加入服务器的配置设置，可以设置服务器的url+port

services/api.ts

@@ -1,12 +1,30 @@
 import { WalletType } from 'rnwalletman';
+import AsyncStorage from '@react-native-async-storage/async-storage';
 
-const DOMAIN = '192.168.1.117:16000';
-const BASE_URL = `http://${DOMAIN}`;
-const WS_URL = `ws://${DOMAIN}/ws`;
+const DEFAULT_DOMAIN = '192.168.1.198:16000';
+const STORAGE_KEY = 'server_domain';
+
+let _domain = DEFAULT_DOMAIN;
+
+export async function loadServerDomain(): Promise<string> {
+    const saved = await AsyncStorage.getItem(STORAGE_KEY);
+    if (saved) _domain = saved;
+    return _domain;
+}
+
+export async function saveServerDomain(domain: string): Promise<void> {
+    _domain = domain;
+    await AsyncStorage.setItem(STORAGE_KEY, domain);
+}
+
+export function getServerDomain(): string {
+    return _domain;
+}
 
 class Api {
-    public static readonly BASE_URL = BASE_URL;
-    public static readonly WS_URL = WS_URL;
+    public static get BASE_URL() { return `http://${_domain}`; }
+    public static get WS_URL() { return `ws://${_domain}/ws`; }
+
     private static _instance: Api | null = null;
     private userId: number = 0;