优化

app/src/main/java/io/legado/app/ui/rss/read/ReadRssActivity.kt

@@ -96,9 +96,13 @@ class ReadRssActivity : VMBaseActivity<ActivityRssReadBinding, ReadRssViewModel>
                 binding.webView.reload()
             }
             R.id.menu_rss_star -> viewModel.favorite()
-            R.id.menu_share_it -> viewModel.rssArticle?.let {
+            R.id.menu_share_it -> {
+                binding.webView.url?.let {
+                    share(it)
+                } ?: viewModel.rssArticle?.let {
                     share(it.link)
                 } ?: toastOnUi(R.string.null_url)
+            }
             R.id.menu_aloud -> readAloud()
             R.id.menu_login -> startActivity<SourceLoginActivity> {
                 putExtra("type", "rssSource")