diff --git a/appveyor.yml b/appveyor.yml
index 61df6ea2..14f12227 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -27,6 +27,7 @@ build_script:
   - pip install .
 
 before_test:
+  - ps: echo psql -d "postgresql://$ENV:VNPY_TEST_POSTGRESQL_USER:$ENV:VNPY_TEST_POSTGRESQL_PASSWORD@localhost" -c "create database vnpy;"
   - ps: psql -d "postgresql://$ENV:VNPY_TEST_POSTGRESQL_USER:$ENV:VNPY_TEST_POSTGRESQL_PASSWORD@localhost" -c "create database vnpy;"
   - ps: . "C:\Program Files\MySQL\MySQL Server 5.7\bin\mysql" -u $ENV:VNPY_TEST_MYSQL_USER -e 'CREATE DATABASE vnpy;'