diff --git a/vnpy/api/ctp/generator/ctp_struct.py b/vnpy/api/ctp/generator/ctp_struct.py
index 486c652b..79120795 100644
--- a/vnpy/api/ctp/generator/ctp_struct.py
+++ b/vnpy/api/ctp/generator/ctp_struct.py
@@ -4906,4 +4906,3 @@ CThostFtdcDepartmentUserField = {
 CThostFtdcQueryFreqField = {
     "QueryFreq": "int",
 }
-