diff --git a/lab-27/lab-27-webflux-r2dbc/pom.xml b/lab-27/lab-27-webflux-r2dbc/pom.xml
index 4ef33eb1..6bb7a748 100644
--- a/lab-27/lab-27-webflux-r2dbc/pom.xml
+++ b/lab-27/lab-27-webflux-r2dbc/pom.xml
@@ -27,6 +27,7 @@
             <version>0.1.0.M2</version>
         </dependency>
 
+        <!-- jasync 的 r2dbc-mysql 驱动 -->
         <dependency>
             <groupId>com.github.jasync-sql</groupId>
             <artifactId>jasync-r2dbc-mysql</artifactId>
diff --git a/lab-27/lab-27-webflux-r2dbc/src/main/java/cn/iocoder/springboot/lab27/springwebflux/config/DatabaseConfiguration.java b/lab-27/lab-27-webflux-r2dbc/src/main/java/cn/iocoder/springboot/lab27/springwebflux/config/DatabaseConfiguration.java
index 21eb76d5..a1708377 100644
--- a/lab-27/lab-27-webflux-r2dbc/src/main/java/cn/iocoder/springboot/lab27/springwebflux/config/DatabaseConfiguration.java
+++ b/lab-27/lab-27-webflux-r2dbc/src/main/java/cn/iocoder/springboot/lab27/springwebflux/config/DatabaseConfiguration.java
@@ -6,13 +6,15 @@ import io.r2dbc.spi.ConnectionFactory;
 import org.springframework.boot.autoconfigure.r2dbc.R2dbcProperties;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.data.r2dbc.connectionfactory.R2dbcTransactionManager;
+import org.springframework.transaction.ReactiveTransactionManager;
 import org.springframework.transaction.annotation.EnableTransactionManagement;
 
 import java.net.URI;
 import java.net.URISyntaxException;
 
 @Configuration
-@EnableTransactionManagement
+@EnableTransactionManagement // 开启事务的支持
 public class DatabaseConfiguration {
 
     @Bean
@@ -29,4 +31,9 @@ public class DatabaseConfiguration {
         return  new JasyncConnectionFactory(new MySQLConnectionFactory(configuration));
     }
 
+    @Bean
+    public ReactiveTransactionManager transactionManager(R2dbcProperties properties) throws URISyntaxException {
+        return new R2dbcTransactionManager(this.connectionFactory(properties));
+    }
+
 }
diff --git a/lab-27/lab-27-webflux-r2dbc/src/main/resources/application.yaml b/lab-27/lab-27-webflux-r2dbc/src/main/resources/application.yaml
index 85444302..11684d15 100644
--- a/lab-27/lab-27-webflux-r2dbc/src/main/resources/application.yaml
+++ b/lab-27/lab-27-webflux-r2dbc/src/main/resources/application.yaml
@@ -1,4 +1,5 @@
 spring:
+  # R2DBC 配置，对应 R2dbcProperties 配置类
   r2dbc:
     url: mysql://47.112.193.81:3306/lab-27-webflux-r2dbc
     username: lab-27-webflux-r2dbc
diff --git a/lab-27/lab-27-webflux-r2dbc/src/main/resources/sql/users.sql b/lab-27/lab-27-webflux-r2dbc/src/main/resources/sql/users.sql
new file mode 100644
index 00000000..02a9b8eb
--- /dev/null
+++ b/lab-27/lab-27-webflux-r2dbc/src/main/resources/sql/users.sql
@@ -0,0 +1,8 @@
+CREATE TABLE `users` (
+  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '用户编号',
+  `username` varchar(64) COLLATE utf8mb4_bin DEFAULT NULL COMMENT '账号',
+  `password` varchar(32) COLLATE utf8mb4_bin DEFAULT NULL COMMENT '密码',
+  `create_time` datetime DEFAULT NULL COMMENT '创建时间',
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `idx_username` (`username`)
+) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
diff --git a/lab-27/lab-27-webflux-r2dbc/target/classes/application.yaml b/lab-27/lab-27-webflux-r2dbc/target/classes/application.yaml
index 85444302..11684d15 100644
--- a/lab-27/lab-27-webflux-r2dbc/target/classes/application.yaml
+++ b/lab-27/lab-27-webflux-r2dbc/target/classes/application.yaml
@@ -1,4 +1,5 @@
 spring:
+  # R2DBC 配置，对应 R2dbcProperties 配置类
   r2dbc:
     url: mysql://47.112.193.81:3306/lab-27-webflux-r2dbc
     username: lab-27-webflux-r2dbc