diff --git a/source/app/app_config.c b/source/app/app_config.c
index 08334ff..2c1ec7e 100644
--- a/source/app/app_config.c
+++ b/source/app/app_config.c
@@ -116,6 +116,8 @@ void L3_reg_reset(void)
 {
 	U8 i = 0;
 	
+	R.Operation_time = D_sys_now;
+	
 	R.app_status = POW_OFF;
 	
 	R.pen_sta = 0;
diff --git a/source/app/app_config.h b/source/app/app_config.h
index 2cf7b03..1172c5d 100644
--- a/source/app/app_config.h
+++ b/source/app/app_config.h
@@ -87,6 +87,8 @@ typedef struct global_register
 
 	APP_STATUS app_status;
 
+	vU32 Operation_time;
+
 }GlobalRegister;
 
 extern GlobalRegister R;
diff --git a/source/app/main.c b/source/app/main.c
index eecb14e..7b910a0 100644
--- a/source/app/main.c
+++ b/source/app/main.c
@@ -106,6 +106,7 @@ void main(void)
 		// WIFI任务
 		if (R.app_status >= POW_ON)
 		{
+			Power_Off_judge();
 			// WIFI数据解析
 			L3_uart2_wifi_parse();
 			L2_task_W600_flow_handle(&_s_task_w600_para);
diff --git a/source/app/task_appstatus.c b/source/app/task_appstatus.c
index 1e2f8cf..b836d43 100644
--- a/source/app/task_appstatus.c
+++ b/source/app/task_appstatus.c
@@ -26,6 +26,7 @@
 
 S_TASK_APPSTATUS _s_task_appstatus;
 
+
 void L3_task_AppStatus_init(void)
 {
 	L1_task_init(&_s_task_appstatus.task);
@@ -47,6 +48,7 @@ void L3_task_appstatus_handler(S_TASK_APPSTATUS *s)
 		L2_task_go(D_task_DETECTCHANGE);
 
 	TTSS_Task_step(D_task_DETECTCHANGE)
+
 		if(s->status != R.app_status)
 		{	
 			s->status = R.app_status;
@@ -143,4 +145,30 @@ void L3_task_appstatus_handler(S_TASK_APPSTATUS *s)
 		L2_task_go_Tdelay(D_task_DETECTCHANGE,D_Tdelay_500ms);
 
 	TTSS_Task_end();
+}
+
+// 180s无操作判定函数			
+void Power_Off_judge()
+{
+	vU32 Nowtime = D_sys_now;
+	vU32 diff = Nowtime - R.Operation_time;
+	L0_uart0_0d0a();
+	L0_uart0_sendstr(" R.Operation_time = ");
+	L0_uart0_ulhex(R.Operation_time);
+	L0_uart0_0d0a();
+	L0_uart0_0d0a();
+	L0_uart0_sendstr(" R.Nowtime = ");
+	L0_uart0_ulhex(Nowtime);
+	L0_uart0_0d0a();
+	
+	L0_uart0_0d0a();
+	L0_uart0_sendstr(" diff = ");
+	L0_uart0_ulhex(diff);
+	L0_uart0_0d0a();
+	if (diff > 6000)    //180000 180秒  30000 30秒  60000 60秒
+	{
+		R.app_status = POW_OFF;	
+		L0_uart0_0d0a();
+		L0_uart0_sendstr(" _judge_Power_Off_");	
+	}
 }
\ No newline at end of file
diff --git a/source/app/task_appstatus.h b/source/app/task_appstatus.h
index b72c1c3..c1949ce 100644
--- a/source/app/task_appstatus.h
+++ b/source/app/task_appstatus.h
@@ -25,7 +25,9 @@ typedef struct _s_task_appstatus
 }S_TASK_APPSTATUS;
 
 extern S_TASK_APPSTATUS _s_task_appstatus;
+extern vU32 Nowtime ;
 extern void L3_task_AppStatus_init(void);
 extern void L3_task_appstatus_handler(S_TASK_APPSTATUS *s);
+extern void Power_Off_judge();
 
 #endif //	#ifndef
diff --git a/source/app/task_keystatus.c b/source/app/task_keystatus.c
index 40c85e8..7bee402 100644
--- a/source/app/task_keystatus.c
+++ b/source/app/task_keystatus.c
@@ -11,6 +11,7 @@
 //////////////////////////////////////////////////////////////////////////////
 
 #include "../app/task_keystatus.h"
+#include "../app/task_appstatus.h"
 #include "../app/app_config.h"
 #include "../app/task_w600.h"
 #include "../bsp/bsp_key.h"
@@ -44,6 +45,8 @@ void L3_task_keystatus_handler(S_TASK_KEYSTATUS *s)
 	TTSS_Task_step(D_task_KEY_DETECT)
 		if(L2_ReadKey3() == Key_Down)
 		{
+			R.Operation_time = D_sys_now;
+
 			if (s->Key3_Down_Begin_Time == 0)
 			{
 				s->Key3_Down_Begin_Time = D_sys_now;
@@ -82,6 +85,8 @@ void L3_task_keystatus_handler(S_TASK_KEYSTATUS *s)
 		}
 		else if (L2_ReadKey1() == Key_Down)
 		{
+			R.Operation_time = D_sys_now;
+
 			if (s->Key1_handled == 0 && R.app_status != POW_OFF)
 			{
 				s->Key1_handled = 1;
@@ -91,6 +96,8 @@ void L3_task_keystatus_handler(S_TASK_KEYSTATUS *s)
 		}
 		else if (L2_ReadKey2() == Key_Down)
 		{
+			R.Operation_time = D_sys_now;
+			
 			if (s->Key2_handled == 0 && R.app_status != POW_OFF)
 			{
 				s->Key2_handled = 1;
diff --git a/source/bsp/bsp_oid.c b/source/bsp/bsp_oid.c
index 6b6fec9..26d1c04 100644
--- a/source/bsp/bsp_oid.c
+++ b/source/bsp/bsp_oid.c
@@ -8,6 +8,8 @@
 #include "../app/app_task_speech.h"
 #include "../bsp/bsp_WT2605B.h"
 #include "../bsp/bsp_wifi.h"
+#include "../app/task_appstatus.h"
+
 
 /******************************************************************************************************
 															           变量定义
@@ -472,6 +474,8 @@ void L1_Oid_readoid(void)
 {	
 	if(!OID_DET)
 	{	
+		R.Operation_time = D_sys_now;
+		
 		// L2_WT2605B_Broadcast(&audio_game_correct);
 		ts_oid.pre_x = ts_oid.X100;
 		ts_oid.pre_y = ts_oid.Y100;