diff --git b/.gitignore a/.gitignore
new file mode 100644
index 0000000..bbac6b4
--- /dev/null
+++ a/.gitignore
@@ -0,0 +1,55 @@
+# Android Studio / IntelliJ
+.idea
+*.iml
+*.hprof
+.gradle
+local.properties
+.DS_Store
+
+# 编译输出
+/build/
+*/build/
+
+# 生成文件
+/captures/
+.navigation/
+*.apk
+*.ap_
+*.db
+*.log
+*.p12
+*.key
+*.jks
+*.keystore
+*.dex
+*.class
+
+# 外部库
+*.jar
+*.aar
+*.crashlytics
+/.cxx/
+
+# 本地配置文件
+/gradle/
+/app/google-services.json
+/app/src/debug/google-services.json
+/app/src/release/google-services.json
+
+# Proguard 文件
+*.pro
+
+# Android NDK
+/obj/
+/.ndk/
+
+# Google Services (例如 Firebase)
+.firebase/
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+/google-services.json
+
+# 库和编译缓存
+.cxx/
+.externalNativeBuild/
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