modified jenkinsfile again

Jenkinsfile

@@ -4,7 +4,7 @@ pipeline {
             filename 'Dockerfile'
             additionalBuildArgs '--registry-mirror=https://registry.docker-cn.com daemon'
             customWorkspace '/usr/bi-web'
-            arg '-p 80:80'
+            args '-p 80:80'
         }
     }
     stages {