修改一个bug

webroot/AutoSa/AutoSa/views.py

@@ -170,8 +170,10 @@ def login(request):
     else:
         username = request.POST.get('username')
         password = request.POST.get('password')
-        user = User.objects.get(username=username)
-        if password == user.password:
+        user = User.objects.filter(username=username)
+        if user:
+            user = user[0]
+            if user and password == user.password:
                 request.session['username'] = username
                 if user.is_admin:
                     request.session['admin'] = 1
@@ -183,6 +185,9 @@ def login(request):
             else:
                 error = '密码错误，请重新输入。'
 
+        else:
+            error = '用户不存在。'
+
         return render_to_response('login.html', {'error': error})