成员变化的时候时间更新为空问题处理

src/server/models/sessions/sessions.js

@@ -143,7 +143,7 @@ class Sessions extends RedisModel {
                    business_type: businessType
                };
                //如果会话已经存在的就不需要发送会话成功的消息不更新最后一条消息
                redis.hexistsAsync(sessionKey, session).then(function(res){
                redis.hexistsAsync(sessionKey, sessionId).then(function(res){
                    if(res==0){
                        redis.hmsetAsync(sessionKey, session).then(function () {
                            handler(null, session);
@@ -1063,7 +1063,7 @@ class Sessions extends RedisModel {
                        } else {
                            message.session_id = sessionId;
                            res.forEach(function (participant) {
                                if (participant.id == message.sender_id){
                                if (participant.id == message.sender_id||sessionType==SESSION_TYPES.SYSTEM){
                                    message.sender_img = participant.avatar;
                                    // if(participant.participant_role == PARTICIPANT_ROLES.REGULAR){
                                    //     if (message.content_type == CONTENT_TYPES.PlainText ||
@@ -1288,8 +1288,9 @@ class Sessions extends RedisModel {
                    res =  JSON.parse(res)
                    if (res.status == 200) {
                        let data = res.data;
                        count = JSON.parse(data.imMsgCount).count + data.system.amount + data.healthIndex.amount + data.sign.amount;
                        count = parseInt(JSON.parse(data.imMsgCount).count) + parseInt(data.system.amount) + parseInt(data.healthIndex.amount) + parseInt(data.sign.amount);
                    }
                    console.error("sessionType:"+sessionType+"-->res:"+res)
                    AppClient.sendNotification(targetUserId, message,sessionType,count);
                });
            }