diff --git a/src/main/kotlin/game/PlayerStatistics.kt b/src/main/kotlin/game/PlayerStatistics.kt
index 64c2223..f1d19ba 100644
--- a/src/main/kotlin/game/PlayerStatistics.kt
+++ b/src/main/kotlin/game/PlayerStatistics.kt
@@ -1,5 +1,7 @@
 package top.jie65535.jhr.game
+import kotlinx.serialization.Serializable
 
+@Serializable
 class PlayerStatistics {
     var betCount = 0
     var winCount = 0