```

feat(api): 新增gpt-image-2编辑模型支持

- 添加gpt-image-2模型的专门接口配置和API密钥
- 实现gpt-image-2编辑模式的完整处理流程，包括Base64图片解码、
  图片验证和MinIO上传功能
- 更新前端界面以支持gpt-image-2的特定参数（如尺寸选项）
- 修复prompt不能为空的校验逻辑
- 优化图片上传处理，支持编辑模式下的参考图必需校验
- 更新视频生成任务状态消息文案
```

blueprints/api.py

@@ -5,280 +5,311 @@ from middlewares.auth import login_required
 from services.logger import system_logger
 import json
 
-# Import Services
-from services.system_service import get_system_config_data, get_user_latest_notification, mark_notification_as_read
+from services.system_service import (
+    get_system_config_data,
+    get_user_latest_notification,
+    mark_notification_as_read,
+)
 from services.history_service import get_user_history_data
 from services.file_service import handle_file_uploads, get_remote_file_stream
 from services.generation_service import (
-    validate_generation_request, deduct_points, handle_chat_generation_sync, 
-    start_async_image_task, validate_video_request, start_async_video_task
+    validate_generation_request,
+    deduct_points,
+    handle_chat_generation_sync,
+    start_async_image_task,
+    validate_video_request,
+    start_async_video_task,
 )
 
-api_bp = Blueprint('api', __name__)
+api_bp = Blueprint("api", __name__)
 
-@api_bp.route('/api/task_status/<task_id>')
+
+@api_bp.route("/api/task_status/<task_id>")
 @login_required
 def get_task_status(task_id):
-    """查询异步任务状态"""
     try:
         data = redis_client.get(f"task:{task_id}")
         if not data:
             return jsonify({"status": "pending"})
-        
+
         if isinstance(data, bytes):
-            data = data.decode('utf-8')
-        
+            data = data.decode("utf-8")
+
         return jsonify(json.loads(data))
     except Exception as e:
         system_logger.error(f"查询任务状态异常: {str(e)}")
         return jsonify({"status": "error", "message": "状态查询失败"})
 
-@api_bp.route('/api/config')
+
+@api_bp.route("/api/config")
 def get_config():
-    """从本地数据库字典获取配置"""
     try:
         return jsonify(get_system_config_data())
     except Exception as e:
         return jsonify({"error": str(e)}), 500
 
-@api_bp.route('/api/upload', methods=['POST'])
+
+@api_bp.route("/api/upload", methods=["POST"])
 @login_required
 def upload():
     try:
-        files = request.files.getlist('images')
+        files = request.files.getlist("images")
         img_urls = handle_file_uploads(files)
-        system_logger.info(f"用户上传文件: {len(files)} 个", user_id=session.get('user_id'))
+        system_logger.info(f"用户上传文件: {len(files)} 张", user_id=session.get("user_id"))
         return jsonify({"urls": img_urls})
     except Exception as e:
         return jsonify({"error": str(e)}), 500
 
-@api_bp.route('/api/generate', methods=['POST'])
+
+@api_bp.route("/api/generate", methods=["POST"])
 @login_required
 def generate():
     try:
-        user_id = session.get('user_id')
+        user_id = session.get("user_id")
         user = db.session.get(User, user_id)
-        
         data = request.json if request.is_json else request.form
-        
-        # 1. 验证请求与权限
+
         api_key, target_api, cost, use_trial, error = validate_generation_request(user, data)
         if error:
             return jsonify({"error": error}), 400
 
-        # 2. 扣除积分 (如果是试用模式)
         if use_trial:
             deduct_points(user_id, cost)
 
-        model_value = data.get('model')
-        prompt = data.get('prompt')
+        model_value = data.get("model")
+        prompt = (data.get("prompt") or "").strip()
+        if not prompt:
+            return jsonify({"error": "提示词不能为空"}), 400
         model_lower = model_value.lower()
         is_chat_model = ("gemini" in model_lower or "gpt" in model_lower) and "image" not in model_lower
 
-        # 3. 处理聊天模型 (同步)
         if is_chat_model:
-            result, status_code = handle_chat_generation_sync(user_id, api_key, model_value, prompt, use_trial, cost)
+            result, status_code = handle_chat_generation_sync(
+                user_id, api_key, model_value, prompt, use_trial, cost
+            )
             return jsonify(result), status_code
 
-        # 4. 构造生图 Payload
-        payload = {
-            "prompt": prompt,
-            "model": model_value,
-            "response_format": "url",
-            "aspect_ratio": data.get('ratio')
-        }
-        image_data = data.get('image_data', [])
-        if image_data:
-            payload["image"] = [img.split(',', 1)[1] if ',' in img else img for img in image_data]
-            
-        if model_value in ("nano-banana-2", "gemini-3.1-flash-image-preview") and data.get('size'):
-            payload["image_size"] = data.get('size')
+        image_data = data.get("image_data", [])
+        if model_value == "gpt-image-2":
+            if not image_data:
+                return jsonify({"error": "gpt-image-2 编辑模式至少需要上传 1 张参考图"}), 400
+
+            payload = {
+                "prompt": prompt,
+                "model": model_value,
+                "images": [{"image_url": img} for img in image_data],
+                "size": data.get("size") or "2160x3840",
+                "quality": "high",
+                "output_format": "png",
+            }
+        else:
+            payload = {
+                "prompt": prompt,
+                "model": model_value,
+                "response_format": "url",
+                "aspect_ratio": data.get("ratio"),
+            }
+            if image_data:
+                payload["image"] = [img.split(",", 1)[1] if "," in img else img for img in image_data]
+
+            if model_value in ("nano-banana-2", "gemini-3.1-flash-image-preview") and data.get("size"):
+                payload["image_size"] = data.get("size")
 
-        # 5. 启动异步生图任务
         app = current_app._get_current_object()
-        task_id = start_async_image_task(app, user_id, payload, api_key, target_api, cost, data.get('mode'), model_value, use_trial)
+        task_id = start_async_image_task(
+            app,
+            user_id,
+            payload,
+            api_key,
+            target_api,
+            cost,
+            data.get("mode"),
+            model_value,
+            use_trial,
+        )
 
         return jsonify({
             "task_id": task_id,
-            "message": "已开启异步生成任务"
+            "message": "已开启异步生成任务",
         })
     except Exception as e:
         return jsonify({"error": str(e)}), 500
 
-@api_bp.route('/api/video/generate', methods=['POST'])
+
+@api_bp.route("/api/video/generate", methods=["POST"])
 @login_required
 def video_generate():
     try:
-        user_id = session.get('user_id')
+        user_id = session.get("user_id")
         user = db.session.get(User, user_id)
-        
         data = request.json
-        
-        # 1. 验证请求
+
         model_value, cost, error = validate_video_request(user, data)
         if error:
             return jsonify({"error": error}), 400
-            
-        # 2. 扣除积分
+
         deduct_points(user_id, cost)
 
-        # 3. 构造 Payload
         payload = {
             "model": model_value,
-            "prompt": data.get('prompt'),
-            "enhance_prompt": data.get('enhance_prompt', False),
-            "images": data.get('images', []),
-            "aspect_ratio": data.get('aspect_ratio', '9:16')
+            "prompt": data.get("prompt"),
+            "enhance_prompt": data.get("enhance_prompt", False),
+            "images": data.get("images", []),
+            "aspect_ratio": data.get("aspect_ratio", "9:16"),
         }
-        
-        # 处理 Base64 图片 (去掉 header)
-        if payload.get("images"):
-            payload["images"] = [
-                img.split(',', 1)[1] if ',' in img else img 
-                for img in payload["images"]
-            ]
 
-        # 4. 启动异步视频任务
+        if payload.get("images"):
+            payload["images"] = [img.split(",", 1)[1] if "," in img else img for img in payload["images"]]
+
         app = current_app._get_current_object()
         task_id = start_async_video_task(app, user_id, payload, cost, model_value)
 
         return jsonify({
             "task_id": task_id,
-            "message": "视频生成任务已提交，系统正在导演中..."
+            "message": "视频生成任务已提交，系统正在处理中",
         })
     except Exception as e:
         return jsonify({"error": str(e)}), 500
 
-@api_bp.route('/api/notifications/latest', methods=['GET'])
+
+@api_bp.route("/api/notifications/latest", methods=["GET"])
 @login_required
 def get_latest_notification():
     try:
-        user_id = session.get('user_id')
+        user_id = session.get("user_id")
         data = get_user_latest_notification(user_id)
         return jsonify(data)
     except Exception as e:
         return jsonify({"error": str(e)}), 500
 
-@api_bp.route('/api/notifications/read', methods=['POST'])
+
+@api_bp.route("/api/notifications/read", methods=["POST"])
 @login_required
 def mark_notif_read():
     try:
-        user_id = session.get('user_id')
+        user_id = session.get("user_id")
         data = request.json
-        notif_id = data.get('id')
+        notif_id = data.get("id")
         if not notif_id:
             return jsonify({"error": "缺少通知 ID"}), 400
-            
+
         mark_notification_as_read(user_id, notif_id)
         return jsonify({"status": "ok"})
     except Exception as e:
         return jsonify({"error": str(e)}), 500
 
-@api_bp.route('/api/history', methods=['GET'])
+
+@api_bp.route("/api/history", methods=["GET"])
 @login_required
 def get_history():
     try:
-        user_id = session.get('user_id')
-        page = request.args.get('page', 1, type=int)
-        per_page = request.args.get('per_page', 10, type=int)
-        filter_type = request.args.get('filter_type', 'all')
-        
+        user_id = session.get("user_id")
+        page = request.args.get("page", 1, type=int)
+        per_page = request.args.get("per_page", 10, type=int)
+        filter_type = request.args.get("filter_type", "all")
         data = get_user_history_data(user_id, page, per_page, filter_type)
         return jsonify(data)
     except Exception as e:
         return jsonify({"error": str(e)}), 500
 
-@api_bp.route('/api/stats/points', methods=['GET'])
+
+@api_bp.route("/api/stats/points", methods=["GET"])
 @login_required
 def get_user_point_stats():
-    """获取积分统计图表数据"""
     from services.stats_service import get_point_stats
-    user_id = session.get('user_id')
-    days = request.args.get('days', 7, type=int)
+
+    user_id = session.get("user_id")
+    days = request.args.get("days", 7, type=int)
     return jsonify(get_point_stats(user_id, days))
 
-@api_bp.route('/api/stats/details', methods=['GET'])
+
+@api_bp.route("/api/stats/details", methods=["GET"])
 @login_required
 def get_user_point_details():
-    """获取积分消耗明细"""
     from services.stats_service import get_point_details
-    user_id = session.get('user_id')
-    page = request.args.get('page', 1, type=int)
+
+    user_id = session.get("user_id")
+    page = request.args.get("page", 1, type=int)
     return jsonify(get_point_details(user_id, page))
 
-@api_bp.route('/api/download_proxy', methods=['GET'])
+
+@api_bp.route("/api/download_proxy", methods=["GET"])
 @login_required
 def download_proxy():
     import time
-    url = request.args.get('url')
-    # 默认文件名逻辑
+
+    url = request.args.get("url")
     default_name = f"video-{int(time.time())}.mp4"
-    filename = request.args.get('filename') or default_name
-    
+    filename = request.args.get("filename") or default_name
+
     if not url:
         return jsonify({"error": "缺少 URL 参数"}), 400
-        
+
     try:
         req, headers = get_remote_file_stream(url)
-        headers['Content-Disposition'] = f'attachment; filename="{filename}"'
-        
-        def generate():
+        headers["Content-Disposition"] = f'attachment; filename="{filename}"'
+
+        def generate_stream():
             for chunk in req.iter_content(chunk_size=4096):
                 yield chunk
-                
-        return current_app.response_class(generate(), headers=headers)
-        
+
+        return current_app.response_class(generate_stream(), headers=headers)
     except Exception as e:
         system_logger.error(f"代理下载失败: {str(e)}")
         return jsonify({"error": "下载失败"}), 500
 
-@api_bp.route('/api/prompts', methods=['GET'])
+
+@api_bp.route("/api/prompts", methods=["GET"])
 @login_required
 def list_prompts():
     try:
-        user_id = session.get('user_id')
+        user_id = session.get("user_id")
         prompts = SavedPrompt.query.filter_by(user_id=user_id).order_by(SavedPrompt.created_at.desc()).all()
-        return jsonify([{
-            "id": p.id,
-            "label": p.title, # Use label/value structure for frontend select
-            "value": p.prompt
-        } for p in prompts])
+        return jsonify([
+            {
+                "id": p.id,
+                "label": p.title,
+                "value": p.prompt,
+            }
+            for p in prompts
+        ])
     except Exception as e:
         return jsonify({"error": str(e)}), 500
 
-@api_bp.route('/api/prompts', methods=['POST'])
+
+@api_bp.route("/api/prompts", methods=["POST"])
 @login_required
 def save_prompt():
     try:
-        user_id = session.get('user_id')
+        user_id = session.get("user_id")
         data = request.json
-        title = data.get('title')
-        prompt_text = data.get('prompt')
-        
+        title = data.get("title")
+        prompt_text = data.get("prompt")
+
         if not title or not prompt_text:
             return jsonify({"error": "标题和内容不能为空"}), 400
-            
-        # Limit to 50 saved prompts
+
         count = SavedPrompt.query.filter_by(user_id=user_id).count()
         if count >= 50:
             return jsonify({"error": "收藏数量已达上限 (50)"}), 400
-            
-        p = SavedPrompt(user_id=user_id, title=title, prompt=prompt_text)
-        db.session.add(p)
+
+        prompt = SavedPrompt(user_id=user_id, title=title, prompt=prompt_text)
+        db.session.add(prompt)
         db.session.commit()
-        
-        return jsonify({"message": "保存成功", "id": p.id})
+
+        return jsonify({"message": "保存成功", "id": prompt.id})
     except Exception as e:
         return jsonify({"error": str(e)}), 500
 
-@api_bp.route('/api/prompts/<int:id>', methods=['DELETE'])
+
+@api_bp.route("/api/prompts/<int:id>", methods=["DELETE"])
 @login_required
 def delete_prompt(id):
     try:
-        user_id = session.get('user_id')
-        p = SavedPrompt.query.filter_by(id=id, user_id=user_id).first()
-        if p:
-            db.session.delete(p)
+        user_id = session.get("user_id")
+        prompt = SavedPrompt.query.filter_by(id=id, user_id=user_id).first()
+        if prompt:
+            db.session.delete(prompt)
             db.session.commit()
         return jsonify({"message": "删除成功"})
     except Exception as e:

config.py

@@ -37,6 +37,8 @@ class Config:
     CHAT_API = f"{AI_BASE_URL}/v1/chat/completions"
     VIDEO_GEN_API = f"{AI_BASE_URL}/v2/videos/generations"
     VIDEO_POLL_API = f"{AI_BASE_URL}/v2/videos/generations/{{task_id}}"
+    GPT_IMAGE_EDIT_API = "https://nas.4x4g.com:8317/v1/images/edits"
+    GPT_IMAGE_EDIT_KEY = "sk-vDmmYNzoe7UjWskKx"
     
     # 试用模式配置
     TRIAL_API = f"{AI_BASE_URL}/v1/images/generations"

services/generation_service.py

@@ -1,100 +1,114 @@
+import json
+import threading
+import uuid
+
+import requests
+
 from config import Config
-from models import SystemDict, GenerationRecord, User, db
-from extensions import redis_client
+from extensions import db, redis_client
+from models import GenerationRecord, SystemDict, User
 from services.logger import system_logger
 from services.task_service import process_image_generation, process_video_generation
-import requests
-import json
-import uuid
-import threading
-from flask import current_app
 from utils import get_api_candidates, get_proxied_url, should_switch_to_backup
 
+
 def get_model_cost(model_value, is_video=False):
-    """获取模型消耗积分"""
-    dict_type = 'video_model' if is_video else 'ai_model'
+    """获取模型消耗积分。"""
+    dict_type = "video_model" if is_video else "ai_model"
     model_dict = SystemDict.query.filter_by(dict_type=dict_type, value=model_value).first()
-    
+
     if model_dict:
         return model_dict.cost
-        
-    # Default costs
+
+    # 默认计费兜底
     if is_video:
         return 15 if "pro" in model_value.lower() or "3.1" in model_value else 10
-    else:
-        return 1
+    return 1
+
 
 def validate_generation_request(user, data):
-    """验证生图请求并返回配置 (api_key, target_api, cost, use_trial)"""
-    mode = data.get('mode', 'trial')
-    is_premium = data.get('is_premium', False)
-    input_key = data.get('apiKey')
-    model_value = data.get('model')
-    is_gemini_flash_image_preview = model_value == 'gemini-3.1-flash-image-preview'
+    """校验生图请求并返回 (api_key, target_api, cost, use_trial, error)。"""
+    mode = data.get("mode", "trial")
+    is_premium = data.get("is_premium", False)
+    input_key = data.get("apiKey")
+    model_value = data.get("model")
+    is_gemini_flash_image_preview = model_value == "gemini-3.1-flash-image-preview"
+    is_gpt_image_edit = model_value == "gpt-image-2"
 
     if isinstance(is_premium, str):
-        is_premium = is_premium.lower() in ('1', 'true', 'yes', 'on')
-    
-    target_api = Config.AI_API
+        is_premium = is_premium.lower() in ("1", "true", "yes", "on")
+
+    # gpt-image-2 走独立的 edits 接口，其余模型沿用现有 generations 接口
+    target_api = Config.GPT_IMAGE_EDIT_API if is_gpt_image_edit else Config.AI_API
     api_key = None
     use_trial = False
-    
-    if mode == 'key':
+
+    if mode == "key":
         api_key = input_key or user.api_key
         if not api_key:
             return None, None, 0, False, "请先输入您的 API 密钥"
-            
-        # Update user key if changed
+
+        # 用户手动输入了新 key 时，同步保存到账号
         if input_key and input_key != user.api_key:
             user.api_key = input_key
             db.session.commit()
     else:
-        if user.points > 0:
-            if is_premium:
-                api_key = Config.GEMINI_FLASH_IMAGE_PREMIUM_KEY if is_gemini_flash_image_preview else Config.PREMIUM_KEY
-            elif is_gemini_flash_image_preview:
-                api_key = Config.PREMIUM_KEY
-            else:
-                api_key = Config.TRIAL_KEY
-            target_api = Config.TRIAL_API
-            use_trial = True
-        else:
+        if user.points <= 0:
             return None, None, 0, False, "可用积分已耗尽，请充值或切换至自定义 Key 模式"
-            
-    # 计算单价
+
+        # 积分模式下，gpt-image-2 使用固定的专用 key
+        if is_gpt_image_edit:
+            api_key = Config.GPT_IMAGE_EDIT_KEY
+        elif is_premium:
+            api_key = (
+                Config.GEMINI_FLASH_IMAGE_PREMIUM_KEY
+                if is_gemini_flash_image_preview
+                else Config.PREMIUM_KEY
+            )
+        elif is_gemini_flash_image_preview:
+            api_key = Config.PREMIUM_KEY
+        else:
+            api_key = Config.TRIAL_KEY
+
+        target_api = Config.GPT_IMAGE_EDIT_API if is_gpt_image_edit else Config.TRIAL_API
+        use_trial = True
+
+    # 计算本次任务消耗
     cost = get_model_cost(model_value, is_video=False)
     if use_trial and is_premium:
         cost *= 2
-        
-    if use_trial:
-        if user.points < cost:
-            return None, None, cost, True, f"可用积分不足（本次需要 {cost} 积分）"
-    
+
+    if use_trial and user.points < cost:
+        return None, None, cost, True, f"可用积分不足，本次需要 {cost} 积分"
+
     return api_key, target_api, cost, use_trial, None
 
+
 def deduct_points(user_id, cost):
-    """原子扣除积分"""
+    """原子扣减积分。"""
     user = db.session.query(User).filter_by(id=user_id).populate_existing().with_for_update().first()
     if user:
         user.points -= cost
         user.has_used_points = True
         db.session.commit()
 
+
 def refund_points(user_id, cost):
-    """原子退还积分"""
+    """原子退回积分。"""
     try:
         user = db.session.query(User).filter_by(id=user_id).populate_existing().with_for_update().first()
         if user:
             user.points += cost
             db.session.commit()
-    except:
+    except Exception:
         db.session.rollback()
 
+
 def handle_chat_generation_sync(user_id, api_key, model_value, prompt, use_trial, cost):
-    """同步处理对话类模型"""
+    """同步处理聊天类模型。"""
     chat_payload = {
         "model": model_value,
-        "messages": [{"role": "user", "content": prompt}]
+        "messages": [{"role": "user", "content": prompt}],
     }
     try:
         resp = None
@@ -102,13 +116,16 @@ def handle_chat_generation_sync(user_id, api_key, model_value, prompt, use_trial
         candidates = get_api_candidates(Config.CHAT_API, api_key)
 
         for idx, candidate in enumerate(candidates):
-            headers = {"Authorization": f"Bearer {candidate['api_key']}", "Content-Type": "application/json"}
+            headers = {
+                "Authorization": f"Bearer {candidate['api_key']}",
+                "Content-Type": "application/json",
+            }
             try:
                 resp = requests.post(
-                    get_proxied_url(candidate['url']),
+                    get_proxied_url(candidate["url"]),
                     json=chat_payload,
                     headers=headers,
-                    timeout=Config.PROXY_TIMEOUT_LONG
+                    timeout=Config.PROXY_TIMEOUT_LONG,
                 )
                 if resp.status_code == 200:
                     break
@@ -120,7 +137,7 @@ def handle_chat_generation_sync(user_id, api_key, model_value, prompt, use_trial
                         "聊天主线路失败，切换备用线路",
                         user_id=user_id,
                         model=model_value,
-                        status_code=resp.status_code
+                        status_code=resp.status_code,
                     )
                     continue
                 break
@@ -131,7 +148,7 @@ def handle_chat_generation_sync(user_id, api_key, model_value, prompt, use_trial
                         "聊天请求异常，切换备用线路",
                         user_id=user_id,
                         model=model_value,
-                        error=last_error
+                        error=last_error,
                     )
                     continue
                 raise
@@ -140,72 +157,83 @@ def handle_chat_generation_sync(user_id, api_key, model_value, prompt, use_trial
             if use_trial:
                 refund_points(user_id, cost)
             return {"error": last_error or "聊天请求失败"}, resp.status_code if resp else 500
-        
+
         api_result = resp.json()
-        content = api_result['choices'][0]['message']['content']
-        
-        # 记录聊天历史
+        content = api_result["choices"][0]["message"]["content"]
+
+        # 非验光单解读的文本生成写入历史
         if prompt != "解读验光单":
             new_record = GenerationRecord(
                 user_id=user_id,
                 prompt=prompt,
                 model=model_value,
                 cost=cost,
-                image_urls=json.dumps([{"type": "text", "content": content}])
+                image_urls=json.dumps([{"type": "text", "content": content}]),
             )
             db.session.add(new_record)
             db.session.commit()
-        
+
         return {
             "data": [{"content": content, "type": "text"}],
-            "message": "生成成功！"
+            "message": "生成成功",
         }, 200
     except Exception as e:
         if use_trial:
             refund_points(user_id, cost)
         return {"error": str(e)}, 500
 
+
 def start_async_image_task(app, user_id, payload, api_key, target_api, cost, mode, model_value, use_trial=False):
-    """启动异步生图任务"""
+    """启动异步生图任务。"""
     task_id = str(uuid.uuid4())
-    
-    log_msg = "用户发起验光单解读" if payload.get('prompt') == "解读验光单" else "用户发起生图任务"
+
+    log_msg = "用户发起验光单解读" if payload.get("prompt") == "解读验光单" else "用户发起生图任务"
     system_logger.info(log_msg, model=model_value, mode=mode)
-    
-    redis_client.setex(f"task:{task_id}", 3600, json.dumps({"status": "queued", "message": "任务已提交，等待处理..."}))
-    
+
+    redis_client.setex(
+        f"task:{task_id}",
+        3600,
+        json.dumps({"status": "queued", "message": "任务已提交，等待处理..."}),
+    )
+
     threading.Thread(
         target=process_image_generation,
-        args=(app, user_id, task_id, payload, api_key, target_api, cost, use_trial)
+        args=(app, user_id, task_id, payload, api_key, target_api, cost, use_trial),
     ).start()
-    
+
     return task_id
 
+
 def validate_video_request(user, data):
-    """验证视频生成请求"""
+    """校验视频生成请求。"""
     if user.points <= 0:
         return None, 0, "可用积分不足，请先充值"
-    
-    model_value = data.get('model', 'veo3.1')
+
+    model_value = data.get("model", "veo3.1")
     cost = get_model_cost(model_value, is_video=True)
-    
+
     if user.points < cost:
         return None, cost, f"积分不足，生成该视频需要 {cost} 积分"
-        
+
     return model_value, cost, None
 
+
 def start_async_video_task(app, user_id, payload, cost, model_value):
-    """启动异步视频任务"""
+    """启动异步视频任务。"""
     api_key = Config.VIDEO_KEY
     task_id = str(uuid.uuid4())
-    
+
     system_logger.info("用户发起视频生成任务 (积分模式)", model=model_value, cost=cost)
-    
-    redis_client.setex(f"task:{task_id}", 3600, json.dumps({"status": "queued", "message": "视频任务已提交，准备开始导演..."}))
+
+    redis_client.setex(
+        f"task:{task_id}",
+        3600,
+        json.dumps({"status": "queued", "message": "视频任务已提交，准备开始处理..."}),
+    )
 
     threading.Thread(
         target=process_video_generation,
-        args=(app, user_id, task_id, payload, api_key, cost, True) # 视频目前默认为积分模式
+        args=(app, user_id, task_id, payload, api_key, cost, True),
     ).start()
-    
+
     return task_id

services/task_service.py

@@ -5,6 +5,7 @@ import requests
 import io
 import time
 import base64
+import binascii
 import threading
 from urllib.parse import quote
 from requests.exceptions import ConnectionError, ConnectTimeout
@@ -46,6 +47,171 @@ def _extract_error_detail(data, default="未知错误"):
 
     return default
 
+
+def _guess_image_extension(content_type, fallback=".png"):
+    mapping = {
+        "image/png": ".png",
+        "image/jpeg": ".jpg",
+        "image/jpg": ".jpg",
+        "image/webp": ".webp",
+    }
+    return mapping.get((content_type or "").lower(), fallback)
+
+
+def _put_object_bytes(object_name, content, content_type):
+    s3_client.put_object(
+        Bucket=Config.MINIO["bucket"],
+        Key=object_name,
+        Body=content,
+        ContentType=content_type,
+    )
+
+
+def _upload_image_bytes_to_minio(content, content_type="image/png"):
+    ext = _guess_image_extension(content_type)
+    base_filename = f"gen-{uuid.uuid4().hex}"
+    full_filename = f"{base_filename}{ext}"
+    thumb_filename = f"{base_filename}-thumb.jpg"
+
+    try:
+        _put_object_bytes(full_filename, content, content_type)
+    except Exception as upload_e:
+        raise Exception(f"MinIO 上传原图失败: {upload_e}")
+
+    full_url = f"{Config.MINIO['public_url']}{quote(full_filename)}"
+    thumb_url = full_url
+
+    try:
+        img = Image.open(io.BytesIO(content))
+        if img.mode in ("RGBA", "P"):
+            img = img.convert("RGB")
+
+        w, h = img.size
+        if w > 400:
+            ratio = 400 / float(w)
+            img.thumbnail((400, int(h * ratio)), Image.Resampling.LANCZOS)
+
+        thumb_io = io.BytesIO()
+        img.save(thumb_io, format="JPEG", quality=80, optimize=True)
+        thumb_io.seek(0)
+
+        _put_object_bytes(thumb_filename, thumb_io.getvalue(), "image/jpeg")
+        thumb_url = f"{Config.MINIO['public_url']}{quote(thumb_filename)}"
+    except Exception as thumb_e:
+        system_logger.warning(f"缩略图生成失败: {thumb_e}")
+
+    return {"url": full_url, "thumb": thumb_url}
+
+
+def _decode_base64_image(image_value):
+    raw_value = image_value or ""
+    content_type = "image/png"
+    if raw_value.startswith("data:") and "," in raw_value:
+        header, raw_value = raw_value.split(",", 1)
+        if ";" in header:
+            content_type = header[5:].split(";", 1)[0] or content_type
+
+    # 清理换行和空白，兼容部分服务端返回的分段 Base64
+    raw_value = "".join(raw_value.strip().split())
+    padding = (-len(raw_value)) % 4
+    if padding:
+        raw_value += "=" * padding
+
+    try:
+        decoded = base64.b64decode(raw_value, validate=True)
+    except binascii.Error:
+        try:
+            decoded = base64.urlsafe_b64decode(raw_value)
+        except Exception as decode_e:
+            raise Exception(f"Base64 解码失败: {decode_e}")
+
+    if not decoded:
+        raise Exception("Base64 解码失败: 结果为空")
+
+    # 提前验证图片内容，避免把损坏字节流误判成 MinIO 上传问题
+    try:
+        img = Image.open(io.BytesIO(decoded))
+        img.verify()
+    except Exception as verify_e:
+        raise Exception(f"Base64 已解码，但图片数据无效: {verify_e}")
+
+    return decoded, content_type
+
+
+def _extract_b64_images(result):
+    images = []
+    for item in result.get("data", []) or []:
+        if not isinstance(item, dict):
+            continue
+        if item.get("b64_json"):
+            images.append(item["b64_json"])
+        elif item.get("image_base64"):
+            images.append(item["image_base64"])
+    return images
+
+
+def _process_gpt_image_edit(app, user_id, task_id, payload, api_key, target_api, cost, use_trial):
+    headers = {
+        "Authorization": f"Bearer {api_key}",
+        "Content-Type": "application/json",
+    }
+    # gpt-image-2 的 edits 接口走站内地址，直连比经过公共代理更稳定
+    response = requests.post(
+        target_api,
+        json=payload,
+        headers=headers,
+        timeout=Config.PROXY_TIMEOUT_GENERATION,
+    )
+
+    if response.status_code != 200:
+        try:
+            error_data = response.json()
+        except Exception:
+            error_data = {"message": response.text}
+        raise Exception(f"gpt-image-2 请求失败: {_extract_error_detail(error_data)}")
+
+    result = response.json()
+    b64_images = _extract_b64_images(result)
+    if not b64_images:
+        raise Exception("gpt-image-2 未返回可用图片数据")
+
+    processed_data = []
+    final_urls = []
+    output_format = (payload.get("output_format") or "png").lower()
+    default_content_type = f"image/{output_format}" if output_format in ("png", "jpeg", "jpg", "webp") else "image/png"
+
+    for b64_image in b64_images:
+        try:
+            image_bytes, content_type = _decode_base64_image(b64_image)
+        except Exception as decode_e:
+            raise Exception(f"gpt-image-2 返回的 Base64 图片无效: {decode_e}")
+        if content_type == "image/png" and default_content_type != "image/png":
+            content_type = default_content_type
+        try:
+            uploaded = _upload_image_bytes_to_minio(image_bytes, content_type)
+        except Exception as upload_e:
+            raise Exception(f"gpt-image-2 结果已生成，但同步到 MinIO 失败: {upload_e}")
+        processed_data.append(uploaded)
+        final_urls.append(uploaded["url"])
+
+    new_record = GenerationRecord(
+        user_id=user_id,
+        prompt=payload.get("prompt"),
+        model=payload.get("model"),
+        cost=cost,
+        image_urls=json.dumps(processed_data),
+    )
+    db.session.add(new_record)
+    db.session.commit()
+
+    system_logger.info("gpt-image-2 生图任务完成", user_id=user_id, task_id=task_id, model=payload.get("model"))
+    redis_client.setex(
+        f"task:{task_id}",
+        3600,
+        json.dumps({"status": "complete", "urls": final_urls, "record_id": new_record.id}),
+    )
+
+
 def sync_images_background(app, record_id, raw_urls):
     """后台同步图片至 MinIO，并生成缩略图，带重试机制"""
     with app.app_context():
@@ -129,6 +295,10 @@ def process_image_generation(app, user_id, task_id, payload, api_key, target_api
         redis_client.setex(f"task:{task_id}", 3600, json.dumps({"status": "processing", "message": "任务已提交，正在排队处理..."}))
         try:
             # 1. 提交异步请求 (带重试机制)
+            if payload.get('model') == 'gpt-image-2':
+                _process_gpt_image_edit(app, user_id, task_id, payload, api_key, target_api, cost, use_trial)
+                return
+
             submit_resp = None
             last_error = None
             active_api = target_api

static/js/main.js

@@ -457,10 +457,46 @@ document.addEventListener('paste', (e) => {
     }
 });
 
-const SIZE_MODELS = ['nano-banana-pro', 'gemini-3.1-flash-image-preview'];
+const GPT_IMAGE_EDIT_MODEL = 'gpt-image-2';
+const GPT_IMAGE_EDIT_SIZES = [
+    { label: '1024x1024 (square)', value: '1024x1024' },
+    { label: '1536x1024 (landscape)', value: '1536x1024' },
+    { label: '1024x1536 (portrait)', value: '1024x1536' },
+    { label: '2048x2048 (2K square)', value: '2048x2048' },
+    { label: '2048x1152 (2K landscape)', value: '2048x1152' },
+    { label: '3840x2160 (4K landscape)', value: '3840x2160' },
+    { label: '2160x3840 (4K portrait)', value: '2160x3840' },
+    { label: 'auto (default)', value: 'auto' }
+];
+const SIZE_MODELS = ['nano-banana-2', 'gemini-3.1-flash-image-preview', GPT_IMAGE_EDIT_MODEL];
+let defaultSizeOptions = [];
 
-document.getElementById('modelSelect').onchange = (e) => {
-    document.getElementById('sizeGroup').classList.toggle('hidden', !SIZE_MODELS.includes(e.target.value));
+function updateSizeOptions() {
+    const modelSelect = document.getElementById('modelSelect');
+    const sizeGroup = document.getElementById('sizeGroup');
+    const sizeSelect = document.getElementById('sizeSelect');
+    const ratioGroup = document.getElementById('ratioGroup');
+    if (!modelSelect || !sizeGroup || !sizeSelect) return;
+
+    const selectedModel = modelSelect.value;
+    const previousValue = sizeSelect.value;
+    const nextSizes = selectedModel === GPT_IMAGE_EDIT_MODEL ? GPT_IMAGE_EDIT_SIZES : defaultSizeOptions;
+    fillSelect('sizeSelect', nextSizes);
+
+    if (selectedModel === GPT_IMAGE_EDIT_MODEL) {
+        sizeSelect.value = '2160x3840';
+    } else if (nextSizes.some(item => item.value === previousValue)) {
+        sizeSelect.value = previousValue;
+    }
+
+    sizeGroup.classList.toggle('hidden', !SIZE_MODELS.includes(selectedModel));
+    if (ratioGroup) {
+        ratioGroup.classList.toggle('hidden', selectedModel === GPT_IMAGE_EDIT_MODEL);
+    }
+}
+
+document.getElementById('modelSelect').onchange = () => {
+    updateSizeOptions();
     updateCostPreview(); // 切换模型时更新计费预览
 };
 
@@ -490,7 +526,7 @@ document.getElementById('promptTpl').onchange = (e) => {
 
 document.getElementById('submitBtn').onclick = async () => {
     const btn = document.getElementById('submitBtn');
-    const prompt = document.getElementById('manualPrompt').value;
+    const prompt = document.getElementById('manualPrompt').value.trim();
     const apiKey = document.getElementById('apiKey').value;
     const num = parseInt(document.getElementById('numSelect').value);
 
@@ -510,11 +546,24 @@ document.getElementById('submitBtn').onclick = async () => {
     }
 
     // 允许文生图（不强制要求图片），但至少得有提示词或图片
-    if (!prompt && uploadedFiles.length === 0) {
+    if (!prompt) {
+        return showToast('提示词不能为空', 'warning');
         return showToast('请至少输入提示词或上传参考图', 'warning');
     }
 
     // UI 锁定
+    if (document.getElementById('modelSelect').value === GPT_IMAGE_EDIT_MODEL && uploadedFiles.length === 0) {
+        return showToast('gpt-image-2 requires a reference image', 'warning');
+    }
+
+    if (document.getElementById('modelSelect').value === GPT_IMAGE_EDIT_MODEL && uploadedFiles.length === 0) {
+        return showToast('gpt-image-2 妯″瀷蹇呴』涓婁紶鍙傝€冨浘', 'warning');
+    }
+
+    if (document.getElementById('modelSelect').value === GPT_IMAGE_EDIT_MODEL && uploadedFiles.length === 0) {
+        return showToast('gpt-image-2 requires a reference image', 'warning');
+    }
+
     btn.disabled = true;
     const btnText = btn.querySelector('span');
     btnText.innerText = uploadedFiles.length > 0 ? "正在同步参考图..." : "正在开启 AI 引擎...";
@@ -597,7 +646,7 @@ document.getElementById('submitBtn').onclick = async () => {
                         apiKey: currentMode === 'key' ? apiKey : '',
                         prompt: document.getElementById('manualPrompt').value,
                         model: document.getElementById('modelSelect').value,
-                        ratio: document.getElementById('ratioSelect').value,
+                        ratio: document.getElementById('modelSelect').value === GPT_IMAGE_EDIT_MODEL ? undefined : document.getElementById('ratioSelect').value,
                         size: document.getElementById('sizeSelect').value,
                         image_data // 发送 Base64 数组
                     })
@@ -787,7 +836,7 @@ window.addEventListener('message', (e) => {
         if (modelSelect) {
             modelSelect.value = 'nano-banana-2';
             modelSelect.disabled = true; // 锁定选择
-            sizeGroup.classList.remove('hidden');
+            updateSizeOptions();
             updateCostPreview();
         }
 
@@ -1036,12 +1085,13 @@ async function refreshPromptsList() {
 
         fillSelect('modelSelect', d.models);
         fillSelect('ratioSelect', d.ratios);
-        fillSelect('sizeSelect', d.sizes);
+        defaultSizeOptions = d.sizes || [];
+        updateSizeOptions();
 
         // 初始化后检查默认模型是否需要显示尺寸选择器
         const modelSelect = document.getElementById('modelSelect');
         if (modelSelect && typeof SIZE_MODELS !== 'undefined') {
-            document.getElementById('sizeGroup').classList.toggle('hidden', !SIZE_MODELS.includes(modelSelect.value));
+            updateSizeOptions();
         }
 
         const userPrompts = await loadUserPrompts();

templates/index.html

@@ -81,7 +81,7 @@
                     <select id="modelSelect"
                         class="w-full bg-white border border-slate-200 rounded-xl p-3 text-xs font-bold outline-none focus:border-indigo-500 transition-all"></select>
                 </div>
-                <div class="space-y-1.5">
+                <div id="ratioGroup" class="space-y-1.5">
                     <label
                         class="text-[10px] font-bold text-slate-400 uppercase tracking-widest ml-1 flex items-center gap-1.5"><i
                             data-lucide="layout" class="w-3 h-3"></i>画面比例</label>
@@ -481,4 +481,4 @@
 
 {% block scripts %}
 <script src="{{ url_for('static', filename='js/main.js') }}"></script>
-{% endblock %}
+{% endblock %}

templates/mobile.html

@@ -191,7 +191,7 @@
 
                 <!-- 比例和数量 -->
                 <div class="grid grid-cols-2 gap-3">
-                    <div class="space-y-2">
+                    <div id="ratioGroup" class="space-y-2">
                         <label class="text-xs font-bold text-slate-500 uppercase tracking-wider flex items-center gap-2">
                             <i data-lucide="layout" class="w-4 h-4"></i>画面比例
                         </label>
@@ -424,7 +424,7 @@
                 fillSelect('ratioSelect', config.ratios);
 
                 // 填充尺寸选择
-                fillSelect('sizeSelect', config.sizes);
+                defaultSizeOptions = config.sizes || [];
 
                 // 加载用户收藏的提示词
                 const userPrompts = await loadUserPrompts();
@@ -449,14 +449,40 @@
         }
 
         // 尺寸模型常量 (与PC端一致)
-        const SIZE_MODELS = ['nano-banana-2', 'gemini-3.1-flash-image-preview'];
+        const GPT_IMAGE_EDIT_MODEL = 'gpt-image-2';
+        const GPT_IMAGE_EDIT_SIZES = [
+            { label: '1024x1024 (square)', value: '1024x1024' },
+            { label: '1536x1024 (landscape)', value: '1536x1024' },
+            { label: '1024x1536 (portrait)', value: '1024x1536' },
+            { label: '2048x2048 (2K square)', value: '2048x2048' },
+            { label: '2048x1152 (2K landscape)', value: '2048x1152' },
+            { label: '3840x2160 (4K landscape)', value: '3840x2160' },
+            { label: '2160x3840 (4K portrait)', value: '2160x3840' },
+            { label: 'auto (default)', value: 'auto' }
+        ];
+        const SIZE_MODELS = ['nano-banana-2', 'gemini-3.1-flash-image-preview', GPT_IMAGE_EDIT_MODEL];
+        let defaultSizeOptions = [];
 
         // 更新尺寸选择器显示状态
         function updateSizeVisibility() {
             const modelSelect = document.getElementById('modelSelect');
             const sizeGroup = document.getElementById('sizeGroup');
-            if (modelSelect && sizeGroup) {
-                sizeGroup.classList.toggle('hidden', !SIZE_MODELS.includes(modelSelect.value));
+            const sizeSelect = document.getElementById('sizeSelect');
+            const ratioGroup = document.getElementById('ratioGroup');
+            if (modelSelect && sizeGroup && sizeSelect) {
+                const selectedModel = modelSelect.value;
+                const previousValue = sizeSelect.value;
+                const nextSizes = selectedModel === GPT_IMAGE_EDIT_MODEL ? GPT_IMAGE_EDIT_SIZES : defaultSizeOptions;
+                fillSelect('sizeSelect', nextSizes);
+                if (selectedModel === GPT_IMAGE_EDIT_MODEL) {
+                    sizeSelect.value = '2160x3840';
+                } else if (nextSizes.some(item => item.value === previousValue)) {
+                    sizeSelect.value = previousValue;
+                }
+                sizeGroup.classList.toggle('hidden', !SIZE_MODELS.includes(selectedModel));
+                if (ratioGroup) {
+                    ratioGroup.classList.toggle('hidden', selectedModel === GPT_IMAGE_EDIT_MODEL);
+                }
             }
         }
 
@@ -627,6 +653,7 @@
 
             const prompt = document.getElementById('manualPrompt').value.trim();
             if (!prompt) {
+                showToast('提示词不能为空', 'warning');
                 showToast('请输入提示词', 'warning');
                 return;
             }
@@ -637,8 +664,14 @@
             const num = parseInt(document.getElementById('numSelect').value);
             const isPremium = document.getElementById('isPremium').checked;
 
+            if (model === GPT_IMAGE_EDIT_MODEL && uploadedFiles.length === 0) {
+                showToast('gpt-image-2 模型必须上传参考图', 'warning');
+                return;
+            }
+
             // 显示加载状态
             document.getElementById('placeholder').classList.add('hidden');
+            document.getElementById('placeholder').classList.add('hidden');
             document.getElementById('resultGrid').classList.add('hidden');
             document.getElementById('loadingState').classList.remove('hidden');
 
@@ -674,7 +707,7 @@
                 is_premium: isPremium,
                 prompt,
                 model,
-                ratio,
+                ratio: model === GPT_IMAGE_EDIT_MODEL ? undefined : ratio,
                 size,
                 image_data: imageData.length > 0 ? imageData : undefined
             };