更新 iptv.json

iptv.json

@@ -37,6 +37,10 @@
     {
       "name": "山东电信1",
       "url": "https://git.lishichen.cn/mirror/sumingyd-Telecom-Shandong-IPTV-List/raw/branch/main/Telecom-Shandong.m3u"
+    },
+    {
+      "name": "山东电信2",
+      "url": "https://git.lishichen.cn/sync/tv/raw/branch/main/sddx-multicast.txt"
     }
   ]
 }