1. Adjust the amount of water: Adding the right amount of water can make the rice more moist. Depending on the model of the rice cooker and the variety of rice, add some water in the right amount. You can try to add more than half a cup to a cup of water to see if it improves the texture of the rice.
2. Adjust the cooking time: If the rice is overcooked and dry, it may be the result of cooking for too long. Try reducing the cooking time or turning off the power quickly after the rice is cooked to prevent it from drying out as it continues to steam.
3. Soak the rice: Before cooking, soak the rice for some time to allow the grains to absorb water more fully. Usually, soaking for 20 to 30 minutes will make the rice softer and moister.
4. Use the keep-warm function: If your rice cooker has a keep-warm function, you can turn it on as soon as the cooking is finished, which will reduce the time of continuing to steam and prevent the rice from drying out too much.
5. Mix the rice: If the rice has been cooked dry, you can try mixing some moderate amount of hot water or steam to add moisture. Mix gently so that the moisture is evenly distributed in the rice.
These methods can help you adjust the cooking process of your rice cooker to make the rice more moist. Keep in mind that the characteristics and operation of each rice cooker may vary, and you can also refer to your rice cooker's instruction manual or contact the manufacturer for more accurate recommendations on how to use it.