update:触发搜刮器后更新jellyfin元素

src/main/java/com/yutou/nas/utils/HttpTools.java

@@ -64,6 +64,9 @@ public class HttpTools {
                     connection.addRequestProperty(key, headers.get(key));
                 }
             }
+            if(body==null){
+                body="".getBytes();
+            }
             connection.setDoOutput(true);
             connection.setDoInput(true);
             connection.addRequestProperty("User-Agent", getUa());