diff --git a/firmware/application/src/rfid/nfctag/tag_emulation.c b/firmware/application/src/rfid/nfctag/tag_emulation.c
index 849cd03..b65da99 100644
--- a/firmware/application/src/rfid/nfctag/tag_emulation.c
+++ b/firmware/application/src/rfid/nfctag/tag_emulation.c
@@ -384,7 +384,7 @@ void tag_emulation_sense_switch(tag_sense_type_t type, bool enable) {
  */
 void tag_emulation_load_config(void) {
     // 读取卡槽配置数据
-    bool ret = fds_read_sync(FDS_CONFIG_RECORD_FILE_ID, FDS_CONFIG_RECORD_FILE_KEY, sizeof(slotConfig), (uint8_t *)&slotConfig);
+    bool ret = fds_read_sync(FDS_EMULATION_CONFIG_FILE_ID, FDS_EMULATION_CONFIG_RECORD_KEY, sizeof(slotConfig), (uint8_t *)&slotConfig);
     if (ret) {
         // 读取完成后，我们先保存一份当前配置的BCC，后面保存的时候可以作为变动对比的参考
         calc_14a_crc_lut((uint8_t *)&slotConfig, sizeof(slotConfig), (uint8_t *)&m_slot_config_crc);
@@ -403,7 +403,7 @@ void tag_emulation_save_config(void) {
     calc_14a_crc_lut((uint8_t *)&slotConfig, sizeof(slotConfig), (uint8_t *)&new_calc_crc);
     if (new_calc_crc != m_slot_config_crc) {    // 在保存之前，先确保卡槽配置有变动了
         NRF_LOG_INFO("Save tag slot config start.");
-        bool ret = fds_write_sync(FDS_CONFIG_RECORD_FILE_ID, FDS_CONFIG_RECORD_FILE_KEY, sizeof(slotConfig) / 4, (uint8_t *)&slotConfig);
+        bool ret = fds_write_sync(FDS_EMULATION_CONFIG_FILE_ID, FDS_EMULATION_CONFIG_RECORD_KEY, sizeof(slotConfig) / 4, (uint8_t *)&slotConfig);
         if (ret) {
             NRF_LOG_INFO("Save tag slot config success.");
         } else {
diff --git a/firmware/application/src/rfid/nfctag/tag_persistence.c b/firmware/application/src/rfid/nfctag/tag_persistence.c
index 4997be2..dbfa15e 100644
--- a/firmware/application/src/rfid/nfctag/tag_persistence.c
+++ b/firmware/application/src/rfid/nfctag/tag_persistence.c
@@ -9,35 +9,24 @@ NRF_LOG_MODULE_REGISTER();
 
 
 
-void get_fds_map_by_slot_auto_inc_id(uint16_t key, uint16_t id, uint8_t slot, tag_sense_type_t sense_type, fds_slot_record_map_t* map) {
-    map->key = key + slot;
-    uint8_t base_id = 0;
-    switch(sense_type) {
-        case TAG_SENSE_HF:
-            base_id = 0;
-            break;
-        case TAG_SENSE_LF:
-            base_id = 1;
-            break;
-        case TAG_SENSE_NO:
-            // never to here...(if dev wrong, must fix)
-            APP_ERROR_CHECK(NRF_ERROR_INVALID_PARAM);
+static void get_fds_map_by_slot_auto_inc_id(uint16_t id, uint8_t slot, tag_sense_type_t sense_type, fds_slot_record_map_t* map) {
+    if ((sense_type == TAG_SENSE_NO) || (slot > 7)) {
+        APP_ERROR_CHECK(NRF_ERROR_INVALID_PARAM);
     }
-    map->id = id + base_id;
+    map->id = id + slot;
+    map->key = sense_type;
 }
 
-
 /**
- * 根据卡槽和卡槽中指定的场类型获得其在FDS中对应的数据的KEY和ID
+ * Obtain the KEY and ID of the corresponding data in FDS according to the card slot and the field type specified in the card slot
  */
 void get_fds_map_by_slot_sense_type_for_dump(uint8_t slot, tag_sense_type_t sense_type, fds_slot_record_map_t* map) {
-    // 根据 @see FDS_SLOT_TAG_DUMP_FILE_KEY 的约定，每个slot以其为起点，每个slot都有其单独的key的record，并且每个slot中独特的场类型也有一个数据的id
-    get_fds_map_by_slot_auto_inc_id(FDS_SLOT_TAG_DUMP_FILE_KEY, FDS_SLOT_TAG_DUMP_FILE_ID, slot, sense_type, map);
+    get_fds_map_by_slot_auto_inc_id(FDS_SLOT_TAG_DUMP_FILE_ID_BASE, slot, sense_type, map);
 }
 
 /**
- * 根据卡槽和卡槽中指定的场类型获得其在FDS中对应的数据的KEY和ID
+ * Obtain the KEY and ID of the corresponding data in FDS according to the card slot and the field type specified in the card slot
  */
 void get_fds_map_by_slot_sense_type_for_nick(uint8_t slot, tag_sense_type_t sense_type, fds_slot_record_map_t* map) {
-    get_fds_map_by_slot_auto_inc_id(FDS_SLOT_TAG_NICK_NAME_KEY, FDS_SLOT_TAG_NICK_NAME_ID, slot, sense_type, map);
+    get_fds_map_by_slot_auto_inc_id(FDS_SLOT_TAG_NICK_NAME_FILE_ID_BASE, slot, sense_type, map);
 }
diff --git a/firmware/application/src/settings.c b/firmware/application/src/settings.c
index 944060c..aa76743 100644
--- a/firmware/application/src/settings.c
+++ b/firmware/application/src/settings.c
@@ -62,7 +62,7 @@ void settings_migrate(void)
 
 void settings_load_config(void)
 {
-    bool ret = fds_read_sync(FDS_SETTINGS_ID, FDS_SETTINGS_KEY, sizeof(config), (uint8_t *)&config);
+    bool ret = fds_read_sync(FDS_SETTINGS_FILE_ID, FDS_SETTINGS_RECORD_KEY, sizeof(config), (uint8_t *)&config);
     if (ret) {
         NRF_LOG_INFO("Load config done.");
         // After the reading is complete, we first save a copy of the current CRC, which can be used as a reference for comparison of changes when saving later
@@ -89,7 +89,7 @@ uint8_t settings_save_config(void)
     // We are saving the configuration, we need to calculate the crc code of the current configuration to judge whether the following data is updated
     if (config_did_change()) {    // Before saving, make sure that the configuration has changed
         NRF_LOG_INFO("Save config start.");
-        bool ret = fds_write_sync(FDS_SETTINGS_ID, FDS_SETTINGS_KEY, sizeof(config) / 4, (uint8_t *)&config);
+        bool ret = fds_write_sync(FDS_SETTINGS_FILE_ID, FDS_SETTINGS_RECORD_KEY, sizeof(config) / 4, (uint8_t *)&config);
         if (ret) {
             NRF_LOG_INFO("Save config success.");
             update_config_crc();
diff --git a/firmware/application/src/utils/fds_ids.h b/firmware/application/src/utils/fds_ids.h
index ca11e2e..eb8e86b 100644
--- a/firmware/application/src/utils/fds_ids.h
+++ b/firmware/application/src/utils/fds_ids.h
@@ -2,29 +2,37 @@
 #define FDS_IDS_H
 
 /*
- * 卡槽配置，只有一份，一致即可
+ * Card slot configuration, only one, consistent
  */
-#define FDS_CONFIG_RECORD_FILE_KEY   0x1066
-#define FDS_CONFIG_RECORD_FILE_ID    0x1066
-
-/*
- * 每个卡槽有高低频两种数据，其中key是跟卡槽走的，而id+n就等于数据索引，固定某个索引为指定类型即可
- * 每个slot的file_key都不一样
- * 每个slot有两种类型的卡片，因此有两个数据ID（当前）
- */
-#define FDS_SLOT_TAG_DUMP_FILE_KEY   0x1067
-#define FDS_SLOT_TAG_DUMP_FILE_ID    0x1067
-
-/*
- * 每个卡槽有高低频两种数据，因此卡槽的昵称也要有两种，其中key是跟卡槽走的，而id+n就等于数据索引，固定某个索引为指定类型即可
- */
-#define FDS_SLOT_TAG_NICK_NAME_KEY   0x1068
-#define FDS_SLOT_TAG_NICK_NAME_ID    0x1068
+#define FDS_EMULATION_CONFIG_FILE_ID        0x1000
+#define FDS_EMULATION_CONFIG_RECORD_KEY     0x1
 
 /*
  * Slot for settings like LED animation mode and future options
  */
-#define FDS_SETTINGS_KEY        0x1069
-#define FDS_SETTINGS_ID         0x1069
+#define FDS_SETTINGS_FILE_ID                0x1001
+#define FDS_SETTINGS_RECORD_KEY             0x1
 
-#endif
\ No newline at end of file
+/*
+ * Each card slot has two types of data, high and low frequency
+ * FDS file ID follows the card slot, starting from 0x1100 to 0x1107
+ * FDS record key mirrors TAG_SENSE_LF/HF so is 1 for LF, 2 for HF (currently)
+ */
+#define FDS_SLOT_TAG_DUMP_FILE_ID_BASE      0x1100
+
+/*
+ * Each card slot has two types of data, high and low frequency, so it can get two names
+ * FDS file ID follows the card slot, starting from 0x1200 to 0x1207
+ * FDS record key mirrors TAG_SENSE_LF/HF so is 1 for LF, 2 for HF (currently)
+ */
+#define FDS_SLOT_TAG_NICK_NAME_FILE_ID_BASE 0x1200
+
+// Note that previously assigned records may need to be cleaned from Flash.
+// Taking into account the possible overlaps, it boils down to
+// ID 0x1066 Keys 0x1066
+// ID 0x1067 Keys 0x1067-0x106e
+// ID 0x1068 Keys 0x1067-0x106f
+// ID 0x1069 Keys 0x1068-0x1070
+
+
+#endif