artist考虑极少数正则匹配内容不存在问题

netease_music/sql/statistic.sql

@@ -66,7 +66,7 @@ GROUP BY s
 ORDER BY s DESC
 
 -- 查看需要爬取的 artist 的分布
-SELECT cast( format( id / 1000000, 0) * 1000000 as UNSIGNED ) as s, count(*) as count
+SELECT cast( format( id / 100000, 0) * 100000 as UNSIGNED ) as s, count(*) as count
 FROM wait_fetch_artist
 GROUP BY s
 ORDER BY s DESC

netease_music/src/getInfo/artistInfoUtils.js

@@ -74,9 +74,20 @@ async function fetch({ artistId, debug = false }) {
     }
 
     // 正则匹配
+    let artistInfoDict;
     let regExResult = /\<script type\=\"application\/ld\+json\"\>([\S\s]*?)\<\/script\>/.exec(html);
-    let artistInfoJSONString = regExResult[1];
-    let artistInfoDict = JSON.parse(artistInfoJSONString);
+    if (regExResult) {
+        let artistInfoJSONString = regExResult[1];
+        artistInfoDict = JSON.parse(artistInfoJSONString);
+    } else {
+        // 极少数artist没有 <script type="application/ld+json">......</script> 这块内容
+        // 例如：29488473，29717445。这些artist都没有标题，所以下面这三项就直接保留空字符串
+        artistInfoDict = {
+            "title": "",
+            "description": "",
+            "pubDate": ""
+        }
+    }
     // console.log(artistInfoDict);
 
     let image = /<meta property="og:image" content="http:\/\/p.\.music\.126\.net\/(.*?)" \/>/.exec(html)[1];