diff --git a/main.py b/main.py
index f4cb322..85d2e1f 100644
--- a/main.py
+++ b/main.py
@@ -98,7 +98,7 @@ def get_video_duration(video_url):
         return None
 
 
-def process_video(course_id, item_id):
+def process_video(course_id, item_id, current_index=0, total_items=0):
     """
     处理单个视频：
     1. 获取视频页，提取 config URL
@@ -106,6 +106,8 @@ def process_video(course_id, item_id):
     3. 循环发送心跳包，直到视频看完
     """
     print(f"\n>>> 开始处理视频: CourseId={course_id}, ItemId={item_id}")
+    if total_items > 0:
+        print(f"    当前进度: 第 {current_index} 集 / 共 {total_items} 集")
 
     # 1. 请求视频播放页
     video_page_url = f"https://zjbc.cjnep.net/lms/web/course/view?id={course_id}&itemid={item_id}"
@@ -145,6 +147,10 @@ def process_video(course_id, item_id):
         total_time_str = root.findtext("totalTime")
         history_id = root.findtext("historyId")
         finish_status = root.findtext("finish")
+        sco_title = root.findtext("scoTitle")
+
+        if sco_title:
+            print(f"    [课程名称] {sco_title}")
 
         # 尝试获取视频 URL
         video_url = None
@@ -373,29 +379,71 @@ if not course_data:
 
     # 这里为了演示，我把之前的抓取逻辑简单复原一下：
     course_ids = []
+    # 尝试读取课程ID缓存
     if os.path.exists(cache_file) and os.path.getsize(cache_file) > 0:
-        with open(cache_file, "r", encoding="utf-8") as f:
-            course_ids = json.load(f)
+        print(f"正在读取课程ID缓存: {cache_file}")
+        try:
+            with open(cache_file, "r", encoding="utf-8") as f:
+                course_ids = json.load(f)
+        except Exception as e:
+            print(f"[Warning] 读取课程ID缓存失败: {e}")
 
+    # 如果没有缓存，从网络获取
     if not course_ids:
-        resp = requests.get(url, headers=headers)
-        course_ids = re.findall(
-            r"window\.location\s*=\s*['\"]/lms/web/course/detail\?id=(\d+)['\"]", resp.text)
-        with open(cache_file, "w", encoding="utf-8") as f:
-            json.dump(course_ids, f, indent=2)
+        print("正在从服务器获取课程列表...")
+        try:
+            resp = requests.get(url, headers=headers)
+            resp.raise_for_status()
+            # 正则匹配课程ID
+            course_ids = re.findall(
+                r"window\.location\s*=\s*['\"]/lms/web/course/detail\?id=(\d+)['\"]", resp.text)
 
-    for cid in course_ids:
-        detail_url = f"https://zjbc.cjnep.net/lms/web/course/detail?id={cid}"
-        resp = requests.get(detail_url, headers=headers)
-        item_ids = re.findall(r'[?&]itemid=(\d+)', resp.text)
-        seen = set()
-        unique_item_ids = [x for x in item_ids if not (
-            x in seen or seen.add(x))]
-        course_data.append({"courseId": cid, "itemIds": unique_item_ids})
-        time.sleep(1)
+            if course_ids:
+                print(f"成功获取到 {len(course_ids)} 门课程。")
+                with open(cache_file, "w", encoding="utf-8") as f:
+                    json.dump(course_ids, f, indent=2)
+            else:
+                print("[Error] 未能获取到任何课程ID，请检查Cookie是否失效或页面结构变更。")
+        except Exception as e:
+            print(f"[Error] 获取课程列表请求失败: {e}")
 
-    with open(items_cache_file, "w", encoding="utf-8") as f:
-        json.dump(course_data, f, indent=2)
+    # 遍历课程获取视频Item ID
+    if course_ids:
+        print(f"开始获取每门课程的视频列表 (共 {len(course_ids)} 门)...")
+        for index, cid in enumerate(course_ids):
+            print(f"[{index+1}/{len(course_ids)}] 正在解析课程 ID: {cid} ...",
+                  end="", flush=True)
+
+            try:
+                detail_url = f"https://zjbc.cjnep.net/lms/web/course/detail?id={cid}"
+                resp = requests.get(detail_url, headers=headers)
+                resp.raise_for_status()
+
+                # 提取 itemid
+                item_ids = re.findall(r'[?&]itemid=(\d+)', resp.text)
+
+                # 去重
+                seen = set()
+                unique_item_ids = [x for x in item_ids if not (
+                    x in seen or seen.add(x))]
+
+                course_data.append(
+                    {"courseId": cid, "itemIds": unique_item_ids})
+                print(f" 发现 {len(unique_item_ids)} 个视频")
+
+            except Exception as e:
+                print(f"\n    [Error] 获取课程 {cid} 详情失败: {e}")
+
+            # 避免请求过快
+            time.sleep(1)
+
+        # 保存最终结果
+        print(f"正在保存课程数据到 {items_cache_file} ...")
+        with open(items_cache_file, "w", encoding="utf-8") as f:
+            json.dump(course_data, f, indent=2)
+        print("课程数据抓取完成。")
+    else:
+        print("没有课程ID，跳过视频抓取步骤。")
 
 
 # 3. 开始刷课
@@ -406,8 +454,9 @@ for course in course_data:
     items = course['itemIds']
     print(f"\n=== 正在处理课程 {cid}，共 {len(items)} 个视频 ===")
 
-    for item_id in items:
-        process_video(cid, item_id)
+    for idx, item_id in enumerate(items):
+        process_video(cid, item_id, current_index=idx +
+                      1, total_items=len(items))
         # 视频之间休息一下
         time.sleep(2)