update 桩端连接相关内容，解决频繁登录

jsowell-framework/src/main/java/com/jsowell/framework/config/ThreadPoolConfig.java

@@ -27,8 +27,8 @@ public class ThreadPoolConfig {
 	// 最大可创建的线程数
 	private final int maxPoolSize = 128; // 突发时翻倍，避免过多上下文切换
 
-	// 队列最大长度
-	private final int queueCapacity = 2000; // 桩消息短时堆积时提供缓冲，防止直接拒绝
+	// 队列最大长度 (优化：增大队列容量以应对桩端消息高峰)
+	private final int queueCapacity = 5000; // 桩消息短时堆积时提供缓冲，防止直接拒绝
 
 	// 线程池维护线程所允许的空闲时间
 	private final int keepAliveSeconds = 120; // 突发结束后快速回收扩展线程
@@ -51,6 +51,7 @@ public class ThreadPoolConfig {
 
 	/**
 	 * 线程池
+	 * 优化：使用 DiscardOldestPolicy 避免阻塞调用者线程（如 Netty IO 线程）
 	 */
 	@Bean(name = "threadPoolTaskExecutor")
 	public ThreadPoolTaskExecutor threadPoolTaskExecutor() {
@@ -60,7 +61,8 @@ public class ThreadPoolConfig {
 		executor.setQueueCapacity(queueCapacity);
 		executor.setKeepAliveSeconds(keepAliveSeconds);
 		// 线程池对拒绝任务(无线程可用)的处理策略
-		executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
+		// 优化：DiscardOldestPolicy 丢弃最老的任务，避免阻塞调用者线程
+		executor.setRejectedExecutionHandler(new ThreadPoolExecutor.DiscardOldestPolicy());
 		executor.setThreadNamePrefix(threadNamePrefix);
 		executor.setWaitForTasksToCompleteOnShutdown(true);
 		// log.info("threadPoolTaskExecutor创建成功");