面积数字是"0"????

lyh13

(setq pt (getpoint "\n选取点："))

               (command "area" "o" en)
               (setq aa (getvar "area"))

(setq bb (rtos aa 2 1))

(command "text" "s" "宋体"  "j" "mc" pt 3 0 bb "")

不知道 写在图面上就是"0"????