How should we predict the smoke alarm in the fire?

We are most afraid of be a fire happened in life, especially in the summer is the peak period of the fire, household appliances can fire at any time, if the installation smoke alarm we can escape from the fire, the first time then how should we estimate during the occurrence of fire the fire? Here are the details:
Under the condition that the corridor and corridor are not completely sealed by fire and smoke, you can wrap the quilt and blanket in the body, cover your mouth and nose with a wet towel, and rush out of the trapped area. But if the corridor and corridor have been filled with smoke, the path of escape is different. Fire experts say if you feel that the door is heating up, don´t open the door. A damp cloth should be used to seal the door to prevent the smoke and poisonous gas from escaping. Remember to send out a distress signal by shaking your flashlight and yelling out the window, waiting for help. And the premise condition that adopt window, balcony escape method is fire is not big, did not spread to whole unit house. At this point, escape rope or other safety ropes can escape through a window or balcony.