diff --git a/app-android/app/build.gradle.kts b/app-android/app/build.gradle.kts
index 78b15a5..22eb6e6 100644
--- a/app-android/app/build.gradle.kts
+++ b/app-android/app/build.gradle.kts
@@ -151,6 +151,10 @@ dependencies {
     // DataStore
     implementation("androidx.datastore:datastore-preferences:1.0.0")
     
+    // Payment SDKs
+    implementation("com.tencent.mm.opensdk:wechat-sdk-android:6.8.28")  // 微信支付 SDK
+    implementation("com.alipay.sdk:alipaysdk-android:15.8.17")          // 支付宝 SDK
+    
     // Testing
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
diff --git a/app-android/app/src/main/AndroidManifest.xml b/app-android/app/src/main/AndroidManifest.xml
index 78a9b5b..4571a25 100644
--- a/app-android/app/src/main/AndroidManifest.xml
+++ b/app-android/app/src/main/AndroidManifest.xml
@@ -6,6 +6,11 @@
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.RECORD_AUDIO" />
 
+    <!-- 微信 SDK 需要查询微信是否已安装 -->
+    <queries>
+        <package android:name="com.tencent.mm" />
+    </queries>
+
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
@@ -28,6 +33,13 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+
+        <!-- 微信支付回调 Activity（路径和类名固定，微信 SDK 硬性要求） -->
+        <activity
+            android:name=".wxapi.WXPayEntryActivity"
+            android:exported="true"
+            android:launchMode="singleTop"
+            android:theme="@android:style/Theme.Translucent.NoTitleBar" />
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app-android/app/src/main/java/com/huaga/life_echo/config/AppConfig.kt b/app-android/app/src/main/java/com/huaga/life_echo/config/AppConfig.kt
index 65090b6..d4742a7 100644
--- a/app-android/app/src/main/java/com/huaga/life_echo/config/AppConfig.kt
+++ b/app-android/app/src/main/java/com/huaga/life_echo/config/AppConfig.kt
@@ -56,6 +56,15 @@ object AppConfig {
      */
     val WS_BASE_URL: String = if (isDebugMode) DEV_WS_URL else PROD_WS_URL
     
+    // ==================== 支付配置 ====================
+
+    /**
+     * 微信支付 APP_ID
+     * 需要在微信开放平台注册应用后获取
+     * TODO: 替换为实际的微信 APP_ID
+     */
+    const val WECHAT_APP_ID = ""
+
     // ==================== 说明 ====================
     // 
     // 注意：从 Android 9 (API 28) 开始，默认禁止明文HTTP流量
diff --git a/app-android/settings.gradle.kts b/app-android/settings.gradle.kts
index e3b8360..6f885d9 100644
--- a/app-android/settings.gradle.kts
+++ b/app-android/settings.gradle.kts
@@ -16,6 +16,8 @@ dependencyResolutionManagement {
     repositories {
         google()
         mavenCentral()
+        // 支付宝 SDK Maven 仓库
+        maven { url = uri("https://maven.alipay.com/nexus/content/repositories/releases/") }
     }
 }