fix

main.js

@@ -486,9 +486,13 @@ let endUserPermit = function(query, res) {
     let username = query.username;
     let password = query.password;
     let arena = query.arena;
-    const pool = pendingPlayerPool;
-    if (pool.has(username)) {
-        let info =  pool.get(username);
+    let info = null;
+    if (pendingPlayerPool.has(username)) {
+        info = pendingPlayerPool.get(username);
+    } else if (playingPlayerPool.has(username)) {
+        info = playingPlayerPool.get(username);
+    }
+    if (info) {
         if (password == info.password) {
             // There is a bug. Should check if server is an array.
             // But since now we have only one server for each arena..