5v 4 relay channel not working

I just bought a 4 channel relay module . I am using node mcu as the micro controller and breadboard power supply as the power supply of 4 channel relay . I have connected all the wires and the led on the relay board light up but the relay does not work ( I have conncted an AC 220V bulb and when i turn the relay on ,its led turns on but the bulb does not glow which means the relay does nt work.How to solve it

Are you sure it's a 5V module? Can you post a link to the product page? Can you hear the relay clicking? Can you post a wiring diagram?

I cannot hear the relay clicking but the leds turn on

Are you sure it's a 5V relay module? Can you post a link to the page where you bought the relay module? Can you post a wiring diagram? Can you post your program?
http://forum.arduino.cc/index.php?topic=149014.0

power pins to the relay (Vcc/Gnd) MUST be from external supply