test

main.py

@@ -119,22 +119,21 @@ def process_message(msg, display, image_state, image_data_list, printer_uart=Non
     if isinstance(msg, (bytes, bytearray)):
         if image_state == IMAGE_STATE_RECEIVING:
             try:
-                if len(image_data_list) < 3:
+                if len(image_data_list) < 2:
                      # 异常情况，重置
                      return IMAGE_STATE_IDLE, None
                 
-                width = image_data_list[0]
+                img_size = image_data_list[0]
-                height = image_data_list[1]
+                current_offset = image_data_list[1]
-                current_offset = image_data_list[2]
                 
                 # Stream directly to display
                 if display and display.tft:
-                    x = (240 - width) // 2
+                    x = (240 - img_size) // 2
-                    y = (240 - height) // 2
+                    y = (240 - img_size) // 2
-                    display.show_image_chunk(x, y, width, height, msg, current_offset)
+                    display.show_image_chunk(x, y, img_size, img_size, msg, current_offset)
                 
                 # Update offset
-                image_data_list[2] += len(msg)
+                image_data_list[1] += len(msg)
                 
             except Exception as e:
                 print(f"Stream image error: {e}")
@@ -196,28 +195,22 @@ def process_message(msg, display, image_state, image_data_list, printer_uart=Non
         try:
             parts = msg.split(":")
             size = int(parts[1])
+            img_size = int(parts[2]) if len(parts) > 2 else 64
+            model_name = parts[3] if len(parts) > 3 else "Unknown Model"
             
-            width = 64
+            print(f"Image start, size: {size}, img_size: {img_size}")
-            height = 64
+            convert_img.print_model_info(model_name)
             
-            if len(parts) >= 4:
-                width = int(parts[2])
-                height = int(parts[3])
-            elif len(parts) == 3:
-                width = int(parts[2])
-                height = int(parts[2]) # assume square
-            
-            print(f"Image start, size: {size}, dim: {width}x{height}")
             image_data_list.clear()
-            image_data_list.append(width)  # index 0
+            image_data_list.append(img_size) # Store metadata at index 0
-            image_data_list.append(height) # index 1
+            image_data_list.append(0)        # Store current received bytes offset at index 1
-            image_data_list.append(0)      # index 2: offset
             
             # Prepare display for streaming
             if display and display.tft:
-                # Clear screen area where image will be
+                # Calculate position
-                # optional, but good practice if new image is smaller
+                x = (240 - img_size) // 2
-                pass
+                y = (240 - img_size) // 2
+                # Pre-set window (this will be done in first chunk call)
             
             return IMAGE_STATE_RECEIVING, None
         except Exception as e:

websocket_server/docker-compose.yml

@@ -8,5 +8,6 @@ services:
       - "8811:8000"
     volumes:
       - ./output_images:/app/output_images
+      - ./media:/app/media
       - ./.env:/app/.env
     restart: unless-stopped

websocket_server/image_generator.py

@@ -10,6 +10,7 @@ from dashscope import ImageSynthesis, Generation
 load_dotenv()
 dashscope.api_key = os.getenv("DASHSCOPE_API_KEY")
 
+
 class ImageGenerator:
     def __init__(self, provider="dashscope", model=None):
         self.provider = provider
@@ -19,7 +20,7 @@ class ImageGenerator:
         if provider == "doubao":
             self.api_key = os.getenv("volcengine_API_KEY")
             if not self.model:
-                self.model = "doubao-seedream-5-0-260128" # Default model from user input
+                self.model = "doubao-seedream-4.0"
         elif provider == "dashscope":
             self.api_key = os.getenv("DASHSCOPE_API_KEY")
             if not self.model:
@@ -35,14 +36,15 @@ class ImageGenerator:
         system_prompt = """你是一个AI图像提示词优化专家。你的任务是将用户的语音识别结果转化为适合生成"黑白线稿"的提示词。
 关键要求：
 1. 风格必须是：简单的黑白线稿、简笔画、图标风格 (Line art, Sketch, Icon style)。
-2. 画面必须清晰、线条粗壮，适合低分辨率热敏打印机打印。
+2. 画面必须清晰、线条粗壮，适合低分辨率热敏打印机打印,用来生成标签贴纸。
 3. 绝对不要有复杂的阴影、渐变、黑白线条描述。
 4. 背景必须是纯白 (White background)。
-5. 提示词内容请使用中文描述，因为绘图模型对中文生成要更准确。
+5. 提示词内容请使用英文描述，因为绘图模型对英文生成要更准确。
 6. 尺寸比例遵循宽48mm:高30mm (约 1.6:1)。
 7. 直接输出优化后的提示词，不要包含任何解释。
-如果用户要求输入文字，则用```把文字包裹起来，文字是中文
+如果用户要求输入文字，则用```把文字包裹起来，如果用户有中文文字，则用中文包裹起来。所有文字都是中文，描述都是英文。
-"房子的旁边有一个小孩，黑白线稿画作，卡通形象， 文字:```中国人```在下方。"
+example:
+"A house with a child on the side, black and white line art, cartoon style, text:```中国人``` below."
 """
 
         try:
@@ -52,17 +54,20 @@ class ImageGenerator:
             # Currently using Qwen-Turbo for all providers for prompt optimization
             # You can also decouple this if needed
             response = Generation.call(
-                model='qwen3.5-plus',
+                model="qwen-plus",
-                prompt=f'{system_prompt}\n\n用户语音识别结果：{asr_text}\n\n优化后的提示词：',
+                prompt=f"{system_prompt}\n\n用户语音识别结果：{asr_text}\n\n优化后的提示词：",
                 max_tokens=200,
-                temperature=0.8
+                temperature=0.8,
             )
 
             if response.status_code == 200:
-                if hasattr(response, 'output') and response.output and \
+                if (
-                   hasattr(response.output, 'choices') and response.output.choices and \
+                    hasattr(response, "output")
-                   len(response.output.choices) > 0:
+                    and response.output
-                    
+                    and hasattr(response.output, "choices")
+                    and response.output.choices
+                    and len(response.output.choices) > 0
+                ):
                     optimized = response.output.choices[0].message.content.strip()
                     print(f"Optimized prompt: {optimized}")
 
@@ -70,7 +75,11 @@ class ImageGenerator:
                         progress_callback(30, f"提示词优化完成: {optimized[:50]}...")
 
                     return optimized
-                elif hasattr(response, 'output') and response.output and hasattr(response.output, 'text'):
+                elif (
+                    hasattr(response, "output")
+                    and response.output
+                    and hasattr(response.output, "text")
+                ):
                     optimized = response.output.text.strip()
                     print(f"Optimized prompt (direct text): {optimized}")
                     if progress_callback:
@@ -82,7 +91,9 @@ class ImageGenerator:
                         progress_callback(0, "提示词优化响应格式错误")
                     return asr_text
             else:
-                print(f"Prompt optimization failed: {response.code} - {response.message}")
+                print(
+                    f"Prompt optimization failed: {response.code} - {response.message}"
+                )
                 if progress_callback:
                     progress_callback(0, f"提示词优化失败: {response.message}")
                 return asr_text
@@ -110,9 +121,7 @@ class ImageGenerator:
 
         try:
             response = ImageSynthesis.call(
-                model=self.model,
+                model=self.model, prompt=prompt, size="1280*720"
-                prompt=prompt,
-                size='1280*720'
             )
 
             if response.status_code == 200:
@@ -120,32 +129,36 @@ class ImageGenerator:
                     print("Error: response.output is None")
                     return None
 
-                task_status = response.output.get('task_status')
+                task_status = response.output.get("task_status")
 
-                if task_status == 'PENDING' or task_status == 'RUNNING':
+                if task_status == "PENDING" or task_status == "RUNNING":
                     print("Waiting for image generation to complete...")
                     if progress_callback:
                         progress_callback(45, "AI正在生成图片中...")
 
-                    task_id = response.output.get('task_id')
+                    task_id = response.output.get("task_id")
                     max_wait = 120
                     waited = 0
                     while waited < max_wait:
                         time.sleep(2)
                         waited += 2
                         task_result = ImageSynthesis.fetch(task_id)
-                        if task_result.output.task_status == 'SUCCEEDED':
+                        if task_result.output.task_status == "SUCCEEDED":
                             response.output = task_result.output
                             break
-                        elif task_result.output.task_status == 'FAILED':
+                        elif task_result.output.task_status == "FAILED":
-                            error_msg = task_result.output.message if hasattr(task_result.output, 'message') else 'Unknown error'
+                            error_msg = (
+                                task_result.output.message
+                                if hasattr(task_result.output, "message")
+                                else "Unknown error"
+                            )
                             print(f"Image generation failed: {error_msg}")
                             if progress_callback:
                                 progress_callback(35, f"图片生成失败: {error_msg}")
                             return None
 
-                if response.output.get('task_status') == 'SUCCEEDED':
+                if response.output.get("task_status") == "SUCCEEDED":
-                    image_url = response.output['results'][0]['url']
+                    image_url = response.output["results"][0]["url"]
                     print(f"Image generated, url: {image_url}")
                     return image_url
             else:
@@ -170,7 +183,7 @@ class ImageGenerator:
         url = "https://ark.cn-beijing.volces.com/api/v3/images/generations"
         headers = {
             "Content-Type": "application/json",
-            "Authorization": f"Bearer {self.api_key}"
+            "Authorization": f"Bearer {self.api_key}",
         }
         data = {
             "model": self.model,
@@ -181,7 +194,7 @@ class ImageGenerator:
             # User's curl says "2K". I will stick to it or maybe check docs.
             # Actually for thermal printer, we don't need 2K. But let's follow user example.
             "stream": False,
-            "watermark": True
+            "watermark": True,
         }
 
         try:
@@ -207,7 +220,9 @@ class ImageGenerator:
                     print(f"Unexpected response format: {result}")
                     return None
             else:
-                print(f"Doubao API failed with status {response.status_code}: {response.text}")
+                print(
+                    f"Doubao API failed with status {response.status_code}: {response.text}"
+                )
                 if progress_callback:
                     progress_callback(35, f"图片生成失败: {response.status_code}")
                 return None

websocket_server/server.py

@@ -1,4 +1,7 @@
 from fastapi import FastAPI, WebSocket, WebSocketDisconnect
+from fastapi.responses import HTMLResponse
+from fastapi.staticfiles import StaticFiles
+from contextlib import asynccontextmanager
 import uvicorn
 import asyncio
 import os
@@ -15,6 +18,7 @@ from dashscope.audio.asr import Recognition, RecognitionCallback, RecognitionRes
 # from dashscope import Generation
 
 import sys
+
 # import os
 # sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 import convert_img
@@ -28,7 +32,169 @@ dashscope.api_key = os.getenv("DASHSCOPE_API_KEY")
 # provider="doubao" or "dashscope"
 image_generator = ImageGenerator(provider="doubao")
 
-app = FastAPI()
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    cleanup_old_media()
+    print("Media cleanup completed on startup")
+    yield
+
+
+app = FastAPI(lifespan=lifespan)
+
+app.mount("/media", StaticFiles(directory="media"), name="media")
+
+
+# Admin API endpoints
+@app.get("/admin")
+async def admin_page():
+    with open(
+        os.path.join(os.path.dirname(__file__), "templates", "admin.html"), "r"
+    ) as f:
+        return HTMLResponse(content=f.read())
+
+
+@app.get("/api/admin/status")
+async def get_admin_status():
+    return {"provider": image_generator.provider, "model": image_generator.model}
+
+
+@app.post("/api/admin/switch")
+async def switch_provider(request: dict):
+    global image_generator
+    provider = request.get("provider")
+    if provider not in ["doubao", "dashscope"]:
+        return {"success": False, "message": "Invalid provider"}
+
+    old_provider = image_generator.provider
+    old_model = image_generator.model
+
+    image_generator = ImageGenerator(provider=provider)
+
+    return {
+        "success": True,
+        "message": f"Switched from {old_provider}/{old_model} to {provider}/{image_generator.model}",
+    }
+
+
+@app.post("/api/admin/model")
+async def set_model(request: dict):
+    global image_generator
+    provider = request.get("provider")
+    model = request.get("model")
+
+    if not provider or not model:
+        return {"success": False, "message": "Provider and model required"}
+
+    if provider not in ["doubao", "dashscope"]:
+        return {"success": False, "message": "Invalid provider"}
+
+    image_generator = ImageGenerator(provider=provider, model=model)
+
+    return {"success": True, "message": f"Model set to {provider}/{model}"}
+
+
+@app.post("/api/admin/test-generate")
+async def test_generate(request: dict):
+    prompt = request.get("prompt")
+    if not prompt:
+        return {"success": False, "message": "Prompt is required"}
+
+    def progress_callback(progress, message):
+        print(f"Test generation progress: {progress}% - {message}")
+
+    image_url = image_generator.generate_image(prompt, progress_callback)
+
+    if image_url:
+        local_path = save_to_media(image_url)
+        return {
+            "success": True,
+            "image_url": image_url,
+            "local_path": local_path,
+            "message": "Image generated successfully",
+        }
+    else:
+        return {"success": False, "message": "Image generation failed"}
+
+
+def save_to_media(image_url):
+    import urllib.request
+
+    timestamp = time.strftime("%Y%m%d_%H%M%S")
+    filename = f"image_{timestamp}.png"
+    filepath = os.path.join(MEDIA_FOLDER, filename)
+    try:
+        urllib.request.urlretrieve(image_url, filepath)
+        return filepath
+    except Exception as e:
+        print(f"Error saving to media: {e}")
+        return None
+
+
+@app.get("/api/admin/images")
+async def list_images():
+    images = []
+    if os.path.exists(MEDIA_FOLDER):
+        for f in sorted(os.listdir(MEDIA_FOLDER), reverse=True):
+            if f.endswith((".png", ".jpg", ".jpeg", ".gif", ".webp")):
+                filepath = os.path.join(MEDIA_FOLDER, f)
+                stat = os.stat(filepath)
+                images.append(
+                    {
+                        "name": f,
+                        "path": filepath,
+                        "size": stat.st_size,
+                        "created": stat.st_ctime,
+                        "url": f"/media/{f}",
+                    }
+                )
+    return {"images": images}
+
+
+@app.delete("/api/admin/images/{filename}")
+async def delete_image(filename: str):
+    safe_name = os.path.basename(filename)
+    filepath = os.path.join(MEDIA_FOLDER, safe_name)
+    if os.path.exists(filepath):
+        os.remove(filepath)
+        return {"success": True, "message": f"Deleted {safe_name}"}
+    return {"success": False, "message": "File not found"}
+
+
+@app.post("/api/admin/auto-delete")
+async def set_auto_delete(request: dict):
+    global auto_delete_hours, auto_delete_enabled
+    hours = request.get("hours")
+    enabled = request.get("enabled")
+    if hours is not None:
+        auto_delete_hours = int(hours)
+    if enabled is not None:
+        auto_delete_enabled = bool(enabled)
+    return {
+        "success": True,
+        "message": f"Auto-delete set to {auto_delete_hours}h, enabled: {auto_delete_enabled}",
+    }
+
+
+@app.get("/api/admin/auto-delete")
+async def get_auto_delete():
+    return {"hours": auto_delete_hours, "enabled": auto_delete_enabled}
+
+
+def cleanup_old_media():
+    if not auto_delete_enabled:
+        return
+    if not os.path.exists(MEDIA_FOLDER):
+        return
+    now = time.time()
+    for f in os.listdir(MEDIA_FOLDER):
+        if f.endswith((".png", ".jpg", ".jpeg", ".gif", ".webp")):
+            filepath = os.path.join(MEDIA_FOLDER, f)
+            age_hours = (now - os.stat(filepath).st_ctime) / 3600
+            if age_hours > auto_delete_hours:
+                print(f"Auto-deleting old image: {f}")
+                os.remove(filepath)
+
 
 # 字体文件配置
 FONT_FILE = "GB2312-16.bin"
@@ -43,6 +209,7 @@ font_cache = {}
 font_md5 = {}
 font_data_buffer = None
 
+
 def calculate_md5(filepath):
     """计算文件的MD5哈希值"""
     if not os.path.exists(filepath):
@@ -61,9 +228,9 @@ def get_font_data(unicode_val):
 
     try:
         char = chr(unicode_val)
-        gb_bytes = char.encode('gb2312')
+        gb_bytes = char.encode("gb2312")
         if len(gb_bytes) == 2:
-            code = struct.unpack('>H', gb_bytes)[0]
+            code = struct.unpack(">H", gb_bytes)[0]
             area = (code >> 8) - 0xA0
             index = (code & 0xFF) - 0xA0
 
@@ -123,6 +290,7 @@ def init_font_cache():
             get_font_data(unicode_val)
         print(f"Preloaded {len(font_cache)} high-frequency characters")
 
+
 # 启动时初始化字体缓存
 init_font_cache()
 
@@ -134,27 +302,37 @@ VOLUME_GAIN = 10.0
 GENERATED_IMAGE_FILE = "generated_image.png"
 GENERATED_THUMB_FILE = "generated_thumb.bin"
 OUTPUT_DIR = "output_images"
+MEDIA_FOLDER = "media"
 
 if not os.path.exists(OUTPUT_DIR):
     os.makedirs(OUTPUT_DIR)
+if not os.path.exists(MEDIA_FOLDER):
+    os.makedirs(MEDIA_FOLDER)
 
 image_counter = 0
 
+auto_delete_hours = 24
+auto_delete_enabled = True
+
+
 def get_output_path():
     global image_counter
     image_counter += 1
     timestamp = time.strftime("%Y%m%d_%H%M%S")
     return os.path.join(OUTPUT_DIR, f"image_{timestamp}_{image_counter}.png")
 
+
 THUMB_SIZE = 240
 
 # 字体请求队列（用于重试机制）
 font_request_queue = {}
 FONT_RETRY_MAX = 3
 
+
 # 图片生成任务管理
 class ImageGenerationTask:
     """图片生成任务管理类"""
+
     def __init__(self, task_id: str, asr_text: str, websocket: WebSocket):
         self.task_id = task_id
         self.asr_text = asr_text
@@ -165,6 +343,7 @@ class ImageGenerationTask:
         self.result = None
         self.error = None
 
+
 # 存储活跃的图片生成任务
 active_tasks = {}
 task_counter = 0
@@ -209,8 +388,7 @@ async def start_async_image_generation(websocket: WebSocket, asr_text: str):
         task.message = message
         # 通过队列在主循环中发送消息
         asyncio.run_coroutine_threadsafe(
-            progress_callback_async(progress, message),
+            progress_callback_async(progress, message), loop
-            loop
         )
 
     try:
@@ -220,12 +398,16 @@ async def start_async_image_generation(websocket: WebSocket, asr_text: str):
         await asyncio.sleep(0.2)
 
         # 同步调用优化函数
-        optimized_prompt = await asyncio.to_thread(optimize_prompt, asr_text, progress_callback)
+        optimized_prompt = await asyncio.to_thread(
+            optimize_prompt, asr_text, progress_callback
+        )
 
         # 确保返回有效的提示词
         if not optimized_prompt:
             optimized_prompt = asr_text
-            print(f"Warning: optimize_prompt returned None, using original text: {asr_text}")
+            print(
+                f"Warning: optimize_prompt returned None, using original text: {asr_text}"
+            )
 
         await websocket.send_text(f"PROMPT:{optimized_prompt}")
         task.optimized_prompt = optimized_prompt
@@ -235,17 +417,9 @@ async def start_async_image_generation(websocket: WebSocket, asr_text: str):
         await asyncio.sleep(0.2)
 
         # 同步调用图片生成函数
-        gen_result = await asyncio.to_thread(generate_image, optimized_prompt, progress_callback)
+        image_path = await asyncio.to_thread(
-        
+            generate_image, optimized_prompt, progress_callback
-        image_path = None
+        )
-        width = 0
-        height = 0
-        
-        if gen_result:
-            if isinstance(gen_result, tuple):
-                image_path, width, height = gen_result
-            else:
-                image_path = gen_result
 
         task.result = image_path
 
@@ -254,7 +428,7 @@ async def start_async_image_generation(websocket: WebSocket, asr_text: str):
             await websocket.send_text("STATUS:COMPLETE:图片生成完成")
             await asyncio.sleep(0.2)
 
-            await send_image_to_client(websocket, image_path, width, height)
+            await send_image_to_client(websocket, image_path)
         else:
             task.status = "failed"
             task.error = "图片生成失败"
@@ -277,18 +451,20 @@ async def start_async_image_generation(websocket: WebSocket, asr_text: str):
     return task
 
 
-async def send_image_to_client(websocket: WebSocket, image_path: str, width: int = 0, height: int = 0):
+async def send_image_to_client(websocket: WebSocket, image_path: str):
     """发送图片数据到客户端"""
-    with open(image_path, 'rb') as f:
+    with open(image_path, "rb") as f:
         image_data = f.read()
 
-    print(f"Sending image to ESP32, size: {len(image_data)} bytes, dim: {width}x{height}")
+    print(f"Sending image to ESP32, size: {len(image_data)} bytes")
 
     # Send start marker
-    if width > 0 and height > 0:
+    model_name = f"{image_generator.provider}"
-        await websocket.send_text(f"IMAGE_START:{len(image_data)}:{width}:{height}")
+    if image_generator.model:
-    else:
+        model_name += f" {image_generator.model}"
-        await websocket.send_text(f"IMAGE_START:{len(image_data)}:{THUMB_SIZE}")
+    await websocket.send_text(
+        f"IMAGE_START:{len(image_data)}:{THUMB_SIZE}:{model_name}"
+    )
 
     # Send binary data directly
     chunk_size = 512  # Decreased chunk size for ESP32 memory stability
@@ -318,7 +494,8 @@ async def send_font_batch_with_retry(websocket, code_list, retry_count=0):
 
             if font_data:
                 import binascii
-                hex_data = binascii.hexlify(font_data).decode('utf-8')
+
+                hex_data = binascii.hexlify(font_data).decode("utf-8")
                 response = f"FONT_DATA:{code_str}:{hex_data}"
                 await websocket.send_text(response)
                 success_codes.add(unicode_val)
@@ -332,9 +509,9 @@ async def send_font_batch_with_retry(websocket, code_list, retry_count=0):
     if failed_codes and retry_count < FONT_RETRY_MAX:
         req_key = f"retry_{retry_count}_{time.time()}"
         font_request_queue[req_key] = {
-            'codes': failed_codes,
+            "codes": failed_codes,
-            'retry': retry_count + 1,
+            "retry": retry_count + 1,
-            'timestamp': time.time()
+            "timestamp": time.time(),
         }
 
     return len(success_codes), failed_codes
@@ -355,7 +532,9 @@ async def send_font_with_fragment(websocket, unicode_val):
         seq_num = i // chunk_size
 
         # 构造二进制消息头: 2字节序列号 + 2字节总片数 + 数据
-        header = struct.pack('<HH', seq_num, (total_size + chunk_size - 1) // chunk_size)
+        header = struct.pack(
+            "<HH", seq_num, (total_size + chunk_size - 1) // chunk_size
+        )
         payload = header + chunk
 
         await websocket.send_bytes(payload)
@@ -384,7 +563,9 @@ async def handle_font_request(websocket, message_type, data):
             code_list = codes_str.split(",")
             print(f"Batch Font Request for {len(code_list)} chars")
 
-            success_count, failed = await send_font_batch_with_retry(websocket, code_list)
+            success_count, failed = await send_font_batch_with_retry(
+                websocket, code_list
+            )
             print(f"Font batch: {success_count} success, {len(failed)} failed")
 
             # 发送完成标记
@@ -409,7 +590,9 @@ async def handle_font_request(websocket, message_type, data):
             print(f"Error sending font fragment: {e}")
         return
 
-    elif message_type.startswith("GET_FONT_UNICODE:") or message_type.startswith("GET_FONT:"):
+    elif message_type.startswith("GET_FONT_UNICODE:") or message_type.startswith(
+        "GET_FONT:"
+    ):
         # 单个字体请求（兼容旧版）
         try:
             is_unicode = message_type.startswith("GET_FONT_UNICODE:")
@@ -439,12 +622,14 @@ async def handle_font_request(websocket, message_type, data):
 
             if font_data:
                 import binascii
-                hex_data = binascii.hexlify(font_data).decode('utf-8')
+
+                hex_data = binascii.hexlify(font_data).decode("utf-8")
                 response = f"FONT_DATA:{code_str}:{hex_data}"
                 await websocket.send_text(response)
         except Exception as e:
             print(f"Error handling font request: {e}")
 
+
 class MyRecognitionCallback(RecognitionCallback):
     def __init__(self, websocket: WebSocket, loop: asyncio.AbstractEventLoop):
         self.websocket = websocket
@@ -469,8 +654,7 @@ class MyRecognitionCallback(RecognitionCallback):
             try:
                 if self.loop.is_running():
                     asyncio.run_coroutine_threadsafe(
-                        self.websocket.send_text(f"ASR:{self.final_text}"), 
+                        self.websocket.send_text(f"ASR:{self.final_text}"), self.loop
-                        self.loop
                     )
             except Exception as e:
                 print(f"Failed to send final ASR result: {e}")
@@ -478,10 +662,9 @@ class MyRecognitionCallback(RecognitionCallback):
     def on_error(self, result: RecognitionResult) -> None:
         print(f"ASR Error: {result}")
 
-
     def on_event(self, result: RecognitionResult) -> None:
         if result.get_sentence():
-             text = result.get_sentence()['text']
+            text = result.get_sentence()["text"]
 
             # 获取当前句子的结束状态
             # 注意：DashScope Python SDK 的 Result 结构可能需要根据版本调整
@@ -491,8 +674,8 @@ class MyRecognitionCallback(RecognitionCallback):
             if self.sentence_list:
                 last_sentence = self.sentence_list[-1]
                 # 去掉句尾标点进行比较，因为流式结果可能标点不稳定
-                 last_clean = last_sentence.rstrip('。，？！')
+                last_clean = last_sentence.rstrip("。，？！")
-                 text_clean = text.rstrip('。，？！')
+                text_clean = text.rstrip("。，？！")
 
                 if text_clean.startswith(last_clean):
                     # 更新当前句子
@@ -526,23 +709,26 @@ class MyRecognitionCallback(RecognitionCallback):
             #     except Exception as e:
             #         print(f"Failed to send ASR result to client: {e}")
 
+
 def process_chunk_32_to_16(chunk_bytes, gain=1.0):
     processed_chunk = bytearray()
     # Iterate 4 bytes at a time
     for i in range(0, len(chunk_bytes), 4):
         if i + 3 < len(chunk_bytes):
             # 取 chunk[i+2] 和 chunk[i+3] 组成 16-bit signed int
-             sample = struct.unpack_from('<h', chunk_bytes, i+2)[0]
+            sample = struct.unpack_from("<h", chunk_bytes, i + 2)[0]
 
             # 放大音量
             sample = int(sample * gain)
 
             # 限幅 (Clamping) 防止溢出爆音
-             if sample > 32767: sample = 32767
+            if sample > 32767:
-             elif sample < -32768: sample = -32768
+                sample = 32767
+            elif sample < -32768:
+                sample = -32768
 
             # 重新打包为 16-bit little-endian
-             processed_chunk.extend(struct.pack('<h', sample))
+            processed_chunk.extend(struct.pack("<h", sample))
     return processed_chunk
 
 
@@ -573,8 +759,12 @@ def generate_image(prompt, progress_callback=None, retry_count=0, max_retries=2)
             if retry_count < max_retries:
                 print(f"Retrying... ({retry_count + 1}/{max_retries})")
                 if progress_callback:
-                    progress_callback(35, f"生成失败，正在重试 ({retry_count + 1}/{max_retries})...")
+                    progress_callback(
-                return generate_image(prompt, progress_callback, retry_count + 1, max_retries)
+                        35, f"生成失败，正在重试 ({retry_count + 1}/{max_retries})..."
+                    )
+                return generate_image(
+                    prompt, progress_callback, retry_count + 1, max_retries
+                )
             else:
                 return None
 
@@ -584,6 +774,7 @@ def generate_image(prompt, progress_callback=None, retry_count=0, max_retries=2)
             progress_callback(70, "正在下载生成的图片...")
 
         import urllib.request
+
         try:
             urllib.request.urlretrieve(image_url, GENERATED_IMAGE_FILE)
             print(f"Image saved to {GENERATED_IMAGE_FILE}")
@@ -596,6 +787,7 @@ def generate_image(prompt, progress_callback=None, retry_count=0, max_retries=2)
         # Save to output dir
         output_path = get_output_path()
         import shutil
+
         shutil.copy(GENERATED_IMAGE_FILE, output_path)
         print(f"Image also saved to {output_path}")
 
@@ -605,18 +797,33 @@ def generate_image(prompt, progress_callback=None, retry_count=0, max_retries=2)
         # Resize and convert to RGB565 (Reuse existing logic)
         try:
             from PIL import Image
+
             img = Image.open(GENERATED_IMAGE_FILE)
 
-            # 缩小到 fit THUMB_SIZE x THUMB_SIZE (保持比例)
+            # 保持比例缩放
-            img.thumbnail((THUMB_SIZE, THUMB_SIZE), Image.Resampling.LANCZOS)
+            # Calculate aspect ratio
-            width, height = img.size
+            ratio = min(THUMB_SIZE / img.width, THUMB_SIZE / img.height)
+            new_width = int(img.width * ratio)
+            new_height = int(img.height * ratio)
+
+            resized_img = img.resize((new_width, new_height), Image.LANCZOS)
+
+            # Create black background
+            final_img = Image.new("RGB", (THUMB_SIZE, THUMB_SIZE), (0, 0, 0))
+
+            # Paste centered
+            x_offset = (THUMB_SIZE - new_width) // 2
+            y_offset = (THUMB_SIZE - new_height) // 2
+
+            final_img.paste(resized_img, (x_offset, y_offset))
+            img = final_img
 
             # 转换为RGB565格式的原始数据
             # 每个像素2字节 (R5 G6 B5)
             rgb565_data = bytearray()
 
-            for y in range(height):
+            for y in range(THUMB_SIZE):
-                for x in range(width):
+                for x in range(THUMB_SIZE):
                     r, g, b = img.getpixel((x, y))[:3]
 
                     # 转换为RGB565
@@ -627,36 +834,41 @@ def generate_image(prompt, progress_callback=None, retry_count=0, max_retries=2)
                     # Pack as Big Endian (>H) which is standard for SPI displays
                     # RGB565: Red(5) Green(6) Blue(5)
                     rgb565 = (r5 << 11) | (g6 << 5) | b5
-                    rgb565_data.extend(struct.pack('>H', rgb565))
+                    rgb565_data.extend(struct.pack(">H", rgb565))
 
             # 保存为.bin文件
-            with open(GENERATED_THUMB_FILE, 'wb') as f:
+            with open(GENERATED_THUMB_FILE, "wb") as f:
                 f.write(rgb565_data)
 
-            print(f"Thumbnail saved to {GENERATED_THUMB_FILE}, size: {len(rgb565_data)} bytes, dim: {width}x{height}")
+            print(
+                f"Thumbnail saved to {GENERATED_THUMB_FILE}, size: {len(rgb565_data)} bytes"
+            )
 
             if progress_callback:
                 progress_callback(100, "图片生成完成!")
 
-            return GENERATED_THUMB_FILE, width, height
+            return GENERATED_THUMB_FILE
 
         except ImportError:
             print("PIL not available, sending original image")
             if progress_callback:
                 progress_callback(100, "图片生成完成!(原始格式)")
-            return GENERATED_IMAGE_FILE, 0, 0
+            return GENERATED_IMAGE_FILE
         except Exception as e:
             print(f"Error processing image: {e}")
             if progress_callback:
                 progress_callback(80, f"图片处理出错: {str(e)}")
-            return GENERATED_IMAGE_FILE, 0, 0
+            return GENERATED_IMAGE_FILE
 
     except Exception as e:
         print(f"Error in generate_image: {e}")
         if retry_count < max_retries:
-             return generate_image(prompt, progress_callback, retry_count + 1, max_retries)
+            return generate_image(
+                prompt, progress_callback, retry_count + 1, max_retries
+            )
         return None
 
+
 @app.websocket("/ws/audio")
 async def websocket_endpoint(websocket: WebSocket):
     global audio_buffer
@@ -674,7 +886,10 @@ async def websocket_endpoint(websocket: WebSocket):
             try:
                 message = await websocket.receive()
             except RuntimeError as e:
-                if "Cannot call \"receive\" once a disconnect message has been received" in str(e):
+                if (
+                    'Cannot call "receive" once a disconnect message has been received'
+                    in str(e)
+                ):
                     print("Client disconnected (RuntimeError caught)")
                     break
                 raise e
@@ -692,10 +907,10 @@ async def websocket_endpoint(websocket: WebSocket):
                     try:
                         callback = MyRecognitionCallback(websocket, loop)
                         recognition = Recognition(
-                            model='paraformer-realtime-v2',
+                            model="paraformer-realtime-v2",
-                            format='pcm',
+                            format="pcm",
                             sample_rate=16000,
-                            callback=callback
+                            callback=callback,
                         )
                         recognition.start()
                         print("DashScope ASR started")
@@ -719,7 +934,9 @@ async def websocket_endpoint(websocket: WebSocket):
                     # 使用实时处理过的音频数据
                     processed_audio = processed_buffer
 
-                    print(f"Processed audio size: {len(processed_audio)} bytes (Gain: {VOLUME_GAIN}x)")
+                    print(
+                        f"Processed audio size: {len(processed_audio)} bytes (Gain: {VOLUME_GAIN}x)"
+                    )
 
                     # 获取ASR识别结果
                     asr_text = ""
@@ -737,11 +954,15 @@ async def websocket_endpoint(websocket: WebSocket):
                         cmd = [
                             "ffmpeg",
                             "-y",  # 覆盖输出文件
-                            "-f", "s16le", # 输入格式: signed 16-bit little endian
+                            "-f",
-                            "-ar", "16000", # 输入采样率
+                            "s16le",  # 输入格式: signed 16-bit little endian
-                            "-ac", "1", # 输入声道数
+                            "-ar",
-                            "-i", RECORDING_RAW_FILE,
+                            "16000",  # 输入采样率
-                            RECORDING_MP3_FILE
+                            "-ac",
+                            "1",  # 输入声道数
+                            "-i",
+                            RECORDING_RAW_FILE,
+                            RECORDING_MP3_FILE,
                         ]
                         print(f"Running command: {' '.join(cmd)}")
 
@@ -749,18 +970,24 @@ async def websocket_endpoint(websocket: WebSocket):
                         process = await asyncio.create_subprocess_exec(
                             *cmd,
                             stdout=asyncio.subprocess.PIPE,
-                            stderr=asyncio.subprocess.PIPE
+                            stderr=asyncio.subprocess.PIPE,
                         )
                         stdout, stderr = await process.communicate()
 
                         if process.returncode != 0:
-                            raise subprocess.CalledProcessError(process.returncode, cmd, output=stdout, stderr=stderr)
+                            raise subprocess.CalledProcessError(
+                                process.returncode, cmd, output=stdout, stderr=stderr
+                            )
 
                         print(f"Saved MP3 to {RECORDING_MP3_FILE}")
                     except subprocess.CalledProcessError as e:
                         print(f"Error converting to MP3: {e}")
                         # stderr might be bytes
-                        error_msg = e.stderr.decode() if isinstance(e.stderr, bytes) else str(e.stderr)
+                        error_msg = (
+                            e.stderr.decode()
+                            if isinstance(e.stderr, bytes)
+                            else str(e.stderr)
+                        )
                         print(f"FFmpeg stderr: {error_msg}")
                     except FileNotFoundError:
                         print("Error: ffmpeg not found. Please install ffmpeg.")
@@ -775,9 +1002,15 @@ async def websocket_endpoint(websocket: WebSocket):
                         try:
                             unique_chars = set(asr_text)
                             code_list = [str(ord(c)) for c in unique_chars]
-                            print(f"Sending font data for {len(code_list)} characters...")
+                            print(
-                            success_count, failed = await send_font_batch_with_retry(websocket, code_list)
+                                f"Sending font data for {len(code_list)} characters..."
-                            print(f"Font data sent: {success_count} success, {len(failed)} failed")
+                            )
+                            success_count, failed = await send_font_batch_with_retry(
+                                websocket, code_list
+                            )
+                            print(
+                                f"Font data sent: {success_count} success, {len(failed)} failed"
+                            )
                         except Exception as e:
                             print(f"Error sending font data: {e}")
 
@@ -798,7 +1031,9 @@ async def websocket_endpoint(websocket: WebSocket):
                     prompt_text = text.split(":", 1)[1]
                     print(f"Received GENERATE_IMAGE request: {prompt_text}")
                     if prompt_text:
-                        asyncio.create_task(start_async_image_generation(websocket, prompt_text))
+                        asyncio.create_task(
+                            start_async_image_generation(websocket, prompt_text)
+                        )
                     else:
                         await websocket.send_text("STATUS:ERROR:提示词为空")
 
@@ -807,10 +1042,14 @@ async def websocket_endpoint(websocket: WebSocket):
                     if os.path.exists(GENERATED_IMAGE_FILE):
                         try:
                             # Use convert_img logic to get TSPL commands
-                            tspl_data = convert_img.image_to_tspl_commands(GENERATED_IMAGE_FILE)
+                            tspl_data = convert_img.image_to_tspl_commands(
+                                GENERATED_IMAGE_FILE
+                            )
                             if tspl_data:
                                 print(f"Sending printer data: {len(tspl_data)} bytes")
-                                await websocket.send_text(f"PRINTER_DATA_START:{len(tspl_data)}")
+                                await websocket.send_text(
+                                    f"PRINTER_DATA_START:{len(tspl_data)}"
+                                )
 
                                 # Send in chunks
                                 chunk_size = 512
@@ -826,7 +1065,9 @@ async def websocket_endpoint(websocket: WebSocket):
                                 await websocket.send_text("STATUS:ERROR:图片转换失败")
                         except Exception as e:
                             print(f"Error converting image for printer: {e}")
-                            await websocket.send_text(f"STATUS:ERROR:打印出错: {str(e)}")
+                            await websocket.send_text(
+                                f"STATUS:ERROR:打印出错: {str(e)}"
+                            )
                     else:
                         await websocket.send_text("STATUS:ERROR:没有可打印的图片")
 
@@ -834,20 +1075,37 @@ async def websocket_endpoint(websocket: WebSocket):
                     task_id = text.split(":", 1)[1].strip()
                     if task_id in active_tasks:
                         task = active_tasks[task_id]
-                        await websocket.send_text(f"TASK_STATUS:{task_id}:{task.status}:{task.progress}:{task.message}")
+                        await websocket.send_text(
+                            f"TASK_STATUS:{task_id}:{task.status}:{task.progress}:{task.message}"
+                        )
                     else:
-                        await websocket.send_text(f"TASK_STATUS:{task_id}:unknown:0:任务不存在或已完成")
+                        await websocket.send_text(
+                            f"TASK_STATUS:{task_id}:unknown:0:任务不存在或已完成"
+                        )
 
-                elif text.startswith("GET_FONTS_BATCH:") or text.startswith("GET_FONT") or text == "GET_FONT_MD5" or text == "GET_HIGH_FREQ":
+                elif (
+                    text.startswith("GET_FONTS_BATCH:")
+                    or text.startswith("GET_FONT")
+                    or text == "GET_FONT_MD5"
+                    or text == "GET_HIGH_FREQ"
+                ):
                     # 使用新的统一字体处理函数
                     try:
                         if text.startswith("GET_FONTS_BATCH:"):
-                            await handle_font_request(websocket, text, text.split(":", 1)[1])
+                            await handle_font_request(
+                                websocket, text, text.split(":", 1)[1]
+                            )
                         elif text.startswith("GET_FONT_FRAGMENT:"):
-                            await handle_font_request(websocket, text, text.split(":", 1)[1])
+                            await handle_font_request(
-                        elif text.startswith("GET_FONT_UNICODE:") or text.startswith("GET_FONT:"):
+                                websocket, text, text.split(":", 1)[1]
+                            )
+                        elif text.startswith("GET_FONT_UNICODE:") or text.startswith(
+                            "GET_FONT:"
+                        ):
                             parts = text.split(":", 1)
-                            await handle_font_request(websocket, parts[0], parts[1] if len(parts) > 1 else "")
+                            await handle_font_request(
+                                websocket, parts[0], parts[1] if len(parts) > 1 else ""
+                            )
                         else:
                             await handle_font_request(websocket, text, "")
                     except Exception as e:
@@ -884,6 +1142,7 @@ async def websocket_endpoint(websocket: WebSocket):
             except:
                 pass
 
+
 if __name__ == "__main__":
     # Check API Key
     if not dashscope.api_key:
@@ -893,6 +1152,7 @@ if __name__ == "__main__":
 
     # 获取本机IP，方便ESP32连接
     import socket
+
     hostname = socket.gethostname()
     local_ip = socket.gethostbyname(hostname)
     print(f"Server running on ws://{local_ip}:8000/ws/audio")

websocket_server/templates/admin.html

@@ -0,0 +1,364 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>AI Image Generator Admin</title>
+    <style>
+        * { box-sizing: border-box; margin: 0; padding: 0; }
+        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #1a1a2e; color: #eee; min-height: 100vh; padding: 20px; }
+        .container { max-width: 1100px; margin: 0 auto; }
+        h1 { text-align: center; margin-bottom: 30px; color: #00d4ff; }
+        .card { background: #16213e; border-radius: 12px; padding: 24px; margin-bottom: 20px; box-shadow: 0 4px 20px rgba(0,0,0,0.3); }
+        .card h2 { margin-bottom: 16px; color: #00d4ff; font-size: 18px; }
+        .current-status { background: #0f3460; padding: 16px; border-radius: 8px; margin-bottom: 16px; }
+        .current-status .label { color: #888; font-size: 14px; }
+        .current-status .value { color: #00d4ff; font-size: 20px; font-weight: bold; margin-top: 4px; }
+        .form-group { margin-bottom: 16px; }
+        .form-group label { display: block; margin-bottom: 8px; color: #ccc; }
+        select, input[type="number"] { width: 100%; padding: 12px; border-radius: 8px; border: 1px solid #333; background: #0f3460; color: #fff; font-size: 16px; }
+        select:focus, input:focus { outline: none; border-color: #00d4ff; }
+        input[type="checkbox"] { width: 20px; height: 20px; margin-right: 8px; }
+        .btn { display: inline-block; padding: 12px 24px; border-radius: 8px; border: none; cursor: pointer; font-size: 16px; font-weight: bold; transition: all 0.3s; }
+        .btn-primary { background: #00d4ff; color: #1a1a2e; }
+        .btn-primary:hover { background: #00b8e6; }
+        .btn-danger { background: #e74c3c; color: #fff; }
+        .btn-danger:hover { background: #c0392b; }
+        .btn-small { padding: 6px 12px; font-size: 14px; }
+        .model-list { margin-top: 16px; }
+        .model-item { background: #0f3460; padding: 12px 16px; border-radius: 8px; margin-bottom: 8px; display: flex; justify-content: space-between; align-items: center; }
+        .model-item.active { border: 2px solid #00d4ff; }
+        .model-item .name { font-weight: bold; }
+        .model-item .provider { color: #888; font-size: 14px; }
+        .test-section { margin-top: 20px; }
+        .test-input { width: 100%; padding: 12px; border-radius: 8px; border: 1px solid #333; background: #0f3460; color: #fff; font-size: 14px; resize: vertical; min-height: 80px; margin-bottom: 12px; }
+        .test-input:focus { outline: none; border-color: #00d4ff; }
+        .message { padding: 12px; border-radius: 8px; margin-top: 12px; display: none; }
+        .message.success { background: #27ae60; display: block; }
+        .message.error { background: #e74c3c; display: block; }
+        .loading { text-align: center; padding: 20px; display: none; }
+        .loading.show { display: block; }
+        .spinner { border: 3px solid #333; border-top: 3px solid #00d4ff; border-radius: 50%; width: 30px; height: 30px; animation: spin 1s linear infinite; margin: 0 auto; }
+        @keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
+        
+        .auto-delete-settings { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
+        .auto-delete-settings label { display: flex; align-items: center; color: #ccc; }
+        .auto-delete-settings input[type="number"] { width: 80px; }
+        
+        .gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin-top: 16px; }
+        .gallery-item { background: #0f3460; border-radius: 8px; overflow: hidden; position: relative; }
+        .gallery-item img { width: 100%; height: 180px; object-fit: cover; display: block; }
+        .gallery-item .info { padding: 12px; }
+        .gallery-item .filename { font-size: 12px; color: #888; word-break: break-all; }
+        .gallery-item .size { font-size: 12px; color: #666; margin-top: 4px; }
+        .gallery-item .delete-btn { position: absolute; top: 8px; right: 8px; background: rgba(231,76,60,0.9); color: white; border: none; border-radius: 50%; width: 28px; height: 28px; cursor: pointer; font-size: 16px; line-height: 28px; }
+        .gallery-item .delete-btn:hover { background: #c0392b; }
+        .empty-gallery { text-align: center; padding: 40px; color: #666; }
+        .flex-row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
+        .tab-nav { display: flex; gap: 4px; margin-bottom: 20px; background: #0f3460; border-radius: 8px; padding: 4px; }
+        .tab-nav button { flex: 1; padding: 12px; border: none; background: transparent; color: #888; cursor: pointer; border-radius: 6px; font-size: 16px; transition: all 0.3s; }
+        .tab-nav button.active { background: #00d4ff; color: #1a1a2e; font-weight: bold; }
+        .tab-content { display: none; }
+        .tab-content.active { display: block; }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <h1>AI Image Generator Admin</h1>
+
+        <div class="tab-nav">
+            <button class="active" onclick="showTab('settings')">设置</button>
+            <button onclick="showTab('gallery')">图片库</button>
+        </div>
+
+        <div id="tab-settings" class="tab-content active">
+            <div class="card">
+                <h2>当前状态</h2>
+                <div class="current-status">
+                    <div class="label">当前 Provider</div>
+                    <div class="value" id="currentProvider">加载中...</div>
+                    <div class="label" style="margin-top: 12px;">当前模型</div>
+                    <div class="value" id="currentModel">加载中...</div>
+                </div>
+            </div>
+
+            <div class="card">
+                <h2>切换 Provider</h2>
+                <div class="form-group">
+                    <select id="providerSelect">
+                        <option value="doubao">豆包 (Doubao)</option>
+                        <option value="dashscope">阿里云 (DashScope)</option>
+                    </select>
+                </div>
+                <button class="btn btn-primary" onclick="switchProvider()">切换 Provider</button>
+            </div>
+
+            <div class="card">
+                <h2>豆包模型</h2>
+                <div class="model-list">
+                    <div class="model-item" data-provider="doubao" data-model="doubao-seedream-4.0">
+                        <div>
+                            <div class="name">doubao-seedream-4.0</div>
+                            <div class="provider">豆包</div>
+                        </div>
+                        <button class="btn btn-primary" onclick="setModel('doubao', 'doubao-seedream-4.0')">使用</button>
+                    </div>
+                    <div class="model-item" data-provider="doubao" data-model="doubao-seedream-5-0-260128">
+                        <div>
+                            <div class="name">doubao-seedream-5-0-260128</div>
+                            <div class="provider">豆包</div>
+                        </div>
+                        <button class="btn btn-primary" onclick="setModel('doubao', 'doubao-seedream-5-0-260128')">使用</button>
+                    </div>
+                </div>
+            </div>
+
+            <div class="card">
+                <h2>阿里云模型 (DashScope)</h2>
+                <div class="model-list">
+                    <div class="model-item" data-provider="dashscope" data-model="wanx2.0-t2i-turbo">
+                        <div>
+                            <div class="name">wanx2.0-t2i-turbo</div>
+                            <div class="provider">阿里云</div>
+                        </div>
+                        <button class="btn btn-primary" onclick="setModel('dashscope', 'wanx2.0-t2i-turbo')">使用</button>
+                    </div>
+                    <div class="model-item" data-provider="dashscope" data-model="qwen-image-plus">
+                        <div>
+                            <div class="name">qwen-image-plus</div>
+                            <div class="provider">阿里云</div>
+                        </div>
+                        <button class="btn btn-primary" onclick="setModel('dashscope', 'qwen-image-plus')">使用</button>
+                    </div>
+                    <div class="model-item" data-provider="dashscope" data-model="qwen-image-v1">
+                        <div>
+                            <div class="name">qwen-image-v1</div>
+                            <div class="provider">阿里云</div>
+                        </div>
+                        <button class="btn btn-primary" onclick="setModel('dashscope', 'qwen-image-v1')">使用</button>
+                    </div>
+                </div>
+            </div>
+
+            <div class="card">
+                <h2>测试图片生成</h2>
+                <textarea class="test-input" id="testPrompt" placeholder="输入提示词...">A cute cat, black and white line art, cartoon style</textarea>
+                <button class="btn btn-primary" onclick="testGenerate()">生成图片</button>
+                <div class="loading" id="loading">
+                    <div class="spinner"></div>
+                    <p style="margin-top: 10px;">生成中...</p>
+                </div>
+                <div class="message" id="message"></div>
+                <div id="resultArea" style="margin-top: 16px; display: none;">
+                    <img id="resultImage" style="max-width: 100%; max-height: 300px; border-radius: 8px;">
+                </div>
+            </div>
+        </div>
+
+        <div id="tab-gallery" class="tab-content">
+            <div class="card">
+                <h2>图片库</h2>
+                <div class="auto-delete-settings">
+                    <label><input type="checkbox" id="autoDeleteEnabled" onchange="updateAutoDelete()"> 自动删除</label>
+                    <label><input type="number" id="autoDeleteHours" min="1" max="168" value="24" onchange="updateAutoDelete()"> 小时后删除</label>
+                    <button class="btn btn-primary btn-small" onclick="loadGallery()">刷新</button>
+                    <button class="btn btn-danger btn-small" onclick="deleteAllImages()">删除全部</button>
+                </div>
+                <div class="gallery" id="gallery"></div>
+            </div>
+        </div>
+    </div>
+
+    <script>
+        function showTab(tab) {
+            document.querySelectorAll('.tab-content').forEach(el => el.classList.remove('active'));
+            document.querySelectorAll('.tab-nav button').forEach(el => el.classList.remove('active'));
+            document.getElementById('tab-' + tab).classList.add('active');
+            event.target.classList.add('active');
+            if (tab === 'gallery') loadGallery();
+        }
+
+        async function loadStatus() {
+            try {
+                const res = await fetch('/api/admin/status');
+                const data = await res.json();
+                document.getElementById('currentProvider').textContent = data.provider;
+                document.getElementById('currentModel').textContent = data.model;
+                document.getElementById('providerSelect').value = data.provider;
+                updateActiveModel(data.provider, data.model);
+            } catch (e) {
+                console.error('Failed to load status:', e);
+            }
+        }
+
+        async function loadAutoDelete() {
+            try {
+                const res = await fetch('/api/admin/auto-delete');
+                const data = await res.json();
+                document.getElementById('autoDeleteEnabled').checked = data.enabled;
+                document.getElementById('autoDeleteHours').value = data.hours;
+            } catch (e) {
+                console.error('Failed to load auto-delete settings:', e);
+            }
+        }
+
+        async function updateAutoDelete() {
+            const enabled = document.getElementById('autoDeleteEnabled').checked;
+            const hours = document.getElementById('autoDeleteHours').value;
+            try {
+                await fetch('/api/admin/auto-delete', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify({ enabled, hours: parseInt(hours) })
+                });
+            } catch (e) {
+                console.error('Failed to update auto-delete:', e);
+            }
+        }
+
+        function updateActiveModel(provider, model) {
+            document.querySelectorAll('.model-item').forEach(item => {
+                item.classList.remove('active');
+                if (item.dataset.provider === provider && item.dataset.model === model) {
+                    item.classList.add('active');
+                    item.querySelector('button').textContent = '使用中';
+                    item.querySelector('button').disabled = true;
+                } else {
+                    item.querySelector('button').textContent = '使用';
+                    item.querySelector('button').disabled = false;
+                }
+            });
+        }
+
+        async function switchProvider() {
+            const provider = document.getElementById('providerSelect').value;
+            try {
+                const res = await fetch('/api/admin/switch', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify({ provider })
+                });
+                const data = await res.json();
+                showMessage(data.message, data.success);
+                if (data.success) loadStatus();
+            } catch (e) {
+                showMessage('切换失败: ' + e.message, false);
+            }
+        }
+
+        async function setModel(provider, model) {
+            try {
+                const res = await fetch('/api/admin/model', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify({ provider, model })
+                });
+                const data = await res.json();
+                showMessage(data.message, data.success);
+                if (data.success) loadStatus();
+            } catch (e) {
+                showMessage('设置失败: ' + e.message, false);
+            }
+        }
+
+        async function testGenerate() {
+            const prompt = document.getElementById('testPrompt').value;
+            if (!prompt) return;
+            
+            document.getElementById('loading').classList.add('show');
+            document.getElementById('message').style.display = 'none';
+            document.getElementById('resultArea').style.display = 'none';
+
+            try {
+                const res = await fetch('/api/admin/test-generate', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify({ prompt })
+                });
+                const data = await res.json();
+                if (data.success && data.image_url) {
+                    document.getElementById('resultImage').src = data.image_url;
+                    document.getElementById('resultArea').style.display = 'block';
+                    showMessage('生成成功', true);
+                } else {
+                    showMessage(data.message || '生成失败', false);
+                }
+            } catch (e) {
+                showMessage('生成失败: ' + e.message, false);
+            } finally {
+                document.getElementById('loading').classList.remove('show');
+            }
+        }
+
+        async function loadGallery() {
+            try {
+                const res = await fetch('/api/admin/images');
+                const data = await res.json();
+                const gallery = document.getElementById('gallery');
+                
+                if (!data.images || data.images.length === 0) {
+                    gallery.innerHTML = '<div class="empty-gallery">暂无图片</div>';
+                    return;
+                }
+                
+                gallery.innerHTML = data.images.map(img => `
+                    <div class="gallery-item">
+                        <button class="delete-btn" onclick="deleteImage('${img.name}')">×</button>
+                        <img src="${img.url}" alt="${img.name}" onclick="window.open('${img.url}', '_blank')">
+                        <div class="info">
+                            <div class="filename">${img.name}</div>
+                            <div class="size">${formatSize(img.size)}</div>
+                        </div>
+                    </div>
+                `).join('');
+            } catch (e) {
+                console.error('Failed to load gallery:', e);
+            }
+        }
+
+        async function deleteImage(filename) {
+            if (!confirm('确定要删除这张图片吗?')) return;
+            try {
+                const res = await fetch(`/api/admin/images/${encodeURIComponent(filename)}`, { method: 'DELETE' });
+                const data = await res.json();
+                if (data.success) {
+                    loadGallery();
+                } else {
+                    alert(data.message);
+                }
+            } catch (e) {
+                alert('删除失败: ' + e.message);
+            }
+        }
+
+        async function deleteAllImages() {
+            if (!confirm('确定要删除所有图片吗?此操作不可恢复!')) return;
+            try {
+                const res = await fetch('/api/admin/images');
+                const data = await res.json();
+                for (const img of data.images) {
+                    await fetch(`/api/admin/images/${encodeURIComponent(img.name)}`, { method: 'DELETE' });
+                }
+                loadGallery();
+            } catch (e) {
+                alert('删除失败: ' + e.message);
+            }
+        }
+
+        function formatSize(bytes) {
+            if (bytes < 1024) return bytes + ' B';
+            if (bytes < 1024 * 1024) return (bytes / 1024).toFixed(1) + ' KB';
+            return (bytes / (1024 * 1024)).toFixed(1) + ' MB';
+        }
+
+        function showMessage(msg, success) {
+            const el = document.getElementById('message');
+            el.textContent = msg;
+            el.className = 'message ' + (success ? 'success' : 'error');
+        }
+
+        loadStatus();
+        loadAutoDelete();
+    </script>
+</body>
+</html>