diff --git a/Jenkinsfile b/Jenkinsfile
index e20d9ac..b430b61 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,21 +1,21 @@
 pipeline {
     agent any
 
-    // triggers {
-    //     pollSCM('*/3 * * * *')
-    // }
+    triggers {
+        pollSCM('*/2 * * * *')
+    }
 
     stages {
         stage('Build doc') {
             steps {
                 sh 'echo "Build doc"'
             }
         }
 
         stage('Upload doc') {
             steps {
                 sh 'echo "Upload doc"'
             }
         }
     }
 }