default_generate_conclusion_sentence_prompt = """

app.py

@@ -192,11 +192,13 @@ def generate_conclusion_sentences(model, max_tokens, sys_content, scenario, eng_
         "model": model,
         "messages": messages,
         "max_tokens": max_tokens,
+        "response_format": { "type": "json_object" }
     }
 
     response = OPEN_AI_CLIENT.chat.completions.create(**request_payload)
-    content = response.choices[0].message.content.strip()
-    gr_update = gr.update(choices=[content])
+    response_content = json.loads(response.choices[0].message.content)
+    json_content = response_content["results"]
+    gr_update = gr.update(choices=[json_content])
 
     return gr_update
 
@@ -561,11 +563,20 @@ with gr.Blocks(theme=gr.themes.Soft(primary_hue=gr.themes.colors.blue, secondary
                     I'm aiming to improve my writing. 
                     By the topic sentence, please assist me by "Developing conclusion sentences" 
                     based on keywords of points to finish a paragrpah as an example.
+                    
+                    Rules:
                     - Make sure any revised vocabulary aligns with the correctly eng_level. 
                     - Guidelines for Length and Complexity: 
-                    Please keep the example concise and straightforward, 
-                    avoiding overly technical language. 
-                    Total word-count is around 20.
+                    - Please keep the example concise and straightforward, 
+                    - Total word-count is around 20. 
+
+                     Restrictions:
+                    - avoiding overly technical language. 
+                    - no more explanation either no more extra non-relation sentences. this is very important.
+
+                    Output use JSON format
+                    EXAMPLE:
+                    {{"results": "Thus, drinking water every day keeps us healthy and strong."}}
                 """
                 user_generate_conclusion_sentence_prompt = gr.Textbox(label="Conclusion Sentence Prompt", value=default_generate_conclusion_sentence_prompt, visible=False)
             
@@ -585,7 +596,7 @@ with gr.Blocks(theme=gr.themes.Soft(primary_hue=gr.themes.colors.blue, secondary
                 with gr.Column():
                     conclusion_sentence_input = gr.Textbox(label="寫出總結段落的結論句")
                 with gr.Column():
-                    generate_conclusion_sentence_button = gr.Button("讓 JUTOR 產生例句，幫助你撰寫結論句。")
+                    generate_conclusion_sentence_button = gr.Button("讓 JUTOR 產生例句，幫助你撰寫結論句。", variant="primary")
                     conclusion_sentence_output = gr.Radio(choices=[], label="AI Generated Conclusion Sentence 結論句")
 
                     conclusion_sentence_output.select(
@@ -622,7 +633,7 @@ with gr.Blocks(theme=gr.themes.Soft(primary_hue=gr.themes.colors.blue, secondary
                             - 最後，段落應該有一個結論句，總結主要觀點，強化所要傳遞的資訊。
                         """)
             with gr.Row():
-                generate_paragraph_button = gr.Button("Generate Paragraph")
+                generate_paragraph_button = gr.Button("Generate Paragraph", variant="primary")
             with gr.Row():
                 paragraph_output = gr.Textbox(label="Generated Paragraph 完整段落", show_copy_button=True)