On 4 May 950, Guo was promoted to military governor of Tianxiong Command () and delegated to garrison at Weizhou (魏州; modern Linzhang County, Hebei) at the Later Han-Liao dynasty border to prevent a possible Liao incursion.
On May 4th, 950, Guo was elevated to military governor of Tianxiong Command and tasked with defending Weizhou (魏州; modern Linzhang County, Hebei) against potential Liao attacks at the border between the Later Han-Liao dynasty.