diff --git a/packages/client-android/android/app/src/main/assets/index.html b/packages/client-android/android/app/src/main/assets/index.html
index 114c4ee..48b81b3 100644
--- a/packages/client-android/android/app/src/main/assets/index.html
+++ b/packages/client-android/android/app/src/main/assets/index.html
@@ -23,11 +23,11 @@ function log(m){document.getElementById('log').innerText+=m+'\n'}
 
 function checkUpdate(){
  log('checking '+BASE+'/version.txt ...');
- fetch(BASE+'/version.txt',{cache:'no-store'})
+ fetch(BASE+'/version.txt?t='+Date.now(),{cache:'no-store'})
  .then(r=>{if(!r.ok)throw Error('HTTP '+r.status);return r.text()})
  .then(t=>{t=t.trim();log('remote: '+t);
   var local=document.getElementById('ver').innerText;
-  if(t!==local){dlVer=t;dlUrl=BASE+'/h5/index-v7.html';
+  if(t!==local&&t!=='v'+local&&'v'+t!==local){dlVer=t;dlUrl=BASE+'/h5/index-v7.html';
    log('*** NEW VERSION: '+dlVer+' ***');document.getElementById('btnApply').disabled=false}
   else log('up to date')})
  .catch(e=>log('ERR: '+e.message))