Update build.md

docs(cn)：resolve conflict

Author: neal95

guide/build.md

@@ -55,7 +55,7 @@ module.exports = defineConfig({
 })
 ```
 
-This strategy is also provided as a `splitVendorChunk({ cache: SplitVendorChunkCache })` factory, in case composition with custom logic is needed. `cache.reset()` needs to be called at `buildStart` for build watch mode to work correctly in this case.
+同时这个策略也被作为`splitVendorChunk({ cache: SplitVendorChunkCache })`工厂，在需要使用自定义逻辑时可以进行组合。在这种情况下确保在`cache.reset()`在`buildStart`（构建）前调用，保证构建时监听模式能够正常工作。
 
 ## 文件变化时重新构建 {#rebuild-on-files-changs}