[{"itemType":"task","number":"1","title":"01\u4ee5\u592a\u574a\u6846\u67b6\u89e3\u6790","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1270","isOptional":"0","type":"video","isTaskFree":"1","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"18:59","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"2","title":"02\u4ee5\u592a\u574a\u9ec4\u76ae\u4e661","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1271","isOptional":"0","type":"video","isTaskFree":"1","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:06","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"3","title":"03\u4ee5\u592a\u574a\u4f01\u4e1a\u4fee\u6539\u65b9\u6cd5","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1272","isOptional":"0","type":"video","isTaskFree":"1","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:20","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"4","title":"04\u4ee5\u592a\u574a\u6e90\u7801\u5b89\u88c5\u73af\u5883","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1273","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:24","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"5","title":"05\u4ee5\u592a\u574a\u8054\u76df\u529f\u80fd","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1274","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"33:08","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"6","title":"06\u4ee5\u592a\u574a\u8f6c\u8d26\u4ea4\u6613","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1275","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"13:42","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"7","title":"07\u4ee5\u592a\u574a\u53ea\u80fd\u5408\u7ea6","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1276","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:57","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"8","title":"08\u4ee5\u592a\u574a\u8054\u76df\u94fe\u90e8\u7f72\u667a\u80fd\u5408\u7ea6","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1277","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"33:18","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"9","title":"09RLP\u7406\u8bba1","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1278","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:39","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"10","title":"10RLP\u7406\u8bba2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1279","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:15","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"11","title":"11RLP\u7406\u8bba3","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1280","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:07","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"12","title":"12RLP\u7406\u8bba4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1281","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"02:06","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"13","title":"13RLP\u7406\u8bba5","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1282","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:09","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"14","title":"14RLP\u6e90\u7801\u89e3\u67901","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1283","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"25:59","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"15","title":"15RLP\u6e90\u7801\u89e3\u67902","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1284","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:50","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"16","title":"16RLP\u7f16\u7801\u6d41\u7a0b","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1286","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"33:20","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"17","title":"17Transaction\u4ea4\u6613\u7c7b\u578b\u5206\u6790","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1287","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:29","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"18","title":"18Common\u5305\u4e2d\u7684Hash\u548cAddress","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1288","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:49","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"19","title":"19trie,\u5e15\u7279\u91cc\u590f,Merkle\u4e09\u79cd\u6811\u7ed3\u6784","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1289","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:35","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"20","title":"20\u4ee5\u592a\u574aMPT\u6811\u7ed3\u6784","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1290","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:59","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"21","title":"21Block\u6e90\u7801\u6570\u636e\u7ed3\u67841","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1291","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"21:47","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"22","title":"22Block\u6e90\u7801\u6570\u636e\u7ed3\u67842","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1292","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:07","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"23","title":"23\u4ee5\u592a\u574ageth\u547d\u4ee4\u6e90\u78011","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1293","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"25:55","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"24","title":"24\u4ee5\u592a\u574ageth\u547d\u4ee4\u6e90\u78012","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1294","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"21:32","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"25","title":"25\u521b\u5efa\u666e\u901aTransaction\u6e90\u7801\u5206\u6790","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1295","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"18:28","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"26","title":"26Transaction\u7684Sign\u7b7e\u540d\u6e90\u7801\u5206\u6790","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1296","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"18:19","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"27","title":"27\u4ee5\u592a\u574a\u63d0\u4ea4Transaction\u6e90\u7801\u601d\u8def","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1297","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:36","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"28","title":"28\u8d26\u6237(account)\u548c\u94b1\u5305(wallet)","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1298","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"22:30","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"29","title":"29\u4ee5\u592a\u574aTx_Pool\u4ea4\u6613\u6c60","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1300","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"24:04","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"30","title":"30\u63d0\u4ea4transaction\u5230Tx_Pool","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1301","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"13:48","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"31","title":"31\u63d0\u4ea4\u4ea4\u6613\u5230pending\u5217\u8868","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1302","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"13:04","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"32","title":"32\u4ea4\u6613\u7684Broadcast\u5e7f\u64ad","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1303","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"22:12","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"33","title":"33EVM\u8ba1\u7b97gas\u82b1\u8d39","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1304","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"25:46","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"34","title":"34EVM\u6267\u884c\u4ea4\u6613","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1305","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:05","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"35","title":"35EVM\u6267\u884c\u5408\u7ea61","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1306","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"17:06","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"36","title":"36EVM\u4e2d\u7684Stack\u7ed3\u6784","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1307","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:36","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"37","title":"37otto\u4f01\u4e1a\u7ea7\u865a\u62df\u673a","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1308","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"20:12","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"38","title":"38ethdb\u6e90\u7801\u89e3\u67901","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1309","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"24:16","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"39","title":"39ethdb\u6e90\u7801\u89e3\u67902","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1310","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:40","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"40","title":"40\u521b\u5efaP2PServer\u5bf9\u8c61","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1311","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:58","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"41","title":"41\u542f\u52a8P2PServer\u548cService","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1312","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"28:31","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"42","title":"42\u4ee5\u592a\u574a\u8d26\u6237\u5730\u5740\u6e90\u7801","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1314","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:13","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"43","title":"43Kademlia\u7b97\u6cd5\u5f15\u5165","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1315","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"13:16","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"44","title":"44Kad\u7406\u8bba\u7b97\u6cd51","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1316","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"19:50","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"45","title":"45Kad\u7406\u8bba\u7b97\u6cd52","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1317","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:22","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"46","title":"46kad\u8282\u70b9\u5b9a\u4f4d","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1318","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:24","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"47","title":"47Kad\u7b97\u6cd5\u67e5\u627e\u90bb\u5c45\u8282\u70b9","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1319","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:21","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"48","title":"48\u521b\u5efa\u8def\u7531\u8868newTable","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1320","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"25:32","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"49","title":"49Resolve\u53d1\u73b0\u8282\u70b9","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1321","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:03","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"50","title":"50ReadRandomNodes\u6e90\u7801","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1322","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:28","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"51","title":"51Buckets\u6876\u7684\u7ef4\u62a4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1323","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"18:18","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"52","title":"52Peer\u4e0eServer\u7684\u5173\u7cfb","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1324","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"30:41","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"53","title":"53\u4ee5\u592a\u574a\u6e90\u7801RPC\u901a\u4fe1","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1325","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"27:09","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"54","title":"54Node\u8282\u70b9\u542f\u52a8\u6b65\u9aa4","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1327","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:52","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"55","title":"55startWS","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1328","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:24","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"56","title":"56Blockchain","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1329","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:48","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"57","title":"57\u6587\u6863\u7b80\u4ecb","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1330","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:47","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"58","title":"58\u9762\u8bd5\u98981","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1331","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"35:21","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"59","title":"59\u9762\u8bd5\u98982","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1332","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"20:16","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0},{"itemType":"task","number":"60","title":"60\u9762\u8bd5\u98983","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1333","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"23:52","activityEndTime":"","fileStorage":"cloud","isTaskTryLookable":0}]