diff --git a/parent/pom.xml b/parent/pom.xml
index e9e55759..b14ae64e 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -55,6 +55,7 @@
 		
 		<!-- environment setting -->
 		<java.version>1.8</java.version>
+		<tomcat.version>8.5.51</tomcat.version>
 		<maven.test.skip>true</maven.test.skip>
 		<maven-surefire-plugin.version>2.18.1</maven-surefire-plugin.version><!-- 降级到该版本，新版本可能会出现VM崩溃 -->
 		<eclipse-plugin-download-sources>false</eclipse-plugin-download-sources>