diff --git a/inc/main.h b/inc/main.h
index b0ea637..18c1b69 100644
--- a/inc/main.h
+++ b/inc/main.h
@@ -36,6 +36,7 @@ OF SUCH DAMAGE.
 #define MAIN_H
 
 #include <stdio.h>
+#include <stdbool.h>
 #include "gd32e23x.h"
 #include "systick.h"
 #include "gd32e23x_libopt.h"
diff --git a/inc/rs485.h b/inc/rs485.h
index f5e1320..3200d5e 100644
--- a/inc/rs485.h
+++ b/inc/rs485.h
@@ -9,6 +9,7 @@
 #include "gd32e23x.h"
 #include "systick.h"
 #include <stdio.h>
+#include <stdbool.h>
 #include "ldc1612.h"
 #include "tmp112.h"
 #include "fwdgt.h"
diff --git a/src/main.c b/src/main.c
index 01b811b..267c1a6 100644
--- a/src/main.c
+++ b/src/main.c
@@ -6,6 +6,8 @@
 */
 #include "main.h"
 
+bool g_statusSwitch = false;
+
 /*!
     \brief      main function
     \param[in]  none
@@ -40,9 +42,10 @@ int main(void) {
 
     while (1) {
 
-        delay_ms(50);
+        delay_ms(1000);
         fwdgt_counter_reload();
-        eddy_current_value_report();
+        if (g_statusSwitch)
+        {eddy_current_value_report();}
     }
 }
 
diff --git a/src/rs485.c b/src/rs485.c
index 05bb0f0..98c0708 100644
--- a/src/rs485.c
+++ b/src/rs485.c
@@ -7,6 +7,8 @@
 uint8_t package_header[3] = {0xB5, 0xF0, 0x04};
 uint8_t package_data[4] = {0};
 
+extern bool g_statusSwitch;
+
 void rs485_config(void) {
 #ifndef RS485_MAX13487
     rcu_periph_clock_enable(RS485_GPIO_RCU);
@@ -87,14 +89,15 @@ void process_command(uint8_t *cmd, size_t length) {
             // printf("%d", length);
             sprintf(combined_str, "%c%c", cmd[3], cmd[4]);
             if (strcmp(combined_str, "M1") == 0) {
-                eddy_current_value_report();
-            } else if (strcmp(combined_str, "M2") == 0)
-            {
-                tempture_value_report();
-            } else if (strcmp(combined_str, "M3") == 0)
-            {
+                printf("ok");
+                g_statusSwitch = true;
+                // eddy_current_value_report();
+            } else if (strcmp(combined_str, "M2") == 0) {
+                g_statusSwitch = false;
+                // tempture_value_report();
+            } else if (strcmp(combined_str, "M3") == 0) {
                 printf("%c%c%c%c%c%c", 0xB5, 0xF1, 0x02, 0x6F, 0x6B, 0xCC);
-                fwdgt_reset_mcu();
+                // fwdgt_reset_mcu();
             } else {
                 printf("%c%c%c%c%c%c%c", 0xB5, 0xF0, 0x03, 0x65, 0x72, 0x72, 0x3C);
                 return;