diff --git a/types/api/OfflinePlayer.d.ts b/types/api/OfflinePlayer.d.ts
index 3b3acb7..e1cf131 100644
--- a/types/api/OfflinePlayer.d.ts
+++ b/types/api/OfflinePlayer.d.ts
@@ -1,6 +1,8 @@
 /// <reference path="../index.d.ts"/>
 
 declare interface OfflinePlayer {
+    toString(): string | "OfflinePlayer";
+
     /**
      * Returns the name of this player
      * 返回玩家的名字