diff --git a/firmware/application/src/app_cmd.c b/firmware/application/src/app_cmd.c
index d4ba55e..0ba5ac2 100644
--- a/firmware/application/src/app_cmd.c
+++ b/firmware/application/src/app_cmd.c
@@ -735,7 +735,7 @@ static data_frame_tx_t *cmd_processor_set_slot_enable(uint16_t cmd, uint16_t sta
     uint8_t slot_now = payload->slot_index;
     tag_emulation_slot_set_enable(slot_now, payload->sense_type, payload->enabled);
     if ((!payload->enabled) &&
-            (!tag_emulation_slot_is_enabled(slot_now, payload->sense_type == TAG_SENSE_HF ? TAG_SENSE_LF : TAG_SENSE_HF))) {
+            (!is_slot_enabled(slot_now, payload->sense_type == TAG_SENSE_HF ? TAG_SENSE_LF : TAG_SENSE_HF))) {
         // HF and LF disabled, need to change slot
         uint8_t slot_prev = tag_emulation_slot_find_next(slot_now);
         NRF_LOG_INFO("slot_now = %d, slot_prev = %d", slot_now, slot_prev);
@@ -1311,8 +1311,8 @@ static data_frame_tx_t *cmd_processor_get_enabled_slots(uint16_t cmd, uint16_t s
         uint8_t enabled_lf;
     } PACKED payload[8];
     for (uint8_t slot = 0; slot < 8; slot++) {
-        payload[slot].enabled_hf = tag_emulation_slot_is_enabled(slot, TAG_SENSE_HF);
-        payload[slot].enabled_lf = tag_emulation_slot_is_enabled(slot, TAG_SENSE_LF);
+        payload[slot].enabled_hf = is_slot_enabled(slot, TAG_SENSE_HF);
+        payload[slot].enabled_lf = is_slot_enabled(slot, TAG_SENSE_LF);
     }
     return data_frame_make(cmd, STATUS_SUCCESS, sizeof(payload), (uint8_t *)&payload);
 }
diff --git a/firmware/application/src/app_main.c b/firmware/application/src/app_main.c
index be85917..3ff1224 100644
--- a/firmware/application/src/app_main.c
+++ b/firmware/application/src/app_main.c
@@ -357,7 +357,7 @@ static void system_off_enter(void) {
     app_timer_stop_all();
 
     // Check whether there are low -frequency fields, solving very strong field signals during dormancy have always caused the comparator to be at a high level input state, so that the problem of uprising the rising edge cannot be awakened.
-    if (lf_is_field_exists()) {
+    if (is_lf_field_exists()) {
         // Close the comparator
         nrf_drv_lpcomp_disable();
         // Set the reason for Reset. After restarting, you need to get this reason to avoid misjudgment from the source of wake up.
diff --git a/firmware/application/src/rfid/nfctag/lf/lf_tag_em.c b/firmware/application/src/rfid/nfctag/lf/lf_tag_em.c
index a0bc16e..d31bc0a 100644
--- a/firmware/application/src/rfid/nfctag/lf/lf_tag_em.c
+++ b/firmware/application/src/rfid/nfctag/lf/lf_tag_em.c
@@ -48,7 +48,7 @@ static void lf_field_lost(void) {
 /**
  * @brief Judge field status
  */
-bool lf_is_field_exists(void) {
+bool is_lf_field_exists(void) {
     nrfx_lpcomp_enable();
     bsp_delay_us(30);  // Display for a period of time and sampling to avoid misjudgment
     nrf_lpcomp_task_trigger(NRF_LPCOMP_TASK_SAMPLE);
@@ -109,7 +109,7 @@ static void pwm_handler(nrfx_pwm_evt_type_t event_type) {
     bsp_delay_ms(1);
     // We don't need any events, but only need to detect the state of the field
     NRF_LPCOMP->INTENCLR = LPCOMP_INTENCLR_CROSS_Msk | LPCOMP_INTENCLR_UP_Msk | LPCOMP_INTENCLR_DOWN_Msk | LPCOMP_INTENCLR_READY_Msk;
-    if (lf_is_field_exists()) {
+    if (is_lf_field_exists()) {
         nrfx_lpcomp_disable();
         nrfx_pwm_simple_playback(&m_broadcast, m_pwm_seq, LF_125KHZ_BROADCAST_MAX, NRFX_PWM_FLAG_STOP);
     } else {
@@ -136,7 +136,7 @@ static void pwm_init(void) {
 static void lf_sense_enable(void) {
     lpcomp_init();
     pwm_init();  // use precise hardware timer to broadcast card id
-    if (lf_is_field_exists()) {
+    if (is_lf_field_exists()) {
         lpcomp_event_handler(NRF_LPCOMP_EVENT_UP);
     }
 }
diff --git a/firmware/application/src/rfid/nfctag/lf/lf_tag_em.h b/firmware/application/src/rfid/nfctag/lf/lf_tag_em.h
index 0ae3dc3..335ee60 100644
--- a/firmware/application/src/rfid/nfctag/lf/lf_tag_em.h
+++ b/firmware/application/src/rfid/nfctag/lf/lf_tag_em.h
@@ -14,4 +14,4 @@ int lf_tag_em410x_data_savecb(tag_specific_type_t type, tag_data_buffer_t *buffe
 bool lf_tag_em410x_data_factory(uint8_t slot, tag_specific_type_t tag_type);
 int lf_tag_hidprox_data_savecb(tag_specific_type_t type, tag_data_buffer_t *buffer);
 bool lf_tag_hidprox_data_factory(uint8_t slot, tag_specific_type_t tag_type);
-bool lf_is_field_exists(void);
+bool is_lf_field_exists(void);
diff --git a/firmware/application/src/rfid/nfctag/tag_emulation.c b/firmware/application/src/rfid/nfctag/tag_emulation.c
index b3fe48e..41b068e 100644
--- a/firmware/application/src/rfid/nfctag/tag_emulation.c
+++ b/firmware/application/src/rfid/nfctag/tag_emulation.c
@@ -590,7 +590,7 @@ void tag_emulation_change_slot(uint8_t index, bool sense_disable) {
 /**
  * Determine whether the specified card slot is enabled
  */
-bool tag_emulation_slot_is_enabled(uint8_t slot, tag_sense_type_t sense_type) {
+bool is_slot_enabled(uint8_t slot, tag_sense_type_t sense_type) {
     if (sense_type == TAG_SENSE_LF) {
         return slotConfig.slots[slot].enabled_lf;
     }
diff --git a/firmware/application/src/rfid/nfctag/tag_emulation.h b/firmware/application/src/rfid/nfctag/tag_emulation.h
index 1725e0d..9b3173a 100644
--- a/firmware/application/src/rfid/nfctag/tag_emulation.h
+++ b/firmware/application/src/rfid/nfctag/tag_emulation.h
@@ -104,7 +104,7 @@ uint8_t tag_emulation_get_slot(void);
 // Switch the card slot to control whether the passing parameter control is closed during the switching period to listen to
 void tag_emulation_change_slot(uint8_t index, bool sense_disable);
 // Get the card slot to enable the state
-bool tag_emulation_slot_is_enabled(uint8_t slot, tag_sense_type_t sense_type);
+bool is_slot_enabled(uint8_t slot, tag_sense_type_t sense_type);
 // Set the card slot to enable
 void tag_emulation_slot_set_enable(uint8_t slot, tag_sense_type_t sense_type, bool enable);
 // Get the emulation card type of the corresponding card slot
diff --git a/firmware/application/src/rfid/reader/lf/lf_reader_main.c b/firmware/application/src/rfid/reader/lf/lf_reader_main.c
index 02e8565..3911ee6 100644
--- a/firmware/application/src/rfid/reader/lf/lf_reader_main.c
+++ b/firmware/application/src/rfid/reader/lf/lf_reader_main.c
@@ -110,4 +110,4 @@ uint8_t write_hidprox_to_t55xx(uint8_t format, uint32_t fc, uint64_t cn, uint32_
 /**
  * Set the LF card scanning timeout value (in milliseconds).
  */
-void SetScanTagTimeout(uint32_t ms) { g_timeout_readem_ms = ms; }
\ No newline at end of file
+void set_scan_tag_timeout(uint32_t ms) { g_timeout_readem_ms = ms; }
\ No newline at end of file
diff --git a/firmware/application/src/rfid/reader/lf/lf_reader_main.h b/firmware/application/src/rfid/reader/lf/lf_reader_main.h
index 6ced7de..a411e92 100644
--- a/firmware/application/src/rfid/reader/lf/lf_reader_main.h
+++ b/firmware/application/src/rfid/reader/lf/lf_reader_main.h
@@ -8,7 +8,7 @@
 #include "lf_125khz_radio.h"
 #include "lf_em410x_data.h"
 
-void SetScanTagTimeout(uint32_t ms);
+void set_scan_tag_timeout(uint32_t ms);
 
 uint8_t scan_em410x(uint8_t *uid);
 uint8_t write_em410x_to_t55xx(uint8_t *uid, uint8_t *newkey, uint8_t *old_keys, uint8_t old_key_count);
diff --git a/firmware/application/src/rfid_main.c b/firmware/application/src/rfid_main.c
index 95d6c62..730c0e8 100644
--- a/firmware/application/src/rfid_main.c
+++ b/firmware/application/src/rfid_main.c
@@ -107,8 +107,8 @@ device_mode_t get_device_mode(void) {
 uint8_t get_color_by_slot(uint8_t slot) {
     tag_slot_specific_type_t tag_types;
     tag_emulation_get_specific_types_by_slot(slot, &tag_types);
-    bool enabled_lf = tag_emulation_slot_is_enabled(slot, TAG_SENSE_LF);
-    bool enabled_hf = tag_emulation_slot_is_enabled(slot, TAG_SENSE_HF);
+    bool enabled_lf = is_slot_enabled(slot, TAG_SENSE_LF);
+    bool enabled_hf = is_slot_enabled(slot, TAG_SENSE_HF);
     if (tag_types.tag_hf != TAG_TYPE_UNDEFINED && tag_types.tag_lf != TAG_TYPE_UNDEFINED && enabled_hf && enabled_lf) {
         return 0;   // Dual -frequency card emulation, return R, indicate a dual -frequency card
     } else if (tag_types.tag_hf != TAG_TYPE_UNDEFINED && enabled_hf) {   //High -frequency emulation, return G