优化临时插入用户接口/api/user/Login和抽奖接口/api/game/playStart

server/app/api/controller/UserController.php

@@ -26,9 +26,13 @@ class UserController extends BaseController
      */
     public function Login(Request $request): Response
     {
-        $username = trim((string) ($request->post('username', '')));
-        $password = trim((string) ($request->post('password', '')));
-        $lang = trim((string) ($request->post('lang', 'chs')));
+        $usernameRaw = $request->post('username', '');
+        $passwordRaw = $request->post('password', '');
+        $langRaw = $request->post('lang', 'zh');
+
+        $username = is_string($usernameRaw) ? trim($usernameRaw) : '';
+        $password = is_string($passwordRaw) ? trim($passwordRaw) : '';
+        $lang = is_string($langRaw) ? trim($langRaw) : 'zh';
         $coin = $request->post('coin');
         $coin = $coin !== null && $coin !== '' ? (float) $coin : 0.0;
         $time = $request->post('time');

server/app/api/controller/v1/GameController.php

@@ -58,7 +58,7 @@ class GameController extends BaseController
 
         try {
             $logic = new UserLogic();
-            $result = $logic->loginByUsername($username, $password, $lang === 'en' ? 'en' : 'chs', 0.0, $time, $adminId, $adminIdsInTopDept);
+            $result = $logic->loginByUsername($username, $password, $lang, 0.0, $time, $adminId, $adminIdsInTopDept);
         } catch (\plugin\saiadmin\exception\ApiException $e) {
             return $this->fail($e->getMessage(), ReturnCode::PARAMS_ERROR);
         }

server/app/api/lang/legacy_en.php

@@ -19,6 +19,7 @@ return [
     '账号已被禁用，无法登录' => 'Account is disabled and cannot log in',
     '购买抽奖券错误' => 'Invalid lottery ticket purchase',
     '平台币不足' => 'Insufficient balance',
+    '余额不足' => 'Insufficient balance',
     'direction 必须为 0 或 1' => 'direction must be 0 or 1',
     '当前玩家余额%s小于%s无法继续游戏' => 'Balance %s is less than %s, cannot continue',
     '服务超时，' => 'Service timeout: ',

server/app/api/logic/PlayStartLogic.php

@@ -115,16 +115,29 @@ class PlayStartLogic
             throw new ApiException('Lottery pool config not found (name=default required)');
         }
 
-        // 余额校验：统一校验 ante * min(real_ev)
-        $minEv = DiceRewardConfig::getCachedMinRealEv();
-        $needMinBalance = abs((float) $minEv) * $ante;
-        if ($coin < $needMinBalance) {
-            throw new ApiException('未达抽奖余额 ' . $needMinBalance . '，无法开始游戏');
-        }
-
-        // 付费抽奖：开始前扣除费用 ante * UNIT_COST，不足则提示余额不足
+        // 付费抽奖：开始前扣除费用 ante * UNIT_COST
         $paidAmount = $ticketType === self::LOTTERY_TYPE_PAID ? round($ante * self::UNIT_COST, 2) : 0.0;
-        if ($ticketType === self::LOTTERY_TYPE_PAID && $coin < $paidAmount) {
+
+        // 游玩前余额校验（按 T4 惩罚最大值兜底）：
+        // 门槛 = paidAmount(压注*1) + abs(T4最小real_ev)*ante
+        $t4List = DiceRewardConfig::getCachedByTier('T4');
+        $t4MinRealEv = null;
+        foreach ($t4List as $row) {
+            $ev = $row['real_ev'] ?? null;
+            if ($ev === null || $ev === '') {
+                continue;
+            }
+            $evFloat = filter_var($ev, FILTER_VALIDATE_FLOAT);
+            if ($evFloat === false) {
+                continue;
+            }
+            if ($t4MinRealEv === null || $evFloat < $t4MinRealEv) {
+                $t4MinRealEv = $evFloat;
+            }
+        }
+        $t4PenaltyAbs = $t4MinRealEv === null ? 0.0 : abs($t4MinRealEv) * $ante;
+        $needMinBalance = round($paidAmount + $t4PenaltyAbs, 2);
+        if ($coin < $needMinBalance) {
             throw new ApiException('余额不足');
         }
 
@@ -303,6 +316,10 @@ class PlayStartLogic
                 $coinBefore = (float) $p->coin;
                 // 开始前先扣付费金额，再加中奖金额（免费抽奖 paid_amount=0）
                 $coinAfter = round($coinBefore - $paidAmount + $winCoin, 2);
+                // T4 惩罚兜底：扣完购券费用后若余额不足以承受本次惩罚（导致为负），统一按“余额不足”提示
+                if ($rewardTier === 'T4' && $coinAfter < 0) {
+                    throw new ApiException('余额不足');
+                }
                 $p->coin = $coinAfter;
                 // 免费抽奖消耗：优先消耗 free_ticket.count，耗尽则清空 free_ticket；否则兼容旧 free_ticket_count
                 if ($ticketType === self::LOTTERY_TYPE_FREE) {

server/app/api/logic/UserLogic.php

@@ -174,7 +174,10 @@ class UserLogic
         UserCache::setPlayerByUsername($username, $userArr);
 
         $baseUrl = rtrim(config('api.login_url_base', 'https://127.0.0.1:6777'), '/');
-        $lang = in_array($lang, ['chs', 'en'], true) ? $lang : 'chs';
+        $lang = strtolower(trim($lang));
+        if ($lang !== 'en') {
+            $lang = 'zh';
+        }
         $tokenInUrl = str_replace('%3D', '=', urlencode($token));
         $url = $baseUrl . '?token=' . $tokenInUrl . '&lang=' . $lang;