fix: resolve PHPStan static analysis warnings

app/Http/Middleware/TrimStrings.php

@@ -7,12 +7,13 @@ use Illuminate\Foundation\Http\Middleware\TrimStrings as Middleware;
 class TrimStrings extends Middleware
 {
     /**
-     * The names of the attributes that should not be trimmed.
-     *
-     * @var array
+     * 不需要去除前后空格的字段名
+     * @var array<int, string>
      */
     protected $except = [
         'password',
         'password_confirmation',
+        'encrypted_data',
+        'signature'
     ];
 }