diff --git a/applications/cfg.ini b/applications/cfg.ini
index 8493fdf..b652ccd 100644
--- a/applications/cfg.ini
+++ b/applications/cfg.ini
@@ -14,7 +14,8 @@ maxTTRetryCnt=3
 minTTsinal=3
 # TT状态检测周期数
 minTTPeriCnt=2
-compressType=1
+# 压缩方式，0-不压缩
+compressType=0
 # 加密方式，0-不加密
 encrytType=1
 # 开窗时间（UTC+8）,持续时间（H）。以【,】为分隔符
diff --git a/applications/core.c b/applications/core.c
index bf70f8b..b14e78b 100644
--- a/applications/core.c
+++ b/applications/core.c
@@ -315,7 +315,7 @@ static void chkAndSendFile_thread_entry()
                 {
                     LOG_W("第%d次尝试中TT准备失败，重试。", var + 1);
                     deInitTT();
-                    rt_thread_mdelay(1000);
+                    rt_thread_mdelay(15000);
                     initTT();
                 }
                 else {
@@ -404,7 +404,7 @@ static void timeoutFunc(void *parameter)
 void initTT_thread_entry()
 {
     pwTT_thread_entry("1");
-
+    rt_thread_mdelay(15000);//wait TT to boot up
     while (1)
     {
         if (!isTTon()) {
@@ -444,6 +444,9 @@ void initTT_thread_entry()
     }
 
     initThread=RT_NULL;
+
+//    list_thread();
+//    cmd_free();
 }
 
 
@@ -451,9 +454,10 @@ void deInitTT_thread_entry()
 {
     if (rt_sem_take(shuntDownTT, RT_WAITING_FOREVER) == RT_EOK)
     {
+        deinitThread =RT_NULL;
         tcpClose();
         rt_hw_stm32_eth_deinit();        //qu激活网口
-
+//        rt_thread_mdelay(3000);
         pwTT_thread_entry("0");
 //        if (0&& tmrToPNTT)
 //        {
@@ -462,8 +466,12 @@ void deInitTT_thread_entry()
 //        }
         LOG_W("shunt down TT DONE");
     }
+    initThread=RT_NULL;
 
     deinitThread =RT_NULL;
+
+//    list_thread();
+//    cmd_free();
 }
 
 /**
diff --git a/applications/func/func.c b/applications/func/func.c
index c70d359..b4a2316 100644
--- a/applications/func/func.c
+++ b/applications/func/func.c
@@ -147,9 +147,10 @@ void upSend_thread_entry(void* parameter)
 {
     SMSG* msg = RT_NULL;
     msg = (SMSG*) parameter;
+    LOG_D("1--%p",msg);
+//    LOG_HEX("--",16,msg->data,msg->len);
 
-
-
+//check status
     uint8_t sta = 1;
     while (0 && !isTTjh()) //判断TT状态
     {
@@ -189,22 +190,18 @@ void upSend_thread_entry(void* parameter)
 //    size_t rst = packMsg(&cfg, tmpmsg->data, msg->len, dout);//packMsgs
     LOG_HEX("upSend", 27, dout, rst);
     if (rst)
-    {
-        while (!isTCPok())
-        {
-            rt_thread_mdelay(1000);
-        }
+    {LOG_D("2--%p",msg);
         if (sendMsg(dout, rst) == RT_EOK)
         {
-//            tcpClose();
             LOG_I("send to TT Done.");
         }
         else//发送失败，实例不存在此种情况
-        {
+        {LOG_D("3--%p",msg);
             LOG_E("send error, try to cache %d bytes data to file.",msg->len);
             cacheDataToFile(msg->data, msg->len);
         }
     }
+    list_thread();
     return ;
 }
 /**
@@ -221,7 +218,7 @@ RT_WEAK int upSend(uint8_t *din, size_t len)
     memset(&msg, 0, sizeof(SMSG));
     memcpy(msg.data,din,len);
     msg.len=len;
-
+    LOG_D("0--%p",&msg);
     /* 创建 serial 线程 */
     rt_thread_t thread = rt_thread_create("upSend", upSend_thread_entry, (void *) &msg, 1024 * 5, 27, 10);
     /* 创建成功则启动线程 */
@@ -1018,6 +1015,7 @@ void parseTTData(uint8_t *din, size_t len)
         //数据
         else
         {
+            resetTM();//非ACK信号才能触发延时逻辑
             uint8_t rst = memcmp(ndin,head,10);//只比较到ftype
             if (rst)
             {
diff --git a/applications/getinfo.c b/applications/getinfo.c
index 8b1ada1..7f75a01 100644
--- a/applications/getinfo.c
+++ b/applications/getinfo.c
@@ -314,9 +314,10 @@ static int webclient_get_data(const char *url)
         LOG_D("webclient GET request response data :");
         LOG_D("%s", buffer);
 
-    tt_parse(buffer);
+
     if (buffer)
     {
+        tt_parse(buffer);
         web_free(buffer);
     }
 
@@ -438,7 +439,10 @@ void repGetTT_thread_entry(void* parameter)
                 strcpy(TTinfo->ele,"-");
                 break;
             }
-            web_free(url);
+            if (url) {
+                web_free(url);
+            }
+
 //            rt_thread_mdelay(100);
 
             //trans&copy new info to arrBuf
diff --git a/applications/ttmsg/ttmsg.c b/applications/ttmsg/ttmsg.c
index 2cf5200..b914586 100644
--- a/applications/ttmsg/ttmsg.c
+++ b/applications/ttmsg/ttmsg.c
@@ -454,10 +454,11 @@ void recTT_thread_entry()
             LOG_HEX("TTrec", 27, msg.data, msg.size);
             //此处调用处理函数
 //                LOG_D("try to parse data.");
-            resetTM();
+//            resetTM();
             parseTTData(msg.data,msg.size);
         }
     }
+    LOG_D("close recTT_thread_entry.");
 }
 //INIT_COMPONENT_EXPORT(recTT_thread_entry);
 
diff --git a/drivers/drv_eth.c b/drivers/drv_eth.c
index 6b5de78..94db512 100644
--- a/drivers/drv_eth.c
+++ b/drivers/drv_eth.c
@@ -673,8 +673,9 @@ __exit:
 void rt_hw_stm32_eth_deinit()
 {
 //    HAL_ETH_DeInit(&EthHandle);
-rt_timer_delete(stm32_eth_device.poll_link_timer);
+    rt_timer_delete(stm32_eth_device.poll_link_timer);
     eth_device_deinit(&(stm32_eth_device.parent));
+
     if (Rx_Buff)
     {
         rt_free(Rx_Buff);