enh: set default timeout

Jenkinsfile2

@@ -233,7 +233,7 @@ pipeline {
                         changeRequest()
                     }
                     steps {
-                        timeout(time: 20, unit: 'MINUTES'){
+                        timeout(time: 40, unit: 'MINUTES'){
                             pre_test()
                             script {
                                 sh '''
@@ -245,8 +245,9 @@ pipeline {
                                 '''
                                 sh '''
                                     cd ${WKC}/tests/parallel_test
+                                    export DEFAULT_RETRY_TIME=2
                                     date
-                                    time ./run.sh -e -m /home/m.json -t /tmp/cases.task -b ${BRANCH_NAME} -l ${WKDIR}/log
+                                    timeout 2340 time ./run.sh -e -m /home/m.json -t /tmp/cases.task -b ${BRANCH_NAME} -l ${WKDIR}/log -o 480
                                 '''
                             }
                         }