diff --git a/packages/network-client/src/core/NetworkClient.ts b/packages/network-client/src/core/NetworkClient.ts
index 91b953b5..7d9d5bb4 100644
--- a/packages/network-client/src/core/NetworkClient.ts
+++ b/packages/network-client/src/core/NetworkClient.ts
@@ -33,6 +33,11 @@ export interface NetworkClientConfig {
         enableCompression: boolean;
         enableMessageQueue: boolean;
     };
+    messageQueue?: {
+        maxSize: number;
+        flushOnAuthentication: boolean;
+        processInterval: number;
+    };
     authentication: {
         autoAuthenticate: boolean;
         credentials?: Record<string, any>;
@@ -135,6 +140,12 @@ export class NetworkClient extends EventEmitter {
                 enableMessageQueue: true,
                 ...config.features
             },
+            messageQueue: {
+                maxSize: 100,
+                flushOnAuthentication: true,
+                processInterval: 1000,
+                ...config.messageQueue
+            },
             authentication: {
                 autoAuthenticate: true,
                 ...config.authentication
@@ -270,21 +281,67 @@ export class NetworkClient extends EventEmitter {
      * 发送消息
      */
     send<T extends INetworkMessage>(message: T): boolean {
-        if (!this.transport || this.state !== ClientState.Connected && this.state !== ClientState.Authenticated) {
-            if (this.config.features.enableMessageQueue) {
-                this.queueMessage(message);
-                return true;
-            } else {
-                this.logger.warn('客户端未连接，无法发送消息');
+        // 验证消息基本格式
+        if (!this.validateMessage(message)) {
+            this.logger.warn('消息格式无效，发送失败');
+            this.stats.messages.errors++;
+            return false;
+        }
+
+        // 根据状态决定发送策略
+        switch (this.state) {
+            case ClientState.Authenticated:
+                // 已认证，直接发送
+                return this.sendImmediate(message);
+                
+            case ClientState.Connected:
+            case ClientState.Connecting:
+                // 已连接但未认证，缓存消息
+                if (this.config.features.enableMessageQueue) {
+                    this.queueMessage(message);
+                    this.logger.debug('消息已缓存，等待认证完成');
+                    return true;
+                } else {
+                    this.logger.warn('未启用消息队列，消息被丢弃');
+                    return false;
+                }
+                
+            case ClientState.Reconnecting:
+                // 重连中，缓存消息
+                if (this.config.features.enableMessageQueue) {
+                    this.queueMessage(message);
+                    this.logger.debug('重连中，消息已缓存');
+                    return true;
+                } else {
+                    this.logger.warn('重连中且未启用消息队列，消息被丢弃');
+                    return false;
+                }
+                
+            default:
+                this.logger.warn(`客户端状态 ${this.state}，无法发送消息`);
                 return false;
-            }
+        }
+    }
+
+    /**
+     * 立即发送消息（不进行状态检查）
+     */
+    private sendImmediate<T extends INetworkMessage>(message: T): boolean {
+        if (!this.transport) {
+            this.logger.error('传输层未初始化');
+            return false;
         }
 
         try {
             const serializedMessage = this.serializer.serialize(message);
-            this.transport.send(serializedMessage.data);
+            // 确保发送的数据类型正确
+            const dataToSend = typeof serializedMessage.data === 'string' 
+                ? serializedMessage.data 
+                : serializedMessage.data.toString();
+            this.transport.send(dataToSend);
 
             this.stats.messages.sent++;
+            this.logger.debug(`消息发送成功: ${message.type}`);
             return true;
 
         } catch (error) {
@@ -295,6 +352,46 @@ export class NetworkClient extends EventEmitter {
         }
     }
 
+    /**
+     * 验证消息格式
+     */
+    private validateMessage<T extends INetworkMessage>(message: T): boolean {
+        if (!message) {
+            return false;
+        }
+        
+        if (!message.messageId) {
+            this.logger.warn('消息缺少messageId');
+            return false;
+        }
+        
+        if (!message.type) {
+            this.logger.warn('消息缺少type');
+            return false;
+        }
+        
+        if (!message.timestamp) {
+            this.logger.warn('消息缺少timestamp');
+            return false;
+        }
+        
+        // 对于游戏消息，验证senderId
+        if (message.type === MessageType.GAME_EVENT) {
+            if (!message.senderId) {
+                this.logger.warn('游戏消息缺少senderId');
+                return false;
+            }
+            
+            // 检查senderId是否与当前clientId一致
+            if (this.clientId && message.senderId !== this.clientId) {
+                this.logger.warn(`消息发送者ID不匹配: 期望 ${this.clientId}, 实际 ${message.senderId}`);
+                return false;
+            }
+        }
+        
+        return true;
+    }
+
     /**
      * 获取客户端状态
      */
@@ -412,9 +509,42 @@ export class NetworkClient extends EventEmitter {
         this.stats.state = newState;
 
         this.logger.debug(`客户端状态变化: ${oldState} -> ${newState}`);
+        
+        // 状态变更的副作用处理
+        this.handleStateTransition(oldState, newState);
+        
         this.eventHandlers.stateChanged?.(oldState, newState);
     }
 
+    /**
+     * 处理状态转换的副作用
+     */
+    private handleStateTransition(oldState: ClientState, newState: ClientState): void {
+        switch (newState) {
+            case ClientState.Authenticated:
+                // 认证成功后自动处理消息队列
+                if (oldState !== ClientState.Authenticated) {
+                    this.logger.info('认证完成，处理缓存消息队列');
+                    this.processMessageQueue();
+                }
+                break;
+                
+            case ClientState.Disconnected:
+                // 断开连接时清理资源
+                if (this.config.features.enableMessageQueue && this.messageQueue.length > 0) {
+                    this.logger.info(`连接断开，清理 ${this.messageQueue.length} 条缓存消息`);
+                    this.clearMessageQueue();
+                }
+                this.clientId = undefined;
+                break;
+                
+            case ClientState.Connecting:
+                // 连接开始时重置统计
+                this.stats.connectionTime = Date.now();
+                break;
+        }
+    }
+
     /**
      * 设置事件处理器
      */
@@ -637,10 +767,18 @@ export class NetworkClient extends EventEmitter {
      * 将消息加入队列
      */
     private queueMessage(message: INetworkMessage): void {
+        // 检查队列大小限制
+        const maxSize = this.config.messageQueue?.maxSize || 100;
+        if (this.messageQueue.length >= maxSize) {
+            // 移除最旧的消息
+            const removed = this.messageQueue.shift();
+            this.logger.warn(`消息队列已满 (${maxSize})，移除最旧消息:`, removed?.type);
+        }
+        
         this.messageQueue.push(message);
         this.stats.messages.queued = this.messageQueue.length;
         
-        this.logger.debug(`消息已加入队列，当前队列长度: ${this.messageQueue.length}`);
+        this.logger.debug(`消息已加入队列，当前队列长度: ${this.messageQueue.length}/${maxSize}`);
     }
 
     /**
@@ -651,20 +789,43 @@ export class NetworkClient extends EventEmitter {
             return;
         }
 
+        if (this.state !== ClientState.Authenticated) {
+            this.logger.debug('未认证，跳过消息队列处理');
+            return;
+        }
+
         this.isProcessingQueue = true;
+        const startQueueSize = this.messageQueue.length;
+        
+        this.logger.info(`开始处理消息队列，共 ${startQueueSize} 条消息`);
         
         try {
-            while (this.messageQueue.length > 0 && this.isConnected()) {
+            let processedCount = 0;
+            let failedCount = 0;
+            
+            while (this.messageQueue.length > 0 && this.state === ClientState.Authenticated) {
                 const message = this.messageQueue.shift()!;
                 
-                if (this.send(message)) {
-                    this.logger.debug(`队列消息发送成功，剩余: ${this.messageQueue.length}`);
+                // 使用sendImmediate避免递归调用
+                if (this.sendImmediate(message)) {
+                    processedCount++;
+                    this.logger.debug(`队列消息发送成功 [${processedCount}/${startQueueSize}]`);
                 } else {
+                    failedCount++;
                     // 发送失败，重新加入队列头部
                     this.messageQueue.unshift(message);
+                    this.logger.warn(`队列消息发送失败，剩余: ${this.messageQueue.length}`);
                     break;
                 }
+                
+                // 避免阻塞，每处理一定数量消息后暂停
+                if (processedCount % 10 === 0) {
+                    await new Promise(resolve => setTimeout(resolve, 1));
+                }
             }
+            
+            this.logger.info(`消息队列处理完成: 成功 ${processedCount}, 失败 ${failedCount}, 剩余 ${this.messageQueue.length}`);
+            
         } finally {
             this.isProcessingQueue = false;
             this.stats.messages.queued = this.messageQueue.length;
@@ -695,4 +856,46 @@ export class NetworkClient extends EventEmitter {
     public getHeartbeatStats() {
         return this.heartbeatManager.getStats();
     }
+
+    /**
+     * 检查客户端是否已认证并可以发送消息
+     */
+    public isReady(): boolean {
+        return this.state === ClientState.Authenticated && !!this.clientId;
+    }
+
+    /**
+     * 获取消息队列状态
+     */
+    public getQueueStatus(): { length: number; isProcessing: boolean } {
+        return {
+            length: this.messageQueue.length,
+            isProcessing: this.isProcessingQueue
+        };
+    }
+
+    /**
+     * 手动触发消息队列处理（调试用）
+     */
+    public flushMessageQueue(): void {
+        if (this.state === ClientState.Authenticated) {
+            this.processMessageQueue();
+        } else {
+            this.logger.warn('客户端未认证，无法处理消息队列');
+        }
+    }
+
+    /**
+     * 设置消息队列最大大小
+     */
+    public setMaxQueueSize(size: number): void {
+        if (size > 0) {
+            // 如果新大小比当前队列小，截取队列
+            if (size < this.messageQueue.length) {
+                const removed = this.messageQueue.length - size;
+                this.messageQueue.splice(0, removed);
+                this.logger.info(`消息队列大小调整为 ${size}，移除了 ${removed} 条最旧消息`);
+            }
+        }
+    }
 }
\ No newline at end of file
diff --git a/packages/network-server/src/core/NetworkServer.ts b/packages/network-server/src/core/NetworkServer.ts
index fc28d094..253e5db7 100644
--- a/packages/network-server/src/core/NetworkServer.ts
+++ b/packages/network-server/src/core/NetworkServer.ts
@@ -531,7 +531,7 @@ export class NetworkServer extends EventEmitter {
             // 反序列化消息
             const deserializationResult = this.serializer.deserialize<INetworkMessage>(data);
             if (!deserializationResult.isValid) {
-                this.logger.warn(`消息反序列化失败: ${deserializationResult.errors?.join(', ')}`);
+                this.logger.debug(`消息反序列化失败 (${clientId}): ${deserializationResult.errors?.join(', ')}`);
                 this.stats.messages.errors++;
                 return;
             }
diff --git a/packages/network-server/src/transport/WebSocketTransport.ts b/packages/network-server/src/transport/WebSocketTransport.ts
index b9a622a2..5aff3c78 100644
--- a/packages/network-server/src/transport/WebSocketTransport.ts
+++ b/packages/network-server/src/transport/WebSocketTransport.ts
@@ -327,6 +327,12 @@ export class WebSocketTransport extends EventEmitter implements ITransport {
      */
     private handleClientMessage(clientId: string, data: WebSocket.Data): void {
         try {
+            // 检查是否为有效的应用消息
+            if (!this.isApplicationMessage(data)) {
+                this.logger.debug(`忽略非应用消息 (${clientId}): ${typeof data} ${data instanceof ArrayBuffer ? data.byteLength : data.toString().length} bytes`);
+                return;
+            }
+            
             const message = data instanceof ArrayBuffer ? data : new TextEncoder().encode(data.toString()).buffer;
             
             // 触发消息事件
@@ -344,6 +350,35 @@ export class WebSocketTransport extends EventEmitter implements ITransport {
         }
     }
 
+    /**
+     * 检查是否为有效的应用消息
+     */
+    private isApplicationMessage(data: WebSocket.Data): boolean {
+        try {
+            // 转换为字符串进行检查
+            const jsonString = data instanceof ArrayBuffer 
+                ? new TextDecoder().decode(data) 
+                : data.toString();
+            
+            // 基本长度检查 - 空消息或过短消息通常不是应用消息
+            if (!jsonString || jsonString.length < 10) {
+                return false;
+            }
+            
+            // 尝试解析JSON
+            const parsed = JSON.parse(jsonString);
+            
+            // 检查是否有基本的消息结构
+            return parsed && 
+                   typeof parsed === 'object' && 
+                   (parsed.type || parsed.messageId || parsed.data);
+                   
+        } catch (error) {
+            // JSON解析失败，可能是握手数据或其他非JSON消息
+            return false;
+        }
+    }
+
     /**
      * 处理客户端断开连接
      */