diff --git a/src/gradio_pipeline.py b/src/gradio_pipeline.py
index 5b63fe1..c6956fa 100644
--- a/src/gradio_pipeline.py
+++ b/src/gradio_pipeline.py
@@ -23,7 +23,7 @@ from .utils.camera import get_rotation_matrix
 from .utils.video import get_fps, has_audio_stream, concat_frames, images2video, add_audio_to_video
 from .utils.helper import is_square_video, mkdir, dct2device, basename
 from .utils.retargeting_utils import calc_eye_close_ratio, calc_lip_close_ratio
-
+from skimage.exposure import match_histograms
 
 def update_args(args, user_args):
     """update the args according to user inputs
@@ -426,6 +426,8 @@ class GradioPipeline(LivePortraitPipeline):
                     I_p_lst.append(I_p_i)
 
                     if flag_do_crop_input_retargeting_video:
+                        I_p_i = match_histograms(I_p_i,img_crop_256x256_lst[i])
+                        I_p_i = np.clip(I_p_i,0,255).astype(np.uint8)
                         I_p_pstbk = paste_back(I_p_i, source_M_c2o_lst[i], source_rgb_lst[i], mask_ori_lst[i])
                         I_p_pstbk_lst.append(I_p_pstbk)
         else:
@@ -447,6 +449,8 @@ class GradioPipeline(LivePortraitPipeline):
                 I_p_lst.append(I_p_i)
 
                 if flag_do_crop_input_retargeting_video:
+                    I_p_i = match_histograms(I_p_i,img_crop_256x256_lst[i])
+                    I_p_i = np.clip(I_p_i,0,255).astype(np.uint8)
                     I_p_pstbk = paste_back(I_p_i, source_M_c2o_lst[i], source_rgb_lst[i], mask_ori_lst[i])
                     I_p_pstbk_lst.append(I_p_pstbk)