diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index bcae6ff..fd17040 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,15 +13,14 @@ jobs:
       uses: subosito/flutter-action@main
     - name: Build
       run: |
-        $length = 128
-        $characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'.ToCharArray()
-        $randomString = -join ((1..$length) | ForEach-Object { $characters | Get-Random })
+        # $length = 128
+        # $characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'.ToCharArray()
+        # $randomString = -join ((1..$length) | ForEach-Object { $characters | Get-Random })
+        $randomString = "TaYaKi71751"
 
         $cert = New-SelfSignedCertificate -Type CodeSigning -Subject "CN=TaYaKi71751" -CertStoreLocation "Cert:\CurrentUser\My"
         $password = ConvertTo-SecureString -String "$randomString" -Force -AsPlainText
         Export-PfxCertificate -Cert $cert -FilePath "key.pfx" -Password $password
-        openssl pkcs12 -in key.pfx -clcerts -nokeys -out key.cer -passin pass:$randomString
-
 
         flutter build windows
         flutter pub run msix:create --certificate-path key.pfx --certificate-password $randomString --install-certificate false