Turn on and set light option

I have v2 of the Yeelight LED Bulb(Color), I have downlights that turn to warm white on a specified time. I wanted my 2 bulb to do the same but there is no “warm white” unlike the downlights who have in their options. I just choose the Turn on and set light option on the bottom most part and set it to my favourite color which is warm white. But each time it runs, my bulbs would boom up a 100% brightness white in like millisecond then turn to warm white, it’s like it “turned on” again while it is on. Any workaround on what can be done?