diff --git a/.github/workflows/convert.yml b/.github/workflows/convert.yml
index b4072d6..f1ef081 100644
--- a/.github/workflows/convert.yml
+++ b/.github/workflows/convert.yml
@@ -2,7 +2,7 @@ name: qd to pdf
 
 on:
   push:
-    branches: [master]
+    branches: [m]
 
 permissions:
   contents: write