diff --git a/cpp-package/inspireface/README.md b/cpp-package/inspireface/README.md
index 4f28713..972a10c 100644
--- a/cpp-package/inspireface/README.md
+++ b/cpp-package/inspireface/README.md
@@ -9,6 +9,8 @@ If you require further information on tracking development branches, CI/CD proce
 
 Please contact [contact@insightface.ai](mailto:contact@insightface.ai?subject=InspireFace) for commercial support, including obtaining and integrating higher accuracy models, as well as custom development.
 
+<img src="images/banner.jpg" alt="banner" style="zoom:80%;" />
+
 ## Change Logs
 
 **`2024-07-05`** Fixed some bugs in the python ctypes interface.
diff --git a/cpp-package/inspireface/cpp/inspireface/c_api/inspireface.h b/cpp-package/inspireface/cpp/inspireface/c_api/inspireface.h
index fb32ebd..6316e67 100644
--- a/cpp-package/inspireface/cpp/inspireface/c_api/inspireface.h
+++ b/cpp-package/inspireface/cpp/inspireface/c_api/inspireface.h
@@ -636,7 +636,7 @@ HYPER_CAPI_EXPORT extern HResult HFFaceQualityDetect(HFSession session, HFFaceBa
 
 
 /**
- * @brief Some facial states in the face interaction module.
+ * @brief Facial states in the face interaction module.
  */
 typedef struct HFFaceIntereactionResult {
     HInt32 num;                             ///< Number of faces detected.
@@ -644,6 +644,11 @@ typedef struct HFFaceIntereactionResult {
     HPFloat rightEyeStatusConfidence;       ///< Right eye state: confidence close to 1 means open, close to 0 means closed.
 } HFFaceIntereactionResult, *PHFFaceIntereactionResult;
 
+/**
+ * @brief Get the prediction results of face interaction.
+ * @param session Handle to the session.
+ * @param result Facial state prediction results in the face interaction module.
+ */
 HYPER_CAPI_EXPORT extern HResult HFGetFaceIntereactionResult(HFSession session, PHFFaceIntereactionResult result);
 
 /**
diff --git a/cpp-package/inspireface/images/banner.jpg b/cpp-package/inspireface/images/banner.jpg
new file mode 100644
index 0000000..b7ea664
Binary files /dev/null and b/cpp-package/inspireface/images/banner.jpg differ
diff --git a/cpp-package/inspireface/python/sample_face_detection.py b/cpp-package/inspireface/python/sample_face_detection.py
index bee9595..f706337 100644
--- a/cpp-package/inspireface/python/sample_face_detection.py
+++ b/cpp-package/inspireface/python/sample_face_detection.py
@@ -48,10 +48,7 @@ def case_face_detection_image(resource_path, image_path):
         # Calculate center, size, and angle
         center = ((x1 + x2) / 2, (y1 + y2) / 2)
         size = (x2 - x1, y2 - y1)
-        angle = face.roll  # 这里使用 roll 角度
-
-        # Get rotation matrix
-        rotation_matrix = cv2.getRotationMatrix2D(center, angle, 1.0)
+        angle = face.roll
 
         # Apply rotation to the bounding box corners
         rect = ((center[0], center[1]), (size[0], size[1]), angle)
diff --git a/cpp-package/inspireface/python/sample_face_track_from_video.py b/cpp-package/inspireface/python/sample_face_track_from_video.py
index c36d473..e73ed8b 100644
--- a/cpp-package/inspireface/python/sample_face_track_from_video.py
+++ b/cpp-package/inspireface/python/sample_face_track_from_video.py
@@ -62,7 +62,7 @@ def case_face_tracker_from_video(resource_path, source, show):
             # Calculate center, size, and angle
             center = ((x1 + x2) / 2, (y1 + y2) / 2)
             size = (x2 - x1, y2 - y1)
-            angle = face.roll  # 这里使用 roll 角度
+            angle = face.roll 
 
             # Get rotation matrix
             rotation_matrix = cv2.getRotationMatrix2D(center, angle, 1.0)