diff --git a/codes/go/chapter_stack_and_queue/array_deque.go b/codes/go/chapter_stack_and_queue/array_deque.go
index 85d98aca5..37b436f2b 100644
--- a/codes/go/chapter_stack_and_queue/array_deque.go
+++ b/codes/go/chapter_stack_and_queue/array_deque.go
@@ -72,6 +72,9 @@ func (q *arrayDeque) pushLast(num int) {
 /* 队首出队 */
 func (q *arrayDeque) popFirst() any {
 	num := q.peekFirst()
+	if num == nil {
+		return nil
+	}
 	// 队首指针向后移动一位
 	q.front = q.index(q.front + 1)
 	q.queSize--
@@ -81,6 +84,9 @@ func (q *arrayDeque) popFirst() any {
 /* 队尾出队 */
 func (q *arrayDeque) popLast() any {
 	num := q.peekLast()
+	if num == nil {
+		return nil
+	}
 	q.queSize--
 	return num
 }