diff --git a/plans/PROXY_PC_EXEC.md b/plans/PROXY_PC_EXEC.md
index 1bca2fe..82c8978 100644
--- a/plans/PROXY_PC_EXEC.md
+++ b/plans/PROXY_PC_EXEC.md
@@ -50,6 +50,8 @@
 
 ### 环境变量注入
 - `AGENT_ID` = `proxy-for`
+- `PROXY_PCEXEC_EXECUTOR` = 调用方真实 `agent-id`
+- `PCEXEC_PROXIED` = `true`
 - 不应再把原始调用者的 `agent-id` 直接写入 `AGENT_ID`
 
 ## 设计目标