diff --git a/src/main/java/com/github/jie65535/opencommand/OpenCommandHandler.java b/src/main/java/com/github/jie65535/opencommand/OpenCommandHandler.java
index 5288363..3176ba9 100644
--- a/src/main/java/com/github/jie65535/opencommand/OpenCommandHandler.java
+++ b/src/main/java/com/github/jie65535/opencommand/OpenCommandHandler.java
@@ -58,7 +58,7 @@ public final class OpenCommandHandler implements Router {
 
             var req = context.bodyAsClass(JsonRequest.class);
             if (req.action.equals("sendCode")) {
-                int playerId = (int) req.data;
+                int playerId = Integer.parseInt(req.data.toString());
                 var player = plugin.getServer().getPlayerByUid(playerId);
                 if (player == null) {
                     context.json(new JsonResponse(404, "Player Not Found."));
diff --git a/src/main/java/com/github/jie65535/opencommand/OpenCommandOnlyHttpHandler.java b/src/main/java/com/github/jie65535/opencommand/OpenCommandOnlyHttpHandler.java
index 8080927..c31f858 100644
--- a/src/main/java/com/github/jie65535/opencommand/OpenCommandOnlyHttpHandler.java
+++ b/src/main/java/com/github/jie65535/opencommand/OpenCommandOnlyHttpHandler.java
@@ -61,7 +61,7 @@ public final class OpenCommandOnlyHttpHandler implements Router {
 
             var req = context.bodyAsClass(JsonRequest.class);
             if (req.action.equals("sendCode")) {
-                int playerId = (int) req.data;
+                int playerId = Integer.parseInt(req.data.toString());
                 var player = SocketData.getPlayer(playerId);
                 if (player == null) {
                     context.json(new JsonResponse(404, "Player Not Found."));