jim web sdk 获取会话列表，缺少消息内容字段

tlw 2018-07-10 09:46 923 0

jim web sdk getConversation() 获取会话列表，
缺少消息内容字段,求解

{"code":0,"rid":1031838210,"message":"success","conversations":[{"name":"test_bmsh_278","username":"test_bmsh_278","appkey":"8c2b3e349a5b331a51a8f8f4","type":3,"key":"151956307","utime":"2018-07-10 15:36:12","mtime":1531215068842,"avatar":"","nickName":"test_bmsh_278"}]}