diff --git a/plugins/source/alicloud/resources/services/bss/bill_details.go b/plugins/source/alicloud/resources/services/bss/bill_details.go
index 4b3e7f9988f379..363be95fc783dc 100644
--- a/plugins/source/alicloud/resources/services/bss/bill_details.go
+++ b/plugins/source/alicloud/resources/services/bss/bill_details.go
@@ -16,8 +16,8 @@ func BillDetails() *schema.Table {
 		Transform: transformers.TransformWithStruct(
 			&BillDetailsModel{},
 			transformers.WithPrimaryKeys(
-				"BillingCycle", "AccountID", "ProductCode",
-				"ProductType", "PipCode", "RecordID", "SubscriptionType", "CommodityCode",
+				"BillingCycle", "BillingDate", "AccountID", "ProductCode",
+				"ProductType", "PipCode", "RecordID", "SubscriptionType", "CommodityCode", "InstanceID",
 			),
 		),
 	}
diff --git a/website/tables/alicloud/alicloud_bss_bill_details.md b/website/tables/alicloud/alicloud_bss_bill_details.md
index 06b3e9f5431f53..2489e8b8e01086 100644
--- a/website/tables/alicloud/alicloud_bss_bill_details.md
+++ b/website/tables/alicloud/alicloud_bss_bill_details.md
@@ -4,7 +4,7 @@ This table shows data for Alibaba Cloud BSS Bill Details.
 
 https://help.aliyun.com/document_detail/100392.html
 
-The composite primary key for this table is (**billing_cycle**, **account_id**, **subscription_type**, **commodity_code**, **product_code**, **product_type**, **pip_code**, **record_id**).
+The composite primary key for this table is (**billing_cycle**, **billing_date**, **account_id**, **subscription_type**, **commodity_code**, **product_code**, **product_type**, **pip_code**, **record_id**, **instance_id**).
 
 ## Columns
 
@@ -15,7 +15,7 @@ The composite primary key for this table is (**billing_cycle**, **account_id**,
 |_cq_id|UUID|
 |_cq_parent_id|UUID|
 |billing_cycle (PK)|String|
-|billing_date|String|
+|billing_date (PK)|String|
 |account_id (PK)|String|
 |account_name|String|
 |product_name|String|
@@ -45,5 +45,5 @@ The composite primary key for this table is (**billing_cycle**, **account_id**,
 |owner_id|String|
 |record_id (PK)|String|
 |resource_group|String|
-|instance_id|String|
+|instance_id (PK)|String|
 |cash_amount|Float|
\ No newline at end of file