fix-修复http超时影响其他线程bug

SlnMesnac.WCS/Global/HttpHelper.cs

@@ -6,7 +6,7 @@ namespace SlnMesnac.WCS.Global
     {
         public static string SendPostMessage(string ip, int port, string url, string message, string contentType = "application/Text")
         {
-            string retsult = HttpPost("http://" + ip + ":" + port + "/" + url, message, contentType, 30, null);
+            string retsult = HttpPost("http://" + ip + ":" + port + "/" + url, message, contentType, 4, null);
             return retsult;
         }