diff --git a/app/Login.py b/app/Login.py
index 0cbb1f1..c2a9175 100644
--- a/app/Login.py
+++ b/app/Login.py
@@ -1,7 +1,7 @@
 import hashlib
 import string
 from datetime import datetime, timedelta
-from model.user import get_user_by_username, insert_user, update_password_by_username
+
 def md5(s):
     '''
     MD5摘要
@@ -11,7 +11,7 @@ def md5(s):
     h = hashlib.md5(s.encode(encoding='utf-8'))
     return h.hexdigest()
 
-
+from app.model.user import get_user_by_username, insert_user, update_password_by_username
 
 path_prefix = '/var/www/wordfreq/wordfreq/'
 path_prefix = './'  # comment this line in deployment
@@ -22,7 +22,6 @@ def verify_pass(newpass,oldpass):
     '''
     if newpass==oldpass:
         return True
-    return False
 
 
 def verify_user(username, password):
diff --git a/app/UseSqlite.py b/app/UseSqlite.py
index 902d0a5..ea4baeb 100644
--- a/app/UseSqlite.py
+++ b/app/UseSqlite.py
@@ -13,7 +13,7 @@ class Sqlite3Template:
     def __init__(self, db_fname):
         self.db_fname = db_fname
 
-    def connect(self):
+    def connect(self, db_fname):
         self.conn = sqlite3.connect(self.db_fname)
 
     def instructions(self, query_statement):
diff --git a/app/pickle_idea.py b/app/pickle_idea.py
index 96f804b..7380102 100644
--- a/app/pickle_idea.py
+++ b/app/pickle_idea.py
@@ -38,8 +38,7 @@ def merge_frequency(lst1, lst2):
 
 def load_record(pickle_fname):
     with open(pickle_fname, 'rb') as f:
-        pickle.load(f)
-    f.close()
+        d=pickle.load(f)
     return d