use shlex to split the command line

docker/controller.py

@@ -12,6 +12,7 @@ import json
 import logging
 import re
 import os
+import shlex
 import signal
 import socket
 import sys
@@ -942,7 +943,7 @@ class JobManager(Manager):
                                     "$@" 2>&1 | cat >allgo.log
                                 fi
                         """,
-                        "job%d" % job.id, webapp.entrypoint] + job.param.split(),
+                        "job%d" % job.id, webapp.entrypoint] + shlex.split(job.param),
 
                     labels = {"allgo.tmp_img": tmp_img or ""},
                     host_config = ctrl.sandbox.create_host_config(