优化写法

app/AdminAgent/Actions/Tree/LoadSystemCategory.php

@@ -57,7 +57,9 @@ class LoadSystemCategory extends AbstractTool
 			$sys_pid = $system_pid[$cate['name']];
 			if ($sys_pid != 0) {
 				$sys_pid_name = $system_cate->find($sys_pid)['name'];
-				Category::where('id', $cate->id)->update(['pid' => $own_id[$sys_pid_name]]);
+
+				$cate->pid = $own_id[$sys_pid_name];
+				$cate->save();
 			}
 		}