Update main.yml

ZhaoQi99 · ZhaoQi99 · commit b6c7d188b2c9 · 2023-03-12T21:43:43.000+08:00
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -4,6 +4,7 @@
 name: Python package
 
 on:
+  workflow_dispatch:
   push:
     branches:
       - main
@@ -14,7 +15,7 @@ on:
 jobs:
   build:
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     strategy:
       fail-fast: false
       matrix:
