diff --git a/build_db.py b/build_db.py
index aaa5e52..8329bf7 100644
--- a/build_db.py
+++ b/build_db.py
@@ -1,10 +1,13 @@
 from tjnetwork import *
 
 files = [
+    'bwsn',
     'exnet',
     'fengxian',
     'jbh',
-    'net3'
+    'nanjing',
+    'net3',
+    'zj',
     ]
 
 def inp2db():