Update CONTRIBUTING.zh-CN.md (#3352)

552847957 · web-flow · commit b90f08fb06e2 · 2025-04-25T14:29:03.000+08:00
diff --git a/CONTRIBUTING.zh-CN.md b/CONTRIBUTING.zh-CN.md
@@ -145,3 +145,4 @@ pnpm dev:vue2
 ```
 /examples/sites/src/data/contributorMap.js
 ```
+

-Original file line number
+Diff line change
 ```
 /examples/sites/src/data/contributorMap.js
 ```
++