diff --git a/.github/workflows/snapshot-on-push-master.yml b/.github/workflows/snapshot-on-push-master.yml
index dca886010..1e8e523e3 100644
--- a/.github/workflows/snapshot-on-push-master.yml
+++ b/.github/workflows/snapshot-on-push-master.yml
@@ -106,6 +106,8 @@ jobs:
 
       - name: Update the online documents.
         run: |
+          pwd
+          ls
           cd doc.git
           rm *.*
           cp ../html/*.* .