judge maxidleconns int(0) pointer

Bumps [golang.org/x/net](https://github.com/golang/net) from 0.0.0-20200226121028-0de0cce0169b to 0.9.0.
- [Release notes](https://github.com/golang/net/releases)
- [Commits](https://github.com/golang/net/commits/v0.9.0)

---
updated-dependencies:
- dependency-name: golang.org/x/net
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/dependabot.yml

@@ -0,0 +1,11 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "gomod" # See documentation for possible values
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "weekly"

README.md

@@ -2,11 +2,11 @@
 
 <a href="https://badge.fury.io/gh/alibabacloud-go%2Ftea"><img src="https://badge.fury.io/gh/alibabacloud-go%2Ftea.svg" alt="Latest Stable Version"></a>
 <a href="https://codecov.io/gh/alibabacloud-go/tea"><img src="https://codecov.io/gh/alibabacloud-go/tea/branch/master/graph/badge.svg" alt="codecov"></a>
-<a href="https://travis-ci.org/alibabacloud-go/tea"><img src="https://travis-ci.org/alibabacloud-go/tea.svg?branch=master" alt="Travis Build Status"></a>
+[![Go CI](https://github.com/alibabacloud-go/tea/actions/workflows/go.yml/badge.svg)](https://github.com/alibabacloud-go/tea/actions/workflows/go.yml)
 
-This project is used for support TEA OpenAPI DSL. It's a low-level library for http request.
+This project is used for support Darabonba OpenAPI DSL. It's a low-level library for http request.
 
 ## License
 [Apache-2.0](/LICENSE)
 
-Copyright (c) 2009-present, Alibaba Cloud All rights reserved.
+Copyright (c) 2009-present, Alibaba Cloud All rights reserved.

go.mod

@@ -4,7 +4,7 @@ go 1.14
 
 require (
 	github.com/alibabacloud-go/debug v0.0.0-20190504072949-9472017b5c68
-	github.com/json-iterator/go v1.1.10
-	github.com/modern-go/reflect2 v1.0.1
-	golang.org/x/net v0.0.0-20200226121028-0de0cce0169b
+	github.com/json-iterator/go v1.1.12
+	github.com/modern-go/reflect2 v1.0.2
+	golang.org/x/net v0.9.0
 )

tea/tea.go

@@ -476,6 +476,10 @@ func getHttpTransport(req *Request, runtime *RuntimeObject) (*http.Transport, er
 	} else {
 		trans.DialContext = setDialContext(runtime)
 	}
+	if runtime.MaxIdleConns != nil && *runtime.MaxIdleConns > 0 {
+		trans.MaxIdleConns = IntValue(runtime.MaxIdleConns)
+		trans.MaxIdleConnsPerHost = IntValue(runtime.MaxIdleConns)
+	}
 	return trans, nil
 }