diff --git a/JBao_JL7016_MOD_FW/AC701N.cbp b/JBao_JL7016_MOD_FW/AC701N.cbp
index a09401d..3dd8d59 100644
--- a/JBao_JL7016_MOD_FW/AC701N.cbp
+++ b/JBao_JL7016_MOD_FW/AC701N.cbp
@@ -176,7 +176,7 @@
 					<Add directory="apps/usr_le_code/thirdpart" />
 					<Add directory="apps/usr_mcu_bridge" />
 					<Add directory="apps/usr_mcu_bridge/protocol" />
-					<Add directory="apps/usr_mcu_bridge/business" />
+					<Add directory="apps/usr_mcu_bridge/logic" />
 					<Add directory="apps/usr_ota" />
 					<Add directory="apps/usr_periph" />
 				</Compiler>
@@ -787,41 +787,41 @@
 		<Unit filename="apps/usr_le_code/usr_le_recieve.c">
 			<Option compilerVar="CC" />
 		</Unit>
-		<Unit filename="apps/usr_mcu_bridge/business/mcu_business.c">
+		<Unit filename="apps/usr_mcu_bridge/logic/mcu_logic.c">
 			<Option compilerVar="CC" />
 		</Unit>
-		<Unit filename="apps/usr_mcu_bridge/business/mcu_business.h" />
-		<Unit filename="apps/usr_mcu_bridge/business/mcu_identity.c">
+		<Unit filename="apps/usr_mcu_bridge/logic/mcu_logic.h" />
+		<Unit filename="apps/usr_mcu_bridge/logic/mcu_identity.c">
 			<Option compilerVar="CC" />
 		</Unit>
-		<Unit filename="apps/usr_mcu_bridge/business/mcu_identity.h" />
-		<Unit filename="apps/usr_mcu_bridge/business/mcu_link_status.c">
+		<Unit filename="apps/usr_mcu_bridge/logic/mcu_identity.h" />
+		<Unit filename="apps/usr_mcu_bridge/logic/mcu_link_status.c">
 			<Option compilerVar="CC" />
 		</Unit>
-		<Unit filename="apps/usr_mcu_bridge/business/mcu_link_status.h" />
-		<Unit filename="apps/usr_mcu_bridge/business/mcu_mgmt.c">
+		<Unit filename="apps/usr_mcu_bridge/logic/mcu_link_status.h" />
+		<Unit filename="apps/usr_mcu_bridge/logic/mcu_mgmt.c">
 			<Option compilerVar="CC" />
 		</Unit>
-		<Unit filename="apps/usr_mcu_bridge/business/mcu_ota.c">
+		<Unit filename="apps/usr_mcu_bridge/logic/mcu_ota.c">
 			<Option compilerVar="CC" />
 		</Unit>
-		<Unit filename="apps/usr_mcu_bridge/business/mcu_ota.h" />
+		<Unit filename="apps/usr_mcu_bridge/logic/mcu_ota.h" />
 		<Unit filename="apps/usr_ota/usr_ota.c">
 			<Option compilerVar="CC" />
 		</Unit>
 		<Unit filename="apps/usr_ota/usr_ota.h" />
-		<Unit filename="apps/usr_mcu_bridge/business/mcu_pairing.c">
+		<Unit filename="apps/usr_mcu_bridge/logic/mcu_pairing.c">
 			<Option compilerVar="CC" />
 		</Unit>
-		<Unit filename="apps/usr_mcu_bridge/business/mcu_pairing.h" />
-		<Unit filename="apps/usr_mcu_bridge/business/mcu_time.c">
+		<Unit filename="apps/usr_mcu_bridge/logic/mcu_pairing.h" />
+		<Unit filename="apps/usr_mcu_bridge/logic/mcu_time.c">
 			<Option compilerVar="CC" />
 		</Unit>
 		<Unit filename="apps/usr_periph/usr_rtc.c">
 			<Option compilerVar="CC" />
 		</Unit>
 		<Unit filename="apps/usr_periph/usr_rtc.h" />
-		<Unit filename="apps/usr_mcu_bridge/business/mcu_version.c">
+		<Unit filename="apps/usr_mcu_bridge/logic/mcu_version.c">
 			<Option compilerVar="CC" />
 		</Unit>
 		<Unit filename="apps/usr_mcu_bridge/mcu_bridge.c">
diff --git a/JBao_JL7016_MOD_FW/Makefile b/JBao_JL7016_MOD_FW/Makefile
index 7236058..b810211 100644
--- a/JBao_JL7016_MOD_FW/Makefile
+++ b/JBao_JL7016_MOD_FW/Makefile
@@ -262,7 +262,7 @@ INCLUDES := \
 	-Iapps/usr_le_code/thirdpart/mjson \
 	-Iapps/usr_mcu_bridge \
 	-Iapps/usr_mcu_bridge/protocol \
-	-Iapps/usr_mcu_bridge/business \
+	-Iapps/usr_mcu_bridge/logic \
 	-Iapps/usr_ota \
 	-Iapps/usr_periph \
 	-I$(SYS_INC_DIR) \
@@ -400,16 +400,16 @@ c_SRC_FILES := \
 	apps/usr_le_code/thirdpart/mjson/mjson.c \
 	apps/usr_le_code/usr_le_adv.c \
 	apps/usr_le_code/usr_le_recieve.c \
-	apps/usr_mcu_bridge/business/mcu_business.c \
-	apps/usr_mcu_bridge/business/mcu_identity.c \
-	apps/usr_mcu_bridge/business/mcu_link_status.c \
-	apps/usr_mcu_bridge/business/mcu_mgmt.c \
-	apps/usr_mcu_bridge/business/mcu_ota.c \
+	apps/usr_mcu_bridge/logic/mcu_logic.c \
+	apps/usr_mcu_bridge/logic/mcu_identity.c \
+	apps/usr_mcu_bridge/logic/mcu_link_status.c \
+	apps/usr_mcu_bridge/logic/mcu_mgmt.c \
+	apps/usr_mcu_bridge/logic/mcu_ota.c \
 	apps/usr_ota/usr_ota.c \
-	apps/usr_mcu_bridge/business/mcu_pairing.c \
-	apps/usr_mcu_bridge/business/mcu_time.c \
+	apps/usr_mcu_bridge/logic/mcu_pairing.c \
+	apps/usr_mcu_bridge/logic/mcu_time.c \
 	apps/usr_periph/usr_rtc.c \
-	apps/usr_mcu_bridge/business/mcu_version.c \
+	apps/usr_mcu_bridge/logic/mcu_version.c \
 	apps/usr_mcu_bridge/mcu_bridge.c \
 	apps/usr_mcu_bridge/protocol/mcu_frame.c \
 	apps/usr_mcu_bridge/protocol/mcu_protocol.c \
diff --git a/JBao_JL7016_MOD_FW/apps/usr_le_code/usr_le_product.h b/JBao_JL7016_MOD_FW/apps/usr_le_code/usr_le_product.h
index 11382d3..d1b543b 100644
--- a/JBao_JL7016_MOD_FW/apps/usr_le_code/usr_le_product.h
+++ b/JBao_JL7016_MOD_FW/apps/usr_le_code/usr_le_product.h
@@ -8,7 +8,7 @@
  * - V1.0.0, 2026.08.03, cyWu, 首次发布
  * - V1.1.0, 2026.08.06, cyWu, 改为非 const，由 mcu_bridge 从 MCU 0x02 写入
  * - V1.2.0, 2026.08.12, cyWu, 改由 mcu_link 从 MCU 0x02 写入
- * - V1.3.0, 2026.08.12, cyWu, 改由 business/mcu_identity 从 MCU 0x02 写入
+ * - V1.3.0, 2026.08.12, cyWu, 改由 logic/mcu_identity 从 MCU 0x02 写入
  ******************************************************************************/
 
 #ifndef __USR_LE_PRODUCT_H__
@@ -32,13 +32,13 @@ extern "C" {
 
 /**
  * @brief  产品类别码，对应 BLE 广播 prodcode（固定 4 字节 ASCII）
- * @note   由 business/mcu_identity 从 MCU 身份应答取前 4 字节写入
+ * @note   由 logic/mcu_identity 从 MCU 身份应答取前 4 字节写入
  */
 extern uint8_t g_usr_le_prodcode[USR_LE_PRODCODE_LEN];
 
 /**
  * @brief  平台产品码，对应 BLE 广播 pcode（固定 6 字节 ASCII）
- * @note   由 business/mcu_identity 从 MCU 身份应答取前 6 字节写入
+ * @note   由 logic/mcu_identity 从 MCU 身份应答取前 6 字节写入
  */
 extern uint8_t g_usr_le_pcode[USR_LE_PCODE_LEN];
 
diff --git a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_identity.c b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_identity.c
similarity index 100%
rename from JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_identity.c
rename to JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_identity.c
diff --git a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_identity.h b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_identity.h
similarity index 100%
rename from JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_identity.h
rename to JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_identity.h
diff --git a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_link_status.c b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_link_status.c
similarity index 100%
rename from JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_link_status.c
rename to JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_link_status.c
diff --git a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_link_status.h b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_link_status.h
similarity index 100%
rename from JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_link_status.h
rename to JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_link_status.h
diff --git a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_business.c b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_logic.c
similarity index 75%
rename from JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_business.c
rename to JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_logic.c
index 1f7f4a7..b783a57 100644
--- a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_business.c
+++ b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_logic.c
@@ -1,19 +1,20 @@
 /******************************************************************************
- * @file    mcu_business.c
- * @brief   业务门面实现
+ * @file    mcu_logic.c
+ * @brief   逻辑层入口实现：只转发到各功能模块
  * @author  cyWu <1917507415@qq.com>
  * @date    2026.09.11
- * @version V1.3.0
+ * @version V1.4.0
  * @history
- * - V1.0.0, 2026.08.12, cyWu, 取代原 mcu_link，编排三个业务子模块
+ * - V1.0.0, 2026.08.12, cyWu, 取代原 mcu_link，编排三个功能模块
  * - V1.1.0, 2026.08.13, cyWu, 编排 P1 管理/对时/版本
  * - V1.2.0, 2026.08.15, cyWu, 编排 P2 OTA；版本周期在 OTA 时让路
  * - V1.3.0, 2026.09.11, cyWu, APP 0x40 查询版本转 mcu_version
+ * - V1.4.0, 2026.09.11, cyWu, 由 mcu_business 更名为 mcu_logic
  ******************************************************************************/
 
 #include "system/includes.h"
 #include "app_main.h"
-#include "mcu_business.h"
+#include "mcu_logic.h"
 #include "mcu_cmd.h"
 #include "mcu_identity.h"
 #include "mcu_link_status.h"
@@ -24,17 +25,17 @@
 #include "mcu_ota.h"
 
 #define LOG_TAG_CONST APP
-#define LOG_TAG       "[MCU_BIZ]"
+#define LOG_TAG       "[MCU_LOGIC]"
 #define LOG_ERROR_ENABLE
 #define LOG_INFO_ENABLE
 #include "debug.h"
 
 /**
- * @brief  初始化业务层
+ * @brief  初始化逻辑层
  * @note   上电不强制配网；广播由 mcu_identity_on_ack 在身份就绪后按
  *         配对状态触发（usr_ble_adv_init 内部决策）
  */
-void mcu_business_init(void)
+void mcu_logic_init(void)
 {
     mcu_identity_init();
     mcu_pairing_init();
@@ -51,7 +52,7 @@ void mcu_business_init(void)
 /**
  * @brief  周期处理
  */
-void mcu_business_periodic(void)
+void mcu_logic_periodic(void)
 {
     mcu_identity_periodic();
     mcu_link_status_periodic();
@@ -69,7 +70,7 @@ void mcu_business_periodic(void)
  * @brief  是否身份就绪
  * @return 1/0
  */
-uint8_t mcu_business_is_identity_ready(void)
+uint8_t mcu_logic_is_identity_ready(void)
 {
     return mcu_identity_is_ready();
 }
@@ -78,7 +79,7 @@ uint8_t mcu_business_is_identity_ready(void)
  * @brief  获取工作状态
  * @return work_status
  */
-uint8_t mcu_business_get_work_status(void)
+uint8_t mcu_logic_get_work_status(void)
 {
     return mcu_link_status_get();
 }
@@ -88,7 +89,7 @@ uint8_t mcu_business_get_work_status(void)
  * @param  frame 完整帧
  * @param  len   长度
  */
-void mcu_business_on_identity_ack(const uint8_t *frame, uint16_t len)
+void mcu_logic_on_identity_ack(const uint8_t *frame, uint16_t len)
 {
     mcu_identity_on_ack(frame, len);
 }
@@ -98,7 +99,7 @@ void mcu_business_on_identity_ack(const uint8_t *frame, uint16_t len)
  * @param  mode      模式
  * @param  timeout_s 超时秒
  */
-void mcu_business_on_pair_cfg(uint8_t mode, uint16_t timeout_s)
+void mcu_logic_on_pair_cfg(uint8_t mode, uint16_t timeout_s)
 {
     mcu_pairing_start(mode, timeout_s);
 }
@@ -106,7 +107,7 @@ void mcu_business_on_pair_cfg(uint8_t mode, uint16_t timeout_s)
 /**
  * @brief  配网成功
  */
-void mcu_business_on_paired(void)
+void mcu_logic_on_paired(void)
 {
     usr_var.usr_goto_pair = 0;
     mcu_pairing_stop();
@@ -121,7 +122,7 @@ void mcu_business_on_paired(void)
  * @note   若正处于配网流程（phase==PAIRING），保持不变；
  *         否则（例如单纯清空配对表）回到未配网空闲
  */
-void mcu_business_on_pair_cleared(void)
+void mcu_logic_on_pair_cleared(void)
 {
     /* 正在走 0x10 配网：清配对表是配网流程的一部分，过程态保持 PAIRING。
      * 其它情况（单纯清空配对）才回到未配网空闲。 */
@@ -134,7 +135,7 @@ void mcu_business_on_pair_cleared(void)
 /**
  * @brief  恢复出厂
  */
-void mcu_business_on_factory_reset(void)
+void mcu_logic_on_factory_reset(void)
 {
     mcu_mgmt_on_factory_reset();
 }
@@ -142,7 +143,7 @@ void mcu_business_on_factory_reset(void)
 /**
  * @brief  模组重启
  */
-void mcu_business_on_mod_reboot(void)
+void mcu_logic_on_mod_reboot(void)
 {
     mcu_mgmt_on_mod_reboot();
 }
@@ -152,7 +153,7 @@ void mcu_business_on_mod_reboot(void)
  * @param  frame 完整帧
  * @param  len   长度
  */
-void mcu_business_on_mcu_reboot_ack(const uint8_t *frame, uint16_t len)
+void mcu_logic_on_mcu_reboot_ack(const uint8_t *frame, uint16_t len)
 {
     mcu_mgmt_on_mcu_reboot_ack(frame, len);
 }
@@ -162,7 +163,7 @@ void mcu_business_on_mcu_reboot_ack(const uint8_t *frame, uint16_t len)
  * @param  payload 输出
  * @param  plen    长度
  */
-void mcu_business_build_time_ack(uint8_t *payload, uint16_t *plen)
+void mcu_logic_build_time_ack(uint8_t *payload, uint16_t *plen)
 {
     mcu_time_build_ack(payload, plen);
 }
@@ -172,7 +173,7 @@ void mcu_business_build_time_ack(uint8_t *payload, uint16_t *plen)
  * @param  unix_s    UTC Unix 时间戳（秒）
  * @param  gmtoff_s  时区偏移
  */
-void mcu_business_on_network_time(uint64_t unix_s, int32_t gmtoff_s)
+void mcu_logic_on_network_time(uint64_t unix_s, int32_t gmtoff_s)
 {
     mcu_time_set_from_gateway(unix_s, gmtoff_s);
 }
@@ -182,7 +183,7 @@ void mcu_business_on_network_time(uint64_t unix_s, int32_t gmtoff_s)
  * @param  frame 完整帧
  * @param  len   长度
  */
-void mcu_business_on_mcu_info_ack(const uint8_t *frame, uint16_t len)
+void mcu_logic_on_mcu_info_ack(const uint8_t *frame, uint16_t len)
 {
     mcu_version_on_mcu_info_ack(frame, len);
 }
@@ -191,7 +192,7 @@ void mcu_business_on_mcu_info_ack(const uint8_t *frame, uint16_t len)
  * @brief  APP 0x40
  * @param  sn 序列号
  */
-void mcu_business_on_app_get_mcu_info(uint8_t sn)
+void mcu_logic_on_app_get_mcu_info(uint8_t sn)
 {
     mcu_version_on_app_query(sn);
 }
@@ -201,7 +202,7 @@ void mcu_business_on_app_get_mcu_info(uint8_t sn)
  * @param  success             成功
  * @param  mcu_report_consumed MCU 0x07 已消费
  */
-void mcu_business_on_gateway_ack(uint8_t success, uint8_t mcu_report_consumed)
+void mcu_logic_on_gateway_ack(uint8_t success, uint8_t mcu_report_consumed)
 {
     mcu_version_on_gateway_ack(success, mcu_report_consumed);
 }
@@ -209,7 +210,7 @@ void mcu_business_on_gateway_ack(uint8_t success, uint8_t mcu_report_consumed)
 /**
  * @brief  APP OTA 帧
  */
-void mcu_business_on_app_ota_frame(const uint8_t *frame, uint16_t len)
+void mcu_logic_on_app_ota_frame(const uint8_t *frame, uint16_t len)
 {
     mcu_ota_on_app_frame(frame, len);
 }
@@ -217,7 +218,7 @@ void mcu_business_on_app_ota_frame(const uint8_t *frame, uint16_t len)
 /**
  * @brief  MCU OTA 帧
  */
-void mcu_business_on_mcu_ota_frame(const uint8_t *frame, uint16_t len)
+void mcu_logic_on_mcu_ota_frame(const uint8_t *frame, uint16_t len)
 {
     mcu_ota_on_uart_frame(frame, len);
 }
@@ -225,7 +226,7 @@ void mcu_business_on_mcu_ota_frame(const uint8_t *frame, uint16_t len)
 /**
  * @brief  0x15
  */
-void mcu_business_on_ota_ws_ack(void)
+void mcu_logic_on_ota_ws_ack(void)
 {
     mcu_ota_on_work_status_ack();
 }
@@ -233,7 +234,7 @@ void mcu_business_on_ota_ws_ack(void)
 /**
  * @brief  BLE 断连
  */
-void mcu_business_on_ble_disconnected(void)
+void mcu_logic_on_ble_disconnected(void)
 {
     mcu_ota_on_disconnect();
 }
@@ -242,7 +243,7 @@ void mcu_business_on_ble_disconnected(void)
  * @brief  OTA 是否进行中
  * @return 1/0
  */
-uint8_t mcu_business_ota_is_active(void)
+uint8_t mcu_logic_ota_is_active(void)
 {
     return mcu_ota_is_active();
 }
@@ -251,7 +252,7 @@ uint8_t mcu_business_ota_is_active(void)
  * @brief  是否模组 OTA
  * @return 1/0
  */
-uint8_t mcu_business_ota_is_ble_active(void)
+uint8_t mcu_logic_ota_is_ble_active(void)
 {
     return mcu_ota_is_ble_active();
 }
diff --git a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_business.h b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_logic.h
similarity index 67%
rename from JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_business.h
rename to JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_logic.h
index 0434cb0..7a343db 100644
--- a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_business.h
+++ b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_logic.h
@@ -1,25 +1,26 @@
 /******************************************************************************
- * @file    mcu_business.h
- * @brief   业务门面：协调身份 / 配网 / 连接 / 管理 / 对时 / 版本
+ * @file    mcu_logic.h
+ * @brief   逻辑层入口：把协议层来的事分给身份 / 配网 / 版本 / OTA 等模块
  * @author  cyWu <1917507415@qq.com>
  * @date    2026.09.11
- * @version V1.3.0
+ * @version V1.4.0
  * @history
  * - V1.0.0, 2026.08.12, cyWu, 取代原 mcu_link，供协议层（mcu_protocol）
  *   单点调用；协议层不直接依赖 identity/pairing/link_status 三个子模块
  * - V1.1.0, 2026.08.13, cyWu, 接入 P1 管理/对时/版本子模块
- * - V1.2.0, 2026.08.15, cyWu, 接入 P2 OTA；协议层只经本门面访问 OTA
- * - V1.3.0, 2026.09.11, cyWu, APP 主动 0x40 查询版本走门面，不转 UART
+ * - V1.2.0, 2026.08.15, cyWu, 接入 P2 OTA；协议层只经本入口访问 OTA
+ * - V1.3.0, 2026.09.11, cyWu, APP 主动 0x40 查询版本走本入口，不转 UART
+ * - V1.4.0, 2026.09.11, cyWu, 由 mcu_business 更名为 mcu_logic
  ******************************************************************************/
 
-#ifndef __MCU_BUSINESS_H__
-#define __MCU_BUSINESS_H__
+#ifndef __MCU_LOGIC_H__
+#define __MCU_LOGIC_H__
 
 #include <stdint.h>
 
 /*============================================================================*/
 /* 说明                                                                       */
-/*   本模块只做业务编排，不含具体状态；具体逻辑见：                           */
+/*   本文件只做转发，不存状态。具体功能见：                                   */
 /*     mcu_identity.c    —— 身份获取                                         */
 /*     mcu_pairing.c     —— 配网请求 / 超时                                  */
 /*     mcu_link_status.c —— 连接状态位图（Bit0/1/2）                         */
@@ -31,74 +32,74 @@
 /*============================================================================*/
 
 /**
- * @brief  初始化业务层
+ * @brief  初始化逻辑层各功能模块
  */
-void mcu_business_init(void);
+void mcu_logic_init(void);
 
 /**
- * @brief  周期处理：依次驱动各子业务
+ * @brief  周期处理：依次驱动各功能模块
  */
-void mcu_business_periodic(void);
+void mcu_logic_periodic(void);
 
 /**
  * @brief  是否已从 MCU 获取到设备身份
  * @return 1=已就绪，0=未就绪
  */
-uint8_t mcu_business_is_identity_ready(void);
+uint8_t mcu_logic_is_identity_ready(void);
 
 /**
  * @brief  获取当前工作状态字节（命令 0x14 载荷）
  * @return 工作状态 bitmap
  */
-uint8_t mcu_business_get_work_status(void);
+uint8_t mcu_logic_get_work_status(void);
 
 /**
  * @brief  处理 0x02 身份应答
  * @param  frame 完整帧
  * @param  len   长度
  */
-void mcu_business_on_identity_ack(const uint8_t *frame, uint16_t len);
+void mcu_logic_on_identity_ack(const uint8_t *frame, uint16_t len);
 
 /**
  * @brief  处理已通过协议校验的 0x10 配网请求
  * @param  mode      1 或 2
  * @param  timeout_s 超时秒数，0 表示不超时
  */
-void mcu_business_on_pair_cfg(uint8_t mode, uint16_t timeout_s);
+void mcu_logic_on_pair_cfg(uint8_t mode, uint16_t timeout_s);
 
 /**
  * @brief  配网成功（AUTHSETUP 写对）
  */
-void mcu_business_on_paired(void);
+void mcu_logic_on_paired(void);
 
 /**
  * @brief  配对信息被清除
  */
-void mcu_business_on_pair_cleared(void);
+void mcu_logic_on_pair_cleared(void);
 
 /**
  * @brief  MCU 请求恢复出厂（协议层已 ACK）
  */
-void mcu_business_on_factory_reset(void);
+void mcu_logic_on_factory_reset(void);
 
 /**
  * @brief  MCU 请求模组重启（协议层已 ACK）
  */
-void mcu_business_on_mod_reboot(void);
+void mcu_logic_on_mod_reboot(void);
 
 /**
  * @brief  处理 UART 0x1B
  * @param  frame 完整帧
  * @param  len   长度
  */
-void mcu_business_on_mcu_reboot_ack(const uint8_t *frame, uint16_t len);
+void mcu_logic_on_mcu_reboot_ack(const uint8_t *frame, uint16_t len);
 
 /**
  * @brief  组 0x1D 载荷
  * @param  payload 输出缓冲
  * @param  plen    输出长度
  */
-void mcu_business_build_time_ack(uint8_t *payload, uint16_t *plen);
+void mcu_logic_build_time_ack(uint8_t *payload, uint16_t *plen);
 
 /**
  * @brief  写入网关网络时间
@@ -106,30 +107,30 @@ void mcu_business_build_time_ack(uint8_t *payload, uint16_t *plen);
  * @param  gmtoff_s  时区偏移秒
  * @note   网关从子设备连上开始计时，每 12 小时同步一次
  */
-void mcu_business_on_network_time(uint64_t unix_s, int32_t gmtoff_s);
+void mcu_logic_on_network_time(uint64_t unix_s, int32_t gmtoff_s);
 
 /**
  * @brief  处理 UART 0x41（仅本地解析）
  * @param  frame 完整帧
  * @param  len   长度
  */
-void mcu_business_on_mcu_info_ack(const uint8_t *frame, uint16_t len);
+void mcu_logic_on_mcu_info_ack(const uint8_t *frame, uint16_t len);
 
 /**
  * @brief  APP 主动 0x40 查询版本（不转 UART）
  * @param  sn APP 请求序列号
  */
-void mcu_business_on_app_get_mcu_info(uint8_t sn);
+void mcu_logic_on_app_get_mcu_info(uint8_t sn);
 
 /**
  * @brief  网关 REPORTCMD_V2 应答
  * @param  success              1=成功
  * @param  mcu_report_consumed  1=已按 MCU 0x07 回了 0x08
  */
-void mcu_business_on_gateway_ack(uint8_t success, uint8_t mcu_report_consumed);
+void mcu_logic_on_gateway_ack(uint8_t success, uint8_t mcu_report_consumed);
 
 /*============================================================================*/
-/* OTA（协议层只调门面，不直接 include mcu_ota.h）                           */
+/* OTA（协议层只调本入口，不直接 include mcu_ota.h）                         */
 /*============================================================================*/
 
 /**
@@ -137,35 +138,35 @@ void mcu_business_on_gateway_ack(uint8_t success, uint8_t mcu_report_consumed);
  * @param  frame 完整 55AA
  * @param  len   长度
  */
-void mcu_business_on_app_ota_frame(const uint8_t *frame, uint16_t len);
+void mcu_logic_on_app_ota_frame(const uint8_t *frame, uint16_t len);
 
 /**
  * @brief  MCU 上报 OTA 帧（0x31/0x33/0x34/0x37/0x38）
  * @param  frame 完整 55AA
  * @param  len   长度
  */
-void mcu_business_on_mcu_ota_frame(const uint8_t *frame, uint16_t len);
+void mcu_logic_on_mcu_ota_frame(const uint8_t *frame, uint16_t len);
 
 /**
  * @brief  UART 0x15 到达（BLE OTA 置 Bit6 后）
  */
-void mcu_business_on_ota_ws_ack(void);
+void mcu_logic_on_ota_ws_ack(void);
 
 /**
  * @brief  BLE 断连：中止 OTA 会话（不切 bank、不复位）
  */
-void mcu_business_on_ble_disconnected(void);
+void mcu_logic_on_ble_disconnected(void);
 
 /**
  * @brief  是否有 OTA 会话（心跳/0x14/版本上报据此让路）
  * @return 1=是
  */
-uint8_t mcu_business_ota_is_active(void);
+uint8_t mcu_logic_ota_is_active(void);
 
 /**
  * @brief  是否模组（BLE）OTA（据此丢弃 MCU 0x07）
  * @return 1=是
  */
-uint8_t mcu_business_ota_is_ble_active(void);
+uint8_t mcu_logic_ota_is_ble_active(void);
 
-#endif /* __MCU_BUSINESS_H__ */
+#endif /* __MCU_LOGIC_H__ */
diff --git a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_mgmt.c b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_mgmt.c
similarity index 100%
rename from JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_mgmt.c
rename to JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_mgmt.c
diff --git a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_mgmt.h b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_mgmt.h
similarity index 100%
rename from JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_mgmt.h
rename to JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_mgmt.h
diff --git a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_ota.c b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_ota.c
similarity index 100%
rename from JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_ota.c
rename to JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_ota.c
diff --git a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_ota.h b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_ota.h
similarity index 100%
rename from JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_ota.h
rename to JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_ota.h
diff --git a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_pairing.c b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_pairing.c
similarity index 97%
rename from JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_pairing.c
rename to JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_pairing.c
index d4ff011..408e72a 100644
--- a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_pairing.c
+++ b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_pairing.c
@@ -91,7 +91,7 @@ void mcu_pairing_periodic(void)
     if (s_pairing.timeout_s == 0) {
         return;
     }
-    /* 已经配上：切态由 mcu_business_on_paired 做，这里别抢 */
+    /* 已经配上：切态由 mcu_logic_on_paired 做，这里别抢 */
     if (usr_get_pair_flag()) {
         return;
     }
diff --git a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_pairing.h b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_pairing.h
similarity index 100%
rename from JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_pairing.h
rename to JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_pairing.h
diff --git a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_time.c b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_time.c
similarity index 100%
rename from JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_time.c
rename to JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_time.c
diff --git a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_time.h b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_time.h
similarity index 100%
rename from JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_time.h
rename to JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_time.h
diff --git a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_version.c b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_version.c
similarity index 100%
rename from JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_version.c
rename to JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_version.c
diff --git a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_version.h b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_version.h
similarity index 100%
rename from JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/business/mcu_version.h
rename to JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/logic/mcu_version.h
diff --git a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/mcu_bridge.c b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/mcu_bridge.c
index 065eb5f..5d6e375 100644
--- a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/mcu_bridge.c
+++ b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/mcu_bridge.c
@@ -2,8 +2,8 @@
  * @file    mcu_bridge.c
  * @brief   BLE+MCU 接入模块对外总入口实现（组合门面，仅转调）
  * @author  cyWu <1917507415@qq.com>
- * @date    2026.08.13
- * @version V2.1.0
+ * @date    2026.09.11
+ * @version V2.3.0
  * @history
  * - V1.0.0, 2026.08.06, cyWu, 首次发布
  * - V1.1.0, 2026.08.06, cyWu, 改为事件队列 + 独立任务驱动
@@ -13,11 +13,12 @@
  * - V2.0.0, 2026.08.12, cyWu, 拆分为 protocol/ + business/ 分层，
  *   本文件收敛为纯组合门面，不再持有任何状态
  * - V2.1.0, 2026.08.13, cyWu, P1 增加网络时间入口
+ * - V2.3.0, 2026.09.11, cyWu, 转调 mcu_logic（原 mcu_business）
  ******************************************************************************/
 
 #include "mcu_bridge.h"
 #include "mcu_protocol.h"
-#include "mcu_business.h"
+#include "mcu_logic.h"
 
 /**
  * @brief  初始化 MCU 接入模块
@@ -45,15 +46,15 @@ void mcu_bridge_on_app_frame(const uint8_t *data, uint16_t len)
 }
 
 /**
- * @brief  身份是否就绪，转调业务门面
+ * @brief  身份是否就绪，转调逻辑层
  */
 uint8_t mcu_bridge_is_identity_ready(void)
 {
-    return mcu_business_is_identity_ready();
+    return mcu_logic_is_identity_ready();
 }
 
 /**
- * @brief  配网成功：经协议层事件队列串行化，再转业务门面处理
+ * @brief  配网成功：经协议层事件队列串行化，再转逻辑层处理
  */
 void mcu_bridge_on_paired(void)
 {
@@ -69,11 +70,11 @@ void mcu_bridge_on_pair_cleared(void)
 }
 
 /**
- * @brief  获取工作状态，转调业务门面
+ * @brief  获取工作状态，转调逻辑层
  */
 uint8_t mcu_bridge_get_work_status(void)
 {
-    return mcu_business_get_work_status();
+    return mcu_logic_get_work_status();
 }
 
 /**
@@ -99,7 +100,7 @@ void mcu_bridge_on_network_time(uint64_t unix_s, int32_t gmtoff_s)
  */
 void mcu_bridge_on_ble_disconnected(void)
 {
-    if (!mcu_business_ota_is_active()) {
+    if (!mcu_logic_ota_is_active()) {
         return;
     }
     mcu_protocol_notify_disconnected();
@@ -111,5 +112,5 @@ void mcu_bridge_on_ble_disconnected(void)
  */
 uint8_t mcu_bridge_ota_is_active(void)
 {
-    return mcu_business_ota_is_active();
+    return mcu_logic_ota_is_active();
 }
diff --git a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/mcu_bridge.h b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/mcu_bridge.h
index ea55b30..d225e1a 100644
--- a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/mcu_bridge.h
+++ b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/mcu_bridge.h
@@ -2,8 +2,8 @@
  * @file    mcu_bridge.h
  * @brief   BLE+MCU 接入模块对外总入口（组合门面）
  * @author  cyWu <1917507415@qq.com>
- * @date    2026.08.13
- * @version V2.1.0
+ * @date    2026.09.11
+ * @version V2.3.0
  * @history
  * - V1.0.0, 2026.08.06, cyWu, 首次发布
  * - V1.1.0, 2026.08.06, cyWu, 内部改为事件队列 + 独立任务驱动
@@ -13,6 +13,7 @@
  *   外部调用方（app_main.c / usr_le_adv.c / usr_le_recieve.c 等）无需改动
  * - V2.1.0, 2026.08.13, cyWu, P1 增加网络时间入口；业务子模块扩到管理/对时/版本
  * - V2.2.0, 2026.08.15, cyWu, P2 OTA 入口走本门面，usr_le_code 不再 include mcu_ota.h
+ * - V2.3.0, 2026.09.11, cyWu, business 更名为 logic（逻辑层），入口改为 mcu_logic
  ******************************************************************************/
 
 #ifndef __MCU_BRIDGE_H__
@@ -26,28 +27,28 @@
 /*                                                                            */
 /*   apps/usr_mcu_bridge/                                                    */
 /*   ├── mcu_bridge.c/h        —— 本文件：组合根，稳定对外 API              */
-/*   ├── protocol/             —— 协议层：只做协议机制，不含业务判断         */
+/*   ├── protocol/             —— 协议层：组帧、收发、ACK、心跳，不管具体功能 */
 /*   │   ├── mcu_cmd.h          命令字 / 结果码 / work_status 位定义         */
 /*   │   ├── mcu_frame.c/h      55AA 组帧/解帧                              */
 /*   │   ├── mcu_uart.c/h       UART 收发驱动                                */
 /*   │   ├── mcu_util.c/h       校验和/大端序/毫秒工具                       */
 /*   │   └── mcu_protocol.c/h   事件队列/任务/分发/ACK/透传重传/心跳         */
-/*   └── business/             —— 业务层：按业务拆分，互不直接依赖对方实现   */
-/*       ├── mcu_identity.c/h      身份业务（0x01/0x02）                    */
-/*       ├── mcu_pairing.c/h       配网业务（0x10、超时）                   */
-/*       ├── mcu_link_status.c/h   连接状态业务（Bit0/1/2/6 位图）          */
+/*   └── logic/                —— 逻辑层：配网、版本、OTA 等具体功能         */
+/*       ├── mcu_identity.c/h      身份（0x01/0x02）                        */
+/*       ├── mcu_pairing.c/h       配网（0x10、超时）                       */
+/*       ├── mcu_link_status.c/h   连接状态位图（Bit0/1/2/6）               */
 /*       ├── mcu_mgmt.c/h          模组管理（0x16/0x18/0x1A）               */
 /*       ├── mcu_time.c/h          对时（0x1C/0x1D，写入 usr_rtc）          */
 /*       ├── mcu_version.c/h       MCU 信息 + SOC 0x41 上报                 */
-/*       ├── mcu_ota.c/h           P2 OTA：Type 分流 / MCU 透传 / Bit6      */
-/*       └── mcu_business.c/h      业务门面：协调子模块，供协议层调用       */
+/*       ├── mcu_ota.c/h           OTA：Type 分流 / MCU 透传 / Bit6         */
+/*       └── mcu_logic.c/h         逻辑层入口：协议层只调这里，再分到各模块  */
 /*                                                                            */
 /*   依赖方向（单向，禁止反向 include）：                                    */
 /*     usr_le_code / app_main → mcu_bridge.h                                */
-/*     mcu_bridge → mcu_protocol + mcu_business（门面）                     */
-/*     mcu_protocol → mcu_business.h（不 include 业务子模块）               */
-/*     mcu_business 门面 → identity/pairing/link/mgmt/time/version/ota      */
-/*     业务子模块互不 include；只经 mcu_protocol_send_* 回调协议层发送       */
+/*     mcu_bridge → mcu_protocol + mcu_logic                                */
+/*     mcu_protocol → mcu_logic.h（不直接 include 各功能模块）              */
+/*     mcu_logic → identity/pairing/link/mgmt/time/version/ota              */
+/*     功能模块互不 include；只经 mcu_protocol_send_* 回调协议层发送        */
 /*     mcu_ota → usr_ota（协议无关 dual_bank 引擎，不感知 55AA）            */
 /*============================================================================*/
 
@@ -69,7 +70,7 @@ typedef enum {
 /*============================================================================*/
 
 /**
- * @brief  初始化 MCU 接入模块（组合 protocol + business）
+ * @brief  初始化 MCU 接入模块（组合协议层 + 逻辑层）
  * @return McuBridge_Ret_t
  */
 McuBridge_Ret_t mcu_bridge_init(void);
diff --git a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/protocol/mcu_protocol.c b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/protocol/mcu_protocol.c
index 5bdb308..b53a5dd 100644
--- a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/protocol/mcu_protocol.c
+++ b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/protocol/mcu_protocol.c
@@ -17,7 +17,7 @@
 #include "system/includes.h"
 #include "asm/power/power_api.h"
 #include "mcu_protocol.h"
-#include "mcu_business.h"
+#include "mcu_logic.h"
 #include "mcu_frame.h"
 #include "mcu_uart.h"
 #include "mcu_util.h"
@@ -230,13 +230,13 @@ static void mcu_protocol_dispatch_event(const McuEvt_t *evt)
         mcu_protocol_handle_gateway_ack(evt->gw_cmd, evt->gw_int_cnt, evt->gw_int0);
         break;
     case MCU_EVT_BLE_PAIRED:
-        mcu_business_on_paired();
+        mcu_logic_on_paired();
         break;
     case MCU_EVT_BLE_PAIR_CLEARED:
-        mcu_business_on_pair_cleared();
+        mcu_logic_on_pair_cleared();
         break;
     case MCU_EVT_NET_TIME:
-        mcu_business_on_network_time(evt->unix_s, evt->gmtoff_s);
+        mcu_logic_on_network_time(evt->unix_s, evt->gmtoff_s);
         break;
     case MCU_EVT_APP_OTA_DATA:
         mcu_protocol_handle_app_frame(s_proto.ota_rx.buf, s_proto.ota_rx.len);
@@ -244,7 +244,7 @@ static void mcu_protocol_dispatch_event(const McuEvt_t *evt)
         break;
     case MCU_EVT_BLE_DISCONNECTED:
         s_proto.disc_posted = 0;
-        mcu_business_on_ble_disconnected();
+        mcu_logic_on_ble_disconnected();
         break;
     default:
         log_error("unknown evt type=%d", evt->type);
@@ -332,7 +332,7 @@ static int32_t mcu_protocol_send_frame(uint8_t cmd, uint8_t sn,
 }
 
 /**
- * @brief  自动 SN 发送（供 business 层调用）
+ * @brief  自动 SN 发送（供逻辑层调用）
  * @param  cmd     命令
  * @param  payload 载荷
  * @param  plen    长度
@@ -468,7 +468,7 @@ void mcu_protocol_invalidate_work_status_push(void)
 /*============================================================================*/
 
 /**
- * @brief  处理 0x10：协议校验 + ACK，业务交给 business 层
+ * @brief  处理 0x10：协议校验 + ACK，再交给逻辑层
  * @param  frame 完整帧
  * @param  len   长度
  */
@@ -493,18 +493,18 @@ static void mcu_protocol_handle_pair_cfg(const uint8_t *frame, uint16_t len)
         return;
     }
     /* 还没拿到 MCU 身份，广播都发不了，回忙让 MCU 稍后再试 */
-    if (!mcu_business_is_identity_ready())
+    if (!mcu_logic_is_identity_ready())
     {
         mcu_protocol_send_ack(MCU_CMD_PAIR_CFG_ACK, sn, MCU_RESULT_BUSY);
         return;
     }
 
     mcu_protocol_send_ack(MCU_CMD_PAIR_CFG_ACK, sn, MCU_RESULT_OK);
-    mcu_business_on_pair_cfg(mode, timeout_s);
+    mcu_logic_on_pair_cfg(mode, timeout_s);
 }
 
 /**
- * @brief  处理 0x1C：组 0x1D（时间由 business 填充）
+ * @brief  处理 0x1C：组 0x1D（时间由逻辑层填充）
  * @param  frame 完整帧
  * @param  len   长度
  */
@@ -520,7 +520,7 @@ static void mcu_protocol_handle_get_time(const uint8_t *frame, uint16_t len)
         return;
     }
     sn = frame[MCU_FRAME_OFF_SN];
-    mcu_business_build_time_ack(payload, &plen);
+    mcu_logic_build_time_ack(payload, &plen);
     if (plen == 0)
     {
         plen = 1;
@@ -603,19 +603,19 @@ static void mcu_protocol_handle_frame(const uint8_t *frame, uint16_t len)
             s_proto.hb_waiting = 0;
             s_proto.hb_fail_cnt = 0;
         }
-        /* 0x41/0x1B 等其余 ACK 继续走 switch，交给 business */
+        /* 0x41/0x1B 等其余 ACK 继续走 switch，交给逻辑层 */
     }
 
     switch (cmd)
     {
     case MCU_CMD_GET_IDENTITY_ACK:
-        mcu_business_on_identity_ack(frame, len);
+        mcu_logic_on_identity_ack(frame, len);
         break;
     case MCU_CMD_PAIR_CFG:
         mcu_protocol_handle_pair_cfg(frame, len);
         break;
     case MCU_CMD_REPORT:
-        if (mcu_business_ota_is_ble_active()) {
+        if (mcu_logic_ota_is_ble_active()) {
             log_info("drop MCU 0x07 during BLE OTA");
             return;
         }
@@ -628,45 +628,45 @@ static void mcu_protocol_handle_frame(const uint8_t *frame, uint16_t len)
         break;
     case MCU_CMD_RESET:
         mcu_protocol_send_ack(MCU_CMD_RESET_ACK, sn, MCU_RESULT_OK);
-        mcu_business_on_factory_reset();
+        mcu_logic_on_factory_reset();
         break;
     case MCU_CMD_REBOOT:
         mcu_protocol_send_ack(MCU_CMD_REBOOT_ACK, sn, MCU_RESULT_OK);
-        mcu_business_on_mod_reboot();
+        mcu_logic_on_mod_reboot();
         break;
     case MCU_CMD_GET_TIME:
         mcu_protocol_handle_get_time(frame, len);
         break;
     case MCU_CMD_GET_MCU_INFO_ACK:
-        mcu_business_on_mcu_info_ack(frame, len); /* 只本地解析，不原样转发网关 */
+        mcu_logic_on_mcu_info_ack(frame, len); /* 只本地解析，不原样转发网关 */
         break;
     case MCU_CMD_MCU_REBOOT_ACK:
-        mcu_business_on_mcu_reboot_ack(frame, len);
+        mcu_logic_on_mcu_reboot_ack(frame, len);
         break;
     case MCU_CMD_HEARTBEAT_ACK:
         break;
     case MCU_CMD_WORK_STATUS_ACK:
-        mcu_business_on_ota_ws_ack();
+        mcu_logic_on_ota_ws_ack();
         break;
     case MCU_CMD_OTA_NOTIFY_ACK:
     case MCU_CMD_OTA_DATA_ACK:
     case MCU_CMD_OTA_COMPLETE:
     case MCU_CMD_OTA_STOP_BLE_ACK:
     case MCU_CMD_OTA_STOP_MCU:
-        mcu_business_on_mcu_ota_frame(frame, len);
+        mcu_logic_on_mcu_ota_frame(frame, len);
         break;
     case MCU_CMD_FACTORY:
     case MCU_CMD_PHOTO:
     case MCU_CMD_RECORD:
     case MCU_CMD_AUDIO:
-        if (mcu_business_ota_is_active()) {
+        if (mcu_logic_ota_is_active()) {
             log_info("drop MCU cmd=0x%02X during OTA", cmd);
             break;
         }
         mcu_protocol_send_ack((uint8_t)(cmd + 1), sn, MCU_RESULT_NOT_SUPPORT);
         break;
     default:
-        if (mcu_business_ota_is_active()) {
+        if (mcu_logic_ota_is_active()) {
             log_info("drop MCU cmd=0x%02X during OTA", cmd);
         }
         break;
@@ -693,7 +693,7 @@ static void mcu_protocol_handle_app_frame(const uint8_t *data, uint16_t len)
     case MCU_CMD_OTA_DATA:
     case MCU_CMD_OTA_COMPLETE_ACK:
     case MCU_CMD_OTA_STOP_BLE:
-        mcu_business_on_app_ota_frame(data, len);
+        mcu_logic_on_app_ota_frame(data, len);
         return;
 
     /* 反向 OTA 命令：模组→APP，或会话已结束后的 0x39，禁止透传到 UART */
@@ -708,11 +708,11 @@ static void mcu_protocol_handle_app_frame(const uint8_t *data, uint16_t len)
 
     case MCU_CMD_GET_MCU_INFO:
         /* APP 问版本：模组用缓存回 SOC 0x41，不要把 0x40 转给 MCU */
-        mcu_business_on_app_get_mcu_info(sn);
+        mcu_logic_on_app_get_mcu_info(sn);
         return;
 
     case MCU_CMD_CONTROL:
-        if (mcu_business_ota_is_active()) {
+        if (mcu_logic_ota_is_active()) {
             mcu_protocol_reply_app_result(MCU_CMD_CONTROL_ACK, sn, MCU_RESULT_BUSY);
             return;
         }
@@ -720,7 +720,7 @@ static void mcu_protocol_handle_app_frame(const uint8_t *data, uint16_t len)
         break;
 
     case MCU_CMD_READ:
-        if (mcu_business_ota_is_active()) {
+        if (mcu_logic_ota_is_active()) {
             mcu_protocol_reply_app_result(MCU_CMD_READ_ACK, sn, MCU_RESULT_BUSY);
             return;
         }
@@ -728,7 +728,7 @@ static void mcu_protocol_handle_app_frame(const uint8_t *data, uint16_t len)
         break;
 
     default:
-        if (mcu_business_ota_is_active()) {
+        if (mcu_logic_ota_is_active()) {
             log_info("drop APP cmd=0x%02X during OTA", cmd);
             return;
         }
@@ -790,7 +790,7 @@ static void mcu_protocol_handle_gateway_ack(uint16_t cmd,
     }
 
     /* 再交给版本上报：若已被 0x07 占用，版本侧会继续等，不会误当成自己的 ACK */
-    mcu_business_on_gateway_ack(success, mcu_consumed);
+    mcu_logic_on_gateway_ack(success, mcu_consumed);
 }
 
 /*============================================================================*/
@@ -808,7 +808,7 @@ static void mcu_protocol_try_heartbeat(void)
     int32_t total;
 
     /* 身份都还没通，先别发心跳 */
-    if (!mcu_business_is_identity_ready() || mcu_business_ota_is_active())
+    if (!mcu_logic_is_identity_ready() || mcu_logic_ota_is_active())
     {
         return;
     }
@@ -867,7 +867,7 @@ static void mcu_protocol_try_heartbeat(void)
 }
 
 /**
- * @brief  工作状态变化时推送 0x14（状态值来自 business 层）
+ * @brief  工作状态变化时推送 0x14（状态值来自逻辑层）
  */
 static void mcu_protocol_try_work_status(void)
 {
@@ -878,12 +878,12 @@ static void mcu_protocol_try_work_status(void)
     uint32_t now;
     uint8_t ws;
 
-    if (!mcu_business_is_identity_ready() || mcu_business_ota_is_active())
+    if (!mcu_logic_is_identity_ready() || mcu_logic_ota_is_active())
     {
         return;
     }
 
-    ws = mcu_business_get_work_status();
+    ws = mcu_logic_get_work_status();
     /* 状态没变就不再推 0x14；0xFF 表示强制重推 */
     if (ws == s_proto.last_pushed_status)
     {
@@ -994,16 +994,16 @@ static void mcu_protocol_check_ble_pending(void)
 }
 
 /**
- * @brief  周期处理：串口防睡 / 业务周期 / pending 重试 / 心跳 / 状态推送
+ * @brief  周期处理：串口防睡 / 逻辑层周期 / pending 重试 / 心跳 / 状态推送
  */
 static void mcu_protocol_periodic(void)
 {
     mcu_uart_rx_keep_awake_tick();    /* 串口防睡 */
-    mcu_business_periodic();          /* 业务周期 */
+    mcu_logic_periodic();             /* 逻辑层周期 */
     mcu_protocol_check_app_pending(); /* APP 透传超时重发；重试用尽后主动回 FAIL，不让 APP 干等 */
     mcu_protocol_check_ble_pending(); /* BLE 主动帧 pending 超时清理 */
     mcu_protocol_try_heartbeat();     /* 心跳 */
-    mcu_protocol_try_work_status();   /* 工作状态变化时推送 0x14（状态值来自 business 层） */
+    mcu_protocol_try_work_status();   /* 工作状态变化时推送 0x14（状态值来自逻辑层） */
 }
 
 /*============================================================================*/
@@ -1023,7 +1023,7 @@ uint8_t mcu_protocol_init(void)
 
     memset(&s_proto, 0, sizeof(s_proto));
     mcu_frame_parser_reset();
-    mcu_business_init();
+    mcu_logic_init();
 
     if (mcu_uart_init() != MCU_UART_OK)
     {
diff --git a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/protocol/mcu_protocol.h b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/protocol/mcu_protocol.h
index d49a389..e52ae49 100644
--- a/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/protocol/mcu_protocol.h
+++ b/JBao_JL7016_MOD_FW/apps/usr_mcu_bridge/protocol/mcu_protocol.h
@@ -6,7 +6,7 @@
  * @version V1.1.0
  * @history
  * - V1.0.0, 2026.08.12, cyWu, 从 mcu_bridge.c 拆出，仅保留协议机制，
- *   不含任何业务判断（身份/配网/连接状态见 ../business）
+ *   不含功能处理（身份/配网/连接状态见 ../logic）
  * - V1.1.0, 2026.08.13, cyWu, P1：管理命令分发、pending 发送、网关时间入队
  * - V1.2.0, 2026.08.15, cyWu, P2：OTA 大包旁路、按 SN 发送、原始帧转发
  ******************************************************************************/
@@ -20,12 +20,11 @@
 /*============================================================================*/
 /* 说明                                                                       */
 /*   本模块只做协议机制：组帧收发、事件队列驱动的单一任务、命令分发、          */
-/*   ACK 与超时重传、心跳保活。所有业务判断（该不该配网/该发什么广播/         */
-/*   work_status 具体取值）一律转交 business 层，本模块不感知业务细节。       */
+/*   ACK 与超时重传、心跳保活。配网/版本/OTA 等具体功能一律转交逻辑层。       */
 /*============================================================================*/
 
 /**
- * @brief  初始化协议引擎（UART + 事件队列 + 独立任务 + business 层）
+ * @brief  初始化协议引擎（UART + 事件队列 + 独立任务 + 逻辑层）
  * @return 1=成功，0=失败
  */
 uint8_t mcu_protocol_init(void);
@@ -45,7 +44,7 @@ void mcu_protocol_on_uart_rx(const uint8_t *data, uint16_t len);
 void mcu_protocol_on_app_frame(const uint8_t *data, uint16_t len);
 
 /**
- * @brief  配网成功通知（入队，交由协议任务在自身上下文调用 business 层）
+ * @brief  配网成功通知（入队，交由协议任务在自身上下文调用逻辑层）
  */
 void mcu_protocol_notify_paired(void);
 
@@ -77,7 +76,7 @@ void mcu_protocol_notify_network_time(uint64_t unix_s, int32_t gmtoff_s);
 void mcu_protocol_notify_disconnected(void);
 
 /*============================================================================*/
-/* 供 business 层调用的协议发送接口                                          */
+/* 供逻辑层调用的协议发送接口                                                */
 /*============================================================================*/
 
 /**
@@ -132,7 +131,7 @@ uint8_t mcu_protocol_is_ble_pending(void);
 uint8_t mcu_protocol_is_mcu_report_waiting(void);
 
 /**
- * @brief  强制下一轮重新推送 0x14（业务状态变化后调用）
+ * @brief  强制下一轮重新推送 0x14（逻辑层状态变化后调用）
  */
 void mcu_protocol_invalidate_work_status_push(void);
 
diff --git a/tools/pack_firmware.ps1 b/tools/pack_firmware.ps1
index 24c70d3..b347900 100644
--- a/tools/pack_firmware.ps1
+++ b/tools/pack_firmware.ps1
@@ -23,7 +23,7 @@ if ([string]::IsNullOrWhiteSpace($SdkRoot)) {
     $SdkRoot = Join-Path $RepoRoot "JBao_JL7016_MOD_FW"
 }
 
-$VersionHeader = Join-Path $SdkRoot "apps\usr_mcu_bridge\business\mcu_version.h"
+$VersionHeader = Join-Path $SdkRoot "apps\usr_mcu_bridge\logic\mcu_version.h"
 $DownloadDir   = Join-Path $SdkRoot "cpu\br28\tools\download\earphone"
 $ReleaseRoot   = Join-Path $RepoRoot "release"