diff --git a/.idea/mercury.iml b/.idea/mercury.iml
index 24643cc..6deb029 100644
--- a/.idea/mercury.iml
+++ b/.idea/mercury.iml
@@ -5,6 +5,7 @@
       <excludeFolder url="file://$MODULE_DIR$/.tmp" />
       <excludeFolder url="file://$MODULE_DIR$/temp" />
       <excludeFolder url="file://$MODULE_DIR$/tmp" />
+      <excludeFolder url="file://$MODULE_DIR$/.astro" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />