fix: Use loadPolicyArray instead of loadPolicyLine

Author: leeqvip

src/adapter/DatabaseAdapter.php

@@ -88,12 +88,9 @@ public function savePolicyLine($ptype, array $rule)
      */
     public function loadPolicy(Model $model): void
     {
-        $rows = $this->model->cache('tauthz')->select()->toArray();
+        $rows = $this->model->cache('tauthz')->field(['ptype', 'v0', 'v1', 'v2', 'v3', 'v4', 'v5'])->select()->toArray();
         foreach ($rows as $row) {
-            $line = implode(', ', array_filter(array_slice($row, 1), function ($val) {
-                return '' != $val && !is_null($val);
-            }));
-            $this->loadPolicyLine(trim($line), $model);
+            $this->loadPolicyArray($this->filterRule($row), $model);
         }
     }