Update hg_app.py

hg_app.py

@@ -268,7 +268,7 @@ def build_app():
                     
                     #with gr.Tab('Text Prompt', id='tab_txt_prompt', visible=HAS_T2I) as tab_tp:
                     with gr.Tab('Text Prompt', id='tab_txt_prompt') as tab_tp:
-                        caption = gr.Textbox(label='Text Prompt',
+                        caption = gr.Textbox(lines = 5 , label='Text Prompt',
                                              placeholder='HunyuanDiT will be used to generate image.',
                                              info='Example: A 3D model of a cute cat, white background')