Upgrade Node version from v8 to v14 (#99)

diff --git a/shardingsphere-elasticjob-cloud-ui/shardingsphere-elasticjob-cloud-ui-frontend/pom.xml b/shardingsphere-elasticjob-cloud-ui/shardingsphere-elasticjob-cloud-ui-frontend/pom.xml
index bdb374d..b19a41b 100644
--- a/shardingsphere-elasticjob-cloud-ui/shardingsphere-elasticjob-cloud-ui-frontend/pom.xml
+++ b/shardingsphere-elasticjob-cloud-ui/shardingsphere-elasticjob-cloud-ui-frontend/pom.xml
@@ -27,8 +27,8 @@
     <name>${project.artifactId}</name>
 
     <properties>
-        <node.version>v8.11.1</node.version>
-        <npm.version>5.6.0</npm.version>
+        <node.version>v14.15.4</node.version>
+        <npm.version>6.14.10</npm.version>
     </properties>
 
     <profiles>
diff --git a/shardingsphere-elasticjob-lite-ui/shardingsphere-elasticjob-lite-ui-frontend/pom.xml b/shardingsphere-elasticjob-lite-ui/shardingsphere-elasticjob-lite-ui-frontend/pom.xml
index be1179d..2c6a7f1 100644
--- a/shardingsphere-elasticjob-lite-ui/shardingsphere-elasticjob-lite-ui-frontend/pom.xml
+++ b/shardingsphere-elasticjob-lite-ui/shardingsphere-elasticjob-lite-ui-frontend/pom.xml
@@ -27,8 +27,8 @@
     <name>${project.artifactId}</name>
 
     <properties>
-        <node.version>v8.11.1</node.version>
-        <npm.version>5.6.0</npm.version>
+        <node.version>v14.15.4</node.version>
+        <npm.version>6.14.10</npm.version>
     </properties>
 
     <profiles>