diff --git a/.appveyor.yml b/.appveyor.yml
index b4907f348f5b662a40b5d4f08ac701feab6abe41..fe4816688b43276a4a9ca7b911b39a43b8fc2141 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -19,11 +19,12 @@ build_script:
   - cd build
   - cmake -G "NMake Makefiles" ..
   - nmake install
-  
+
 notifications:
 - provider: Email
   to:
   - sangshuduo@gmail.com
+  
   on_build_success: true
   on_build_failure: true
   on_build_status_changed: true