diff --git a/README.md b/README.md
index 0f069739..2d81fa5a 100644
--- a/README.md
+++ b/README.md
@@ -145,7 +145,7 @@
 * [《芋道 Spring Cloud Netflix 负载均衡 Ribbon 入门》](http://www.iocoder.cn/Spring-Cloud-Netflix/Ribbon/?github) 对应 [labx-02](https://github.com/YunaiV/SpringBoot-Labs/tree/master/labx-02)
 * [《芋道 Spring Cloud 声明式调用 Feign 入门》](http://www.iocoder.cn/Spring-Cloud/Feign/?github) 对应 [labx-03](https://github.com/YunaiV/SpringBoot-Labs/tree/master/labx-03)
 * [《芋道 Spring Cloud 服务网关 Spring Cloud Gateway 入门》](http://www.iocoder.cn/Spring-Cloud/Spring-Cloud-Gateway/?github) 对应 [labx-08](https://github.com/YunaiV/SpringBoot-Labs/tree/master/labx-08)
-* [《芋道 Spring Cloud 链路追踪 SkyWalking 入门》](http://www.iocodere.cn/Spring-Cloud/SkyWalking/?github) 对应 [labx-14](https://github.com/YunaiV/SpringBoot-Labs/tree/master/labx-14)
+* [《芋道 Spring Cloud 链路追踪 SkyWalking 入门》](http://www.iocoder.cn/Spring-Cloud/SkyWalking/?github) 对应 [labx-14](https://github.com/YunaiV/SpringBoot-Labs/tree/master/labx-14)
 * TODO 监控
 
 # Spring Cloud 专栏
@@ -186,8 +186,8 @@
 
 ## 链路追踪
 
-* [《芋道 Spring Cloud 链路追踪 SkyWalking 入门》](http://www.iocodere.cn/Spring-Cloud/SkyWalking/?github) 对应 [labx-14](https://github.com/YunaiV/SpringBoot-Labs/tree/master/labx-14)
-* [《芋道 Spring Cloud 链路追踪 Spring Cloud Sleuth》](http://www.iocodere.cn/Spring-Cloud/Spring-Cloud-Sleuth/?github) 对应 [labx-13](https://github.com/YunaiV/SpringBoot-Labs/tree/master/labx-13)
+* [《芋道 Spring Cloud 链路追踪 SkyWalking 入门》](http://www.iocoder.cn/Spring-Cloud/SkyWalking/?github) 对应 [labx-14](https://github.com/YunaiV/SpringBoot-Labs/tree/master/labx-14)
+* [《芋道 Spring Cloud 链路追踪 Spring Cloud Sleuth》](http://www.iocoder.cn/Spring-Cloud/Spring-Cloud-Sleuth/?github) 对应 [labx-13](https://github.com/YunaiV/SpringBoot-Labs/tree/master/labx-13)
 
 # Dubbo 专栏
 
diff --git a/labx-13/labx-13-sc-sleuth-db-mysql/pom.xml b/labx-13/labx-13-sc-sleuth-db-mysql/pom.xml
new file mode 100644
index 00000000..063a2385
--- /dev/null
+++ b/labx-13/labx-13-sc-sleuth-db-mysql/pom.xml
@@ -0,0 +1,75 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>labx-13</artifactId>
+        <groupId>cn.iocoder.springboot.labs</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>labx-13-sc-sleuth-db-mysql</artifactId>
+
+    <properties>
+        <maven.compiler.target>1.8</maven.compiler.target>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <spring.boot.version>2.2.4.RELEASE</spring.boot.version>
+        <spring.cloud.version>Hoxton.SR1</spring.cloud.version>
+    </properties>
+
+    <!--
+        引入 Spring Boot、Spring Cloud、Spring Cloud Alibaba 三者 BOM 文件，进行依赖版本的管理，防止不兼容。
+        在 https://dwz.cn/mcLIfNKt 文章中，Spring Cloud Alibaba 开发团队推荐了三者的依赖关系
+     -->
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-starter-parent</artifactId>
+                <version>${spring.boot.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+            <dependency>
+                <groupId>org.springframework.cloud</groupId>
+                <artifactId>spring-cloud-dependencies</artifactId>
+                <version>${spring.cloud.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <dependencies>
+        <!-- 引入 SpringMVC 相关依赖，并实现对其的自动配置 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <!-- 实现对数据库连接池的自动化配置 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-jdbc</artifactId>
+        </dependency>
+        <dependency> <!-- 本示例，我们使用 MySQL -->
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>5.1.46</version>
+        </dependency>
+
+        <!-- 引入 Spring Cloud Sleuth + Zipkin 相关依赖，实现对它们的自动配置，从而实现链路追踪 -->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-zipkin</artifactId>
+        </dependency>
+
+        <!-- Brave 对 MySQL 的支持 -->
+        <dependency>
+            <groupId>io.zipkin.brave</groupId>
+            <artifactId>brave-instrumentation-mysql</artifactId>
+        </dependency>
+    </dependencies>
+
+</project>
diff --git a/labx-13/labx-13-sc-sleuth-db-mysql/src/main/java/cn/iocoder/springcloud/labx13/springmvcdemo/UserServiceApplication.java b/labx-13/labx-13-sc-sleuth-db-mysql/src/main/java/cn/iocoder/springcloud/labx13/springmvcdemo/UserServiceApplication.java
new file mode 100644
index 00000000..5386ea90
--- /dev/null
+++ b/labx-13/labx-13-sc-sleuth-db-mysql/src/main/java/cn/iocoder/springcloud/labx13/springmvcdemo/UserServiceApplication.java
@@ -0,0 +1,13 @@
+package cn.iocoder.springcloud.labx13.springmvcdemo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class UserServiceApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(UserServiceApplication.class, args);
+    }
+
+}
diff --git a/labx-13/labx-13-sc-sleuth-db-mysql/src/main/java/cn/iocoder/springcloud/labx13/springmvcdemo/controller/UserController.java b/labx-13/labx-13-sc-sleuth-db-mysql/src/main/java/cn/iocoder/springcloud/labx13/springmvcdemo/controller/UserController.java
new file mode 100644
index 00000000..c06ff06e
--- /dev/null
+++ b/labx-13/labx-13-sc-sleuth-db-mysql/src/main/java/cn/iocoder/springcloud/labx13/springmvcdemo/controller/UserController.java
@@ -0,0 +1,30 @@
+package cn.iocoder.springcloud.labx13.springmvcdemo.controller;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.jdbc.core.BeanPropertyRowMapper;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/user")
+public class UserController {
+
+    @Autowired
+    private JdbcTemplate template;
+
+    @GetMapping("/get")
+    public String get(@RequestParam("id") Integer id) {
+        this.selectById(1);
+        return "success";
+    }
+
+    public Object selectById(Integer id) {
+        return template.queryForObject("SELECT id, username, password FROM t_user WHERE id = ?",
+                new BeanPropertyRowMapper<>(Object.class), // 结果转换成对应的对象。Object 理论来说是 UserDO.class ，这里偷懒了。
+                id);
+    }
+
+}
diff --git a/labx-13/labx-13-sc-sleuth-db-mysql/src/main/resources/application.yml b/labx-13/labx-13-sc-sleuth-db-mysql/src/main/resources/application.yml
new file mode 100644
index 00000000..10c58b1e
--- /dev/null
+++ b/labx-13/labx-13-sc-sleuth-db-mysql/src/main/resources/application.yml
@@ -0,0 +1,20 @@
+spring:
+  application:
+    name: user-service # 服务名
+
+  # Zipkin 配置项，对应 ZipkinProperties 类
+  zipkin:
+    base-url: http://127.0.0.1:9411 # Zipkin 服务的地址
+
+  # Spring Cloud Sleuth 配置项
+  sleuth:
+    # Spring Cloud Sleuth 针对 Web 组件的配置项，例如说 SpringMVC
+    web:
+      enabled: true # 是否开启，默认为 true
+
+  # datasource 数据源配置内容
+  datasource:
+    url: jdbc:mysql://127.0.0.1:3306/lab-39-mysql?useSSL=false&useUnicode=true&characterEncoding=UTF-8&statementInterceptors=brave.mysql.TracingStatementInterceptor&zipkinServiceName=demo-db-mysql
+    driver-class-name: com.mysql.jdbc.Driver
+    username: root
+    password:
diff --git a/labx-13/labx-13-sc-sleuth-dubbo/labx-13-sc-sleuth-dubbo-consumer/pom.xml b/labx-13/labx-13-sc-sleuth-dubbo/labx-13-sc-sleuth-dubbo-consumer/pom.xml
index 5cbf6d9a..377c9f6c 100644
--- a/labx-13/labx-13-sc-sleuth-dubbo/labx-13-sc-sleuth-dubbo-consumer/pom.xml
+++ b/labx-13/labx-13-sc-sleuth-dubbo/labx-13-sc-sleuth-dubbo-consumer/pom.xml
@@ -11,7 +11,6 @@
 
     <artifactId>labx-13-sc-sleuth-dubbo-consumer</artifactId>
 
-
     <properties>
         <maven.compiler.target>1.8</maven.compiler.target>
         <maven.compiler.source>1.8</maven.compiler.source>
diff --git a/labx-13/labx-13-sc-sleuth-dubbo/labx-13-sc-sleuth-dubbo-provider/src/main/java/cn/iocoder/springcloud/labx13/providerdemo/service/UserServiceImpl.java b/labx-13/labx-13-sc-sleuth-dubbo/labx-13-sc-sleuth-dubbo-provider/src/main/java/cn/iocoder/springcloud/labx13/providerdemo/service/UserServiceImpl.java
index e13ccb75..64e0b8dc 100644
--- a/labx-13/labx-13-sc-sleuth-dubbo/labx-13-sc-sleuth-dubbo-provider/src/main/java/cn/iocoder/springcloud/labx13/providerdemo/service/UserServiceImpl.java
+++ b/labx-13/labx-13-sc-sleuth-dubbo/labx-13-sc-sleuth-dubbo-provider/src/main/java/cn/iocoder/springcloud/labx13/providerdemo/service/UserServiceImpl.java
@@ -10,5 +10,4 @@ public class UserServiceImpl implements UserService {
         return "user:" + id;
     }
 
-
 }
diff --git a/labx-13/pom.xml b/labx-13/pom.xml
index c8e820c8..3916fb76 100644
--- a/labx-13/pom.xml
+++ b/labx-13/pom.xml
@@ -18,6 +18,8 @@
         <module>labx-13-sc-sleuth-feign</module>
         <module>labx-13-sc-sleuth-springcloudgateway</module>
         <module>labx-13-sc-sleuth-dubbo</module>
+
+        <module>labx-13-sc-sleuth-db-mysql</module>
     </modules>