diff --git a/cm_backtrace/cm_backtrace.c b/cm_backtrace/cm_backtrace.c
index 8390803..aa50f51 100644
--- a/cm_backtrace/cm_backtrace.c
+++ b/cm_backtrace/cm_backtrace.c
@@ -119,9 +119,14 @@ static const char * const print_info[] = {
 #endif
 };
 
-static char fw_name[CMB_NAME_MAX + 1] = {0};
-static char hw_ver[CMB_NAME_MAX + 1] = {0};
-static char sw_ver[CMB_NAME_MAX + 1] = {0};
+#ifdef CMB_NOT_USING_FIRMWARE_INFO
+    static const char * const fw_name = "x";
+#else
+    static char fw_name[CMB_NAME_MAX + 1] = {0};
+    static char hw_ver[CMB_NAME_MAX + 1] = {0};
+    static char sw_ver[CMB_NAME_MAX + 1] = {0};
+#endif
+
 static uint32_t main_stack_start_addr = 0;
 static size_t main_stack_size = 0;
 static uint32_t code_start_addr = 0;
@@ -143,9 +148,11 @@ static bool on_thread_before_fault = false;
  * library initialize
  */
 void cm_backtrace_init(const char *firmware_name, const char *hardware_ver, const char *software_ver) {
+#ifndef CMB_NOT_USING_FIRMWARE_INFO
     strncpy(fw_name, firmware_name, CMB_NAME_MAX);
     strncpy(hw_ver, hardware_ver, CMB_NAME_MAX);
     strncpy(sw_ver, software_ver, CMB_NAME_MAX);
+#endif
 
 #if defined(__ARMCC_VERSION)
     main_stack_start_addr = (uint32_t)&CSTACK_BLOCK_START(CMB_CSTACK_BLOCK_NAME);
@@ -178,7 +185,9 @@ void cm_backtrace_init(const char *firmware_name, const char *hardware_ver, cons
  * print firmware information, such as: firmware name, hardware version, software version
  */
 void cm_backtrace_firmware_info(void) {
+#ifndef CMB_NOT_USING_FIRMWARE_INFO
     cmb_println(print_info[PRINT_FIRMWARE_INFO], fw_name, hw_ver, sw_ver);
+#endif
 }
 
 #ifdef CMB_USING_OS_PLATFORM
diff --git a/cm_backtrace/cmb_cfg.h b/cm_backtrace/cmb_cfg.h
index b9a0b09..e3476ba 100644
--- a/cm_backtrace/cmb_cfg.h
+++ b/cm_backtrace/cmb_cfg.h
@@ -46,6 +46,8 @@
 /* #define CMB_USING_DUMP_STACK_INFO */
 /* language of print information */
 /* #define CMB_PRINT_LANGUAGE             CMB_PRINT_LANGUAGE_ENGLISH(default) or CMB_PRINT_LANGUAGE_CHINESE or CMB_PRINT_LANGUAGE_CHINESE_UTF8 */
+/* disable storing and printing firmware information */
+/* #define CMB_NOT_USING_FIRMWARE_INFO */
 #endif
 
 #endif /* _CMB_CFG_H_ */