如何分析设计的congested是否有风险？

补充一下，使用的工具是encounter，如何才能找到place之后的相关congest报告

You can try it...
SYNTAX
congRepair
DESCRIPTION
Relieves the congestion of the design. This command performs incremental placement based on trialRoute or NRGR congestion results and improves the congestion hot spotsbyspreadingoutthecells.Itismostlyusedafter placeDesign, but sometimes it can be used after pre CTS optimization as well. Since this command tends to move many cells around, it should not be run after post CTS optimization.