diff --git a/Global/Global.c b/Global/Global.c
index ea1d536..27426af 100644
--- a/Global/Global.c
+++ b/Global/Global.c
@@ -169,7 +169,7 @@ int16_t MIC_VOL_MAP[11]= {-9000,-7000,-5000,-3000,-1000,1000,3000,5000,7000,9000
 
 uint8_t TOUCH_AREA_NUM = (sizeof(Touch_Areas)/sizeof(Touch_AreaTypeDef));
 
-const uint8_t Version[3] = {0,2,55}; /* major.minor.patch — 0.2.55: 把位灯色序 1~7 对调为 7~1 */
+const uint8_t Version[3] = {0,2,56}; /* major.minor.patch — 0.2.56: 固定调和弦音高 */
 uint8_t Led = 8;
 /* App 已下发琴颈引导灯：拨片勿再全绿盖掉 */
 static uint8_t s_app_neck_led = 0;
diff --git a/tools/publish_k1_release.py b/tools/publish_k1_release.py
index 0197b2e..e4b5721 100644
--- a/tools/publish_k1_release.py
+++ b/tools/publish_k1_release.py
@@ -38,7 +38,7 @@ TONE_HDR = PROJ / "project" / "inc" / "ExtFlash_Tone_Addr.h"
 IAP_DIR = REPO / "升级" / "MCU主控升级"
 OUT_ROOT = REPO / "tools" / "out"
 
-FW_VER = "0.2.55"
+FW_VER = "0.2.56"
 UI0902_RES_BASE = 0x00100000
 BOOT_FLASH_ADDR = 0x08000000
 APP_FLASH_ADDR = 0x08008000