diff --git a/docs/开发日志.md b/docs/开发日志.md
index eb77f3d..53ce4e4 100644
--- a/docs/开发日志.md
+++ b/docs/开发日志.md
@@ -1689,3 +1689,12 @@ APP2 链接的镜像发向 APP1 区。设备端 END 校验（向量表 Reset PC
     里 `LedOff(LED2)`。
 - 版本：APP `V1.00.41` → `V1.00.42`（`APP_FW_VERSION_NUM` 0x00010029 →
   0x0001002A）。Boot 不动（仍 V1.00.07）。
+
+## 72. 状态灯换脚：LED1→PB2、LED2→PB3（2026-09-06，APP V1.00.43，仅 APP）
+
+- 用户要求避开 PB1（数码管 pin2 冲突）：LED1 从 PB1 改 **PB2**（运行心跳）、
+  LED2 从 PB2 改 **PB3**（蓝牙连接指示）。
+- 修改：仅 `app_gpio.h` 的 `LED1_PIN=GPIO_PIN_2`、`LED2_PIN=GPIO_PIN_3`
+  （端口均为 GPIOB），其余逻辑不变。
+- 版本：APP `V1.00.42` → `V1.00.43`（`APP_FW_VERSION_NUM` 0x0001002A →
+  0x0001002B）。Boot 不动（仍 V1.00.07）。
diff --git a/mcm-ddc-ble/MDK-ARM/bin/mcm-ddc-ble-app2.bin b/mcm-ddc-ble/MDK-ARM/bin/mcm-ddc-ble-app2.bin
index bcd005f..d31aae4 100644
Binary files a/mcm-ddc-ble/MDK-ARM/bin/mcm-ddc-ble-app2.bin and b/mcm-ddc-ble/MDK-ARM/bin/mcm-ddc-ble-app2.bin differ
diff --git a/mcm-ddc-ble/MDK-ARM/bin/mcm-ddc-ble.bin b/mcm-ddc-ble/MDK-ARM/bin/mcm-ddc-ble.bin
index 7d6d6fb..b863698 100644
Binary files a/mcm-ddc-ble/MDK-ARM/bin/mcm-ddc-ble.bin and b/mcm-ddc-ble/MDK-ARM/bin/mcm-ddc-ble.bin differ
diff --git a/mcm-ddc-ble/inc/app_gpio.h b/mcm-ddc-ble/inc/app_gpio.h
index dcf6963..01d78dc 100644
--- a/mcm-ddc-ble/inc/app_gpio.h
+++ b/mcm-ddc-ble/inc/app_gpio.h
@@ -63,9 +63,9 @@ extern "C" {
 #include "n32wb03x.h"
     
 #define LED1_PORT GPIOB
-#define LED1_PIN  GPIO_PIN_1      /* PB1: APP running status LED (heartbeat blink) */
+#define LED1_PIN  GPIO_PIN_2      /* PB2: APP running status LED (heartbeat blink) */
 #define LED2_PORT GPIOB
-#define LED2_PIN  GPIO_PIN_2      /* PB2: BLE connected indicator LED */
+#define LED2_PIN  GPIO_PIN_3      /* PB3: BLE connected indicator LED */
 
 
 void LedInit(GPIO_Module* GPIOx, uint16_t Pin);
diff --git a/mcm-ddc-ble/inc/app_version.h b/mcm-ddc-ble/inc/app_version.h
index 67f80d6..515be1f 100644
--- a/mcm-ddc-ble/inc/app_version.h
+++ b/mcm-ddc-ble/inc/app_version.h
@@ -9,12 +9,12 @@
 #define __APP_VERSION_H__
 
 #ifndef APP_FW_VERSION
-#define APP_FW_VERSION      "V1.00.42"
+#define APP_FW_VERSION      "V1.00.43"
 #endif
 
 /* Numeric form used by the BLE info query / OTA records: 0x00MMmmpp */
 #ifndef APP_FW_VERSION_NUM
-#define APP_FW_VERSION_NUM  0x0001002Au
+#define APP_FW_VERSION_NUM  0x0001002Bu
 #endif
 
 #endif /* __APP_VERSION_H__ */
diff --git a/tools/out/mothercup_ble_ota.bin b/tools/out/mothercup_ble_ota.bin
index 4957318..580c2fb 100644
Binary files a/tools/out/mothercup_ble_ota.bin and b/tools/out/mothercup_ble_ota.bin differ
diff --git a/tools/out/mothercup_ble_prod.bin b/tools/out/mothercup_ble_prod.bin
index 8569129..bed06fb 100644
Binary files a/tools/out/mothercup_ble_prod.bin and b/tools/out/mothercup_ble_prod.bin differ
diff --git a/tools/out/mothercup_ble_prod.hex b/tools/out/mothercup_ble_prod.hex
index 541cf04..6d0f7aa 100644
--- a/tools/out/mothercup_ble_prod.hex
+++ b/tools/out/mothercup_ble_prod.hex
@@ -916,8 +916,8 @@
 :103920000000000000000000000000000000000097
 :103930000000000000000000000000000000000087
 :1040000011C011CA010000000080000108EB00008F
-:104010003C5883AA2A0001000000000000000000B4
-:0C4020000000000000000000675F8A6ADA
+:1040100050249DC72B00010000000000000000009C
+:0C4020000000000000000000E563E9C3A0
 :10800000F8BD00206981000171810001DDBB000124
 :108010000000000000000000000000000000000060
 :1080200000000000000000000000000045C000014A
@@ -1573,8 +1573,8 @@
 :10A8C000854203D134A004F0E5F903E029463AA01B
 :10A8D00004F07AF90AF0F4F97D21C900FDF752FC81
 :10A8E000014639A004F070F909F0F2FD01463AA0E2
-:10A8F00004F06AF9F8BD00002A00010056312E303C
-:10A90000302E3432000000006669726D7761726526
+:10A8F00004F06AF9F8BD00002B00010056312E303B
+:10A90000302E3433000000006669726D7761726525
 :10A910003A202573202830782530386C58290D0AC4
 :10A92000000000006375722062616E6B3A20415036
 :10A930005025750D0A000000FF7F000063686970F4
@@ -1745,8 +1745,8 @@
 :10B380006C6574652C2055502F444F574E203D203E
 :10B39000686973746F72790D0A00000070B50C460D
 :10B3A000032822DB61681D4D0A78312A02D0322A37
-:10B3B00005D01AE04878002817D1022603E0487823
-:10B3C000002812D1042616A1A068FCF778FF0028F7
+:10B3B00005D01AE04878002817D1042603E0487821
+:10B3C000002812D1082616A1A068FCF778FF0028F3
 :10B3D0000FD014A1A068FCF772FF00280ED012A1B4
 :10B3E000A068FCF76CFF00280DD011A003F052FC00
 :10B3F00070BD3146284600F099FC08E031462846E9
@@ -1825,7 +1825,7 @@
 :10B880002C20727820717565756520666C757368FB
 :10B8900065640D0A0000000010B506A108A003F0C1
 :10B8A00093F90DA003F0F6F91948016819A003F007
-:10B8B0008BF910BD56312E30302E3432000000008E
+:10B8B0008BF910BD56312E30302E3433000000008D
 :10B8C0006669726D776172652076657273696F6EF5
 :10B8D0003A2025730D0A00006D636D2D6464632D9D
 :10B8E000626C653A20424C45287264747373292057
@@ -2180,12 +2180,12 @@
 :10CEB000C001D08308480090684604F037F819B0E4
 :10CEC00000BD000003160A18000000000AFFFFFF63
 :10CED0004E6174696F6E7300DDCE00017047000013
-:10CEE00010B509490020087004210848FEF71EFF0C
+:10CEE00010B509490020087008210848FEF71EFF08
 :10CEF00000F08EF9002802D005A0FFF751FAF720C4
 :10CF000004F088F910BD000037470020000C0140F4
 :10CF10005B424C455D20636F6E6E65637465640DA6
 :10CF20000A00000010B504F025F800F07FF9074969
-:10CF30000020087004210648FEF7F4FE00F068F9AE
+:10CF30000020087008210648FEF7F4FE00F068F9AA
 :10CF4000002802D003A0FFF72BFA10BD37470020BE
 :10CF5000000C01405B424C455D20646973636F6E59
 :10CF60006E65637465642C206164766572746973A0
@@ -2206,8 +2206,8 @@
 :10D0500000BD000065D0000109DF0001D9D5000145
 :10D06000F1DC00010178012928D070B50024144DAD
 :10D07000144E022912D003290FD103F07BFF00F0D8
-:10D08000D5F82C7004213046FEF74CFE00F0C0F8B5
-:10D09000002802D00C48FFF783F970BD2C700421E2
+:10D08000D5F82C7008213046FEF74CFE00F0C0F8B1
+:10D09000002802D00C48FFF783F970BD2C700821DE
 :10D0A0003046FEF743FE00F0B3F8002802D00748F0
 :10D0B000FFF776F9F72004F0ADF870BD7047000077
 :10D0C00037470020000C014054CF000110CF000171
@@ -3107,7 +3107,7 @@
 :10089000FDF712F91049884201D1022000E0012041
 :1008A000694608740120009004AB22460799069817
 :1008B00000F014F809B0F0BD079809B0F0BD0000D1
-:1008C000FFFF00002A00010000080240A4470020AA
+:1008C000FFFF00002B00010000080240A4470020A9
 :1008D000FF7F0000000020410040020130B4029C74
 :1008E00042540546491C88B22C54401C002180B259
 :1008F000002C07D95A5C2A54401C491CC9B280B24A
@@ -3120,7 +3120,7 @@
 :100960004360286004E060682860201DF7F77CFC85
 :10097000201D2660F8BD251D2C68002CE2D100202A
 :10098000F8BD00002C4800207D260D4C0D4DF600D2
-:1009900004F086F9022802D104F092F920600221C5
+:1009900004F086F9022802D104F092F920600421C3
 :1009A0002846FBF795F9FDF75BF900897D21C90021
 :1009B00048433146F7F7E6FB03F04EFCE8E700005A
 :1009C00038470020000C014010B5A0230949022837
@@ -3159,8 +3159,8 @@
 :100BD00039A13CA0FBF7E4FB4048016840A0FBF7CB
 :100BE000DFFB46A14AA0FBF7DBFB52A0FBF7D8FBDB
 :100BF000FDF798F9FCF710FAFCF700FBFDF734F865
-:100C000001F054F8564C02212046FBF765F8042108
-:100C10002046FBF761F804212046FBF783F8022009
+:100C000001F054F8564C04212046FBF765F8082102
+:100C10002046FBF761F808212046FBF783F8022005
 :100C20000025020200902B464EA101954E4803F08C
 :100C30007BFF0124002322024CA14E480195009421
 :100C400003F072FF002380224BA14C4801950094D1
@@ -3170,7 +3170,7 @@
 :100C80003D3D3D3D3D3D3D3D3D3D3D3D3D3D3D3D94
 :100C90003D0A0000206D636D2D6464632D626C65F8
 :100CA0003A20424C45202B204672656552544F53E2
-:100CB000202B20434C490A0056312E30302E34323E
+:100CB000202B20434C490A0056312E30302E34333D
 :100CC00000000000204669726D77617265207665CC
 :100CD0007273696F6E2025730A00000000400020C7
 :100CE0002053797374656D436F7265436C6F636BEA
diff --git a/tools/out/mothercup_ble_prod_ota.bin b/tools/out/mothercup_ble_prod_ota.bin
index 7d6d6fb..b863698 100644
Binary files a/tools/out/mothercup_ble_prod_ota.bin and b/tools/out/mothercup_ble_prod_ota.bin differ
diff --git a/tools/out/mothercup_ble_prod_ota.json b/tools/out/mothercup_ble_prod_ota.json
index fea1b70..2326b3e 100644
--- a/tools/out/mothercup_ble_prod_ota.json
+++ b/tools/out/mothercup_ble_prod_ota.json
@@ -2,6 +2,6 @@
   "file": "mothercup_ble_prod_ota.bin",
   "target_bank": 1,
   "size": 60168,
-  "crc32": "0xAA83583C",
-  "version": 65578
+  "crc32": "0xC79D2450",
+  "version": 65579
 }
\ No newline at end of file
diff --git a/tools/out/mothercup_ble_prod_ota_app2.bin b/tools/out/mothercup_ble_prod_ota_app2.bin
index bcd005f..d31aae4 100644
Binary files a/tools/out/mothercup_ble_prod_ota_app2.bin and b/tools/out/mothercup_ble_prod_ota_app2.bin differ
diff --git a/tools/out/mothercup_ble_prod_ota_app2.json b/tools/out/mothercup_ble_prod_ota_app2.json
index f9029f5..c920bd0 100644
--- a/tools/out/mothercup_ble_prod_ota_app2.json
+++ b/tools/out/mothercup_ble_prod_ota_app2.json
@@ -2,6 +2,6 @@
   "file": "mothercup_ble_prod_ota_app2.bin",
   "target_bank": 2,
   "size": 60468,
-  "crc32": "0xABC86CA6",
-  "version": 65578
+  "crc32": "0xC6D610CA",
+  "version": 65579
 }
\ No newline at end of file