韵达，遭立案调查！

Group 1 - The core issue highlighted is that Yunda Express has significant management deficiencies regarding its franchisees, leading to major security lapses in handling customer packages, which resulted in fraudulent packages entering the delivery system and causing substantial financial losses to victims [1] - The State Post Bureau has initiated an investigation into Shanghai Yunda Freight Co., Ltd. for failing to implement unified safety management protocols as required [1]