diff --git a/src/assets/items.json b/src/assets/items.json
index 4f9231b..41364e8 100644
--- a/src/assets/items.json
+++ b/src/assets/items.json
@@ -168,13 +168,6 @@
       "item_url": "https://limboy.me/posts/gong-type-of-talent",
       "time": "2026-01-11T00:00:00+00:00"
     },
-    {
-      "blog_id": "何同学",
-      "feed": "https://www.youtube.com/feeds/videos.xml?channel_id=UCP5Kd0smdWe9H_bDH-73c6Q",
-      "item_name": "我們做了一台魔法鋼琴...",
-      "item_url": "https://www.youtube.com/watch?v=bxm-Gt00-R4",
-      "time": "2026-01-10T16:07:28+00:00"
-    },
     {
       "blog_id": "Kevin Kelly",
       "feed": "https://feedpress.me/TheTechnium",
@@ -826,13 +819,6 @@
       "item_url": "https://nicholas.carlini.com/writing/2025/are-llms-worth-it.html",
       "time": "2025-11-19T00:00:00+00:00"
     },
-    {
-      "blog_id": "何同学",
-      "feed": "https://www.youtube.com/feeds/videos.xml?channel_id=UCP5Kd0smdWe9H_bDH-73c6Q",
-      "item_name": "為了幫粉絲放牛，我們做了這個...",
-      "item_url": "https://www.youtube.com/watch?v=h_NnHgmB530",
-      "time": "2025-11-18T15:28:08+00:00"
-    },
     {
       "blog_id": "Eric Migicovsky",
       "feed": "https://ericmigi.com/rss.xml",
@@ -959,13 +945,6 @@
       "item_url": "https://www.owenyoung.com/blog/books/justice/",
       "time": "2025-11-04T03:13:47+00:00"
     },
-    {
-      "blog_id": "何同学",
-      "feed": "https://www.youtube.com/feeds/videos.xml?channel_id=UCP5Kd0smdWe9H_bDH-73c6Q",
-      "item_name": "我們做了個漂移輪椅…",
-      "item_url": "https://www.youtube.com/shorts/I8gmrqJPPcU",
-      "time": "2025-11-03T15:00:37+00:00"
-    },
     {
       "blog_id": "Limboy",
       "feed": "https://feeds.yitianyigexiangfa.com/limboy.xml",
@@ -1057,13 +1036,6 @@
       "item_url": "https://limboy.me/posts/review-system",
       "time": "2025-10-17T00:00:00+00:00"
     },
-    {
-      "blog_id": "何同学",
-      "feed": "https://www.youtube.com/feeds/videos.xml?channel_id=UCP5Kd0smdWe9H_bDH-73c6Q",
-      "item_name": "在轉，但沒在轉？",
-      "item_url": "https://www.youtube.com/shorts/zywQICdbtZQ",
-      "time": "2025-10-16T10:15:51+00:00"
-    },
     {
       "blog_id": "Takuya Matsuyama",
       "feed": "https://feeds.yitianyigexiangfa.com/TakuyaMatsuyama.xml",
@@ -1232,13 +1204,6 @@
       "item_url": "https://collabfund.com/blog/back-to-school/",
       "time": "2025-09-17T21:52:00+00:00"
     },
-    {
-      "blog_id": "何同学",
-      "feed": "https://www.youtube.com/feeds/videos.xml?channel_id=UCP5Kd0smdWe9H_bDH-73c6Q",
-      "item_name": "最聽勸的一代，但是...iPhone 17 系列首發體驗",
-      "item_url": "https://www.youtube.com/watch?v=su9aqYLcAhw",
-      "time": "2025-09-17T12:33:42+00:00"
-    },
     {
       "blog_id": "Bernardo",
       "feed": "https://sidhion.com/rss.xml",
@@ -1330,13 +1295,6 @@
       "item_url": "https://embracethered.com/blog/posts/2025/agenthopper-a-poc-ai-virus/",
       "time": "2025-08-30T03:20:58+00:00"
     },
-    {
-      "blog_id": "何同学",
-      "feed": "https://www.youtube.com/feeds/videos.xml?channel_id=UCP5Kd0smdWe9H_bDH-73c6Q",
-      "item_name": "把星空放大 200 倍能看到什麼？",
-      "item_url": "https://www.youtube.com/shorts/A5r5wQXHx1I",
-      "time": "2025-08-29T15:00:31+00:00"
-    },
     {
       "blog_id": "wunderwuzzi",
       "feed": "https://embracethered.com/blog/index.xml",
@@ -1435,13 +1393,6 @@
       "item_url": "https://ishadeed.com/article/time-layout/",
       "time": "2025-08-12T00:00:00+00:00"
     },
-    {
-      "blog_id": "何同学",
-      "feed": "https://www.youtube.com/feeds/videos.xml?channel_id=UCP5Kd0smdWe9H_bDH-73c6Q",
-      "item_name": "【何同學】為了拍到最美的星雲，我們做了一個移動天文台",
-      "item_url": "https://www.youtube.com/watch?v=CYENwrdCZxI",
-      "time": "2025-08-08T10:00:24+00:00"
-    },
     {
       "blog_id": "xuanwo",
       "feed": "https://xuanwo.io/index.xml",
@@ -1456,13 +1407,6 @@
       "item_url": "https://www.pseudoyu.com/posts/weekly_review_100",
       "time": "2025-08-05T10:43:00+00:00"
     },
-    {
-      "blog_id": "何同学",
-      "feed": "https://www.youtube.com/feeds/videos.xml?channel_id=UCP5Kd0smdWe9H_bDH-73c6Q",
-      "item_name": "這不是特效，是3D打印",
-      "item_url": "https://www.youtube.com/shorts/yNe26VO8C3c",
-      "time": "2025-08-04T10:01:28+00:00"
-    },
     {
       "blog_id": "Nicholas Carlini",
       "feed": "https://nicholas.carlini.com/writing/feed.xml",
@@ -1484,13 +1428,6 @@
       "item_url": "https://nicholas.carlini.com/writing/2025/minihdl-python-hardware-description-dsl.html",
       "time": "2025-07-31T00:00:00+00:00"
     },
-    {
-      "blog_id": "何同学",
-      "feed": "https://www.youtube.com/feeds/videos.xml?channel_id=UCP5Kd0smdWe9H_bDH-73c6Q",
-      "item_name": "為了不用倒垃圾，我們做了這個...",
-      "item_url": "https://www.youtube.com/shorts/WkY-F2p6SQ8",
-      "time": "2025-07-29T10:00:53+00:00"
-    },
     {
       "blog_id": "Chang Luo",
       "feed": "https://www.luochang.ink/index.xml",
@@ -1498,13 +1435,6 @@
       "item_url": "https://luochang212.github.io/posts/chat_to_clickhouse/",
       "time": "2025-07-26T00:00:00+00:00"
     },
-    {
-      "blog_id": "何同学",
-      "feed": "https://www.youtube.com/feeds/videos.xml?channel_id=UCP5Kd0smdWe9H_bDH-73c6Q",
-      "item_name": "為了不用擦白板，我們做了這個...",
-      "item_url": "https://www.youtube.com/watch?v=gIfD6YtY0ts",
-      "time": "2025-07-25T09:01:13+00:00"
-    },
     {
       "blog_id": "xuanwo",
       "feed": "https://xuanwo.io/index.xml",