tls doen't working

[nuwanarti]

when i'm enable tls and point my crt file socketman can't get anycommands from the mqtt server and post nothing my config file is
{
"username": "mosquitto",
"password": "mosquitto",
"topic": "mytopic",
"key": "mykey",
"mac": "",
"mqtt_host": "amazonaws.com",
"token": "mytoken",
"port": 1883,
"monitor": 30,
"sleep": 60,
"tls": true,
"rest": 1,
"debug": true,
"no-cache": 1,
"scan": 1,
"survey": 0,
"api_url": ".amazonaws.com:3000",
"stats_url": ".amazonaws.com:3000/stats/",
"cacrt": "/root/keys/m2mqtt_srv.crt",
}