Update app.py

app.py

@@ -421,7 +421,14 @@ with gr.Blocks(theme=seafoam) as demo:
     with gr.Row():
         with gr.Column():
             peak_data = gr.File(file_count="single", label="Upload MS/MS spectrum file in .msp format", elem_classes=".file-upload-height")
-            gr.Examples(['./example_spectrum.mgf'], inputs = ["ChEBI: products of nature or synthetic products database",peak_data,"HCD","[M+H]+",428.0356,40])
+            gr.Examples(
+    examples=[
+        ["example_spectrum.msp", "HCD", "[M+H]+", "428.0356", "40"]
+    ],
+    inputs=[peak_data, instru, ionmode, par_ion_mass, collision_e],
+    outputs=[spectrum_output],
+    label="Upload Example Spectrum"
+)
         spectrum_output = gr.Plot(label="Mass Spectrum",elem_id="custom_plot")
         peak_data.change(fn=draw_mass_spectrum, inputs=[peak_data], outputs=[spectrum_output])    
     with gr.Row():
@@ -461,7 +468,14 @@ with gr.Blocks(theme=seafoam) as demo:
     with gr.Tab("📁 Upload structure file"):
         with gr.Row():
             with gr.Column():
-                user_dataset= gr.File(file_count="single", label="Upload the candidate structure file in csv format, columns=['SMIELS']",elem_classes="file-upload-height2")       
+                user_dataset= gr.File(file_count="single", label="Upload the candidate structure file in csv format, columns=['SMIELS']",elem_classes="file-upload-height2")
+                gr.Examples(
+                examples=[
+                    ["user-defined structure file for spectrum1.csv"]
+                ],
+                inputs=[user_dataset],
+                label="Upload Example structural file"
+            )
         with gr.Column():
             user_button = gr.Button("Cross-Modal Retrieval")
             user_output = gr.Gallery(height='auto',columns=4,elem_classes="gallery-height",label='Cross-modal retrieval results')