diff --git a/config/boards/arm/hw75_dynamic/app/screen/icons.csv b/config/boards/arm/hw75_dynamic/app/screen/icons.csv
index 6feda767..2bbf1ccf 100644
--- a/config/boards/arm/hw75_dynamic/app/screen/icons.csv
+++ b/config/boards/arm/hw75_dynamic/app/screen/icons.csv
@@ -1,5 +1,6 @@
 ICON_VOL,f1ae
 ICON_SCR,f18a
+ICON_TASKS,f15e
 ICON_ARROW_VER,f193
 ICON_ARROW_HOR,f19c
 ICON_CALI,f183
diff --git a/config/boards/arm/hw75_dynamic/app/screen/strings.csv b/config/boards/arm/hw75_dynamic/app/screen/strings.csv
index 003a8345..862a16b5 100644
--- a/config/boards/arm/hw75_dynamic/app/screen/strings.csv
+++ b/config/boards/arm/hw75_dynamic/app/screen/strings.csv
@@ -1,5 +1,6 @@
 STRING_LAYER_VOL,音量
 STRING_LAYER_SCR,滚动
+STRING_LAYER_TASKS,窗口
 STRING_LAYER_ARROW_VER,上下
 STRING_LAYER_ARROW_HOR,左右
 STRING_KNOB_CALIB,电机校准中
diff --git a/config/hw75_dynamic.keymap b/config/hw75_dynamic.keymap
index 6297cf49..dc46ffb0 100644
--- a/config/hw75_dynamic.keymap
+++ b/config/hw75_dynamic.keymap
@@ -12,6 +12,37 @@
 #include <dt-bindings/zmk/mouse.h>
 
 / {
+	macros {
+		tasks_forward: tasks-forward {
+			label = "TAKS_FORWARD";
+			compatible = "zmk,behavior-macro";
+			#binding-cells = <0>;
+			bindings = <&macro_press   &kp LALT>,
+				   <&macro_tap     &kp TAB>,
+				   <&macro_release &kp LALT>;
+		};
+
+		tasks_backward: tasks-backward {
+			label = "TAKS_BACKWARD";
+			compatible = "zmk,behavior-macro";
+			#binding-cells = <0>;
+			bindings = <&macro_press   &kp LALT>,
+				   <&macro_press   &kp LSHIFT>,
+				   <&macro_tap     &kp TAB>,
+				   <&macro_release &kp LSHIFT>,
+				   <&macro_release &kp LALT>;
+		};
+	};
+
+	behaviors {
+		switch_tasks: switch-tasks {
+			compatible = "zmk,behavior-sensor-rotate";
+			label = "SWITCH_TASKS";
+			#sensor-binding-cells = <0>;
+			bindings = <&tasks_forward>, <&tasks_backward>;
+		};
+	};
+
 	keymap {
 		compatible = "zmk,keymap-ext", "zmk,keymap";
 
@@ -29,6 +60,14 @@
 			sensor-bindings = <&mw MW_UP(1) MW_DN(1)>;
 		};
 
+		tasks {
+			label = "窗口";
+			icon = [EF 85 9E];
+			bindings = <&trans &trans>;
+			sensor-bindings = <&switch_tasks>;
+			profile = <&profile_spring>;
+		};
+
 		arrow_vertical {
 			label = "上下";
 			icon = [EF 86 93];