Cheng Ye was away on a business trip for half a month, yet his private charging pile consumed 4200 kWh of abnormal electricity. Facing the neighbor's evasion and the abuse of property management permissions, he calmly gathered evidence through the electric meter, surveillance, and platform records. From borrowing electricity from nine wedding cars to hidden wiring and underground battery operations, the truth was gradually uncovered. Ultimately, the related hazards were dealt with according to the law, and Cheng Ye defended his rights. The premise of neighborhood mutual aid is respecting boundaries and obtaining consent in advance.