diff --git a/rtthread_patch/realtek/8711b/include/platform_autoconf.h b/rtthread_patch/realtek/8711b/include/platform_autoconf.h
index 3f95890..7d9cd4b 100644
--- a/rtthread_patch/realtek/8711b/include/platform_autoconf.h
+++ b/rtthread_patch/realtek/8711b/include/platform_autoconf.h
@@ -53,7 +53,7 @@
 /*
  * < CONFIG OS 
  */
-#define CONFIG_KERNEL 1
+// #define CONFIG_KERNEL 0
 #define PLATFORM_FREERTOS 1
 #undef  PLATFORM_UCOSII
 #undef  PLATFORM_ECOS
diff --git a/sdk-ameba-v4.0b_without_NDA_GCC_V1.0.0/component/soc/realtek/8711b/app/monitor/ram/rtl_consol.c b/sdk-ameba-v4.0b_without_NDA_GCC_V1.0.0/component/soc/realtek/8711b/app/monitor/ram/rtl_consol.c
index edbdebf..38dc0d6 100644
--- a/sdk-ameba-v4.0b_without_NDA_GCC_V1.0.0/component/soc/realtek/8711b/app/monitor/ram/rtl_consol.c
+++ b/sdk-ameba-v4.0b_without_NDA_GCC_V1.0.0/component/soc/realtek/8711b/app/monitor/ram/rtl_consol.c
@@ -297,6 +297,7 @@ UartLogCmdExecuteRam(
 	return FALSE;
 }
 
+#ifdef CONFIG_KERNEL
 
 VOID
 RtlConsolTaskRam(
@@ -361,6 +362,7 @@ RtlConsolTaskRam(
 		}
 	}while(1);
 }
+#endif
 
 /**
   * @brief    Set UartLog Baud Rate use baudrate val.