diff --git a/applications/cfg.ini b/applications/cfg.ini
index 226f4fd..8493fdf 100644
--- a/applications/cfg.ini
+++ b/applications/cfg.ini
@@ -1,5 +1,5 @@
 [config]
-# V1.81
+# V1.82
 #发送间隔（M），以零点为基准时刻
 sendInterval=60 
 # 最大文件大小，超过此大小则进入发送流程
@@ -11,14 +11,14 @@ maxTTWaitTime=4
 # TT最大重试次数
 maxTTRetryCnt=3
 # TT最低信号值
-minTTsinal=5
+minTTsinal=3
 # TT状态检测周期数
 minTTPeriCnt=2
 compressType=1
 # 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
-openWindowTime=1,2,7,8
+openWindowTime=1,0,2,0,7,0,8,0
 #超时时间（M），主动开机上报数据情况下最后一次通信后开始计时，超时后关闭TT
 timeout=5
 # 工作模式，1-TT，2-BD
diff --git a/applications/core.c b/applications/core.c
index 44e4e58..eab307b 100644
--- a/applications/core.c
+++ b/applications/core.c
@@ -311,9 +311,14 @@ static void chkAndSendFile_thread_entry()
             }
             else if (rst == -RT_ETIMEOUT)//超时则重试
             {
-                LOG_W("第%d次尝试中TT准备失败。", var + 1);
-                rt_thread_mdelay(1000);
-                if ((var+1) == scfg.maxTTRetryCnt) {
+                if ((var+1) < scfg.maxTTRetryCnt)
+                {
+                    LOG_W("第%d次尝试中TT准备失败，重试。", var + 1);
+                    deInitTT();
+                    rt_thread_mdelay(1000);
+                    initTT();
+                }
+                else {
                     LOG_E("TT准备失败");
                 }
             }
@@ -378,10 +383,10 @@ void resetTM()
 void d_getRemain()
 {
     LOG_D("=%d=",rt_tick_from_millisecond(10*60*1000));
-    rt_tick_t *arg1,*arg2;
-    arg1=rt_timer_control(tmrToPNTT, RT_TIMER_CTRL_GET_TIME, (void*)arg1);
-    arg2=rt_timer_control(tmrToPNTT, RT_TIMER_CTRL_GET_REMAIN_TIME, (void*)arg2);
-    LOG_D("tm=%d-%d",&arg1,&arg2);
+    rt_tick_t arg1,arg2;
+    arg1=rt_timer_control(tmrToPNTT, RT_TIMER_CTRL_GET_TIME, (void*)&arg1);
+    arg2=rt_timer_control(tmrToPNTT, RT_TIMER_CTRL_GET_REMAIN_TIME, (void*)&arg2);
+    LOG_D("tm=%d-%d",arg1,arg2);
 }
 
 /* 定时器超时函数 */
@@ -430,6 +435,7 @@ void initTT_thread_entry()
                 LOG_D("TCP is ready.");
                 tcpRecMQ();        //开启tcp接收线程
                 recTT();
+                repGetTT();
 //                chkAndSendFile();
             }
         }
diff --git a/applications/func/func.c b/applications/func/func.c
index cdeb16a..935e394 100644
--- a/applications/func/func.c
+++ b/applications/func/func.c
@@ -239,14 +239,14 @@ void selfTest()
     LOG_I("FUNC = selftest");
     rt_uint8_t rst[100]={0x5A, 0xA5, ADDR_ANJI, ADDR_TT, _CMD_SELF_TEST>>8, _CMD_SELF_TEST & 0xff};
     int p = 6;
-    rt_uint8_t sysSta=1,xh=0,jh=0,commSpeed=0;
+    rt_uint8_t sysSta=1,commSpeed=0;
     //长度
     rst[p++]=0x00;
     rst[p++]=0x09;
 
     rst[p++] = sysSta;
-    rst[p++] = xh;//xh,jh
-    rst[p++] = jh;
+    rst[p++] = getXh();//xh,jh
+    rst[p++] = isTTjh();
     rst[p++] = commSpeed;
     rst[p++] = getPowerLevel();
 
@@ -943,7 +943,7 @@ void parse3SData(uint8_t *din, size_t count)
 
 void chkACK(uint8_t *msg, size_t size)
 {
-    rt_uint8_t ackgood[] = { 0x88, 0xAA, 0xBB, 0x88, 0x41, 0x43, 0x4B }; //前四字节=帧头、后三字节=ACK
+    rt_uint8_t ackgood[] = { 0x88, 0xAA, 0xBB, 0x88,         0x41, 0x43, 0x4B }; //前四字节=帧头、后三字节=ACK
     if (rt_memcmp(msg, ackgood, 4) == 0 && rt_memcmp(msg + size - 3, ackgood + 4, 3) == 0)
     {
         LOG_I("data is ACK.");
@@ -969,10 +969,10 @@ void parseTTData(uint8_t *din, size_t len)
 * | 0x88,0xAA,0xBB,0x88 | 0x00,0x01 | 0x00,0x00 | 0x70,0x21 | 0x00,0xAA |  0x00   | 0x27,0x22,0x22,0x22 |            |
 * +---------------------+-----------+-----------+-----------+-----------+---------+---------------------+------------+
 */
-    uint8_t head[]={0x88,0xAA,0xBB,0x88, 0x00,0x01, 0x00,0x00, 0x70,0x21, 0x00,0xaa, 0x00,   0x27,0x22,0x22,0x22 };
+    uint8_t head[]={0x88,0xAA,0xBB,0x88, 0xFF,0xFF, 0x00,0x00, 0x70,0x21, 0x00,0xaa, 0x00,   0x27,0x22,0x22,0x22 };
                     //fstart[4]          fnum[2]    bak[2]     ftype[2]   fdlen[2]   fcrc[1] ftccid[4]
     uint8_t index[10];
-    size_t n=isInByte(din, len, head, 10, index);
+    size_t n=isInByte(din, len, head, 4, index);//仅判断帧头，因ACK不一样
     uint8_t ndin[200];
     if (!n) {
         LOG_W("TTData中无匹配帧");
diff --git a/applications/getinfo.c b/applications/getinfo.c
index 21401a0..4002d93 100644
--- a/applications/getinfo.c
+++ b/applications/getinfo.c
@@ -192,15 +192,13 @@ static void rulecheck(void)
     }
     else {
         okCnt = 0;
-        LOG_W("不符合。");
+//        LOG_W("不符合。");
         return;
     }
     if (okCnt >= scfg.minTTPeriCnt) {
         //TT具备发送条件
-//        TTisReady();
         TTIsReady();
-        LOG_I("符合规则，TT具备发送状态。");
-//        updateSta();
+//        LOG_I("符合规则，TT具备发送状态。");
         okCnt = scfg.minTTPeriCnt -1;
     }
 //    if (okCnt > minTTPeriCnt) {
@@ -392,17 +390,25 @@ MSH_CMD_EXPORT(getTT, 获取天通信息，支持参数。 "getTT 3 1" means try
  */
 int isTTon(void)
 {
+#ifndef RELAY
    return !rt_pin_read(TT_EN);
+#else
+   return rt_pin_read(TT_EN);
+#endif
 }
 
 /**
  * 判断TT是否激活
  * @return 1-已激活，0-未激活
  */
-int isTTjh(void)
+uint8_t isTTjh(void)
 {
     return atoi(TTinfo->jh);
 }
+uint8_t getXh(void)
+{
+    return (uint8_t)atoi(TTinfo->xh);
+}
 
 void repGetTT_thread_entry(void* parameter)
 {
diff --git a/applications/led_blink_sample.c b/applications/led_blink_sample.c
index 483b6c5..b0cd6ab 100644
--- a/applications/led_blink_sample.c
+++ b/applications/led_blink_sample.c
@@ -37,13 +37,15 @@ static void led_entry(void *parameter)
     while (1)
     {
         /* 拉低PIN脚 */
-        rt_pin_write(pin_num, PIN_LOW);
+        rt_pin_write(LED_HEART, PIN_LOW);
+        rt_pin_write(LED_HEART_DEBUG, PIN_HIGH);
         /* 延时1ms，省电 */
-         rt_thread_mdelay(1);//去掉延时，共用print替换
+        rt_thread_mdelay(10); //去掉延时，共用print替换
 //        rt_kprintf("Heartbeat.\n");
 
         /* 拉高PIN脚 */
-        rt_pin_write(pin_num, PIN_HIGH);
+        rt_pin_write(LED_HEART, PIN_HIGH);
+        rt_pin_write(LED_HEART_DEBUG, PIN_LOW);
         rt_thread_mdelay(1000);
     }
 }
@@ -66,8 +68,8 @@ int led_sample(int argc, char *argv[])
     tid = rt_thread_create("led",
                            led_entry,
                            RT_NULL,
-                           512,
-                           RT_THREAD_PRIORITY_MAX / 3,
+                           256,
+                           30,
                            20);
     if (tid != RT_NULL)
     {
@@ -83,5 +85,5 @@ int led_sample(int argc, char *argv[])
 /* 导出到 msh 命令列表中 */
 //MSH_CMD_EXPORT(led_sample, led sample);
 /* 导出到自动初始化 */
-//INIT_COMPONENT_EXPORT(led_sample);
+INIT_COMPONENT_EXPORT(led_sample);
 
diff --git a/applications/main.c b/applications/main.c
index ef7f3be..5367a12 100644
--- a/applications/main.c
+++ b/applications/main.c
@@ -39,7 +39,7 @@ int main(void)
     rt_pin_mode(ETH_RESET_PIN, PIN_MODE_OUTPUT);
 
     rt_pin_mode(TT_EN, PIN_MODE_OUTPUT);
-    rt_pin_write(TT_EN, PIN_HIGH);
+    rt_pin_write(TT_EN, PIN_LOW);
 //    rt_pin_attach_irq(TT_EN, PIN_IRQ_MODE_FALLING, pwTT_irq_callback, RT_NULL);   // 下降沿触发
 //    rt_pin_irq_enable(TT_EN, PIN_IRQ_ENABLE);                                    // 使能中断
 
diff --git a/applications/ttmsg/ttmsg.c b/applications/ttmsg/ttmsg.c
index a236687..55a60bd 100644
--- a/applications/ttmsg/ttmsg.c
+++ b/applications/ttmsg/ttmsg.c
@@ -359,7 +359,11 @@ void pwTT_thread_entry(void *parameter)
     }
     else
     {
+#ifndef  RELAY
         flag = !(rt_bool_t) atoi(parameter);
+#else
+        flag = (rt_bool_t) atoi(parameter);
+#endif
     }
 
     rt_pin_write(TT_EN, flag);//
@@ -373,7 +377,7 @@ void pwTT_thread_entry(void *parameter)
 //    }
 
 
-
+#ifndef RELAY
     if (rt_pin_read(TT_EN))//检查设置后状态
     {
         LOG_I("set TT %s", "OFF");//高电平关断
@@ -384,7 +388,9 @@ void pwTT_thread_entry(void *parameter)
 //        add_val("swCnt");//更新统计值
         LOG_I("set TT %s", "ON");//低电平开启
     }
-
+#else
+    LOG_I("set TT %s", rt_pin_read(TT_EN)?"ON":"OFF");
+#endif
 }
 
 static int swTT(int argc, char **argv)
@@ -439,7 +445,7 @@ void recTT_thread_entry()
                 break;
             }
             LOG_I("%d Bytes received from TT",msg.size);
-            LOG_HEX("TTrec", 16, msg.data, msg.size);
+            LOG_HEX("TTrec", 27, msg.data, msg.size);
             //此处调用处理函数
 //                LOG_D("try to parse data.");
             resetTM();
diff --git a/applications/usrcfg.h b/applications/usrcfg.h
index 4863fff..ac76b89 100644
--- a/applications/usrcfg.h
+++ b/applications/usrcfg.h
@@ -52,6 +52,6 @@ typedef struct
 #define ROOT_PATH_LOG "/sd/log/"
 #define ROOT_PATH_DATA "/sd/rxdata/"
 
-
+#define RELAY
 
 #endif /* APPLICATIONS_USRCFG_H_ */