我是 React Native 的初學者，在我的項目中，我在按下按鈕用戶名和身份驗證狀態后沒有初始化我的變量，但在第二次按下后我的狀態初始化并顯示數據可以幫助我解決這個問題。謝謝const DataFeatch = async () => {await Authentication_Creator();let SearchData = {  "user_name": await UserName,  "user_authentication": await User_Authentication,};    try {  let response = await fetch('fechURL, {    method: 'POST',    headers: {      'Content-Type': 'application/json',    },    body: JSON.stringify(SearchData),  });  let json = await response.json();  if (json == 'no result') {    something  } else {    SetDataSource(json);  }}catch{ ERRoR}}我的 Authentication_Creator 是  const Authentication_Creator = async () => {var RNFS = require('react-native-fs');var path = RNFS.DocumentDirectoryPath + 'path';var data = await RNFS.readFile(path, 'utf8');var mydata = await JSON.parse(data);let hash = data;hash = md5(hash);SetUserName(() => mydata.UserName);SetUser_Authentication(() => hash);}