diff --git a/Jenkinsfile b/Jenkinsfile
index 16520034f881f809f18d1ddb7b7fa99b6c41f912..674a3e6fd3c622caa15d7937db3b0294ba9d3030 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -4,10 +4,6 @@ pipeline {
     /* Jenkins为流水线分配一个执行器和工作区*/
     agent any
 
-    script{
-        def singlyQuoted='hello'
-        def doublyQuoted="world"
-    }
 
 
 
@@ -16,8 +12,13 @@ pipeline {
 
         stage('echo'){
             steps{
-                echo 'hello mr. ${singlyQuoted}'
-                echo "i said hello mr. ${doublyQuoted}"
+                script{
+                    def singlyQuoted='hello'
+                    def doublyQuoted="world"
+                    echo 'hello mr. ${singlyQuoted}'
+                    echo "i said hello mr. ${doublyQuoted}"
+                }
+
             }
         }