diff --git a/esp32_devkitc_v4/liteos_m/config.gni b/esp32_devkitc_v4/liteos_m/config.gni
index a23660f179b59b6e1fe395e6d40fdb1893f10dba..b64086811ef71a4c6026174f5598ff44b51252b0 100644
--- a/esp32_devkitc_v4/liteos_m/config.gni
+++ b/esp32_devkitc_v4/liteos_m/config.gni
@@ -78,6 +78,7 @@ board_cflags = [
   "-DMBEDTLS_CMSIS_FILE=\"rtos/liteos/liteos_m/kal/cmsis/cmsis_os.h\"",
   "-DLOSCFG_BASE_CORE_HILOG",
   "-D__NEED_uintptr_t",
+  "-D__XTENSA_LX6__",
 ]
 
 # config.json parse