請各位大大下個指導吧

Village Headquarters (Level 10)
Barracks (Level 5)
Stable (Level 2)
Smithy (Level 5)
Rally point (Level 1)
Market (Level 4)
Timber camp (Level 20)
Clay pit (Level 20)
Iron mine (Level 18)
Farm (Level 12)
Warehouse (Level 15)
Hiding place (Level 4)
Wall (Level 5)

100 Spear fighters
50 Swordsmen
30 Scout

上面是我的狀況
兵分兩組輪流去牧羊
我現在要升級什麼好?