diff --git a/docs/content.zh/docs/deployment/elastic_scaling.md b/docs/content.zh/docs/deployment/elastic_scaling.md
index 2c630ec80630f7..5be4bf64c4fa4c 100644
--- a/docs/content.zh/docs/deployment/elastic_scaling.md
+++ b/docs/content.zh/docs/deployment/elastic_scaling.md
@@ -178,6 +178,7 @@ Adaptive Batch Scheduler 只会为用户未指定并行度的算子（并行度
 - 配置 `parallelism.default: -1`
 - 对于 SQL 作业，需要配置 `table.exec.resource.default-parallelism: -1`
 - 对于 DataStream/DataSet 作业，不要在作业中通过算子的 `setParallelism()` 方法来指定并行度
+- 对于 DataStream/DataSet 作业，不要在作业中通过 `StreamExecutionEnvironment/ExecutionEnvironment` 的 `setParallelism()` 方法来指定并行度
 
 ### 性能调优
 
diff --git a/docs/content/docs/deployment/elastic_scaling.md b/docs/content/docs/deployment/elastic_scaling.md
index f99b6e93955ec3..bf06ecbeb1a2a3 100644
--- a/docs/content/docs/deployment/elastic_scaling.md
+++ b/docs/content/docs/deployment/elastic_scaling.md
@@ -180,6 +180,7 @@ Adaptive Batch Scheduler will only decide parallelism for operators whose parall
 - Set `parallelism.default: -1`
 - Set `table.exec.resource.default-parallelism: -1` in SQL jobs.
 - Don't call `setParallelism()` for operators in DataStream/DataSet jobs.
+- Don't call `setParallelism()` on `StreamExecutionEnvironment/ExecutionEnvironment` in DataStream/DataSet jobs.
 
 ### Performance tuning