diff --git a/lifelog-recorder/app/src/main/AndroidManifest.xml b/lifelog-recorder/app/src/main/AndroidManifest.xml
index 909d2f0..8f8dbae 100644
--- a/lifelog-recorder/app/src/main/AndroidManifest.xml
+++ b/lifelog-recorder/app/src/main/AndroidManifest.xml
@@ -22,6 +22,8 @@
     <application
         android:name=".LifelogApp"
         android:label="Lifelog"
+        android:icon="@mipmap/ic_launcher"
+        android:roundIcon="@mipmap/ic_launcher_round"
         android:allowBackup="false"
         android:supportsRtl="true"
         android:networkSecurityConfig="@xml/network_security_config"
diff --git a/lifelog-recorder/app/src/main/res/drawable/ic_launcher_background.xml b/lifelog-recorder/app/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000..05afead
--- /dev/null
+++ b/lifelog-recorder/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <gradient
+        android:startColor="#1A0A3C"
+        android:centerColor="#3D1580"
+        android:endColor="#7C3AED"
+        android:type="linear"
+        android:angle="135"/>
+</shape>
diff --git a/lifelog-recorder/app/src/main/res/drawable/ic_launcher_foreground.xml b/lifelog-recorder/app/src/main/res/drawable/ic_launcher_foreground.xml
new file mode 100644
index 0000000..4f42005
--- /dev/null
+++ b/lifelog-recorder/app/src/main/res/drawable/ic_launcher_foreground.xml
@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Adaptive icon foreground: 108×108dp, safe zone center 72×72dp (坐标 18–90).
+     设计：白色麦克风（胶囊体 + 弧形支架 + 底座）+ 右上角红色录制圆点。 -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+
+    <!-- 麦克风胶囊体 -->
+    <path
+        android:pathData="M54,28 C47.4,28 42,33.4 42,40 L42,60 C42,66.6 47.4,72 54,72 C60.6,72 66,66.6 66,60 L66,40 C66,33.4 60.6,28 54,28Z"
+        android:fillColor="#FFFFFF"/>
+
+    <!-- 胶囊体内部纹路（3条横线，代表声波/录音） -->
+    <path
+        android:pathData="M48,44 L60,44"
+        android:strokeColor="#7C3AED"
+        android:strokeWidth="2.5"
+        android:strokeLineCap="round"
+        android:fillColor="#00000000"/>
+    <path
+        android:pathData="M47,50 L61,50"
+        android:strokeColor="#7C3AED"
+        android:strokeWidth="2.5"
+        android:strokeLineCap="round"
+        android:fillColor="#00000000"/>
+    <path
+        android:pathData="M48,56 L60,56"
+        android:strokeColor="#7C3AED"
+        android:strokeWidth="2.5"
+        android:strokeLineCap="round"
+        android:fillColor="#00000000"/>
+
+    <!-- 弧形支架 -->
+    <path
+        android:pathData="M36,60 C36,74.4 44.3,84 54,84 C63.7,84 72,74.4 72,60"
+        android:strokeColor="#FFFFFF"
+        android:strokeWidth="4.5"
+        android:strokeLineCap="round"
+        android:fillColor="#00000000"/>
+
+    <!-- 竖茎 -->
+    <path
+        android:pathData="M54,84 L54,92"
+        android:strokeColor="#FFFFFF"
+        android:strokeWidth="4.5"
+        android:strokeLineCap="round"
+        android:fillColor="#00000000"/>
+
+    <!-- 底座横线 -->
+    <path
+        android:pathData="M44,92 L64,92"
+        android:strokeColor="#FFFFFF"
+        android:strokeWidth="4.5"
+        android:strokeLineCap="round"
+        android:fillColor="#00000000"/>
+
+    <!-- 录制状态红点（右上角） -->
+    <path
+        android:pathData="M72,22 m-8,0 a8,8 0 1,0 16,0 a8,8 0 1,0 -16,0"
+        android:fillColor="#FF3B30"/>
+
+    <!-- 红点高光（让圆点更立体） -->
+    <path
+        android:pathData="M70,18 m-3,0 a3,3 0 1,0 6,0 a3,3 0 1,0 -6,0"
+        android:fillColor="#FF8080"
+        android:fillAlpha="0.5"/>
+
+</vector>
diff --git a/lifelog-recorder/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/lifelog-recorder/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..d378acd
--- /dev/null
+++ b/lifelog-recorder/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/lifelog-recorder/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/lifelog-recorder/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 0000000..d378acd
--- /dev/null
+++ b/lifelog-recorder/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>