diff --git a/app/service/CategoryService.php b/app/service/CategoryService.php
index fec021f..9af0270 100644
--- a/app/service/CategoryService.php
+++ b/app/service/CategoryService.php
@@ -328,6 +328,7 @@ class CategoryService
         $Category = new Category();
         $prefix = env('database.prefix');
         $cateTable = $prefix . 'category';
+
         $res = Db::query("SHOW TABLE STATUS WHERE NAME = '$cateTable'");
         $maxId = $res[0]['Auto_increment'];
         $targetIds = range($maxId, $maxId + $cateCount - 1);
@@ -339,16 +340,22 @@ class CategoryService
             unset($val['update_time']);
             $val['website_id'] = $site;
             $val['category_map'] = $val['id'];
-            $val['lang_map'] = $map[$val['lang']];
+            $val['lang_map'] = $val['lang'];
             $val['lang'] = $lang;
             if ($val['parent_id'] != 0) {
                 $pathArr = explode('-', $val['path']);
                 $tmpPath = '';
                 array_pop($pathArr);
                 foreach ($pathArr as $path) {
+                    if (!isset($map[$path])) {
+                        throw new \Exception("栏目路径映射失败: 找不到源ID {$path} 的映射");
+                    }
                     $tmpPath .= $map[$path] . '-';
                 }
                 $val['path'] = $tmpPath;
+                if (!isset($map[$val['parent_id']])) {
+                    throw new \Exception("栏目父级映射失败: 找不到源ID {$val['parent_id']} 的映射");
+                }
                 $val['parent_id'] = $map[$val['parent_id']];
             }
             // 美化url