diff --git a/si4/soft_gsm_main.si4project/soft_gsm_main.sip_sym b/si4/soft_gsm_main.si4project/soft_gsm_main.sip_sym
index 2c4bded..df8e79a 100644
Binary files a/si4/soft_gsm_main.si4project/soft_gsm_main.sip_sym and b/si4/soft_gsm_main.si4project/soft_gsm_main.sip_sym differ
diff --git a/si4/soft_gsm_main.si4project/soft_gsm_main.siwork b/si4/soft_gsm_main.si4project/soft_gsm_main.siwork
index d3baf6b..b22d730 100644
Binary files a/si4/soft_gsm_main.si4project/soft_gsm_main.siwork and b/si4/soft_gsm_main.si4project/soft_gsm_main.siwork differ
diff --git a/source/app/app_task_gm35.c b/source/app/app_task_gm35.c
index 92389b1..3fa7189 100644
--- a/source/app/app_task_gm35.c
+++ b/source/app/app_task_gm35.c
@@ -374,7 +374,7 @@ void L2_task_gm35_flow_handle(struct _s_task_gm35_gprs_ *s)
 	TTSS_Task_step(TTSS_TASK_GM35_FLOW_CIPSTART_SUCCESS)
 		if(0 == g_at_send_status.conn_ok)	
 		{
-			L0_uart4_uc(0x1a);	//关闭send
+			//L0_uart4_uc(0x1a);	//关闭send
 			L2_task_go_Tdelay(TTSS_TASK_GM35_FLOW_CIPSTART,D_Tdelay_300ms);	//断线重连
 		}
 		
diff --git a/source/app/app_task_tcp.c b/source/app/app_task_tcp.c
index 7080817..2f7281d 100644
--- a/source/app/app_task_tcp.c
+++ b/source/app/app_task_tcp.c
@@ -6,7 +6,7 @@
 
 #define MODBUS_SLAVER_DW20_REG_START 0x02
 #define MODBUS_SLAVER_DW20_REG_NUM 0x02
-#define MODBUS_SLAVER_RETRY_MAX_TIME 3
+#define MODBUS_SLAVER_RETRY_MAX_TIME 5
 
 TS_tcp ts_tcp;
 
@@ -44,14 +44,13 @@ void L3_task_tcp_handle(TS_tcp *s)
 		}
 		
 	TTSS_Task_step(D_task_tcp_send_modbus_pkg)
-		
 		//L0_uart0_sendArray((U8*)&s->loopPkg,s->pkglen);
 		L3_gm35_send((U8*)&s->loopPkg,s->pkglen);
 		s->sendStamp = s_nos_tick.t_5ms;
 		L2_task_go(D_task_tcp_wait_modbus_ack);
 		
     TTSS_Task_step(D_task_tcp_wait_modbus_ack)
-		if(s_nos_tick.t_5ms - s->sendStamp >= 200)
+		if(s_nos_tick.t_5ms - s->sendStamp >= 300)
 		{
 			if(s_uart4_tcp_rec.ok)
 			{
@@ -62,7 +61,14 @@ void L3_task_tcp_handle(TS_tcp *s)
 					s->ackFlag = 1;
 				}
 			}
-			s->retryTimes++;
+			else
+			{
+				if(++s->retryTimes >= MODBUS_SLAVER_RETRY_MAX_TIME)
+				{
+					//断开连接
+					g_at_send_status.conn_ok = 0;
+				}
+			}
 			if(s->ackFlag || s->retryTimes >= MODBUS_SLAVER_RETRY_MAX_TIME)
 			{	
 				if(G.ccmd_slaver_info[s->slaverIndex].mask == 1)