1.4tea11quick leakage antifreeze

This has nothing to do with changing the thermostat. Check whether the engine foot is seriously aged and worn, then clean the throttle and try again. Generally speaking, it is better to clean the throttle valve every one or two maintenance cycles. It must be initialized after removal and cleaning. You can also consider cleaning the car when you find that the idle speed is unstable, high or low, shaking, low-speed flameout, and poor refueling.