diff --git a/modules/entertainment/xxlPlat.go b/modules/entertainment/xxlPlat.go
index 885b060aa..8cedd2224 100644
--- a/modules/entertainment/xxlPlat.go
+++ b/modules/entertainment/xxlPlat.go
@@ -548,12 +548,12 @@ func (this *MapData) DropGirde() bool {
 			}
 		}
 		if len(mp) < 2 {
-			for {
+			ilen := 2 - len(mp)
+			mp = make(map[int]struct{}, ilen)
+			for i := 0; i < ilen; i++ {
 				n1, _ := rand.Int(rand.Reader, big.NewInt(int64(len(fill))))
 				mp[fill[n1.Int64()]] = struct{}{}
-				if len(mp) >= 2 {
-					break
-				}
+
 			}
 			if this.iType == 3 {
 				sp = 4