diff --git a/backend/main.py b/backend/main.py
index b521877..f70e706 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -682,7 +682,7 @@ def revoke_business(user_id: int, body: dict = None, user=Depends(require_role("
     conn = get_db()
     conn.execute("UPDATE users SET business_verified = 0 WHERE id = ?", (user_id,))
     reason = (body or {}).get("reason", "").strip()
-    target = conn.execute("SELECT role FROM users WHERE id = ?", (user_id,)).fetchone()
+    target = conn.execute("SELECT role, display_name, username FROM users WHERE id = ?", (user_id,)).fetchone()
     if target:
         msg = "你的商业用户资格已被取消。"
         if reason: