diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..32699e0
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,121 @@
+# ==========================================
+# Maven 构建产物
+# ==========================================
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+.mvn/wrapper/maven-wrapper.jar
+
+# ==========================================
+# IDE - IntelliJ IDEA
+# ==========================================
+.idea/
+*.iml
+*.iws
+*.ipr
+out/
+
+# ==========================================
+# IDE - Eclipse
+# ==========================================
+.classpath
+.project
+.settings/
+.factorypath
+bin/
+*.launch
+
+# ==========================================
+# IDE - VS Code
+# ==========================================
+.vscode/
+.classpath
+
+# ==========================================
+# IDE - NetBeans
+# ==========================================
+nb-configuration.xml
+nbproject/
+nbbuild/
+dist/
+
+# ==========================================
+# Java 编译产物
+# ==========================================
+*.class
+*.log
+hs_err_pid*.log
+replay_pid*.log
+
+# ==========================================
+# Spring Boot
+# ==========================================
+*.original
+HELP.md
+
+# ==========================================
+# 日志文件
+# ==========================================
+logs/
+*.log
+log/
+
+# ==========================================
+# 操作系统文件
+# ==========================================
+.DS_Store
+Thumbs.db
+ehthumbs.db
+Desktop.ini
+$RECYCLE.BIN/
+
+# ==========================================
+# 临时文件
+# ==========================================
+*.swp
+*.swo
+*~
+.cache/
+tmp/
+temp/
+
+# ==========================================
+# 敏感配置 / 环境变量
+# ==========================================
+application-local.yml
+application-local.properties
+application-dev.yml
+application-dev.properties
+.env
+.env.local
+
+# ==========================================
+# 上传 / 资源文件
+# ==========================================
+uploads/
+upload/
+static/upload/
+
+# ==========================================
+# 测试覆盖率报告
+# ==========================================
+coverage/
+*.coverage
+*.lcov
+jacoco/
+test-output/
+
+# ==========================================
+# 密钥与证书
+# ==========================================
+*.pem
+*.key
+*.p12
+*.jks
+keystore/
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