feat: 优化代码

app/src/main/java/io/legado/app/data/entities/RssSource.kt

@@ -102,15 +102,13 @@ data class RssSource(
 
     fun sortUrls(): LinkedHashMap<String, String> {
         val sortMap = linkedMapOf<String, String>()
-        val sortUrl = sortUrl
-        if (sortUrl.isNullOrEmpty()) {
+        sortUrl?.split("(&&|\n)+".toRegex())?.forEach { c ->
+            val d = c.split("::")
+            if (d.size > 1)
+                sortMap[d[0]] = d[1]
+        }
+        if (sortMap.isEmpty()) {
             sortMap[""] = sourceUrl
-        } else {
-            sortUrl.split("(&&|\n)+".toRegex()).forEach { c ->
-                val d = c.split("::")
-                if (d.size > 1)
-                    sortMap[d[0]] = d[1]
-            }
         }
         return sortMap
     }

app/src/main/java/io/legado/app/model/Debug.kt

@@ -54,7 +54,8 @@ object Debug {
         cancelDebug()
         debugSource = rssSource.sourceUrl
         log(debugSource, "︾开始解析")
-        Rss.getArticles(rssSource, null)
+        val sort = rssSource.sortUrls().entries.first()
+        Rss.getArticles(sort.key, sort.value, rssSource, null)
             .onSuccess {
                 if (it.articles.isEmpty()) {
                     log(debugSource, "⇒列表页解析成功，为空")