diff --git a/QtScrcpy/QtScrcpyCore b/QtScrcpy/QtScrcpyCore
index 8e2cc1f3b..cb9da00b4 160000
--- a/QtScrcpy/QtScrcpyCore
+++ b/QtScrcpy/QtScrcpyCore
@@ -1 +1 @@
-Subproject commit 8e2cc1f3b17ad888b567ce05c5fe125bcaca0dd5
+Subproject commit cb9da00b4ac4e855b6cb8a9033fe45a1fabfd05b
diff --git a/docs/KeyMapDes.md b/docs/KeyMapDes.md
index bd896cda1..c093e548e 100644
--- a/docs/KeyMapDes.md
+++ b/docs/KeyMapDes.md
@@ -60,6 +60,8 @@ Description of the unique attributes of different key mapping types:
     -key The key code to be mapped
     -startPos Simulate the start position of touch drag
     -endPos Simulate the end position of touch drag
+    -dragSpeed Speed of the drag movement (range 0-1, default 1.0). Higher values result in faster movements
+    -startDelay Optional delay in milliseconds to wait after the initial touch before starting the drag movement
 
 -KMT_STEER_WHEEL
     -centerPos steering wheel center point
diff --git a/docs/KeyMapDes_zh.md b/docs/KeyMapDes_zh.md
index 07669a0f1..a9f5a7fd7 100644
--- a/docs/KeyMapDes_zh.md
+++ b/docs/KeyMapDes_zh.md
@@ -60,6 +60,8 @@
     - key 要映射的按键码
     - startPos 模拟触摸拖动的开始位置
     - endPos 模拟触摸拖动的结束位置
+    - dragSpeed 拖动移动的速度（范围0-1，默认1.0）。数值越大，移动越快
+    - startDelay 可选的延迟时间（毫秒），在开始拖动移动之前等待指定的时间
 
 - KMT_STEER_WHEEL
     - centerPos 方向盘中心点
@@ -72,5 +74,3 @@
     - upOffset 按下上方向键后模拟拖动到相对centerPos位置水平偏上upOffset处
     - downOffset 按下下方向键后模拟拖动到相对centerPos位置水平偏下downOffset处
     
-
-