diff --git a/nc_http/core/fe_sucks.py b/nc_http/tools/fe_sucks.py
similarity index 100%
rename from nc_http/core/fe_sucks.py
rename to nc_http/tools/fe_sucks.py
diff --git a/nc_http/core/helpers.py b/nc_http/tools/helpers.py
similarity index 99%
rename from nc_http/core/helpers.py
rename to nc_http/tools/helpers.py
index c14b24b..aaff9bd 100644
--- a/nc_http/core/helpers.py
+++ b/nc_http/tools/helpers.py
@@ -4,6 +4,10 @@ import string
 
 from six.moves.urllib import parse as urlparse
 
+"""
+工具函数集
+"""
+
 
 def valid_email(email):
     """