After just changing, emerald tree will not start to grow directly. It will take a while to adapt to the new soil. In this period of time, its growth rate will be very slow, and the speed of absorbing nutrients and water from the soil will also be reduced. So it may be because of water, nutrient supply shortage, appear wilt problem.
After the basin is replaced, it needs to be placed in an environment without strong light, around 20 ℃. Stop fertilizing temporarily and don't water too much. Unless the soil is very dry, you don't need to water it. Just spray some water around it. This can prevent it from being flooded because it cannot absorb water in time. About 7 days later, it will be able to grow again.
If it is placed in a suitable environment, and it does not recover within 10-15 days, it may be because of the damage to its roots in the process of basin change. At this time, it should be taken out of the soil, cut rotten roots, sterilized and replanted back into the soil, slowly curing