Merge branch 'feature-refactor' of yeshijie/im.doctor into feature-refactor

src/server/models/messages/messages.js

@@ -213,7 +213,7 @@ class Messages extends RedisModel {
        let messagesByTimestampKey = this.makeRedisKey(REDIS_KEYS.MessagesByTimestamp, sessionId);
        redis.zcardAsync(messagesByTimestampKey).then(function (count) {
            if (count > maxMessageCacheCount) {
                redis.zrevrangeAsync(messagesByTimestampKey, 0, count - maxMessageCacheCount).then(function (idList) {
                redis.zrevrangeAsync(messagesByTimestampKey, maxMessageCacheCount, count - maxMessageCacheCount).then(function (idList) {
                    redis.zremAsync(messagesByTimestampKey, idList).then(function (res) {
                        redis.hdel(messageById, idList);
                    })