diff --git a/src/screens/message/ChatScreen.tsx b/src/screens/message/ChatScreen.tsx
index 20402a4..105335e 100644
--- a/src/screens/message/ChatScreen.tsx
+++ b/src/screens/message/ChatScreen.tsx
@@ -26,6 +26,7 @@ import {
   KeyboardAvoidingView,
   Platform,
   TouchableOpacity,
+  BackHandler,
 } from 'react-native';
 import { FlashList, ListRenderItem } from '@shopify/flash-list';
 import { MaterialCommunityIcons } from '@expo/vector-icons';
@@ -268,14 +269,44 @@ export const ChatScreen: React.FC<ChatScreenProps> = (props) => {
     });
   }, [displayMessages, flatListRef, setBrowsingHistory]);
 
-  // 监听返回事件，刷新会话列表
+  // 监听返回事件：面板/键盘打开时先关闭它们，否则刷新会话列表后返回
   useEffect(() => {
-    const unsubscribe = navigation.addListener('beforeRemove', () => {
-      // 刷新会话列表，确保已读状态正确显示
+    const unsubscribe = navigation.addListener('beforeRemove', (e) => {
+      const hasPanelOpen = activePanel !== 'none';
+      const hasKeyboardOpen = keyboardHeight > 0;
+      if (hasPanelOpen || hasKeyboardOpen) {
+        e.preventDefault();
+        if (hasKeyboardOpen) {
+          handleDismiss();
+        } else {
+          closePanel();
+        }
+        return;
+      }
+      // 真正返回时刷新会话列表
       messageManager.refreshConversations(true, 'chat-before-remove');
     });
     return unsubscribe;
-  }, [navigation]);
+  }, [navigation, activePanel, keyboardHeight, closePanel, handleDismiss]);
+
+  // Android 物理返回键：面板/键盘打开时先关闭它们
+  useEffect(() => {
+    const backHandler = BackHandler.addEventListener('hardwareBackPress', () => {
+      const hasPanelOpen = activePanel !== 'none';
+      const hasKeyboardOpen = keyboardHeight > 0;
+      if (hasPanelOpen || hasKeyboardOpen) {
+        if (hasKeyboardOpen) {
+          handleDismiss();
+        } else {
+          closePanel();
+        }
+        return true; // 阻止默认返回行为
+      }
+      return false;
+    });
+
+    return () => backHandler.remove();
+  }, [activePanel, keyboardHeight, closePanel, handleDismiss]);
 
   // 渲染消息气泡
   const messageIndexMap = useMemo(() => {