修复一下8300json解析的问题

src/JT808.Protocol.Test/MessageBody/JT808_0x0200Test.cs

@@ -312,9 +312,9 @@ namespace JT808.Protocol.Test.MessageBody
         [Fact]
         public void Test5_3()
         {
-            byte[] bytes = "7e0100402d01003000067906ff000000003730393639455632350000000000000000000000000000000030303030363739090000000000000000cf7e".ToHexBytes();
+            byte[] bytes = "7E0102400C01003000068109024A3130303330303030363831857E".ToHexBytes();
             var jT808Package = JT808Serializer.Deserialize<JT808Package>(bytes,JT808Version.JTT2013Force);
-            jT808Package.Header.ProtocolVersion = 0;//修改成 2013协议标识
+            jT808Package.Header.MessageBodyProperty.VersionFlag = false;//修改成 2013协议标识
             var newBytes = JT808Serializer.Serialize(jT808Package);//重新序列化
             var jt808PackageNew = JT808Serializer.Deserialize(newBytes);//验证是否修改标识符成功
         }

src/JT808.Protocol/MessageBody/JT808_0x8300.cs

@@ -90,25 +90,35 @@ namespace JT808.Protocol.MessageBody
                 writer.WriteString($"[bit4]{textFlagBits[4]}", "-");
                 writer.WriteString($"[bit3]{textFlagBits[3]}", "终端TTS播读");
                 writer.WriteString($"[bit2]{textFlagBits[2]}", "终端显示器显示");
-                var bit0And1= textFlagBits.Slice(0, 2).ToString();
+                var bit0And1= textFlagBits.Slice(0, 2).ToString().Reverse();
                 switch (bit0And1)
                 {
                     case "01":
-                        writer.WriteString($"[bit0]{textFlagBits[0]}", "服务");
+                        writer.WriteString($"[bit0~1]{textFlagBits[0]}", "服务");
                         break;
                     case "10":
-                        writer.WriteString($"[bit0]{textFlagBits[0]}", "紧急");
+                        writer.WriteString($"[bit0~1]{textFlagBits[0]}", "紧急");
                         break;
                     case "11":
-                        writer.WriteString($"[bit0]{textFlagBits[0]}", "通知");
+                        writer.WriteString($"[bit0~1]{textFlagBits[0]}", "通知");
                         break;
                     case "00":
-                        writer.WriteString($"[bit0]{textFlagBits[0]}", "保留");
+                        writer.WriteString($"[bit0~1]{textFlagBits[0]}", "保留");
                         break;
                 }
                 writer.WriteEndObject();
                 value.TextType = reader.ReadByte();
-                writer.WriteNumber($"[{ value.TextType.ReadNumber()}]文本类型-{(value.TextType==1? "通知":"服务")}", value.TextType);
+                if (value.TextType == 1)
+                {
+                    writer.WriteNumber($"[{ value.TextType.ReadNumber()}]文本类型-通知", value.TextType);
+                }
+                else if (value.TextType == 2)
+                {
+                    writer.WriteNumber($"[{ value.TextType.ReadNumber()}]文本类型-服务", value.TextType);
+                }
+                else {
+                    writer.WriteNumber($"[{ value.TextType.ReadNumber()}]文本类型-未设置}", value.TextType);
+                }      
             }
             else
             {