diff --git a/Electron-Preload/Electron 预加载脚本.pdf b/Electron-Preload/Electron 预加载脚本.pdf
new file mode 100644
index 0000000..d3f5a12
--- /dev/null
+++ b/Electron-Preload/Electron 预加载脚本.pdf	
@@ -0,0 +1 @@
+
diff --git a/Preload/Electron 预加载脚本.pdf b/Preload/Electron 预加载脚本.pdf
deleted file mode 100644
index 6521ac5..0000000
Binary files a/Preload/Electron 预加载脚本.pdf and /dev/null differ