{
  "summary_func": {
    "source_coll": "event",
    "dest_coll": "summary_func",
    "task_name": "summary_func"
  },
  "first_recharge": {
    "source_coll": "paylist",
    "dest_coll": "user",
    "task_name": "first_recharge"
  },
   "repair_gunfu": {
    "source_coll": "user",
    "dest_coll": "user",
    "task_name": "repair_gunfu"
  }
}