diff --git a/.gitignore b/.gitignore
index 1578c81..c43bfc5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,4 @@ android/.gradle/8.0.1/checksums/sha1-checksums.bin
 android/.idea/caches
 ios/build
 ios/Pods
+android/app/release
diff --git a/App.tsx b/App.tsx
index d7a83c2..3c87ab8 100644
--- a/App.tsx
+++ b/App.tsx
@@ -1,5 +1,5 @@
 import React, { Component } from "react";
-import { Alert, AppState, AppStateStatus, Modal, Switch, Text, TextInput, TouchableOpacity, View } from "react-native";
+import { Alert, AppState, AppStateStatus, Modal, Text, TextInput, TouchableOpacity, View } from "react-native";
 import DeviceInfo from 'react-native-device-info';
 import {
     PhonePeBusinessBind,
@@ -65,7 +65,6 @@ export default class App extends Component<AppProps, WalletmanAppState> {
             showServerSettings: false,
             settingsHost: '',
             settingsPort: '',
-            settingsHttps: true,
         };
 
         this.deviceId = DeviceInfo.getUniqueIdSync();
@@ -640,24 +639,41 @@ export default class App extends Component<AppProps, WalletmanAppState> {
         const colonIdx = domain.lastIndexOf(':');
         const host = colonIdx > 0 ? domain.substring(0, colonIdx) : domain;
         const port = colonIdx > 0 ? domain.substring(colonIdx + 1) : '';
-        this.setState({ showServerSettings: true, settingsHost: host, settingsPort: port, settingsHttps: getUseHttps() });
+        this.setState({ showServerSettings: true, settingsHost: host, settingsPort: port });
     };
 
     saveDomain = async () => {
-        const { settingsHost, settingsPort, settingsHttps } = this.state;
+        const { settingsHost, settingsPort } = this.state;
         const domain = settingsPort ? `${settingsHost}:${settingsPort}` : settingsHost;
-        await saveServerDomain(domain, settingsHttps);
+        const useHttps = settingsPort === '443';
+        await saveServerDomain(domain, useHttps);
         this.setState({ showServerSettings: false });
         Alert.alert('已保存', '重启 App 后生效');
     };
 
     renderServerSettingsModal() {
-        const { showServerSettings, settingsHost, settingsPort, settingsHttps } = this.state;
+        const { showServerSettings, settingsHost, settingsPort } = this.state;
+        const presets = [
+            { label: 'aa.pfgame.org', host: 'aa.pfgame.org', port: '443' },
+            { label: 'game.ainavx.com:16000', host: 'game.ainavx.com', port: '16000' },
+            { label: '192.168.1.117:16000', host: '192.168.1.117', port: '16000' },
+        ];
         return (
             <Modal visible={showServerSettings} transparent animationType="fade">
                 <View style={{ flex: 1, backgroundColor: 'rgba(0,0,0,0.5)', justifyContent: 'center', alignItems: 'center' }}>
                     <View style={{ backgroundColor: '#fff', borderRadius: 10, padding: 20, width: '85%' }}>
-                        <Text style={{ fontSize: 16, fontWeight: 'bold', marginBottom: 16 }}>服务器设置</Text>
+                        <Text style={{ fontSize: 16, fontWeight: 'bold', marginBottom: 12 }}>服务器设置</Text>
+                        <View style={{ flexDirection: 'row', flexWrap: 'wrap', gap: 6, marginBottom: 14 }}>
+                            {presets.map(p => (
+                                <TouchableOpacity
+                                    key={p.label}
+                                    onPress={() => this.setState({ settingsHost: p.host, settingsPort: p.port })}
+                                    style={{ paddingHorizontal: 10, paddingVertical: 5, borderRadius: 6, backgroundColor: settingsHost === p.host && settingsPort === p.port ? '#3498db' : '#f0f0f0' }}
+                                >
+                                    <Text style={{ fontSize: 12, color: settingsHost === p.host && settingsPort === p.port ? '#fff' : '#333' }}>{p.label}</Text>
+                                </TouchableOpacity>
+                            ))}
+                        </View>
                         <Text style={{ fontSize: 13, color: '#666', marginBottom: 4 }}>Host</Text>
                         <TextInput
                             style={{ borderWidth: 1, borderColor: '#ddd', borderRadius: 6, paddingHorizontal: 10, paddingVertical: 8, marginBottom: 12, fontSize: 14 }}
@@ -669,16 +685,12 @@ export default class App extends Component<AppProps, WalletmanAppState> {
                         />
                         <Text style={{ fontSize: 13, color: '#666', marginBottom: 4 }}>Port</Text>
                         <TextInput
-                            style={{ borderWidth: 1, borderColor: '#ddd', borderRadius: 6, paddingHorizontal: 10, paddingVertical: 8, marginBottom: 12, fontSize: 14 }}
+                            style={{ borderWidth: 1, borderColor: '#ddd', borderRadius: 6, paddingHorizontal: 10, paddingVertical: 8, marginBottom: 20, fontSize: 14 }}
                             value={settingsPort}
                             onChangeText={t => this.setState({ settingsPort: t })}
                             placeholder="16000"
                             keyboardType="number-pad"
                         />
-                        <View style={{ flexDirection: 'row', alignItems: 'center', justifyContent: 'space-between', marginBottom: 20 }}>
-                            <Text style={{ fontSize: 13, color: '#666' }}>使用 HTTPS / WSS</Text>
-                            <Switch value={settingsHttps} onValueChange={v => this.setState({ settingsHttps: v })} />
-                        </View>
                         <View style={{ flexDirection: 'row', justifyContent: 'flex-end' }}>
                             <TouchableOpacity onPress={() => this.setState({ showServerSettings: false })} style={{ paddingHorizontal: 16, paddingVertical: 8, marginRight: 10 }}>
                                 <Text style={{ color: '#666' }}>取消</Text>
diff --git a/android/keys/rnpay_release.jks b/android/keys/rnpay_release.jks
new file mode 100644
index 0000000..995836f
Binary files /dev/null and b/android/keys/rnpay_release.jks differ
diff --git a/servers/walletman b/servers/walletman
index cfd46bb..8b3e2b2 160000
--- a/servers/walletman
+++ b/servers/walletman
@@ -1 +1 @@
-Subproject commit cfd46bb59ce1bf39ecb4de9aca79a0919c8212d5
+Subproject commit 8b3e2b27852c1216fcce99d864e20db81caf8758
diff --git a/types.ts b/types.ts
index 300b922..f1afe27 100644
--- a/types.ts
+++ b/types.ts
@@ -31,5 +31,4 @@ export interface WalletmanAppState {
     showServerSettings: boolean;
     settingsHost: string;
     settingsPort: string;
-    settingsHttps: boolean;
 }