diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7eb52bb9..194424a8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 1.38.3 (2023-11-22)
+
+BUG FIXES:
+
+* `datasource/ucloud_iam_policy_document`: fix data type of version.
+
 ## 1.38.2 (2023-09-27)
 
 FEATURES:
diff --git a/examples/rssd/main.tf b/examples/rssd/main.tf
index 039ed81e..ffa8d245 100644
--- a/examples/rssd/main.tf
+++ b/examples/rssd/main.tf
@@ -2,7 +2,7 @@ terraform {
   required_providers {
     ucloud = {
       source = "ucloud/ucloud"
-      version = "~>1.38.2"
+      version = "~>1.38.3"
     }
   }
 }
diff --git a/ucloud/config.go b/ucloud/config.go
index dcefc50b..b93c9f04 100644
--- a/ucloud/config.go
+++ b/ucloud/config.go
@@ -72,7 +72,7 @@ func (c *Config) Client() (*UCloudClient, error) {
 	// enable auto retry with http/connection error
 	cfg.MaxRetries = c.MaxRetries
 	cfg.LogLevel = log.PanicLevel
-	cfg.UserAgent = "Terraform-UCloud/1.38.2"
+	cfg.UserAgent = "Terraform-UCloud/1.38.3"
 	cfg.BaseUrl = c.BaseURL
 
 	cred := auth.NewCredential()
diff --git a/ucloud/data_source_ucloud_iam_policy_document.go b/ucloud/data_source_ucloud_iam_policy_document.go
index 0fc5878a..d6bc2ca2 100644
--- a/ucloud/data_source_ucloud_iam_policy_document.go
+++ b/ucloud/data_source_ucloud_iam_policy_document.go
@@ -12,10 +12,10 @@ func dataSourceUCloudIAMPolicyDocument() *schema.Resource {
 		Read: dataSourceUCloudIAMPolicyDocumentRead,
 		Schema: map[string]*schema.Schema{
 			"version": {
-				Type:         schema.TypeInt,
+				Type:         schema.TypeString,
 				Optional:     true,
-				Default:      1,
-				ValidateFunc: validation.IntInSlice([]int{1}),
+				Default:      "1",
+				ValidateFunc: validation.StringInSlice([]string{"1"}, false),
 			},
 			"statement": {
 				Type:     schema.TypeList,
@@ -58,7 +58,7 @@ func dataSourceUCloudIAMPolicyDocument() *schema.Resource {
 }
 func dataSourceUCloudIAMPolicyDocumentRead(d *schema.ResourceData, meta interface{}) error {
 	if v, ok := d.GetOk("statement"); ok {
-		doc, err := assembleDataSourcePolicyJSON(v.([]interface{}), d.Get("version").(int))
+		doc, err := assembleDataSourcePolicyJSON(v.([]interface{}), d.Get("version").(string))
 		if err != nil {
 			return err
 		}
@@ -75,7 +75,7 @@ func dataSourceUCloudIAMPolicyDocumentRead(d *schema.ResourceData, meta interfac
 	return nil
 }
 
-func assembleDataSourcePolicyJSON(statements []interface{}, version int) (string, error) {
+func assembleDataSourcePolicyJSON(statements []interface{}, version string) (string, error) {
 	document := PolicyDocument{Version: version}
 	for _, v := range statements {
 		var statement PolicyStatement
@@ -102,6 +102,6 @@ type PolicyStatement struct {
 	Resource []string `json:"Resource"`
 }
 type PolicyDocument struct {
-	Version   int               `json:"Version"`
+	Version   string            `json:"Version"`
 	Statement []PolicyStatement `json:"Statement"`
 }
diff --git a/ucloud/data_source_ucloud_iam_policy_document_test.go b/ucloud/data_source_ucloud_iam_policy_document_test.go
index 4b85e70b..fad47480 100644
--- a/ucloud/data_source_ucloud_iam_policy_document_test.go
+++ b/ucloud/data_source_ucloud_iam_policy_document_test.go
@@ -36,7 +36,7 @@ func TestAccUCloudIAMPolicyDocument_basic(t *testing.T) {
 
 const testAccDataIAMPolicyDocumentConfig = `
 data "ucloud_iam_policy_document" foo {
-  version = 1
+  version = "1"
   statement {
     effect = "Allow"
     
@@ -46,7 +46,7 @@ data "ucloud_iam_policy_document" foo {
     ]
     
     resource = [
-      "ucs:uhost:*:<company-id>:instance/uhost-xxx",
+      "ucs:uhost:*:123:instance/uhost-xxx",
     ]
   }
   statement {
diff --git a/website/docs/d/iam_policy_document.html.markdown b/website/docs/d/iam_policy_document.html.markdown
index 744ba64a..e9305cda 100644
--- a/website/docs/d/iam_policy_document.html.markdown
+++ b/website/docs/d/iam_policy_document.html.markdown
@@ -14,7 +14,7 @@ Generates an IAM policy document in JSON format for use with resources that expe
 
 ```hcl
 data "ucloud_iam_policy_document" foo {
-  version = 1
+  version = "1"
   statement {
     effect = "Allow"
     
diff --git a/website/docs/index.html.markdown b/website/docs/index.html.markdown
index d4f150bb..0f9bba12 100644
--- a/website/docs/index.html.markdown
+++ b/website/docs/index.html.markdown
@@ -23,7 +23,7 @@ terraform {
   required_providers {
     ucloud = {
       source = "ucloud/ucloud"
-      version = "~>1.38.2"
+      version = "~>1.38.3"
     }
   }
 }
@@ -91,7 +91,7 @@ terraform {
   required_providers {
     ucloud = {
       source = "ucloud/ucloud"
-      version = "~>1.38.2"
+      version = "~>1.38.3"
     }
   }
 }