diff --git a/profiler/advisor/README.md b/profiler/advisor/README.md
index 3918109bd55e10bd125b01a9a5331021bf8d9f6f..ebe1f12a70e6adfe0d8537210cf6f5184bc30c1f 100644
--- a/profiler/advisor/README.md
+++ b/profiler/advisor/README.md
@@ -81,7 +81,7 @@ msprof-analyze advisor命令行包含如下三个参数：
 | dimension  | mode                                  | 参数释义                             |
 | ---------- |---------------------------------------| ------------------------------------ |
 | overall    | overall summary                       | 计算、通信、空闲等维度对性能数据进行拆解 |
-|            | environment_variable_analysis | 环境变量设置推荐             |
+|            | environment_variable_analysis | 环境变量设置推荐（该功能不支持分析db格式性能数据文件，即采集性能数据时配置export_type为db） |
 | cluster    | slow rank                             | 慢卡识别                             |
 |            | slow link                             | 慢链路识别                           |
 | computing  | AICPU operator                    | AI CPU调优                           |