C604 Forbidden Fruit
Dorothea deliberately used the non-fatal virus. It was actually a logical trap.
Whether it was to tell the other party his name and purpose, or to let him find out the invulnerability of the "Gray Hand" virus, or to just tell him "I didn't find anything," and to need his help to come back in the future, these were all preparations to make Chang Xiyi relax his vigilance