diff --git a/BUILD.md b/BUILD.md
index 9df979f..bafceae 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -113,3 +113,5 @@ A: 确保打包时包含了 `PyQt6.QtWebEngineWidgets`，打包脚本已自动
 
 
 
+
+
diff --git a/STARTUP_OPTIMIZATION.md b/STARTUP_OPTIMIZATION.md
index 38f1c7f..79539df 100644
--- a/STARTUP_OPTIMIZATION.md
+++ b/STARTUP_OPTIMIZATION.md
@@ -115,3 +115,5 @@ Measure-Command { Start-Process -FilePath "dist\PCM_Viewer.exe" -Wait }
 
 
 
+
+
diff --git a/TROUBLESHOOTING.md b/TROUBLESHOOTING.md
index 0702c7d..a4a28bf 100644
--- a/TROUBLESHOOTING.md
+++ b/TROUBLESHOOTING.md
@@ -58,3 +58,5 @@ pip install -r requirements.txt
 
 
 
+
+
diff --git a/build.bat b/build.bat
index e012d7b..325fba7 100644
--- a/build.bat
+++ b/build.bat
@@ -27,3 +27,5 @@ pause
 
 
 
+
+
diff --git a/build.sh b/build.sh
index a70f6a4..cd59a3b 100644
--- a/build.sh
+++ b/build.sh
@@ -25,3 +25,5 @@ python build.py
 
 
 
+
+
diff --git a/build_optimized.py b/build_optimized.py
index 4b133a5..1b81472 100644
--- a/build_optimized.py
+++ b/build_optimized.py
@@ -94,3 +94,5 @@ if __name__ == "__main__":
 
 
 
+
+
diff --git a/main.py b/main.py
index e00b183..1b92c39 100644
--- a/main.py
+++ b/main.py
@@ -442,6 +442,8 @@ class DashboardItem(QGraphicsRectItem):
 class ImageItem(DashboardItem):
     def __init__(self, x: float, y: float, w: float, h: float, parent=None):
         super().__init__(x, y, w, h, parent)
+        # 图片组件背景色设为纯白色
+        self.setBrush(QBrush(QColor(255, 255, 255)))
         self._image_path: str = ""
         self._pixmap_item = QGraphicsPixmapItem(self)
         self._pixmap_item.setPos(0, 0)