Update image-build.yml

.github/workflows/image-build.yml

@@ -1,11 +1,14 @@
 name: Build and Push Docker Image
 
 on:
-  push:
-    branches:
-      - master
   schedule:
-    - cron: '0 0 * * *' # 每天的 0 点执行
+    - cron: '0 18 * * 0,2,4,6'
+  workflow_dispatch:
+    inputs:
+      clean_cache:
+        description: 'Clear caches'
+        required: false
+        type: boolean
 
 jobs:
   build:
@@ -23,7 +26,6 @@ jobs:
         run : |
           sh copy.sh
 
-
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2