Update README-zh.md

README-zh.md

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 # Spring Cloud Tencent
 
-[![Build Status](https://github.com/Tencent/spring-cloud-tencent/actions/workflows/junit_test.yml/badge.svg)](https://github.com/Tencent/spring-cloud-tencent/actions/workflows/junit_test.yml)
+[![Wiki](https://badgen.net/badge/icon/wiki?icon=wiki&label)](https://github.com/Tencent/spring-cloud-tencent/wiki)
 [![Maven Central](https://img.shields.io/maven-central/v/com.tencent.cloud/spring-cloud-tencent?label=Maven%20Central)](https://search.maven.org/search?q=g:com.tencent.cloud%20AND%20a:spring-cloud-tencent)
-[![codecov.io](https://codecov.io/gh/Tencent/spring-cloud-tencent/branch/main/graph/badge.svg)](https://codecov.io/gh/Tencent/spring-cloud-tencent?branch=main)
 [![Contributors](https://img.shields.io/github/contributors/Tencent/spring-cloud-tencent)](https://github.com/Tencent/spring-cloud-tencent/graphs/contributors)
 [![License](https://img.shields.io/badge/License-BSD%203--Clause-blue.svg)](https://opensource.org/licenses/BSD-3-Clause)
 
+[![Build Status](https://github.com/Tencent/spring-cloud-tencent/actions/workflows/junit_test.yml/badge.svg)](https://github.com/Tencent/spring-cloud-tencent/actions/workflows/junit_test.yml)
+[![codecov.io](https://codecov.io/gh/Tencent/spring-cloud-tencent/branch/greenwich/graph/badge.svg)](https://codecov.io/gh/Tencent/spring-cloud-tencent?branch=greenwich)
+[![Language grade: Java](https://img.shields.io/lgtm/grade/java/g/Tencent/spring-cloud-tencent.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/Tencent/spring-cloud-tencent/context:java)
+
 [English](./README.md) | 简体中文 
 
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