官网文档：https://pay.weixin.qq.com/wiki/doc/api/wxpay/ch/fusion_wallet_ch/H5Payment/chapter8_8.shtml

正常返回结果如官方示例

但是有时存在另外一种不一样数据返回，如下：

ChiH4D9GllQnIBoNTTQ9kJQyFIB0cV0YJfH3w8muE/iNQo/zrZBGxZR+WHPs5wGQy7bHxbULP84hg7rI8UdKyZGuTkyFoGlEfkWtyN/rKceyX1/qA+1UH4uf9YLgJbZ6AmYPLKOo8WQ7IR72bKp3PFPdsEhocI5dmS+rvXRE39s1e25gdJQGML64Sz6ABEhr4GsgSFGN+uxS+9b7Yyjk=","associated_data":"transaction","nonce":"KrbfeKVo42Wy"}}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

想了解上述如何造成？