diff --git a/.travis.yml b/.travis.yml
index b87ea123..d1c4eafa 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,7 +22,7 @@ matrix:
         - bash ./install.sh
       script:
         # todo: use python unittest
-        - python -c "import vnpy.api.ctp.vnctp; import vnpy.api.oes.vnoes; exit(0);"
+        - mkdir run; cd run; python -c "import vnpy.api.ctp.vnctp; import vnpy.api.oes.vnoes; exit(0);"
 
 
     - name: "code quality analysis: flake8"