android 流解析成json出错

java.lang.ClassCastException: org.json.JSONObject$1 cannot be cast to org.json.JSONObject

08-05 01:12:52.664 1330-1406/com.yinuo.mancai W/System.err:     at com.yinuo.mancai.protocol.Response.toJson(Response.java:140)

08-05 01:12:52.664 1330-1406/com.yinuo.mancai W/System.err:     at com.yinuo.mancai.protocol.Protocol.getLoBoTzList(Protocol.java:350)

08-05 01:12:52.664 1330-1406/com.yinuo.mancai W/System.err:     at com.yinuo.mancai.logic.Controller$6.run(Controller.java:610)

08-05 01:12:52.664 1330-1406/com.yinuo.mancai W/System.err:     at com.yinuo.mancai.logic.Controller$1.run(Controller.java:147)

08-05 01:12:52.664 1330-1406/com.yinuo.mancai W/System.err:     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)

08-05 01:12:52.664 1330-1406/com.yinuo.mancai W/System.err:     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)
08-05 01:12:52.664 1330-1406/com.yinuo.mancai W/System.err:     at java.lang.Thread.run(Thread.java:761)

key对应的value有空存在，无法解析