diff --git a/demo_gradio.py b/demo_gradio.py
index 8dcef991..5bf33cec 100644
--- a/demo_gradio.py
+++ b/demo_gradio.py
@@ -313,6 +313,15 @@ def update_visualization(
     return glbfile, "Updating Visualization"
 
 
+def check_target_dir(target_dir):
+    """
+    Check if the target_dir exists.
+    """
+    if not os.path.isdir(target_dir):
+        return "None"
+    return target_dir
+
+
 # -------------------------------------------------------------------------
 # Example images
 # -------------------------------------------------------------------------
@@ -449,6 +458,7 @@ def update_visualization(
                     [input_video, input_images, reconstruction_output, log_output, target_dir_output, image_gallery],
                     scale=1,
                 )
+                reload_btn = gr.Button("Reload", scale=1, variant="secondary")
 
             with gr.Row():
                 prediction_mode = gr.Radio(
@@ -459,6 +469,14 @@ def update_visualization(
                     elem_id="my_radio",
                 )
 
+            with gr.Row():
+                gr.Interface(
+                    fn=check_target_dir,
+                    inputs=[gr.Textbox(label="Input Existing target_dir", value="/path/to/target_dir")],
+                    outputs=[target_dir_output],
+                    flagging_mode="never",
+                )
+
             with gr.Row():
                 conf_thres = gr.Slider(minimum=0, maximum=100, value=50, step=0.1, label="Confidence Threshold (%)")
                 frame_filter = gr.Dropdown(choices=["All"], value="All", label="Show Points from Frame")
@@ -559,6 +577,45 @@ def example_pipeline(
         fn=lambda: "False", inputs=[], outputs=[is_example]  # set is_example to "False"
     )
 
+    # -------------------------------------------------------------------------
+    # "Reload" button logic:
+    #  - Clear fields
+    #  - Check prediction
+    #  - Then update visualization
+    # -------------------------------------------------------------------------
+    def check_prediction(target_dir):
+        if not os.path.exists(target_dir):
+            is_example = "True"
+            return "None", is_example
+        else:
+            is_example = "False"
+            return target_dir, is_example
+
+    reload_btn.click(fn=clear_fields, inputs=[], outputs=[]).then(
+        fn=update_log, inputs=[], outputs=[log_output]
+    ).then(
+        fn=check_prediction,
+        inputs=[target_dir_output],
+        outputs=[
+                    target_dir_output,
+                    is_example,
+                ]
+    ).then(
+        update_visualization,
+        inputs=[
+                    target_dir_output,
+                    conf_thres,
+                    frame_filter,
+                    mask_black_bg,
+                    mask_white_bg,
+                    show_cam,
+                    mask_sky,
+                    prediction_mode,
+                    is_example,
+        ],
+        outputs=[reconstruction_output, log_output],
+    )
+
     # -------------------------------------------------------------------------
     # Real-time Visualization Updates
     # -------------------------------------------------------------------------