diff --git a/extend/base/admin/service/adminInitData/SystemConfig.php b/extend/base/admin/service/adminInitData/SystemConfig.php
index c4ea854..244e723 100644
--- a/extend/base/admin/service/adminInitData/SystemConfig.php
+++ b/extend/base/admin/service/adminInitData/SystemConfig.php
@@ -262,6 +262,34 @@ $ul_system_config = array(
         "value" => "http://admin.demo.ulthon.com",
         "remark" => "",
         "sort" => 0,
+    ),
+    array(
+        "name" => "raw_retention_days",
+        "group" => "nginx_log",
+        "value" => "7",
+        "remark" => "原始日志保留天数（0=永久）",
+        "sort" => 0,
+    ),
+    array(
+        "name" => "stat_retention_days",
+        "group" => "nginx_log",
+        "value" => "365",
+        "remark" => "统计聚合保留天数（0=永久）",
+        "sort" => 0,
+    ),
+    array(
+        "name" => "topn_default",
+        "group" => "nginx_log",
+        "value" => "10",
+        "remark" => "Top N 默认值（热门 URL/Referer/UA）",
+        "sort" => 0,
+    ),
+    array(
+        "name" => "exclude_static",
+        "group" => "nginx_log",
+        "value" => "1",
+        "remark" => "是否排除静态资源访问（0=不排除,1=排除 /css/.js/.png 等扩展名）",
+        "sort" => 0,
     )
 );
 return $ul_system_config;