RocMarshal commented on a change in pull request #18491:
URL: https://github.com/apache/flink/pull/18491#discussion_r812832221
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File path: docs/content.zh/docs/dev/datastream/execution_mode.md
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@@ -201,11 +201,11 @@ Checkpointing 用于故障恢复的特点之一是，在发生故障时，Flink
`批`模式下的行为变化：
-* “滚动"操作，如 [reduce()]({{< ref "docs/dev/datastream/operators/overview"
>}}#reduce) 或 [sum()]({{< ref "docs/dev/datastream/operators/overview"
>}}#aggregations)，会对`流`模式下每一条新记录发出增量更新。在`批`模式下，这些操作不是"滚动”。它们只发出最终结果。
+* “滚动"操作，如 [reduce()]({{< ref "docs/dev/datastream/operators/overview"
>}}#reduce) 或 sum()，会对`流`模式下每一条新记录发出增量更新。在`批`模式下，这些操作不是"滚动”。它们只发出最终结果。
Review comment:
Glad to get your review . @wuchong
There isn't any aggregate function section title in the
docs/dev/datastream/operators/overview page, but we could make it mapping to
the page
[flink/docs/content.zh/docs/dev/datastream/operators/windows.md](https://nightlies.apache.org/flink/flink-docs-master/docs/dev/datastream/operators/windows/#aggregatefunction')
.
Please let me know what's your opinion.
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