diff --git a/maix/version.py b/maix/version.py
index a7980d36..54557b12 100644
--- a/maix/version.py
+++ b/maix/version.py
@@ -3,6 +3,6 @@
 
 version_major = 4
 version_minor = 3
-version_patch = 7
+version_patch = 8
 
 __version__ = "{}.{}.{}".format(version_major, version_minor, version_patch)
diff --git a/projects/app_yolov8_seg/.gitignore b/projects/app_yolov8_seg/.gitignore
new file mode 100644
index 00000000..babf76a7
--- /dev/null
+++ b/projects/app_yolov8_seg/.gitignore
@@ -0,0 +1,5 @@
+
+build
+dist
+/CMakeLists.txt
+
diff --git a/projects/app_yolov8_seg/app.yaml b/projects/app_yolov8_seg/app.yaml
new file mode 100644
index 00000000..5cbf94ab
--- /dev/null
+++ b/projects/app_yolov8_seg/app.yaml
@@ -0,0 +1,10 @@
+id: yolov8_seg
+name: YOLOv8 Segmentation
+version: 1.0.0
+author: Sipeed Ltd
+icon: icon.png
+desc: Detect human body 17 keypoints.
+files:
+  - icon.png
+  - app.yaml
+  - main.py
diff --git a/projects/app_yolov8_seg/icon.png b/projects/app_yolov8_seg/icon.png
new file mode 100644
index 00000000..f2be101e
Binary files /dev/null and b/projects/app_yolov8_seg/icon.png differ
diff --git a/projects/app_yolov8_seg/main.py b/projects/app_yolov8_seg/main.py
new file mode 100644
index 00000000..d3780d1a
--- /dev/null
+++ b/projects/app_yolov8_seg/main.py
@@ -0,0 +1,42 @@
+from maix import camera, display, image, nn, app, time, touchscreen
+
+def is_in_button(x, y, btn_pos):
+    return x > btn_pos[0] and x < btn_pos[0] + btn_pos[2] and y > btn_pos[1] and y < btn_pos[1] + btn_pos[3]
+
+def main(disp):
+    ts = touchscreen.TouchScreen()
+    detector = nn.YOLOv8(model="/root/models/yolov8n_seg.mud")
+    img_back = image.load("/maixapp/share/icon/ret.png")
+    back_rect = [0, 0, 32, 32]
+
+    cam = camera.Camera(detector.input_width(), detector.input_height(), detector.input_format())
+    back_rect_disp = image.resize_map_pos(cam.width(), cam.height(), disp.width(), disp.height(), image.Fit.FIT_CONTAIN, back_rect[0], back_rect[1], back_rect[2], back_rect[3])
+
+    while not app.need_exit():
+        img = cam.read()
+        objs = detector.detect(img, conf_th = 0.5, iou_th = 0.45, keypoint_th = 0.5)
+        for obj in objs:
+            detector.draw_seg_mask(img, obj.x, obj.y, obj.seg_mask, threshold=127)
+            img.draw_rect(obj.x, obj.y, obj.w, obj.h, color = image.COLOR_RED)
+            msg = f'{detector.labels[obj.class_id]}: {obj.score:.2f}'
+            img.draw_string(obj.x, obj.y, msg, color = image.COLOR_RED)
+        # img.draw_rect(back_rect[0], back_rect[1], back_rect[2], back_rect[3], image.COLOR_BLACK, -1)
+        img.draw_image(0, 0, img_back)
+        disp.show(img)
+        x, y, preesed = ts.read()
+        if is_in_button(x, y, back_rect_disp):
+            app.set_exit_flag(True)
+
+
+
+disp = display.Display()
+try:
+    main(disp)
+except Exception:
+    import traceback
+    msg = traceback.format_exc()
+    img = image.Image(disp.width(), disp.height())
+    img.draw_string(0, 0, msg, image.COLOR_WHITE)
+    disp.show(img)
+    while not app.need_exit():
+        time.sleep_ms(100)