add test solution and try to fix get id code bug

server/src/WebProtocol.cs

@@ -478,7 +478,7 @@ namespace WebProtocol
         {
             if (bytes[0] != (byte)PackSign.RecvResp)
                 throw new ArgumentException(
-                    "The sign of bytes is not RecvData Package!",
+                    "The sign of bytes is not RecvResp Package!",
                     nameof(bytes)
                 );
             return new RecvRespPackage(bytes[1], bytes[2]);