diff --git a/factory/ad.py b/factory/ad.py
index e909110..2e6d13f 100644
--- a/factory/ad.py
+++ b/factory/ad.py
@@ -20,7 +20,7 @@ rules_url = [
     # 乘风 广告过滤规则
     'https://raw.githubusercontent.com/xinggsf/Adblock-Plus-Rule/master/rule.txt',
     # Peter Lowe 广告和隐私跟踪域名
-    # 'https://pgl.yoyo.org/adservers/serverlist.php?hostformat=adblockplus;showintro=0',
+    'https://pgl.yoyo.org/adservers/serverlist.php?hostformat=adblockplus;showintro=0',
 ]
 
 rule = ''
diff --git a/factory/build_confs.py b/factory/build_confs.py
index 044f6ff..4257eed 100644
--- a/factory/build_confs.py
+++ b/factory/build_confs.py
@@ -37,7 +37,7 @@ def getRulesStringFromFile(path, kind):
                 prefix = 'IP-CIDR'
                 if '/' not in content:
                     content += '/32'
-            elif '.' not in content:
+            elif '.' not in content and len(content) > 1:
                 prefix = 'DOMAIN-KEYWORD'
 
             ret += prefix + ',%s,%s\n' % (content, kind)