diff --git a/Bookworm-OneClick-Mac.sh b/Bookworm-OneClick-Mac.sh
index 06edcce..6a55d13 100644
--- a/Bookworm-OneClick-Mac.sh
+++ b/Bookworm-OneClick-Mac.sh
@@ -239,16 +239,29 @@ $k=$v"
       success "凭证已缓存至今日 23:59 (下次免密)" || true
   }
 
+  # 解密工具: 优先 node crypto-helper.js (BWENC1 格式), 回退 openssl
+  CRYPTO_HELPER="$BOOT_DIR/crypto-helper.js"
+  _do_decrypt() {
+    local pass="$1" enc="$2"
+    if command -v node &>/dev/null && [ -f "$CRYPTO_HELPER" ]; then
+      node "$CRYPTO_HELPER" decrypt "$pass" "$enc" 2>/dev/null
+    elif [ -n "$OPENSSL_CMD" ]; then
+      $OPENSSL_CMD enc -aes-256-cbc -d -pbkdf2 -iter 600000 -in "$enc" -pass pass:"$pass" 2>/dev/null
+    else
+      return 1
+    fi
+  }
+
   # 解密凭证 (先查缓存)
   SECRETS_ENC="$BOOT_DIR/secrets.enc"
   if _kc_load 2>/dev/null; then
     : # 缓存命中
-  elif [ -f "$SECRETS_ENC" ] && [ -n "$OPENSSL_CMD" ]; then
+  elif [ -f "$SECRETS_ENC" ]; then
     echo ""
     for attempt in 1 2 3; do
       read -rs -p "  输入主密码解密凭证 (第 $attempt/3 次): " PASSWORD
       echo ""
-      DECRYPTED=$($OPENSSL_CMD enc -aes-256-cbc -d -pbkdf2 -iter 600000 -in "$SECRETS_ENC" -pass pass:"$PASSWORD" 2>/dev/null) || true
+      DECRYPTED=$(_do_decrypt "$PASSWORD" "$SECRETS_ENC") || true
       PASSWORD=""
       if [ -n "$DECRYPTED" ]; then
         while IFS= read -r line; do
diff --git a/Bookworm-Setup.sh b/Bookworm-Setup.sh
index 58a735a..15c347e 100644
--- a/Bookworm-Setup.sh
+++ b/Bookworm-Setup.sh
@@ -261,16 +261,29 @@ $k=$v"
     warn "Keychain 缓存失败 (不影响使用)"
 }
 
+# 解密工具: 优先 node crypto-helper.js (BWENC1 格式), 回退 openssl
+CRYPTO_HELPER="$BOOT_DIR/crypto-helper.js"
+_decrypt_secrets() {
+  local pass="$1" enc="$2"
+  if command -v node &>/dev/null && [ -f "$CRYPTO_HELPER" ]; then
+    node "$CRYPTO_HELPER" decrypt "$pass" "$enc" 2>/dev/null
+  elif [ -n "$OPENSSL_CMD" ]; then
+    $OPENSSL_CMD enc -aes-256-cbc -d -pbkdf2 -iter 600000 -in "$enc" -pass pass:"$pass" 2>/dev/null
+  else
+    return 1
+  fi
+}
+
 # 先尝试缓存
 if load_cached_secrets 2>/dev/null; then
   : # 缓存加载成功
-elif [ -f "$SECRETS_ENC" ] && [ -n "$OPENSSL_CMD" ]; then
+elif [ -f "$SECRETS_ENC" ]; then
   DECRYPTED=""
   for attempt in 1 2 3; do
     echo ""
     read -rs -p "  输入主密码解密凭证 (第 $attempt/3 次): " PASSWORD
     echo ""
-    DECRYPTED=$($OPENSSL_CMD enc -aes-256-cbc -d -pbkdf2 -iter 600000 -in "$SECRETS_ENC" -pass pass:"$PASSWORD" 2>/dev/null) || true
+    DECRYPTED=$(_decrypt_secrets "$PASSWORD" "$SECRETS_ENC") || true
     PASSWORD=""
     if [ -n "$DECRYPTED" ]; then
       while IFS= read -r line; do
diff --git a/auto-setup.ps1 b/auto-setup.ps1
index d71b255..6256448 100644
--- a/auto-setup.ps1
+++ b/auto-setup.ps1
@@ -531,7 +531,12 @@ if (Get-CachedSecrets) {
     $secretsDecrypted = $true
 }
 # 再解密
-elseif ((Test-Path $SecretsEnc) -and $opensslCmd) {
+$cryptoHelper = Join-Path $ScriptDir "crypto-helper.js"
+$useNode = (Test-Cmd "node") -and (Test-Path $cryptoHelper)
+if (-not $useNode -and -not $opensslCmd) {
+    Log-Fail "无解密工具 (需要 Node.js 或 OpenSSL)"
+}
+elseif (Test-Path $SecretsEnc) {
     for ($attempt = 1; $attempt -le 3; $attempt++) {
         $password = Show-PasswordDialog "输入主密码解密凭证`n(非 Gitea 密码, 区分大小写)" $attempt 3
         if (-not $password) {
@@ -540,10 +545,18 @@ elseif ((Test-Path $SecretsEnc) -and $opensslCmd) {
         }
 
         try {
-            $decrypted = & $opensslCmd enc -aes-256-cbc -d -pbkdf2 -iter 600000 -in $SecretsEnc -pass "pass:$password" 2>$null
+            if ($useNode) {
+                # Node.js crypto-helper (BWENC1 格式, 跨平台一致)
+                $decrypted = & node $cryptoHelper decrypt $password $SecretsEnc 2>&1
+                $decExit = $LASTEXITCODE
+            } else {
+                # OpenSSL 回退 (仅支持 Salted__ 格式)
+                $decrypted = & $opensslCmd enc -aes-256-cbc -d -pbkdf2 -iter 600000 -in $SecretsEnc -pass "pass:$password" 2>$null
+                $decExit = $LASTEXITCODE
+            }
             $password = $null  # 立即清零
 
-            if ($decrypted) {
+            if ($decExit -eq 0 -and $decrypted -and $decrypted -notmatch 'WRONG_PASSWORD|WRONG_FORMAT|bad decrypt|bad magic') {
                 $count = 0
                 foreach ($line in $decrypted -split "`n") {
                     $line = $line.Trim()