diff --git a/config.py b/config.py
index b5fb6d6..908891a 100644
--- a/config.py
+++ b/config.py
@@ -13,6 +13,7 @@ def __init__(self):
 
         # manual
         self.ls_index = 1
+        self.enable_trie_filtering = [True, False][0] # 是否按照 domain_suffix 剔除重复的 domain
         self.ls_keyword = ["little-snitch", "adobe-blocklist"] # little snitch 链接关键字
         self.map_dict = {
             'DOMAIN-SUFFIX': 'domain_suffix', 'HOST-SUFFIX': 'domain_suffix', 'DOMAIN': 'domain', 'HOST': 'domain', 'host': 'domain',
diff --git a/main.py b/main.py
index 8868d70..12da0e6 100644
--- a/main.py
+++ b/main.py
@@ -13,7 +13,7 @@
 
 class RuleParser:
     def __init__(self):
-        self.ls_index = config.ls_index
+        self.ls_index = 1
 
     def parse_littlesnitch_file(self, link):
         """
@@ -163,7 +163,7 @@ def generate_json_file(self, links, output_file):
 
         return self.merge_json(json_file_list, output_file)
 
-    def merge_json(self, json_file_list, output_file, enable_trie_filtering=True):
+    def merge_json(self, json_file_list, output_file, enable_trie_filtering=config.enable_trie_filtering):
         """
         合并 JSON 文件并进行去重（第二轮 Trie 去重为可选）。