diff --git a/NO2/index.py b/NO2/index.py
new file mode 100644
index 0000000000000000000000000000000000000000..071673543d0446c882105e0f777101a08ea4996b
--- /dev/null
+++ b/NO2/index.py
@@ -0,0 +1,66 @@
+import requests
+import time
+
+global total
+
+
+# 请求函数
+def request_get(url, ret_type="text", timeout=5, encoding="utf-8", host="bbs-api.mihoyo.com"):
+    headers = {
+        "User-Agent": "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36",
+        "Origin": "https://bbs.mihoyo.com",
+        "Referer": "https://bbs.mihoyo.com/",
+        "Host": host
+    }
+    res = requests.get(url=url, headers=headers, timeout=timeout)
+    res.encoding = encoding
+    if ret_type == "text":
+        return res.text
+
+    elif ret_type == "image":
+        return res.content
+
+    elif ret_type == "json":
+        return res.json()
+
+
+# 保存图片
+def save_image(image_src):
+    content = request_get(image_src, "image", host="upload-bbs.mihoyo.com")
+    with open(f"{str(time.time())}.jpg", "wb") as f:
+        f.write(content)
+        global total
+        total += 1
+        print(f"保存第{total}张图片")
+
+
+# 抓取内页数据
+def detail(post_id):
+    url = f"https://bbs-api.mihoyo.com/post/wapi/getPostFull?gids=5&post_id={post_id}&read=1"
+    res_json = request_get(url, ret_type="json", timeout=5)
+    if res_json["retcode"] == 0:
+        image_list = res_json["data"]["post"]["image_list"]
+        for img in image_list:
+            img_url = img["url"]
+            if (img_url.find("weigui")) < 0:
+                save_image(img_url)
+
+
+# 抓取函数
+def main(last_id):
+    # 起始页面
+    url = f"https://bbs-api.mihoyo.com/post/wapi/getForumPostList?forum_id=47&gids=5&is_good=false&last_id={last_id}&is_hot=false&page_size=20&sort_type=2"
+    res_json = request_get(url, ret_type="json", timeout=5)
+    if res_json["retcode"] == 0:
+        for item in res_json["data"]["list"]:
+            # 抓取内页数据
+            detail(item["post"]["post_id"])
+
+    if res_json["data"]["last_id"] != "":
+        return main(res_json["data"]["last_id"])
+
+
+if __name__ == '__main__':
+    global total
+    total = 0
+    main(6356513)