add

main.py

@@ -106,8 +106,15 @@ for _ in range(run_count):
     # 获取成绩信息
     grade = get_grade(student_client, output_type="grade")
 
-    # 成绩不为空时
-    if grade and "获取成绩时出错" not in grade:
+    if not grade:
+        # 成绩为空时将成绩信息定义为"成绩为空"
+        integrated_grade_info = "成绩为空\n------"
+
+    elif "获取成绩时出错" in grade:
+        # 获取成绩时出错时将成绩信息定义为"获取成绩时出错"
+        integrated_grade_info = "获取成绩时出错\n------"
+
+    else:
         # 清空grade.txt文件内容
         with open(grade_file_path, "w") as grade_file:
             grade_file.truncate()
@@ -121,9 +128,6 @@ for _ in range(run_count):
         # 将加密后的成绩信息写入grade.txt文件
         with open(grade_file_path, "w") as grade_file:
             grade_file.write(encrypted_integrated_grade_info)
-    else:
-        # 成绩为空时将成绩信息定义为"成绩为空"
-        integrated_grade_info = "成绩为空\n------"
 
     # 加密保存成绩
     encrypted_integrated_grade_info = md5_encrypt(integrated_grade_info)