|  | @ -452,7 +452,7 @@ class Sessions extends RedisModel {
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				|  |  |         let participants = new Participants();
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				|  |  |         let sessionKey = RedisModel.makeRedisKey(REDIS_KEYS.Session, sessionId);
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				|  |  |         let messageId = mongoose.Types.ObjectId().toString();
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				|  |  |         message.message_id = messageId;
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				|  |  |         message.id = messageId;
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				|  |  |         // 检查会话中是否存在此成员
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				|  |  |         participants.existsParticipant(sessionId, message.sender_id, function (err, res) {
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				|  |  |             if (err) {
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				|  | @ -499,7 +499,7 @@ class Sessions extends RedisModel {
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				|  |  |         let participants = new Participants();
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				|  |  |         let session_key = RedisModel.makeRedisKey(REDIS_KEYS.Session, sessionId);
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				|  |  |         let messageId = mongoose.Types.ObjectId().toString();
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				|  |  |         message.message_id = messageId;
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				|  |  |         message.id = messageId;
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				|  |  |         let sessionType = 0;
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				|  |  |         let name = "";
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				|  |  |         participants.existsParticipant(sessionId, message.sender_id, function (err, res) {
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