java.lang.NullPointerException: null
  at me.chanjar.weixin.mp.util.json.WxMpMemberCardUserInfoResultGsonAdapter.deserialize(WxMpMemberCardUserInfoResultGsonAdapter.java:39) ~[weixin-java-mp-3.2.0.jar:na]
  at me.chanjar.weixin.mp.util.json.WxMpMemberCardUserInfoResultGsonAdapter.deserialize(WxMpMemberCardUserInfoResultGsonAdapter.java:17) ~[weixin-java-mp-3.2.0.jar:na]
  at com.google.gson.TreeTypeAdapter.read(TreeTypeAdapter.java:58) ~[gson-2.3.jar:na]
  at com.google.gson.Gson.fromJson(Gson.java:805) ~[gson-2.3.jar:na]
  at com.google.gson.Gson.fromJson(Gson.java:870) ~[gson-2.3.jar:na]
  at me.chanjar.weixin.mp.api.impl.WxMpMemberCardServiceImpl.getUserInfo(WxMpMemberCardServiceImpl.java:242) ~[weixin-java-mp-3.2.0.jar:na]
  at com.sf.wxweb.card.handler.UserGetCardHandler.getCustomerInfo(UserGetCardHandler.java:94) ~[classes/:na]
  at com.sf.wxweb.card.handler.UserGetCardHandler.access$300(UserGetCardHandler.java:26) ~[classes/:na]
  at com.sf.wxweb.card.handler.UserGetCardHandler$1.run(UserGetCardHandler.java:61) ~[classes/:na]
  at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [na:1.7.0_79]
  at java.util.concurrent.FutureTask.run(FutureTask.java:262) [na:1.7.0_79]
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_79]
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_79]
  at java.lang.Thread.run(Thread.java:745) [na:1.7.0_79]

wxMpService.getMemberCardService().getUserInfo(cardId, code);