diff --git a/components/backtrace/los_backtrace.c b/components/backtrace/los_backtrace.c
index db817ade..2cfef749 100644
--- a/components/backtrace/los_backtrace.c
+++ b/components/backtrace/los_backtrace.c
@@ -119,7 +119,7 @@ STATIC INLINE UINT32 OsStackAddrGet(UINTPTR *stackStart, UINTPTR *stackEnd, UINT
             LosTaskCB *taskCB = OS_TCB_FROM_TID(taskID);
             *stackEnd = (UINTPTR)taskCB->topOfStack + taskCB->stackSize;
             if ((SP < (UINTPTR)taskCB->topOfStack) || (SP >= *stackEnd)) {
-                PRINT_ERR("msp statck [0x%x, 0x%x], cur task stack [0x%x, 0x%x], cur sp(0x%x) is overflow!\n",
+                PRINT_ERR("msp stack [0x%x, 0x%x], cur task stack [0x%x, 0x%x], cur sp(0x%x) is overflow!\n",
                           CODE_START_ADDR, CSTACK_END_ADDR, (UINTPTR)taskCB->topOfStack, *stackEnd, SP);
                 return LOS_NOK;
             }
diff --git a/components/backtrace/los_backtrace.h b/components/backtrace/los_backtrace.h
index b0d27d43..70145ec5 100644
--- a/components/backtrace/los_backtrace.h
+++ b/components/backtrace/los_backtrace.h
@@ -46,7 +46,7 @@ extern "C" {
 #if (LOSCFG_BACKTRACE_TYPE != 0)
 #if (LOSCFG_BACKTRACE_TYPE == 1)
 /* The default name of the code section and CSTACK section are given below,
-   and the user can be adjust it according to the linker script file. */
+   and the user can adjust it according to the linker script file. */
 #if defined(__ICCARM__)
 /* The default code section name is .text */
 #define CODE_SECTION_NAME    ".text"
@@ -91,9 +91,9 @@ extern CHAR *CODE_SECTION_END(CODE_SECTION_NAME);
 #define CSTACK_START_ADDR   ((UINTPTR)&CSTACK_SECTION_START(CSTACK_SECTION_NAME))
 #define CSTACK_END_ADDR     ((UINTPTR)&CSTACK_SECTION_END(CSTACK_SECTION_NAME))
 #elif defined(__GNUC__)
-/* The defalut code section start address */
+/* The default code section start address */
 #define CODE_SECTION_START      _stext
-/* The defalut code section end address */
+/* The default code section end address */
 #define CODE_SECTION_END        _etext
 /* The default C stack section start address */
 #define CSTACK_SECTION_START    _sstack
@@ -117,9 +117,9 @@ extern CHAR *CSTACK_SECTION_END;
 #endif
 #elif (LOSCFG_BACKTRACE_TYPE == 2)
 #if defined(__GNUC__)
-/* The defalut code section start address */
+/* The default code section start address */
 #define CODE_SECTION_START      __text_start
-/* The defalut code section end address */
+/* The default code section end address */
 #define CODE_SECTION_END        __text_end
 
 extern CHAR *CODE_SECTION_START;