diff --git a/main/stm32/config.h b/main/stm32/config.h
index ec24afe..a441ce4 100644
--- a/main/stm32/config.h
+++ b/main/stm32/config.h
@@ -27,7 +27,7 @@
 #define 	DEPTH_RESET_ADDR 510
 #define 	REBOOT_REW_ADDR 511
 
-
+#define  	TIME  264
 typedef struct
 {
 	uint16_t magic;
diff --git a/main/stm32/depth.c b/main/stm32/depth.c
index c493e95..e1ce748 100644
--- a/main/stm32/depth.c
+++ b/main/stm32/depth.c
@@ -28,7 +28,7 @@
 
 #include <string.h>
 #include <stdio.h>
-
+#include "esp_timer.h"
 
 static const char *TAG = "depth";
 
@@ -118,6 +118,7 @@ typedef struct{
 	uint8_t TAG;
 	int16_t flow[2];
 	uint32_t total_flow[2];
+	uint16_t time;
 }send_to_bt_t2;
 #pragma pack() 
 
@@ -128,8 +129,9 @@ typedef struct
 	int16_t depth;				 // 14
 	uint16_t sample_count;		 // 15
 	uint16_t depth_flow[2];		 // 16~17
-	uint32_t last_total_flow[2]; // 18~21
+	uint32_t last_total_flow[2]; //
 	int16_t depth_offset;		 // 22
+	uint16_t one_pile_work_time;//23 系统工作时间
 								 // uint32_t update_time;
 								 //  int16_t tilt_x;
 								 //  int16_t tilt_y;
@@ -336,6 +338,11 @@ void send_data_to_bt(void){
 	send_to_bt2.flow[1] = pflow[1].flow;
 	send_to_bt2.total_flow[0] = pflow[0].total_flow;
 	send_to_bt2.total_flow[1] = pflow[1].total_flow;
+
+	/*计算开启后持续时间，并传给EC600U*/
+	uint16_t time = 0;
+	gWordVar[TIME] = time;
+	send_to_bt2.time = time;
 #endif
 	ESP_LOGI(TAG, "flow 1 :%d\n",send_to_bt2.flow[0]);
 	ESP_LOGI(TAG, "flow 2 :%d\n",send_to_bt2.flow[1]);
@@ -371,7 +378,7 @@ void depth_task(void *arg)
 	int time_diff = 0;
 	int speed_timeout = 0;
 	int last_speed_enc_value = 0;  // 上次速度计算的编码器值
-	int speed_enc_update_time = 0; // 上次速度计算的编码器值
+	int speed_enc_update_time = 0; 
 	int speed_calc_count = 0;
 	int enc_value = 0;
 	//int count = 0;
@@ -383,9 +390,14 @@ void depth_task(void *arg)
 	//send_to_bt1.pile_id = ++last_pile_id;
 
 	gWordVar[LAST_PILE_ID_ADDR] = last_pile_id;
+
+	/*获取当前时间*/
+	uint16_t last_work_time = 0;
+	uint16_t current_work_time = 0;
+	uint8_t is_work = 0;
+	
 	while (1)
-	{	
-		
+	{			
 		if (_enc1_update_time != enc1_update_time)
 		{
 			ESP_LOGI(TAG, "_enc1_update_time != enc1_update_time\n");
@@ -445,8 +457,26 @@ void depth_task(void *arg)
 					}
 				}
 			}
+			
 			if (depth_data->up_down > STOP)
 			{
+				is_work ++;
+				if(is_work == 1){
+					depth_data->one_pile_work_time = 0;
+					last_work_time  = (uint16_t)(esp_timer_get_time()/1000000);
+				}
+				if(is_work > 1){
+					current_work_time  = (uint16_t)(esp_timer_get_time()/1000000);
+					depth_data->one_pile_work_time = current_work_time - last_work_time;
+					if(depth_data->one_pile_work_time < 0){
+						depth_data->one_pile_work_time = 0;
+					}
+					last_work_time = current_work_time;
+				}
+				
+				depth_data->one_pile_work_time = current_work_time - last_work_time;
+
+				last_work_time = current_work_time;
 				ESP_LOGI(TAG, "depth_data->up_down > STOP\n");
 				if (enc_value > last_enc_value)
 				{ // 下钻,深度增加
@@ -545,6 +575,10 @@ void depth_task(void *arg)
 					}
 				}
 			}
+			else{
+				is_work = 0;
+				depth_data->one_pile_work_time = 0;
+			}
 			prev_depth = depth_data->depth;
 			prev_update_time = enc_update_time;
 			last_enc_value = enc_value;