diff --git a/Makefile b/Makefile
index 4497d2e..aeebc39 100644
--- a/Makefile
+++ b/Makefile
@@ -82,3 +82,19 @@ sign: release
 	@echo "🔏 Signing..."
 	codesign --force --deep --sign - $(APP_BUNDLE)
 	@echo "✅ Signed (ad-hoc)"
+
+# ============================================================
+# DMG (分发)
+# ============================================================
+DMG_NAME := $(APP_NAME)-$(shell date +%Y%m%d).dmg
+DMG_TMP  := $(BUILD_DIR)/dmg_temp
+
+dmg: sign
+	@echo "💿 Creating DMG..."
+	@rm -rf $(DMG_TMP) $(DMG_NAME)
+	@mkdir -p $(DMG_TMP)
+	@cp -R $(APP_BUNDLE) $(DMG_TMP)/
+	@ln -s /Applications $(DMG_TMP)/Applications
+	@hdiutil create -volname "$(APP_NAME)" -srcfolder $(DMG_TMP) -ov -format UDZO "$(DMG_NAME)" > /dev/null 2>&1
+	@rm -rf $(DMG_TMP)
+	@echo "✅ DMG created: $(DMG_NAME)"
diff --git a/Sources/App/AppDelegate.swift b/Sources/App/AppDelegate.swift
index d223bfc..bdd84c0 100644
--- a/Sources/App/AppDelegate.swift
+++ b/Sources/App/AppDelegate.swift
@@ -70,9 +70,13 @@ final class AppDelegate: NSObject, NSApplicationDelegate {
                 self.recordingPanel.updateText(text)
             }
 
-            speechRecognizer.onError = { [weak self] error in
+            speechRecognizer.onError = { error in
+                let nsError = error as NSError
+                // kAFAssistantErrorDomain code 1110 = 未检测到语音，属正常情况，不报错
+                if nsError.domain == "kAFAssistantErrorDomain" && nsError.code == 1110 {
+                    return
+                }
                 print("[App] Speech error: \(error)")
-                self?.recordingPanel.updateText("Error: \(error.localizedDescription)")
             }
 
             speechRecognizer.onStateChange = { [weak self] isActive in
diff --git a/Sources/Resources/AppIcon.icns b/Sources/Resources/AppIcon.icns
new file mode 100644
index 0000000..3f847c4
Binary files /dev/null and b/Sources/Resources/AppIcon.icns differ
diff --git a/VoiceInput-20260424.dmg b/VoiceInput-20260424.dmg
new file mode 100644
index 0000000..15d1816
Binary files /dev/null and b/VoiceInput-20260424.dmg differ
diff --git a/scripts/create_app_bundle.sh b/scripts/create_app_bundle.sh
index 00ebf08..657e0ba 100755
--- a/scripts/create_app_bundle.sh
+++ b/scripts/create_app_bundle.sh
@@ -24,8 +24,14 @@ mkdir -p "$RESOURCES_DIR"
 cp "$EXEC_SRC" "$MACOS_DIR/VoiceInput"
 chmod +x "$MACOS_DIR/VoiceInput"
 
-# 复制 Info.plist
+# 复制 Info.plist 和图标
 cp "$PROJECT_DIR/Sources/Resources/Info.plist" "$CONTENTS_DIR/Info.plist"
+if [ -f "$PROJECT_DIR/Sources/Resources/AppIcon.icns" ]; then
+    cp "$PROJECT_DIR/Sources/Resources/AppIcon.icns" "$RESOURCES_DIR/AppIcon.icns"
+fi
+
+# 更新 Info.plist 引用图标
+/usr/libexec/PlistBuddy -c "Add :CFBundleIconFile string AppIcon" "$CONTENTS_DIR/Info.plist" 2>/dev/null || true
 
 # 创建 PkgInfo
 echo -n 'APPL????' > "$CONTENTS_DIR/PkgInfo"