diff --git a/ota/h5/index-v6.html b/ota/h5/index-v6.html
new file mode 100644
index 0000000..77be939
--- /dev/null
+++ b/ota/h5/index-v6.html
@@ -0,0 +1,46 @@
+<!DOCTYPE html>
+<html><head><meta charset="utf-8"><meta name="viewport" content="width=device-width">
+<style>
+body{font-family:monospace;background:#0f172a;color:#e2e8f0;padding:16px;margin:0}
+h1{font-size:18px;color:#38bdf8}
+.btn{display:block;width:100%;padding:14px;margin:8px 0;border:none;border-radius:8px;font-size:16px;cursor:pointer}
+.btn-check{background:#1e40af;color:#fff}
+.btn-download{background:#15803d;color:#fff}
+.log{background:#1e293b;padding:12px;border-radius:8px;margin-top:12px;max-height:300px;overflow-y:auto;font-size:12px;white-space:pre-wrap}
+.info{color:#94a3b8;font-size:12px;margin:4px 0}
+.badge{display:inline-block;background:#15803d;color:#fff;padding:2px 8px;border-radius:4px;font-size:11px;margin-left:8px}
+</style></head><body>
+<h1>Yuzu GCA <span class="badge">HOT UPDATED</span></h1>
+<div class="info">version <span id="ver">0.1.0-dav-android-6</span></div>
+<button class="btn btn-check" onclick="checkUpdate()">检查更新</button>
+<button class="btn btn-download" onclick="applyUpdate()" id="btnApply" disabled>下载更新</button>
+<div class="log" id="log"></div>
+<script>
+var dlUrl='',dlVer='';
+function log(m){document.getElementById('log').innerText+=m+'\n'}
+function checkUpdate(){
+ log('正在检查...');
+ fetch('https://git.childish-ghost.com/LukeMackin/Yuzu-GCA/raw/branch/main/ota/version.txt')
+ .then(r=>{if(!r.ok)throw Error('网络错误');return r.text()})
+ .then(t=>{t=t.trim();log('远程: '+t);
+  var local=document.getElementById('ver').innerText;
+  if(t!==local){dlVer=t;dlUrl='https://git.childish-ghost.com/LukeMackin/Yuzu-GCA/raw/branch/main/ota/h5/index-v6.html';
+   log('🆕 有新版本!');document.getElementById('btnApply').disabled=false}
+  else log('✅ 已是最新')})
+ .catch(e=>log('❌ 失败: '+e.message))
+}
+function applyUpdate(){
+ log('下载中...');
+ fetch(dlUrl).then(r=>{if(!r.ok)throw Error('下载失败 '+r.status);return r.text()})
+ .then(t=>{localStorage.setItem('gca_html',t);localStorage.setItem('gca_ver',dlVer);
+  log('✅ 下载完成，正在刷新...');setTimeout(function(){location.reload()},500)})
+ .catch(e=>log('❌ 失败: '+e.message))
+}
+window.onload=function(){
+ var b=localStorage.getItem('gca_html'),v=localStorage.getItem('gca_ver');
+ if(b&&v){
+  document.getElementById('ver').innerText=v;
+  document.write(b);document.close()
+ }
+}
+</script></body></html>
diff --git a/ota/version.txt b/ota/version.txt
new file mode 100644
index 0000000..a402374
--- /dev/null
+++ b/ota/version.txt
@@ -0,0 +1 @@
+0.1.0-dav-android-6
\ No newline at end of file
diff --git a/packages/client-android/android/app/build.gradle b/packages/client-android/android/app/build.gradle
index 56c99ba..cfd261f 100644
--- a/packages/client-android/android/app/build.gradle
+++ b/packages/client-android/android/app/build.gradle
@@ -9,7 +9,7 @@ android {
         applicationId "dev.yuzu.gca"
         minSdk 24
         targetSdk 35
-        versionCode 8
+        versionCode 5
         versionName "0.1.0"
     }
 
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 33db4d8..9446123 100644
--- a/packages/client-android/android/app/src/main/assets/index.html
+++ b/packages/client-android/android/app/src/main/assets/index.html
@@ -12,7 +12,7 @@ max-height:300px;overflow-y:auto;font-size:12px;white-space:pre-wrap}
 .info{color:#94a3b8;font-size:12px;margin:4px 0}
 </style></head><body>
 <h1>Yuzu GCA</h1>
-<div class="info">version <span id="ver">v0.1.0-dav-android-8</span></div>
+<div class="info">version <span id="ver">v0.1.0-dav-android-5</span></div>
 <button class="btn btn-check" onclick="checkUpdate()">检查更新</button>
 <button class="btn btn-download" onclick="applyUpdate()" id="btnApply" disabled>下载更新</button>
 <div class="log" id="log"></div>
