diff --git a/.changelog/3272.txt b/.changelog/3272.txt
new file mode 100644
index 0000000000..0419f64a27
--- /dev/null
+++ b/.changelog/3272.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+datasource/tencentcloud_vpn_connections: update code and doc
+```
\ No newline at end of file
diff --git a/tencentcloud/services/vpn/data_source_tc_vpn_connections.go b/tencentcloud/services/vpn/data_source_tc_vpn_connections.go
index 4a0795c203..cdfbb8814f 100644
--- a/tencentcloud/services/vpn/data_source_tc_vpn_connections.go
+++ b/tencentcloud/services/vpn/data_source_tc_vpn_connections.go
@@ -326,6 +326,7 @@ func dataSourceTencentCloudVpnConnectionsRead(d *schema.ResourceData, meta inter
 		mapping := map[string]interface{}{
 			"id":                         *connection.VpnConnectionId,
 			"name":                       *connection.VpnConnectionName,
+			"vpc_id":                     *connection.VpcId,
 			"vpn_gateway_id":             *connection.VpnGatewayId,
 			"customer_gateway_id":        *connection.CustomerGatewayId,
 			"ike_proto_authen_algorithm": *connection.IKEOptionsSpecification.PropoAuthenAlgorithm,
diff --git a/tencentcloud/services/vpn/data_source_tc_vpn_connections.md b/tencentcloud/services/vpn/data_source_tc_vpn_connections.md
index ed66520030..cdb381a686 100644
--- a/tencentcloud/services/vpn/data_source_tc_vpn_connections.md
+++ b/tencentcloud/services/vpn/data_source_tc_vpn_connections.md
@@ -2,15 +2,23 @@ Use this data source to query detailed information of VPN connections.
 
 Example Usage
 
+Query all vpn connections
+
+```hcl
+data "tencentcloud_vpn_connections" "example" {}
+```
+
+Query vpn connections by filters
+
 ```hcl
-data "tencentcloud_vpn_connections" "foo" {
-  name                = "main"
-  id                  = "vpnx-xfqag"
+data "tencentcloud_vpn_connections" "example" {
+  name                = "tf-example"
+  id                  = "vpnx-fq4e4364"
   vpn_gateway_id      = "vpngw-8ccsnclt"
-  vpc_id              = "cgw-xfqag"
-  customer_gateway_id = ""
+  vpc_id              = "vpc-6ccw0s5l"
+  customer_gateway_id = "cgw-r1g6c8fr"
   tags = {
-    test = "tf"
+    createBy = "Terraform"
   }
 }
-```
\ No newline at end of file
+```
diff --git a/website/docs/d/vpn_connections.html.markdown b/website/docs/d/vpn_connections.html.markdown
index b46d8ca851..4aad3ac5d7 100644
--- a/website/docs/d/vpn_connections.html.markdown
+++ b/website/docs/d/vpn_connections.html.markdown
@@ -13,15 +13,23 @@ Use this data source to query detailed information of VPN connections.
 
 ## Example Usage
 
+### Query all vpn connections
+
+```hcl
+data "tencentcloud_vpn_connections" "example" {}
+```
+
+### Query vpn connections by filters
+
 ```hcl
-data "tencentcloud_vpn_connections" "foo" {
-  name                = "main"
-  id                  = "vpnx-xfqag"
+data "tencentcloud_vpn_connections" "example" {
+  name                = "tf-example"
+  id                  = "vpnx-fq4e4364"
   vpn_gateway_id      = "vpngw-8ccsnclt"
-  vpc_id              = "cgw-xfqag"
-  customer_gateway_id = ""
+  vpc_id              = "vpc-6ccw0s5l"
+  customer_gateway_id = "cgw-r1g6c8fr"
   tags = {
-    test = "tf"
+    createBy = "Terraform"
   }
 }
 ```