diff --git a/stubs/pyorbbecsdk.pyi b/stubs/pyorbbecsdk.pyi
index e0d3042..9fcd2aa 100644
--- a/stubs/pyorbbecsdk.pyi
+++ b/stubs/pyorbbecsdk.pyi
@@ -105,7 +105,7 @@ class Context:
     @typing.overload
     def __init__(self, arg0: str) -> None:
         ...
-    def create_net_device(self, arg0: str, arg1: int) -> ...:
+    def create_net_device(self, arg0: str, arg1: int) -> Device:
         """
         Create net device
         """
@@ -117,7 +117,7 @@ class Context:
         ...
     def ob_force_ip_config(self, arg0: str, arg1: OBDeviceIpAddrConfig) ->bool:
         ...
-    def query_devices(self) -> ...:
+    def query_devices(self) -> DeviceList:
         """
         Query devices
         """
@@ -151,7 +151,7 @@ class Device:
         ...
     def get_bool_property_range(self, arg0: OBPropertyID) -> OBBoolPropertyRange:
         ...
-    def get_calibration_camera_param_list(self) -> ...:
+    def get_calibration_camera_param_list(self) -> CameraParamList:
         ...
     def get_current_preset_name(self) -> str:
         ...
@@ -173,9 +173,9 @@ class Device:
         ...
     def get_multi_device_sync_config(self) -> OBMultiDeviceSyncConfig:
         ...
-    def get_sensor(self, arg0: OBSensorType) -> ...:
+    def get_sensor(self, arg0: OBSensorType) -> Sensor:
         ...
-    def get_sensor_list(self) -> ...:
+    def get_sensor_list(self) -> SensorList:
         ...
     def get_support_property_count(self) -> int:
         ...
@@ -289,17 +289,17 @@ class DeviceInfo:
         Get device gateway
         """
 class DeviceList:
-    def __getitem__(self, arg0: int) -> ...:
+    def __getitem__(self, arg0: int) -> Device:
         ...
     def __len__(self) -> int:
         ...
     def get_count(self) -> int:
         ...
-    def get_device_by_index(self, arg0: int) -> ...:
+    def get_device_by_index(self, arg0: int) -> Device:
         ...
-    def get_device_by_serial_number(self, arg0: str) -> ...:
+    def get_device_by_serial_number(self, arg0: str) -> Device:
         ...
-    def get_device_by_uid(self, arg0: str) -> ...:
+    def get_device_by_uid(self, arg0: str) -> Device:
         ...
     def get_device_name_by_index(self, arg0: int) -> str:
         ...
@@ -374,7 +374,7 @@ class Filter:
         ...
     def is_threshold_filter(self) -> bool:
         ...
-    def process(self, arg0: ...) -> ...:
+    def process(self, arg0: ...) -> Frame:
         ...
     def push_frame(self, arg0: ...) -> None:
         ...
@@ -392,21 +392,21 @@ class FormatConvertFilter(Filter):
 class Frame:
     def __repr__(self) -> None:
         ...
-    def as_accel_frame(self) -> ...:
+    def as_accel_frame(self) -> AccelFrame:
         ...
-    def as_color_frame(self) -> ...:
+    def as_color_frame(self) -> ColorFrame:
         ...
-    def as_depth_frame(self) -> ...:
+    def as_depth_frame(self) -> DepthFrame:
         ...
-    def as_frame_set(self) -> ...:
+    def as_frame_set(self) -> FrameSet:
         ...
-    def as_gyro_frame(self) -> ...:
+    def as_gyro_frame(self) -> GyroFrame:
         ...
-    def as_ir_frame(self) -> ...:
+    def as_ir_frame(self) -> IRFrame:
         ...
-    def as_points_frame(self) -> ...:
+    def as_points_frame(self) -> PointsFrame:
         ...
-    def as_video_frame(self) -> ...:
+    def as_video_frame(self) -> VideoFrame:
         ...
     def get_data(self) -> numpy.ndarray[numpy.uint8]:
         ...
@@ -424,9 +424,9 @@ class Frame:
         ...
     def get_metadata_value(self, arg0: OBFrameMetadataType) -> int:
         ...
-    def get_sensor(self) -> ...:
+    def get_sensor(self) -> Sensor:
         ...
-    def get_stream_profile(self) -> ...:
+    def get_stream_profile(self) -> StreamProfile:
         ...
     def get_system_timestamp(self) -> int:
         ...
@@ -3415,13 +3415,13 @@ class Pipeline:
         ...
     def get_camera_param(self) -> OBCameraParam:
         ...
-    def get_config(self) -> ...:
+    def get_config(self) -> Config:
         ...
-    def get_d2c_depth_profile_list(self, arg0: ..., arg1: OBAlignMode) -> ...:
+    def get_d2c_depth_profile_list(self, arg0: ..., arg1: OBAlignMode) -> StreamProfileList:
         ...
     def get_device(self) -> Device:
         ...
-    def get_stream_profile_list(self, arg0: OBSensorType) -> ...:
+    def get_stream_profile_list(self, arg0: OBSensorType) -> StreamProfileList:
         ...
     @typing.overload
     def start(self, arg0: ...) -> None:
@@ -3459,7 +3459,7 @@ class Sensor:
         ...
     def get_recommended_filters(self) -> list[Filter]:
         ...
-    def get_stream_profile_list(self) -> ...:
+    def get_stream_profile_list(self) -> StreamProfileList:
         ...
     def get_type(self) -> OBSensorType:
         ...
@@ -3511,11 +3511,11 @@ class SpatialAdvancedFilter(Filter):
     def set_filter_params(self, arg0: OBSpatialAdvancedFilterParams) -> None:
         ...
 class StreamProfile:
-    def as_accel_stream_profile(self) -> ...:
+    def as_accel_stream_profile(self) -> AccelStreamProfile:
         ...
-    def as_gyro_stream_profile(self) -> ...:
+    def as_gyro_stream_profile(self) -> GyroStreamProfile:
         ...
-    def as_video_stream_profile(self) -> ...:
+    def as_video_stream_profile(self) -> VideoStreamProfile:
         ...
     def get_extrinsic_to(self, arg0: StreamProfile) -> OBExtrinsic:
         ...
@@ -3571,13 +3571,13 @@ class ThresholdFilter(Filter):
 class VideoFrame(Frame):
     def __repr__(self) -> None:
         ...
-    def as_color_frame(self) -> ...:
+    def as_color_frame(self) -> ColorFrame:
         ...
-    def as_depth_frame(self) -> ...:
+    def as_depth_frame(self) -> DepthFrame:
         ...
-    def as_ir_frame(self) -> ...:
+    def as_ir_frame(self) -> IRFrame:
         ...
-    def as_points_frame(self) -> ...:
+    def as_points_frame(self) -> PointsFrame:
         ...
     def get_height(self) -> int:
         ...