diff --git a/nodes.py b/nodes.py
index e761d3d..5cd2ad6 100644
--- a/nodes.py
+++ b/nodes.py
@@ -70,7 +70,7 @@ def process_traj(points_str,frame_length):
 
     return optical_flow
     
-def save_results(video, fps=10,traj="[]",draw_traj_dot=False,cameras=[],draw_camera_dot=False):
+def save_results(video, fps=10,traj="[]",draw_traj_dot=False,cameras=[],draw_camera_dot=False,context_overlap=0):
     
     # b,c,t,h,w
     video = video.detach().cpu()
@@ -117,7 +117,7 @@ def save_results(video, fps=10,traj="[]",draw_traj_dot=False,cameras=[],draw_cam
         #writer.append_data(img)
 
     #writer.close()
-    return torch.cat(tuple(outframes), dim=0).unsqueeze(0)
+    return torch.cat(tuple(outframes[context_overlap:]), dim=0).unsqueeze(0)
 
 MOTION_CAMERA_OPTIONS = ["U", "D", "L", "R", "O", "O_0.2x", "O_0.4x", "O_1.0x", "O_2.0x", "O_0.2x", "O_0.2x", "Round-RI", "Round-RI_90", "Round-RI-120", "Round-ZoomIn", "SPIN-ACW-60", "SPIN-CW-60", "I", "I_0.2x", "I_0.4x", "I_1.0x", "I_2.0x", "1424acd0007d40b5", "d971457c81bca597", "018f7907401f2fef", "088b93f15ca8745d", "b133a504fc90a2d1"]
 
@@ -419,24 +419,21 @@ class MotionctrlSampleSimple:
         comfy_path = os.path.dirname(folder_paths.__file__)
         pred_x0_path = os.path.join(comfy_path, 'custom_nodes/ComfyUI-MotionCtrl/pred_x0.pt')
         x_inter_path = os.path.join(comfy_path, 'custom_nodes/ComfyUI-MotionCtrl/x_inter.pt')
-        
+        randt=torch.randn([noise_shape[0],noise_shape[1],frame_length-context_overlap,noise_shape[3],noise_shape[4]], device=device)
+        randt_np=randt.detach().cpu().numpy()
+
         if context_overlap>0:
             if os.path.exists(pred_x0_path):
                 pre_x0=torch.load(pred_x0_path)
+                pre_x0_np=pre_x0[-1].detach().cpu().numpy()
+                pre_x0_np_overlap = np.concatenate((pre_x0_np[:,:,-context_overlap:], randt_np), axis=2)
+                x0=torch.tensor(pre_x0_np_overlap, device=device)
             if os.path.exists(x_inter_path):
                 pre_x_T=torch.load(x_inter_path)
-
-            pre_x0_np=pre_x0[-1].detach().cpu().numpy()
-            pre_x_T_np=pre_x_T[-1].detach().cpu().numpy()
-            
-            randt=torch.randn([noise_shape[0],noise_shape[1],frame_length-context_overlap,noise_shape[3],noise_shape[4]], device=device)
-            randt_np=randt.detach().cpu().numpy()
-
-            pre_x0_np_overlap = np.concatenate((pre_x0_np[:,:,-context_overlap:], randt_np), axis=2)
-            x0=torch.tensor(pre_x0_np_overlap, device=device)
-            pre_x_T_np_overlap = np.concatenate((pre_x_T_np[:,:,-context_overlap:], randt_np), axis=2)
-            x_T=torch.tensor(pre_x_T_np_overlap, device=device)
-
+                pre_x_T_np=pre_x_T[-1].detach().cpu().numpy()
+                pre_x_T_np_overlap = np.concatenate((pre_x_T_np[:,:,-context_overlap:], randt_np), axis=2)
+                x_T=torch.tensor(pre_x_T_np_overlap, device=device)
+        
         for _ in range(n_samples):
             if ddim_sampler is not None:
                 samples, intermediates = ddim_sampler.sample(S=ddim_steps,
@@ -479,7 +476,7 @@ class MotionctrlSampleSimple:
         
         torch.save(intermediates['x_inter'], x_inter_path)
         torch.save(intermediates['pred_x0'], pred_x0_path)
-        ret = save_results(batch_variants, fps=10,traj=traj_list,draw_traj_dot=draw_traj_dot,cameras=rt_list,draw_camera_dot=draw_camera_dot)
+        ret = save_results(batch_variants, fps=10,traj=traj_list,draw_traj_dot=draw_traj_dot,cameras=rt_list,draw_camera_dot=draw_camera_dot,context_overlap=context_overlap)
         #print(ret)
         return ret
         
diff --git a/turbo/api.py b/turbo/api.py
index a04bfc0..36a21ff 100644
--- a/turbo/api.py
+++ b/turbo/api.py
@@ -130,7 +130,15 @@ def handle_message(message):
 @socketio.on('camera_poses')
 def handle_message(camera_poses):
     print(f'camera_poses:{request.sid} {camera_poses}')
-    
+    cams=json.loads(camera_poses["camera_poses"])
+    trajs=json.loads(camera_poses["trajs"])
+    if len(cams)>1 and len(trajs)>1:
+        prompt["60"]["inputs"]["infer_mode"] = "control both camera and object motion"
+    elif len(trajs)>1:
+        prompt["60"]["inputs"]["infer_mode"] = "control object trajectory"
+    else:
+        prompt["60"]["inputs"]["infer_mode"] = "control camera poses"
+
     prompt["60"]["inputs"]["prompt"] = camera_poses["prompt"]
     prompt["60"]["inputs"]["camera"] = camera_poses["camera_poses"]
     prompt["60"]["inputs"]["traj"] = camera_poses["trajs"]