diff --git a/app/Http/Controllers/ChatController.php b/app/Http/Controllers/ChatController.php
index ff7597c..d0f3cee 100644
--- a/app/Http/Controllers/ChatController.php
+++ b/app/Http/Controllers/ChatController.php
@@ -149,10 +149,18 @@ class ChatController extends Controller
             return response()->json(['status' => 'error'], 401);
         }
 
-        // 1. 每次心跳增加经验（可在 sysparam 后台配置），VIP 倍率加成
-        $expGain = (int) Sysparam::getValue('exp_per_heartbeat', '1');
-        $expMultiplier = $this->vipService->getExpMultiplier($user);
-        $user->exp_num += (int) round($expGain * $expMultiplier);
+        // 1. 心跳经验：通过 Redis 限制最小间隔（默认30秒），防止频繁点击刷经验
+        $expCooldownKey = "heartbeat_exp:{$user->id}";
+        $canGainExp = ! Redis::exists($expCooldownKey);
+
+        if ($canGainExp) {
+            $expGain = (int) Sysparam::getValue('exp_per_heartbeat', '1');
+            $expMultiplier = $this->vipService->getExpMultiplier($user);
+            $user->exp_num += (int) round($expGain * $expMultiplier);
+
+            // 设置冷却（30秒内不再给经验）
+            Redis::setex($expCooldownKey, 30, 1);
+        }
 
         // 2. 使用 sysparam 表中可配置的等级-经验阈值计算等级
         // 管理员（superlevel 及以上）不参与自动升降级，等级由后台手动设置