diff --git a/assets/Script/network/NetManager.ts b/assets/Script/network/NetManager.ts
index d8fb44a..da4f9c4 100644
--- a/assets/Script/network/NetManager.ts
+++ b/assets/Script/network/NetManager.ts
@@ -45,13 +45,23 @@ export class NetManager {
         return false;
     }
 
-    public request(buf: NetData, rspCmd: number, rspObject: CallbackObject, showTips: boolean = true, force: boolean = false, channelId: number) {
+    // 发起请求，并在在结果返回时调用指定好的回调函数
+    public request(buf: NetData, rspCmd: number, rspObject: CallbackObject, showTips: boolean = true, force: boolean = false, channelId: number = 0) {
         let node = this._channels[channelId];
         if(node) {
             node.request(buf, rspCmd, rspObject, showTips, force);
         }
     }
 
+    // 同request，但在request之前会先判断队列中是否已有rspCmd，如有重复的则直接返回
+    public requestUnique(buf: NetData, rspCmd: number, rspObject: CallbackObject, showTips: boolean = true, force: boolean = false, channelId: number = 0): boolean {
+        let node = this._channels[channelId];
+        if(node) {
+            return node.requestUnique(buf, rspCmd, rspObject, showTips, force);
+        }
+        return false;
+    }
+
     // 调用Node关闭
     public close(code?: number, reason?: string, channelId: number = 0) {
         if (this._channels[channelId]) {
diff --git a/assets/Script/network/NetNode.ts b/assets/Script/network/NetNode.ts
index 39cce58..e7fd1af 100644
--- a/assets/Script/network/NetNode.ts
+++ b/assets/Script/network/NetNode.ts
@@ -55,6 +55,7 @@ export class NetNode {
     protected _receiveTime: number = 6000000;                               // 多久没收到数据断开
     protected _reconnetTimeOut: number = 8000000;                           // 重连间隔
     protected _requests: RequestObject[] = Array<RequestObject>();          // 请求列表
+    protected _
     protected _listener: { [key: number]: CallbackObject[] } = {}           // 监听者列表
 
     /********************** 网络相关处理 *********************/
@@ -257,7 +258,7 @@ export class NetNode {
         }
     }
 
-    // 发起请求，并进入缓存列表，
+    // 发起请求，并进入缓存列表
     public request(buf: NetData, rspCmd: number, rspObject: CallbackObject, showTips: boolean = true, force: boolean = false) {
         if (this._state == NetNodeState.Working || force) {
             this._socket.send(buf);
@@ -273,6 +274,18 @@ export class NetNode {
         }
     }
 
+    // 唯一request，确保没有同一响应的请求（避免一个请求重复发送，netTips界面的屏蔽也是一个好的方法）
+    public requestUnique(buf: NetData, rspCmd: number, rspObject: CallbackObject, showTips: boolean = true, force: boolean = false):boolean {
+        for (let i = 0; i < this._requests.length; ++i) {
+            if (this._requests[i].rspCmd == rspCmd) {
+                console.log(`NetNode requestUnique faile for ${rspCmd}`);
+                return false;
+            }
+        }
+        this.request(buf, rspCmd, rspObject, showTips, force);
+        return true;
+    }
+
     /********************** 回调相关处理 *********************/
     public setResponeHandler(cmd: number, callback: NetCallFunc, target?: any): boolean {
         if (callback == null) {
@@ -309,6 +322,14 @@ export class NetNode {
         }
     }
 
+    public cleanListeners(cmd: number = -1) {
+        if (cmd == -1) {
+            this._listener = {}
+        } else {
+            this._listener[cmd] = null;
+        }
+    }
+
     protected getNetListenersIndex(cmd: number, rspObject: CallbackObject): number {
         let index = -1;
         for (let i = 0; i < this._listener[cmd].length; i++) {