hasOne(SaasUserOpen::class,"openid","openid"); } public function nick(): HasOne { return $this->hasOne(SystemUser::class,"id","service_id"); } public function orders(): HasOne { return $this->hasOne(SaasOrder::class,"order_sn","order"); } public function good(): HasOne { return $this->hasOne(SaasGoods::class,"product_id","goods"); } }