diff --git a/projects/rtmpose3d/README.md b/projects/rtmpose3d/README.md
index b8cd0adcda..c1989dc819 100644
--- a/projects/rtmpose3d/README.md
+++ b/projects/rtmpose3d/README.md
@@ -20,5 +20,5 @@ Please refer to our [technical report](https://arxiv.org/pdf/2407.08634) for mor
 ```bash
 cd /path/to/mmpose/projects/rtmpose3d
 export PYTHONPATH=$(pwd):$PYTHONPATH
-python body3d_img2pose_demo.py configs/rtmdet_m_640-8xb32_coco-person.py https://download.openmmlab.com/mmpose/v1/projects/rtmpose/rtmdet_m_8xb32-100e_coco-obj365-person-235e8209.pth configs\rtmw3d-l_8xb64_cocktail14-384x288.py rtmw3d-l_cock14-0d4ad840_20240422.pth --input /path/to/image --output-root /path/to/output
+python body3d_img2pose_demo.py configs/rtmdet_m_640-8xb32_coco-person.py https://download.openmmlab.com/mmpose/v1/projects/rtmpose/rtmdet_m_8xb32-100e_coco-obj365-person-235e8209.pth configs/rtmw3d-l_8xb64_cocktail14-384x288.py https://download.openmmlab.com/mmpose/v1/wholebody_3d_keypoint/rtmw3d/rtmw3d-l_8xb64_cocktail14-384x288-794dbc78_20240626.pth --input /path/to/image --output-root ./
 ```
diff --git a/projects/rtmpose3d/demo/body3d_img2pose_demo.py b/projects/rtmpose3d/body3d_img2pose_demo.py
similarity index 100%
rename from projects/rtmpose3d/demo/body3d_img2pose_demo.py
rename to projects/rtmpose3d/body3d_img2pose_demo.py
diff --git a/projects/rtmpose3d/configs/rtmdet_m_640-8xb32_coco-person.py b/projects/rtmpose3d/configs/rtmdet_m_640-8xb32_coco-person.py
new file mode 100644
index 0000000000..620de8dc8f
--- /dev/null
+++ b/projects/rtmpose3d/configs/rtmdet_m_640-8xb32_coco-person.py
@@ -0,0 +1,20 @@
+_base_ = 'mmdet::rtmdet/rtmdet_m_8xb32-300e_coco.py'
+
+checkpoint = 'https://download.openmmlab.com/mmdetection/v3.0/rtmdet/cspnext_rsb_pretrain/cspnext-m_8xb256-rsb-a1-600e_in1k-ecb3bbd9.pth'  # noqa
+
+model = dict(
+    backbone=dict(
+        init_cfg=dict(
+            type='Pretrained', prefix='backbone.', checkpoint=checkpoint)),
+    bbox_head=dict(num_classes=1),
+    test_cfg=dict(
+        nms_pre=1000,
+        min_bbox_size=0,
+        score_thr=0.05,
+        nms=dict(type='nms', iou_threshold=0.6),
+        max_per_img=100))
+
+train_dataloader = dict(dataset=dict(metainfo=dict(classes=('person', ))))
+
+val_dataloader = dict(dataset=dict(metainfo=dict(classes=('person', ))))
+test_dataloader = val_dataloader
diff --git a/projects/rtmpose3d/rtmpose3d/simcc_3d_label.py b/projects/rtmpose3d/rtmpose3d/simcc_3d_label.py
index 22e42079c8..db2de60e92 100644
--- a/projects/rtmpose3d/rtmpose3d/simcc_3d_label.py
+++ b/projects/rtmpose3d/rtmpose3d/simcc_3d_label.py
@@ -210,7 +210,7 @@ def _generate_gaussian(
         self,
         keypoints: np.ndarray,
         keypoints_visible: Optional[np.ndarray] = None
-    ) -> tuple[ndarray, ndarray, ndarray, ndarray]:
+    ) -> Tuple[ndarray, ndarray, ndarray, ndarray]:
         """Encoding keypoints into SimCC labels with Gaussian Label Smoothing
         strategy."""