diff --git a/src/server/game/mod/playroom/playroom.go b/src/server/game/mod/playroom/playroom.go
index e074a796..1d022700 100644
--- a/src/server/game/mod/playroom/playroom.go
+++ b/src/server/game/mod/playroom/playroom.go
@@ -453,6 +453,9 @@ func (p *PlayroomMod) AddChip(uid int, time int64, emoji int) {
 func (p *PlayroomMod) SetTarget(target int) {
 	p.Target = target
 	p.Status = STATUS_VISIT
+	if p.HasVisit == nil {
+		p.HasVisit = make(map[int]int64)
+	}
 	p.HasVisit[target] = GoUtil.Now()
 }