diff --git a/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/main.c b/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/main.c
index 34c376c0..8e7e67af 100644
--- a/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/main.c
+++ b/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/main.c
@@ -21,7 +21,7 @@
 #include "sdkconfig.h"
 #include "second_uart.h"
 #include "soc/uart_struct.h"
-#include "soc\lp_uart_reg.h"
+#include "soc/lp_uart_reg.h"
 #include "utils.h"
 #include "led.h"
 
diff --git a/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/radio.c b/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/radio.c
index 64e314df..4a9027cf 100644
--- a/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/radio.c
+++ b/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/radio.c
@@ -17,7 +17,7 @@
 #include "proto.h"
 #include "sdkconfig.h"
 #include "soc/uart_struct.h"
-#include "soc\lp_uart_reg.h"
+#include "soc/lp_uart_reg.h"
 #include "radio.h"
 #include "utils.h"
 #include "led.h"
diff --git a/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/second_uart.c b/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/second_uart.c
index 42cb750c..d9023772 100644
--- a/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/second_uart.c
+++ b/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/second_uart.c
@@ -19,7 +19,7 @@
 #include "proto.h"
 #include "sdkconfig.h"
 #include "soc/uart_struct.h"
-#include "soc\lp_uart_reg.h"
+#include "soc/lp_uart_reg.h"
 
 static const char *TAG = "SECOND_UART";
 
diff --git a/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/utils.c b/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/utils.c
index 8def5671..7f236cfc 100644
--- a/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/utils.c
+++ b/ARM_Tag_FW/OpenEPaperLink_esp32_C6_AP/main/utils.c
@@ -17,7 +17,7 @@
 #include "proto.h"
 #include "sdkconfig.h"
 #include "soc/uart_struct.h"
-#include "soc\lp_uart_reg.h"
+#include "soc/lp_uart_reg.h"
 #include "nvs_flash.h"
 
 void delay(int ms) { vTaskDelay(pdMS_TO_TICKS(ms)); }