fix：youtube视频发布日期处理

pc_youtube.py

@@ -41,6 +41,12 @@ def reptile(browser=None, search_word=""):
             url = f'https://www.youtube.com/watch?v={id}'
             base_urr = get_base_file_url()
             log.debug(url)
+            releaseTime = ""
+            try:
+                releaseTime = str(convert_string_to_time(element_time_list[index].text))
+            except:
+                releaseTime = str(time.time())
+            # 下载视频
             state_download = yt_dlp_download(url, 'youtube')
             file_http_src = f'{base_urr}youtube/{id}.mp4'
             if state_download:
@@ -53,7 +59,7 @@ def reptile(browser=None, search_word=""):
                     "reptileTime": str(int(time.time())),
                     "type": '视频',
                     "author": element_author_list[index].text,
-                    "releaseTime": str(convert_string_to_time(element_time_list[index].text))
+                    "releaseTime": releaseTime
                 }
                 data.append(obj)
             else: