diff --git a/.gitignore b/.gitignore
index 2316695..a8c6d57 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 # Python
 __pycache__/
 *.py[cod]
+*.spec
 *$py.class
 *.so
 .Python
diff --git a/guba.ico b/guba.ico
new file mode 100644
index 0000000..d6d1eb0
Binary files /dev/null and b/guba.ico differ
diff --git a/main.py b/main.py
index ded22e0..fcdbc31 100644
--- a/main.py
+++ b/main.py
@@ -15,6 +15,48 @@ from llm_analyzer import LLMAnalyzer
 from main_window import MainWindow
 
 
+class ScreenshotWorker(QObject):
+    """截图工作器 - 专门处理上证所截图"""
+
+    sse_screenshot_fetched = Signal(str)
+    error_occurred = Signal(str)
+
+    def __init__(self, spider: SpiderManager):
+        super().__init__()
+        self.spider = spider
+        self.running = False
+        logger.info("ScreenshotWorker 初始化完成")
+
+    def start(self):
+        """启动截图任务"""
+        self.running = True
+        logger.info("截图任务已启动")
+
+    def stop(self):
+        """停止截图任务"""
+        self.running = False
+        logger.info("截图任务已停止")
+
+    def do_fetch(self):
+        """执行截图获取"""
+        if not self.running:
+            return
+
+        try:
+            logger.info("开始爬取上证所网页截图")
+            screenshot_path = self.spider.fetch_sse_screenshot()
+            
+            if screenshot_path:
+                logger.info(f"成功获取截图: {screenshot_path}")
+                self.sse_screenshot_fetched.emit(screenshot_path)
+            else:
+                logger.warning("未能获取有效的截图")
+                
+        except Exception as e:
+            logger.error(f"爬取截图失败: {str(e)}")
+            self.error_occurred.emit(f"截图失败: {str(e)}")
+
+
 class BackendWorker(QObject):
     """后台工作器 - 处理爬取和分析任务"""
 
@@ -289,11 +331,23 @@ def main():
     # 线程结束时停止工作
     worker_thread.finished.connect(worker.stop)
 
+    # 创建截图后台线程
+    logger.info("创建截图后台线程...")
+    screenshot_worker = ScreenshotWorker(spider)
+    screenshot_thread = QThread()
+    screenshot_worker.moveToThread(screenshot_thread)
+    screenshot_thread.started.connect(screenshot_worker.start)
+    screenshot_thread.finished.connect(screenshot_worker.stop)
+
     # 创建主窗口
     logger.info("创建主窗口...")
     window = MainWindow(config, spider)
     window.show()
 
+    # 连接截图信号（在创建window后连接）
+    screenshot_worker.sse_screenshot_fetched.connect(window.update_sse_screenshot)
+    screenshot_worker.error_occurred.connect(lambda msg: logger.error(msg))
+
     # 连接信号
     worker.status_update.connect(window.update_status)
     worker.analysis_finished.connect(window.update_indicator)
@@ -313,17 +367,21 @@ def main():
     worker_thread.start()
     logger.info("后台线程已启动")
     
+    # 启动截图后台线程
+    screenshot_thread.start()
+    logger.info("截图后台线程已启动")
+
     # 启动股票数据爬取定时器
     stock_timer = QTimer()
     stock_timer.timeout.connect(worker.fetch_stock_data)
     stock_timer.start(60000)  # 每分钟爬取一次股票数据
     logger.info("股票数据爬取定时器已启动，间隔60秒")
 
-    # 启动上证所截图爬取定时器
+    # 启动上证所截图爬取定时器（使用独立的截图线程，不再阻塞主循环）
     screenshot_timer = QTimer()
-    screenshot_timer.timeout.connect(worker.fetch_sse_screenshot)
-    screenshot_timer.start(300000)  # 每5分钟爬取一次截图
-    logger.info("上证所截图爬取定时器已启动，间隔300秒")
+    screenshot_timer.timeout.connect(screenshot_worker.do_fetch)
+    screenshot_timer.start(60000)  # 每1分钟爬取一次截图
+    logger.info("上证所截图爬取定时器已启动，间隔60秒")
 
     # 确保应用退出时清理线程
     def cleanup():
@@ -332,6 +390,11 @@ def main():
         worker_thread.quit()
         worker_thread.wait()
         
+        # 停止截图线程
+        screenshot_worker.stop()
+        screenshot_thread.quit()
+        screenshot_thread.wait()
+        
         # 显示统计信息
         logger.info("=== 程序运行统计 ===")
         logger.info(f"爬取网站次数: {worker.fetch_count}")
diff --git a/main_window.py b/main_window.py
index d40332a..262ede7 100644
--- a/main_window.py
+++ b/main_window.py
@@ -451,6 +451,10 @@ class MainWindow(QWidget):
             self.screenshot_label.setText("截图加载失败")
             logger.warning("截图加载失败")
 
+    def add_waveform_data(self, time_str: str, value: float):
+        """添加波形图数据点（暂未实现波形图功能）"""
+        logger.debug(f"波形图数据: 时间={time_str}, 值={value}")
+
 
 class QCheckBox(QPushButton):
     """自定义复选框"""
diff --git a/sse_screenshot.png b/sse_screenshot.png
index c3d6797..d9ef3ad 100644
Binary files a/sse_screenshot.png and b/sse_screenshot.png differ