diff --git a/app-android/.gitignore b/app-android/.gitignore
index aa724b7..013224b 100644
--- a/app-android/.gitignore
+++ b/app-android/.gitignore
@@ -13,3 +13,9 @@
 .externalNativeBuild
 .cxx
 local.properties
+
+# 签名配置（敏感信息，不要提交）
+keystore.properties
+*.jks
+*.keystore
+release-keystore.jks
diff --git a/app-android/app/build.gradle.kts b/app-android/app/build.gradle.kts
index c94caf9..78b15a5 100644
--- a/app-android/app/build.gradle.kts
+++ b/app-android/app/build.gradle.kts
@@ -1,3 +1,6 @@
+import java.util.Properties
+import java.io.FileInputStream
+
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.android)
@@ -6,6 +9,13 @@ plugins {
     alias(libs.plugins.ksp)
 }
 
+// 加载签名配置（从 keystore.properties 文件读取）
+val keystorePropertiesFile = rootProject.file("keystore.properties")
+val keystoreProperties = Properties()
+if (keystorePropertiesFile.exists()) {
+    keystoreProperties.load(FileInputStream(keystorePropertiesFile))
+}
+
 android {
     namespace = "com.huaga.life_echo"
     compileSdk = 36
@@ -15,21 +25,23 @@ android {
         minSdk = 24
         targetSdk = 36
         versionCode = 1
-        versionName = "1.0"
+        versionName = "1.0.0"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }
-
-    buildTypes {
-        release {
-            isMinifyEnabled = false
-            proguardFiles(
-                getDefaultProguardFile("proguard-android-optimize.txt"),
-                "proguard-rules.pro"
-            )
+    
+    // 签名配置
+    signingConfigs {
+        create("release") {
+            if (keystorePropertiesFile.exists()) {
+                keyAlias = keystoreProperties["keyAlias"] as String
+                keyPassword = keystoreProperties["keyPassword"] as String
+                storeFile = file(keystoreProperties["storeFile"] as String)
+                storePassword = keystoreProperties["storePassword"] as String
+            }
         }
     }
-    
+
     lint {
         checkReleaseBuilds = false
         abortOnError = false
@@ -43,6 +55,46 @@ android {
     }
     buildFeatures {
         compose = true
+        buildConfig = true  // 启用 BuildConfig 生成
+    }
+    
+    // 构建类型配置
+    // ⚠️ 只需修改 IS_DEBUG_MODE 即可切换环境
+    // true  = 开发模式（显示调试UI，连接开发服务器）
+    // false = 生产模式（隐藏调试UI，连接生产服务器）
+    // URL 地址在 AppConfig.kt 中根据此值自动选择
+    buildTypes {
+        debug {
+            buildConfigField("Boolean", "IS_DEBUG_MODE", "true")  // 开发模式
+            applicationIdSuffix = ".debug"
+            versionNameSuffix = "-debug"
+        }
+        release {
+            buildConfigField("Boolean", "IS_DEBUG_MODE", "false") // 生产模式
+            
+            // 使用 release 签名配置
+            if (keystorePropertiesFile.exists()) {
+                signingConfig = signingConfigs.getByName("release")
+            }
+            
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    
+    // APK 文件命名
+    applicationVariants.all {
+        val variant = this
+        variant.outputs.all {
+            val output = this as com.android.build.gradle.internal.api.BaseVariantOutputImpl
+            val appName = "岁月史书"
+            val versionName = variant.versionName
+            val buildType = variant.buildType.name
+            output.outputFileName = "${appName}_v${versionName}_${buildType}.apk"
+        }
     }
 }
 
@@ -90,6 +142,9 @@ dependencies {
     // Image Loading
     implementation(libs.coil.compose)
     
+    // Markdown Rendering
+    implementation(libs.markdown.renderer)
+    
     // Permissions
     implementation(libs.accompanist.permissions)
     
diff --git a/app-android/gradle/libs.versions.toml b/app-android/gradle/libs.versions.toml
index 31ca3fc..fcb0b77 100644
--- a/app-android/gradle/libs.versions.toml
+++ b/app-android/gradle/libs.versions.toml
@@ -17,6 +17,7 @@ permissions = "0.34.0"
 coroutines = "1.9.0"
 serialization = "1.7.3"
 coil = "2.5.0"
+markdown = "0.22.0"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
@@ -66,6 +67,9 @@ kotlinx-serialization-json = { group = "org.jetbrains.kotlinx", name = "kotlinx-
 # Image Loading
 coil-compose = { group = "io.coil-kt", name = "coil-compose", version.ref = "coil" }
 
+# Markdown Rendering
+markdown-renderer = { group = "com.mikepenz", name = "multiplatform-markdown-renderer-m3", version.ref = "markdown" }
+
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }
 kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
diff --git a/app-android/keystore.properties.template b/app-android/keystore.properties.template
new file mode 100644
index 0000000..a4e5c94
--- /dev/null
+++ b/app-android/keystore.properties.template
@@ -0,0 +1,20 @@
+# 签名配置文件模板
+# 
+# 使用说明：
+# 1. 复制此文件并重命名为 keystore.properties
+# 2. 修改下面的配置项为你的实际值
+# 3. 不要将 keystore.properties 提交到版本控制！
+#
+# 注意：密钥库文件(.jks)和此配置文件都应该保密，不要公开分享
+
+# 密钥库文件路径（相对于 app 目录或绝对路径）
+storeFile=../release-keystore.jks
+
+# 密钥库密码
+storePassword=your_keystore_password
+
+# 密钥别名
+keyAlias=suiyueshishu
+
+# 密钥密码
+keyPassword=your_key_password