diff --git a/main.py b/main.py
index 640cc0c..e2d7835 100644
--- a/main.py
+++ b/main.py
@@ -247,7 +247,9 @@ else:
             # 输出响应内容
             run_log += f"{response_text}"
         else:
+            last_submission_time = get_grade(student_client, output_type="last_submission_time")
             run_log += "成绩未更新"
+            run_log += f"最近一次更新时间：{last_submission_time}"
 
 # 更新info.txt
 if run_count == 2:
diff --git a/scripts/get_grade.py b/scripts/get_grade.py
index 228458b..fdbbd9a 100644
--- a/scripts/get_grade.py
+++ b/scripts/get_grade.py
@@ -96,6 +96,9 @@ def get_grade(student_client, output_type="none"):
                     f"------"
                 )
 
+            last_submission_time = sorted_grade[0]["submission_time"]
+            print(last_submission_time)
+
             if output_type == "grade":
                 return grade
             elif output_type == "gpa":
@@ -104,6 +107,8 @@ def get_grade(student_client, output_type="none"):
                 return percentage_gpa
             elif output_type == "integrated_grade_info":
                 return integrated_grade_info
+            elif output_type == "last_submission_time":
+                return last_submission_time
             else:
                 return "获取成绩：参数缺失"