🎨 改善 workflow 格式

.github/workflows/check.yml

-# This is a basic workflow to help you get started with Actions
+name: 检查 JSON 格式
 
-name: Check JSON Format
-
-# Controls when the action will run. 
 on:
-  # Triggers the workflow on push or pull request events but only for the main branch
   push:
-    branches: [ main ]
+    branches: main
   pull_request:
-    branches: [ main ]
+    branches: main
 
-  # Allows you to run this workflow manually from the Actions tab
-  workflow_dispatch:
+  workflow_dispatch:  # 手动执行
 
-# A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
-  # This workflow contains a single job called "build"
-  build:
-    # The type of runner that the job will run on
+  check-json:
     runs-on: ubuntu-latest
 
-    # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
+      - name: Checkout Actions
+        uses: actions/checkout@v2
+
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+            python-version: "pypy-3.7". # Faster
 
-      - uses: actions/setup-python@v2
-      
-      - run: |
-          cat data.json | python -m json.tool | tee data.json
-      
+      - name: Check JSON
+        run: cat data.json | python -m json.tool | tee data.json