use bash

Jenkinsfile

@@ -84,7 +84,10 @@ pipeline {
                     cd ..
                 '''
                 echo '构建前端'
-                sh 'cd h5 && cnpm install && cnpm run build:test-on-server'
+                sh '''
+                    bash
+                    cd h5 && cnpm install && cnpm run build:test-on-server
+                '''
                 echo 'test step执行完了'
             }
         }