diff --git a/db/database_manager.py b/db/database_manager.py
index 003ee31..fb146c0 100644
--- a/db/database_manager.py
+++ b/db/database_manager.py
@@ -71,10 +71,10 @@ class DatabaseManager:
         result = self.fetch(sql)
         return result
 
-    def get_current_teacher_courses(self, phone_number):
+    def get_current_teacher_courses(self, number):
         # 根据电话号码查询user_id
         user_sql = "SELECT user_id FROM user WHERE number = %s"
-        user_result = self.fetch(user_sql, (phone_number,))
+        user_result = self.fetch(user_sql, (number,))
 
         if user_result:
             user_id = user_result[0]['user_id']