Fix conversation disappearing issue, change UI to English, remove model selection

app.py

@@ -27,7 +27,7 @@ def image_to_base64(image):
     
     return None
 
-def call_step_api_stream(message, history, model, temperature, max_tokens, image=None):
+def call_step_api_stream(message, history, temperature, max_tokens, image=None):
     """调用Step API进行流式对话"""
     
     if not message and not image:
@@ -35,7 +35,7 @@ def call_step_api_stream(message, history, model, temperature, max_tokens, image
         return
     
     if not STEP_API_KEY:
-        history.append([message or "图片", "❌ API密钥未配置。请在 Settings 中添加 STEP_API_KEY。"])
+        history.append([message or "[Image]", "❌ API key not configured. Please add STEP_API_KEY in Settings."])
         yield history
         return
     
@@ -55,7 +55,7 @@ def call_step_api_stream(message, history, model, temperature, max_tokens, image
         try:
             base64_image = image_to_base64(image)
             if base64_image is None:
-                history.append([message or "图片", "❌ 图片处理失败"])
+                history.append([message or "[Image]", "❌ Failed to process image"])
                 yield history
                 return
             
@@ -66,9 +66,9 @@ def call_step_api_stream(message, history, model, temperature, max_tokens, image
                 current_content.append({"type": "text", "text": message})
             
             messages.append({"role": "user", "content": current_content})
-            display_message = f"[图片] {message}" if message else "[图片]"
+            display_message = f"[Image] {message}" if message else "[Image]"
         except Exception as e:
-            history.append([message or "图片", f"❌ 图片处理错误: {str(e)}"])
+            history.append([message or "[Image]", f"❌ Image processing error: {str(e)}"])
             yield history
             return
     else:
@@ -83,14 +83,14 @@ def call_step_api_stream(message, history, model, temperature, max_tokens, image
     try:
         client = OpenAI(api_key=STEP_API_KEY, base_url=BASE_URL)
     except Exception as e:
-        history[-1][1] = f"❌ 客户端初始化失败: {str(e)}"
+        history[-1][1] = f"❌ Client initialization failed: {str(e)}"
         yield history
         return
     
     # 调用API
     try:
         response = client.chat.completions.create(
-            model=model,
+            model="step-3",
             messages=messages,
             temperature=temperature,
             max_tokens=max_tokens,
@@ -108,7 +108,7 @@ def call_step_api_stream(message, history, model, temperature, max_tokens, image
                     yield history
                     
     except Exception as e:
-        history[-1][1] = f"❌ API请求失败: {str(e)}"
+        history[-1][1] = f"❌ API request failed: {str(e)}"
         yield history
 
 def user_input(message, history, image):
@@ -118,7 +118,7 @@ def user_input(message, history, image):
     return message, history, image
 
 def clear_history():
-    """清空对话历史"""
+    """Clear conversation history"""
     return [], None, ""
 
 # 创建Gradio界面
@@ -141,8 +141,8 @@ with gr.Blocks(title="Step-3", theme=gr.themes.Soft()) as demo:
             with gr.Row():
                 with gr.Column(scale=8):
                     msg = gr.Textbox(
-                        label="输入消息",
-                        placeholder="输入你的问题...",
+                        label="Input message",
+                        placeholder="Type your question here...",
                         lines=1,
                         max_lines=5,
                         show_label=False,
@@ -150,14 +150,14 @@ with gr.Blocks(title="Step-3", theme=gr.themes.Soft()) as demo:
                         container=False
                     )
                 with gr.Column(scale=1, min_width=100):
-                    submit_btn = gr.Button("发送", variant="primary")
+                    submit_btn = gr.Button("Send", variant="primary")
                 with gr.Column(scale=1, min_width=100):
-                    clear_btn = gr.Button("清空对话")
+                    clear_btn = gr.Button("Clear")
             
             # 图片上传
             with gr.Row():
                 image_input = gr.Image(
-                    label="上传图片（可选）",
+                    label="Upload Image (Optional)",
                     type="pil",
                     height=150,
                     scale=1
@@ -165,14 +165,9 @@ with gr.Blocks(title="Step-3", theme=gr.themes.Soft()) as demo:
         
         with gr.Column(scale=1):
             # 设置面板
-            gr.Markdown("### ⚙️ 设置")
+            gr.Markdown("### ⚙️ Settings")
             
-            model_select = gr.Dropdown(
-                choices=MODELS,
-                value=MODELS[0],
-                label="模型选择",
-                interactive=True
-            )
+
             
             temperature_slider = gr.Slider(
                 minimum=0,
@@ -188,16 +183,16 @@ with gr.Blocks(title="Step-3", theme=gr.themes.Soft()) as demo:
                 maximum=4000,
                 value=2000,
                 step=100,
-                label="最大输出长度",
+                label="Max Output Length",
                 interactive=True
             )
             
             gr.Markdown("""
-            ### 📝 使用说明
-            - 支持多轮对话
-            - 可上传图片进行分析
-            - 支持纯文本对话
-            - 历史记录会保留上下文
+            ### 📝 Instructions
+            - Multi-turn conversation support
+            - Upload images for analysis
+            - Pure text conversation support
+            - Context preserved in history
             """)
     
     # 事件处理
@@ -208,7 +203,7 @@ with gr.Blocks(title="Step-3", theme=gr.themes.Soft()) as demo:
         queue=False
     ).then(
         call_step_api_stream,
-        [msg, chatbot, model_select, temperature_slider, max_tokens_slider, image_input],
+        [msg, chatbot, temperature_slider, max_tokens_slider, image_input],
         chatbot
     )
     
@@ -219,7 +214,7 @@ with gr.Blocks(title="Step-3", theme=gr.themes.Soft()) as demo:
         queue=False
     ).then(
         call_step_api_stream,
-        [msg, chatbot, model_select, temperature_slider, max_tokens_slider, image_input],
+        [msg, chatbot, temperature_slider, max_tokens_slider, image_input],
         chatbot
     )
     
@@ -242,5 +237,8 @@ with gr.Blocks(title="Step-3", theme=gr.themes.Soft()) as demo:
 
 # 启动应用
 if __name__ == "__main__":
-    demo.queue()
-    demo.launch()
+    demo.queue(max_size=10)
+    demo.launch(
+        share=False,
+        debug=True
+    )