diff --git a/spring-ai-alibaba-examples/playground-flight-booking/pom.xml b/spring-ai-alibaba-examples/playground-flight-booking/pom.xml
index a9653406..2aed38c2 100644
--- a/spring-ai-alibaba-examples/playground-flight-booking/pom.xml
+++ b/spring-ai-alibaba-examples/playground-flight-booking/pom.xml
@@ -86,18 +86,18 @@
 					<skip>true</skip>
 				</configuration>
 			</plugin>
-<!--			<plugin>-->
-<!--				<groupId>com.vaadin</groupId>-->
-<!--				<artifactId>vaadin-maven-plugin</artifactId>-->
-<!--				<version>${vaadin.version}</version>-->
-<!--				<executions>-->
-<!--					<execution>-->
-<!--						<goals>-->
-<!--							<goal>prepare-frontend</goal>-->
-<!--						</goals>-->
-<!--					</execution>-->
-<!--				</executions>-->
-<!--			</plugin>-->
+			<plugin>
+				<groupId>com.vaadin</groupId>
+				<artifactId>vaadin-maven-plugin</artifactId>
+				<version>${vaadin.version}</version>
+				<executions>
+					<execution>
+						<goals>
+							<goal>prepare-frontend</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-compiler-plugin</artifactId>