diff --git a/USER.md b/USER.md
index a148fef..2c7752f 100644
--- a/USER.md
+++ b/USER.md
@@ -6,6 +6,7 @@ _Learn about the person you're helping. Update this as you go._
 - **What to call them:** 王院长
 - **Pronouns:** 他/他
 - **Timezone:** Asia/Shanghai (UTC+8)
+- **Birthday:** 1984 年 5 月 16 日 23:00-24:00 (子时)
 - **Notes:** 项目决策者和负责人
 
 ## Context