diff --git a/.github/workflows/genJar.yml b/.github/workflows/genJar.yml
index b8557343..9a6c274d 100644
--- a/.github/workflows/genJar.yml
+++ b/.github/workflows/genJar.yml
@@ -3,6 +3,7 @@ name: Spider Jar Gen CI
 on:
   push:
     branches: [ "multiThread" ]
+  workflow_dispatch:
 
 jobs:
   build: