diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..191c75e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,91 @@
+# macOS
+.DS_Store
+.AppleDouble
+.LSOverride
+Icon
+._*
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# Windows
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+*.stackdump
+[Dd]esktop.ini
+$RECYCLE.BIN/
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+*.lnk
+
+# Linux
+*~
+.fuse_hidden*
+.directory
+.Trash-*
+.nfs*
+
+# 编辑器和 IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+.project
+.classpath
+.settings/
+*.sublime-project
+*.sublime-workspace
+
+# 临时文件
+*.tmp
+*.temp
+*.bak
+*.backup
+*.old
+*.orig
+~$*
+
+# 日志文件
+*.log
+logs/
+*.log.*
+
+# 敏感信息
+**/私密/
+**/private/
+**/secret/
+*.key
+*.pem
+*.p12
+*password*
+*secret*
+
+# 构建产物
+dist/
+build/
+output/
+
+# 个人笔记（不提交到仓库）
+**/个人笔记/
+**/草稿/
+**/draft/
+**/_private/
+
+# Obsidian
+.obsidian/
+.trash/