diff --git a/demos/non_os/stm32f10x/components/cm_backtrace/cmb_cfg.h b/demos/non_os/stm32f10x/components/cm_backtrace/cmb_cfg.h
index 2806dd1..4d5b246 100644
--- a/demos/non_os/stm32f10x/components/cm_backtrace/cmb_cfg.h
+++ b/demos/non_os/stm32f10x/components/cm_backtrace/cmb_cfg.h
@@ -38,5 +38,5 @@
 /* enable dump stack information */
 #define CMB_USING_DUMP_STACK_INFO
 /* language of print information */
-#define CMB_PRINT_LANGUAGE             CMB_PRINT_LANUUAGE_ENGLISH
+#define CMB_PRINT_LANGUAGE             CMB_PRINT_LANGUAGE_ENGLISH
 #endif /* _CMB_CFG_H_ */
diff --git a/demos/os/freertos/stm32f10x/components/cm_backtrace/cmb_cfg.h b/demos/os/freertos/stm32f10x/components/cm_backtrace/cmb_cfg.h
index 70c5bfa..03b783c 100644
--- a/demos/os/freertos/stm32f10x/components/cm_backtrace/cmb_cfg.h
+++ b/demos/os/freertos/stm32f10x/components/cm_backtrace/cmb_cfg.h
@@ -40,5 +40,5 @@
 /* enable dump stack information */
 #define CMB_USING_DUMP_STACK_INFO
 /* language of print information */
-#define CMB_PRINT_LANGUAGE             CMB_PRINT_LANUUAGE_ENGLISH
+#define CMB_PRINT_LANGUAGE             CMB_PRINT_LANGUAGE_ENGLISH
 #endif /* _CMB_CFG_H_ */
diff --git a/demos/os/rtthread/stm32f4xx/components/cm_backtrace/cmb_cfg.h b/demos/os/rtthread/stm32f4xx/components/cm_backtrace/cmb_cfg.h
index 0aafbb6..fd537d5 100644
--- a/demos/os/rtthread/stm32f4xx/components/cm_backtrace/cmb_cfg.h
+++ b/demos/os/rtthread/stm32f4xx/components/cm_backtrace/cmb_cfg.h
@@ -41,5 +41,5 @@
 /* enable dump stack information */
 #define CMB_USING_DUMP_STACK_INFO
 /* language of print information */
-#define CMB_PRINT_LANGUAGE             CMB_PRINT_LANUUAGE_ENGLISH
+#define CMB_PRINT_LANGUAGE             CMB_PRINT_LANGUAGE_ENGLISH
 #endif /* _CMB_CFG_H_ */
diff --git a/demos/os/ucosii/stm32f10x/components/cm_backtrace/cmb_cfg.h b/demos/os/ucosii/stm32f10x/components/cm_backtrace/cmb_cfg.h
index 82482a4..0e5e772 100644
--- a/demos/os/ucosii/stm32f10x/components/cm_backtrace/cmb_cfg.h
+++ b/demos/os/ucosii/stm32f10x/components/cm_backtrace/cmb_cfg.h
@@ -40,5 +40,5 @@
 /* enable dump stack information */
 #define CMB_USING_DUMP_STACK_INFO
 /* language of print information */
-#define CMB_PRINT_LANGUAGE             CMB_PRINT_LANUUAGE_ENGLISH
+#define CMB_PRINT_LANGUAGE             CMB_PRINT_LANGUAGE_ENGLISH
 #endif /* _CMB_CFG_H_ */