diff --git a/.idea/claudeCodeTabState.xml b/.idea/claudeCodeTabState.xml
index 14424ed..faec8fa 100644
--- a/.idea/claudeCodeTabState.xml
+++ b/.idea/claudeCodeTabState.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ClaudeCodeTabState">
-    <option name="tabCount" value="3" />
+    <option name="tabCount" value="4" />
   </component>
 </project>
\ No newline at end of file
diff --git a/miniprogram/lefu/service.ts b/miniprogram/lefu/service.ts
index 4d73db0..0689abf 100644
--- a/miniprogram/lefu/service.ts
+++ b/miniprogram/lefu/service.ts
@@ -83,6 +83,7 @@ class LeFuService {
     private readonly _maxReconnect = 3
     private _reconnectTimer: number | null = null
     private _keepAliveTimer: number | null = null
+    private _lastRawDevice: RawDevice | null = null
 
     private _onDevicesListCb: ((devices: ScannedDevice[]) => void) | null = null
     private _onConnectStateCb: ((state: string) => void) | null = null
@@ -181,6 +182,7 @@ class LeFuService {
 
         plugin.bus.subscribe('deviceWillDisconnect', () => {
             console.warn(TAG, 'bus[deviceWillDisconnect]，intentionalConnect:', this._intentionalConnect)
+            this._activeProtocol = null
             this._stopKeepAlive()
             this._onDisconnectedCb?.()
             if (!this._intentionalConnect) {
@@ -191,6 +193,7 @@ class LeFuService {
 
     connect(rawDevice: RawDevice): void {
         console.log(TAG, 'connect():', rawDevice.name)
+        this._lastRawDevice = rawDevice
         this._intentionalConnect = true
         this._stopKeepAlive()
         this._stopReconnectTimer()
@@ -331,15 +334,19 @@ class LeFuService {
     private _doReconnect(): void {
         if (this._reconnectCount >= this._maxReconnect) {
             console.warn(TAG, '重连次数已达上限')
+            this._onDisconnectedCb?.()
+            return
+        }
+        if (!this._lastRawDevice) {
+            console.warn(TAG, '无缓存设备，放弃重连')
             return
         }
         this._reconnectCount++
         console.log(TAG, `_doReconnect 第 ${this._reconnectCount} 次`)
         this._stopReconnectTimer()
         this._reconnectTimer = setTimeout(() => {
-            plugin.Blue.disconnect((res: any) => {
-                if (res?.errCode === 0) plugin.Blue.startBluetoothDevicesDiscovery()
-            })
+            plugin.Blue.clearProtocol()
+            plugin.Blue.createBLEConnection(this._lastRawDevice!)
         }, 2000)
     }
 
diff --git a/miniprogram/pages/equipmentMember/equipmentMember.ts b/miniprogram/pages/equipmentMember/equipmentMember.ts
index c86d488..7c13627 100644
--- a/miniprogram/pages/equipmentMember/equipmentMember.ts
+++ b/miniprogram/pages/equipmentMember/equipmentMember.ts
@@ -130,6 +130,12 @@ Page({
         memberList: [] as MemberDisplay[],
     },
 
+    // 当前子页 addMember 未注册任何 SDK 回调，不会覆盖本页回调槽位，故无需 onShow 兜底。
+    // 若未来子页新增 onDeviceConnect / onDisconnected 注册，需启用以下 onShow 同步连接状态。
+    // onShow() {
+    //     this.setData({ connected: lefuService.isConnected })
+    // },
+
     onLoad() {
         const deviceInfo = lefuService.deviceInfo
         this.setData({
diff --git a/project.private.config.json b/project.private.config.json
index 357d19c..f907d6c 100644
--- a/project.private.config.json
+++ b/project.private.config.json
@@ -1,5 +1,5 @@
 {
-	"libVersion": "2.32.3",
+	"libVersion": "3.15.2",
 	"projectname": "bodyWeight",
 	"setting": {
 		"urlCheck": false,
@@ -14,7 +14,7 @@
 		"useLanDebug": false,
 		"showES6CompileOption": false,
 		"compileHotReLoad": true,
-		"bigPackageSizeSupport": false,
+		"bigPackageSizeSupport": true,
 		"checkInvalidKey": true,
 		"ignoreDevUnusedFiles": true
 	}