diff --git a/tencentcloud/resource_tc_postgresql_instance.go b/tencentcloud/resource_tc_postgresql_instance.go
index 93b75affa6..b1bc4a8778 100644
--- a/tencentcloud/resource_tc_postgresql_instance.go
+++ b/tencentcloud/resource_tc_postgresql_instance.go
@@ -209,6 +209,11 @@ func resourceTencentCloudPostgresqlInstance() *schema.Resource {
 				Computed:    true,
 				Description: "Port for private access.",
 			},
+			"uid": {
+				Type:        schema.TypeInt,
+				Computed:    true,
+				Description: "Uid of the postgresql instance.",
+			},
 			"create_time": {
 				Type:        schema.TypeString,
 				Computed:    true,
@@ -703,6 +708,7 @@ func resourceTencentCloudPostgresqlInstanceRead(d *schema.ResourceData, meta int
 	_ = d.Set("status", instance.DBInstanceStatus)
 	_ = d.Set("memory", instance.DBInstanceMemory)
 	_ = d.Set("storage", instance.DBInstanceStorage)
+	_ = d.Set("uid", instance.Uid)
 
 	// ignore spec_code
 	// qcs::postgres:ap-guangzhou:uin/123435236:DBInstanceId/postgres-xxx
diff --git a/website/docs/r/postgresql_instance.html.markdown b/website/docs/r/postgresql_instance.html.markdown
index 8c396af35b..cf58314150 100644
--- a/website/docs/r/postgresql_instance.html.markdown
+++ b/website/docs/r/postgresql_instance.html.markdown
@@ -86,6 +86,7 @@ In addition to all arguments above, the following attributes are exported:
 * `private_access_port` - Port for private access.
 * `public_access_host` - Host for public access.
 * `public_access_port` - Port for public access.
+* `uid` - Uid of the postgresql instance.
 
 
 ## Import