There is glue on the plug of the charger. Because the glue is a conductive substance, if there is glue on the charger plug, there will be leakage when the power is on, it is dangerous, in order to continue to use the charger, you must first remove the glue on the charger plug before you can continue to use the plug, or remove the glue on the plug, direct power. There's a risk of electrical leakage