diff --git a/science_article_cnki/science_article_cnki/models/cnki_model.py b/science_article_cnki/science_article_cnki/models/cnki_model.py
index 2b1ee44..96077b2 100644
--- a/science_article_cnki/science_article_cnki/models/cnki_model.py
+++ b/science_article_cnki/science_article_cnki/models/cnki_model.py
@@ -338,6 +338,7 @@ def add_limit_2query_body(limit_query: Union[List[dict], dict], body_key: str, q
         # 相同的Key类型只能有一个，如果同类型有多个条件，需要追加到Items[]内，还不能重复
         child_items = group["ChildItems"]
         if group["Key"] == body_key:
+            extended = False
             if not child_items:
                 # 直接添加进去
                 if isinstance(limit_query, dict):
@@ -346,6 +347,7 @@ def add_limit_2query_body(limit_query: Union[List[dict], dict], body_key: str, q
                     group["ChildItems"].extend(limit_query)
                 else:
                     raise ValueError("不支持的limit类型 \n%s" % limit_query)
+                extended = True
                 break
             for child_item in child_items:
                 # 对child_item['Items']的值进行过滤，只添加不重复的
@@ -362,9 +364,16 @@ def add_limit_2query_body(limit_query: Union[List[dict], dict], body_key: str, q
                     for limit_query_item in limit_query['Items']:
                         # 如果新的条件已存在，跳过
                         if child_item_map.get(limit_query_item['Field'], {}).get(limit_query_item["Key"]):
+                            # 重复也相当于追加过
+                            extended = True
                             continue
                         else:
                             child_item['Items'].append(limit_query_item)
+                            extended = True
+            if not extended:
+                child_items.append(limit_query)
+                break
+
             break