update

Author: Vincent Li

.github/workflows/ci_test.yml

@@ -1,10 +1,16 @@
 name: CI
 
 on:
-  push:
-    branches: ["main"]
   pull_request:
     branches: ["main"]
+    types: [opened, reopened]   # 只在 PR 创建/重新打开时自动跑
+  workflow_dispatch:            # 支持在 Actions 页手动重跑
+    inputs:
+      ref:
+        description: "Branch or tag to run CI on"
+        required: false
+        default: "main"
+        type: string
 
 jobs:
   ci: