fix oauth client secret

app/Models/OauthClient.php

@@ -2,10 +2,17 @@
 
 namespace App\Models;
 
+use Illuminate\Support\Str;
 use Laravel\Passport\Client;
 
 class OauthClient extends Client
 {
+    protected static function booted(): void
+    {
+        static::creating(function (OauthClient $model) {
+            $model->secret = Str::random(40);
+        });
+    }
     public function skipsAuthorization(): bool
     {
         return (bool)$this->skips_authorization;