编了个刷兵事件，按教程上说带的加强旅都是目前最高级的，但刷出来后却全是最低级的，难道是哪里编错了
下面是其中一段，求大神看看哪里有毛病
event = {
id = 198611130
random = no
country = GER
random = 100
picture = "weserubung"
persistent = yes
name = "开始进行总动员！ "
desc = "我们需要更多的部队 "
style = 0
trigger = { ai = no }
action_a = {
name = "援军！"
command = { type = add_corps which = "一三三军 "value = land where = 300 }
command = { type = add_division which = "212步兵师 " value = infantry when = 4 where = artillery }
command = { type = add_division which = "214步兵师 " value = infantry when = 4 where = artillery }
command = { type = add_division which = "215步兵师 " value = infantry when = 4 where = artillery }