 生成 BaseURL 所需的 BucketURL
diff --git a/cos_test.go b/cos_test.go
index 52d3f8d..293be84 100644
--- a/cos_test.go
+++ b/cos_test.go
@@ -247,52 +247,52 @@ func Test_CheckRetrieable(t *testing.T) {
 
 func Test_BaseURL(t *testing.T) {
 	u, _ := url.Parse("https://example-125000000.cos.ap-chengdu.myqcloud.com")
-	if !(&BaseURL{BucketURL: u}).Check() {
+	if !(&BaseURL{BucketURL: u, ServiceURL: u, BatchURL: u}).Check() {
 		t.Errorf("BaseURL check failed: %v", u)
 	}
 	u, _ = url.Parse("https://example-125000000.cos-website.ap-chengdu.myqcloud.com")
-	if !(&BaseURL{BucketURL: u}).Check() {
+	if !(&BaseURL{BucketURL: u, ServiceURL: u, BatchURL: u}).Check() {
 		t.Errorf("BaseURL check failed: %v", u)
 	}
 	u, _ = url.Parse("https://example-125000000.cos-internal.ap-chengdu.tencentcos.cn")
-	if !(&BaseURL{BucketURL: u}).Check() {
+	if !(&BaseURL{BucketURL: u, ServiceURL: u, BatchURL: u}).Check() {
 		t.Errorf("BaseURL check failed: %v", u)
 	}
 	u, _ = url.Parse("https://example-125000000.cos.ap-chengdu.tencentcos.cn")
-	if !(&BaseURL{BucketURL: u}).Check() {
+	if !(&BaseURL{BucketURL: u, ServiceURL: u, BatchURL: u}).Check() {
 		t.Errorf("BaseURL check failed: %v", u)
 	}
 	u, _ = url.Parse("https://example-125000000.cos.accelerate.myqcloud.com")
-	if !(&BaseURL{BucketURL: u}).Check() {
+	if !(&BaseURL{BucketURL: u, ServiceURL: u, BatchURL: u}).Check() {
 		t.Errorf("BaseURL check failed: %v", u)
 	}
 	u, _ = url.Parse("https://example-125000000.cos-internal.accelerate.tencentcos.cn")
-	if !(&BaseURL{BucketURL: u}).Check() {
+	if !(&BaseURL{BucketURL: u, ServiceURL: u, BatchURL: u}).Check() {
 		t.Errorf("BaseURL check failed: %v", u)
 	}
 	u, _ = url.Parse("http://example-125000000.cos.ap-chengdu.myqcloud.com:8080")
-	if !(&BaseURL{BucketURL: u}).Check() {
+	if !(&BaseURL{BucketURL: u, ServiceURL: u, BatchURL: u}).Check() {
 		t.Errorf("BaseURL check failed: %v", u)
 	}
 	u, _ = url.Parse("http://example-125000000.cos-internal.ap-chengdu.tencentcos.cn:80")
-	if !(&BaseURL{BucketURL: u}).Check() {
+	if !(&BaseURL{BucketURL: u, ServiceURL: u, BatchURL: u}).Check() {
 		t.Errorf("BaseURL check failed: %v", u)
 	}
 	u, _ = url.Parse("https://example-125000000.cos-internal.accelerate.tencentcos.cn:443")
-	if !(&BaseURL{BucketURL: u}).Check() {
+	if !(&BaseURL{BucketURL: u, ServiceURL: u, BatchURL: u}).Check() {
 		t.Errorf("BaseURL check failed: %v", u)
 	}
 
 	u, _ = url.Parse("https://example-125000000.cos.ap-chengdu@123.com/.myqcloud.com")
-	if (&BaseURL{BucketURL: u}).Check() {
+	if (&BaseURL{BucketURL: u, ServiceURL: u, BatchURL: u}).Check() {
 		t.Errorf("BaseURL check failed: %v", u)
 	}
 	u, _ = url.Parse("https://example-125000000.cos.ap-chengdu@123.com/.myqcloud.com:443")
-	if (&BaseURL{BucketURL: u}).Check() {
+	if (&BaseURL{BucketURL: u, ServiceURL: u, BatchURL: u}).Check() {
 		t.Errorf("BaseURL check failed: %v", u)
 	}
 	u, _ = url.Parse("https://example-125000000.cos.ap-chengdu@123.com/myqcloud.com")
-	if (&BaseURL{BucketURL: u}).Check() {
+	if (&BaseURL{BucketURL: u, ServiceURL: u, BatchURL: u}).Check() {
 		t.Errorf("BaseURL check failed: %v", u)
 	}
 
diff --git a/object.go b/object.go
index 368782d..dae557d 100644
--- a/object.go
+++ b/object.go
@@ -118,10 +118,11 @@ func (s *ObjectService) GetObjectURL(name string) *url.URL {
 }
 
 type PresignedURLOptions struct {
-	Query      *url.Values  `xml:"-" url:"-" header:"-"`
-	Header     *http.Header `header:"-,omitempty" url:"-" xml:"-"`
-	SignMerged bool         `xml:"-" url:"-" header:"-"`
-	AuthTime   *AuthTime    `xml:"-" url:"-" header:"-"`
+	Query           *url.Values  `xml:"-" url:"-" header:"-"`
+	Header          *http.Header `header:"-,omitempty" url:"-" xml:"-"`
+	SignMerged      bool         `xml:"-" url:"-" header:"-"`
+	AuthTime        *AuthTime    `xml:"-" url:"-" header:"-"`
+	EncodeDelimiter bool         `xml:"-" url:"-" header:"-"`
 }
 
 // GetPresignedURL get the object presigned to down or upload file by url
@@ -282,7 +283,17 @@ func (s *ObjectService) GetPresignedURL3(ctx context.Context, httpMethod, name s
 	if name == "" {
 		return nil, fmt.Errorf("object key is empty.")
 	}
-	name = encodeURIComponent(name, []byte("/"))
+	var encodeDelimiter bool
+	if opt != nil {
+		if popt, ok := opt.(*PresignedURLOptions); ok {
+			encodeDelimiter = popt.EncodeDelimiter
+		}
+	}
+	if encodeDelimiter {
+		name = encodeURIComponent(name)
+	} else {
+		name = encodeURIComponent(name, []byte("/"))
+	}
 
 	cred := s.client.GetCredential()
 	if cred == nil {
diff --git a/object_test.go b/object_test.go
index 9db3f08..9ab9684 100644
--- a/object_test.go
+++ b/object_test.go
@@ -452,6 +452,7 @@ func TestObjectService_GetPresignedURL3(t *testing.T) {
 		t.Fatalf("Wrong PreSignedURL!")
 	}
 
+	opt1.EncodeDelimiter = true
 	_, err = client.Object.GetPresignedURL3(c, http.MethodPut, "", time.Hour, opt1)
 	if err == nil {
 		t.Errorf("GetPresignedURL expect err is not null")