'integer', 'amount' => 'string', 'balance_before' => 'string', 'balance_after' => 'string', ]; public function admin(): \think\model\relation\BelongsTo { return $this->belongsTo(\app\admin\model\Admin::class, 'admin_id', 'id'); } public function channel(): \think\model\relation\BelongsTo { return $this->belongsTo(Channel::class, 'channel_id', 'id'); } public function operatorAdmin(): \think\model\relation\BelongsTo { return $this->belongsTo(\app\admin\model\Admin::class, 'operator_admin_id', 'id'); } }