diff --git a/HTS_daily.py b/HTS_daily.py
index 8df808f..462db1d 100644
--- a/HTS_daily.py
+++ b/HTS_daily.py
@@ -64,7 +64,7 @@ class HTS_DAILY (HTS):
         valid_company = set()
         conn = sqlite3.connect(os.path.join(self.RESOURCE_PATH, "stock.db"))
         cursor = conn.cursor()
-        cursor.execute('select CODE, NAME, max(ymd) as ymd from fnguide where type != "E" group by 1 order by total_assets desc limit 2400')
+        cursor.execute('select CODE, NAME, max(ymd) as ymd from (select * from fnguide where type != "E" and total_assets >= 0 order by total_assets DESC) group by 1 order by total_assets desc')
         items = cursor.fetchall()
         cursor.close()
         conn.close()