diff --git a/app/diario-bordo.html b/app/diario-bordo.html
index abe1dd6..384b412 100644
--- a/app/diario-bordo.html
+++ b/app/diario-bordo.html
@@ -6079,7 +6079,13 @@ async function bmsProbeWebBluetooth(deviceId,deviceName){
       if(!notifyChar&&(p.notify||p.indicate))notifyChar=c;
       if(!writeChar&&(p.write||p.writeWithoutResponse))writeChar=c;
     }
-    if(!notifyChar||!writeChar){setBleDiag('Sem chars notify+write','err');return false}
+    if(!notifyChar){setBleDiag('Sem char notify','err');return false}
+    if(!writeChar){
+      // Workaround: BMS chinês declara ff02 só [read] mas aceita writes (firmware permissivo).
+      // Força usar primeira char não-notify e tenta writeValue mesmo assim.
+      writeChar=chars.find(c=>c.uuid.toLowerCase()!==notifyChar.uuid.toLowerCase())||chars[0];
+      setBleDiag(`⚠ Sem property write · forçando ${writeChar.uuid.slice(4,8)}`,'warn');
+    }
     setBleDiag(`Notify=${notifyChar.uuid.slice(4,8)} Write=${writeChar.uuid.slice(4,8)}`,'ok');
     notifyChar.addEventListener('characteristicvaluechanged',(ev)=>{
       const dv=ev.target.value;
@@ -6440,7 +6446,7 @@ async function removeBluetoothDevice(id){
   renderBluetoothCard();
 }
 
-const APP_VERSION='1.10.13';
+const APP_VERSION='1.10.14';
 function renderBluetoothCard(){
   const el=document.getElementById('bt-list');
   const supportEl=document.getElementById('bt-support');
diff --git a/server/public/index.html b/server/public/index.html
index abe1dd6..384b412 100644
--- a/server/public/index.html
+++ b/server/public/index.html
@@ -6079,7 +6079,13 @@ async function bmsProbeWebBluetooth(deviceId,deviceName){
       if(!notifyChar&&(p.notify||p.indicate))notifyChar=c;
       if(!writeChar&&(p.write||p.writeWithoutResponse))writeChar=c;
     }
-    if(!notifyChar||!writeChar){setBleDiag('Sem chars notify+write','err');return false}
+    if(!notifyChar){setBleDiag('Sem char notify','err');return false}
+    if(!writeChar){
+      // Workaround: BMS chinês declara ff02 só [read] mas aceita writes (firmware permissivo).
+      // Força usar primeira char não-notify e tenta writeValue mesmo assim.
+      writeChar=chars.find(c=>c.uuid.toLowerCase()!==notifyChar.uuid.toLowerCase())||chars[0];
+      setBleDiag(`⚠ Sem property write · forçando ${writeChar.uuid.slice(4,8)}`,'warn');
+    }
     setBleDiag(`Notify=${notifyChar.uuid.slice(4,8)} Write=${writeChar.uuid.slice(4,8)}`,'ok');
     notifyChar.addEventListener('characteristicvaluechanged',(ev)=>{
       const dv=ev.target.value;
@@ -6440,7 +6446,7 @@ async function removeBluetoothDevice(id){
   renderBluetoothCard();
 }
 
-const APP_VERSION='1.10.13';
+const APP_VERSION='1.10.14';
 function renderBluetoothCard(){
   const el=document.getElementById('bt-list');
   const supportEl=document.getElementById('bt-support');
diff --git a/server/public/sw.js b/server/public/sw.js
index da916c4..cbab32c 100644
--- a/server/public/sw.js
+++ b/server/public/sw.js
@@ -1,7 +1,7 @@
 // Shivao Service Worker — offline real
 // Estratégia: shell precachado, tiles cache-first, windy network-first, /api passa direto.
 // Versão usada nos cache names — bumpa essa string pra invalidar caches antigos em deploys.
-const VERSION = 'shivao-v1.10.13';
+const VERSION = 'shivao-v1.10.14';
 const SHELL_CACHE = `shivao-shell-${VERSION}`;
 const TILES_CACHE = 'shivao-tiles-v1'; // separado pra não invalidar tiles em update do shell
 const WINDY_CACHE = `shivao-windy-${VERSION}`;