diff --git a/src/Info.props b/src/Info.props
index 5266f38..503771d 100644
--- a/src/Info.props
+++ b/src/Info.props
@@ -8,7 +8,7 @@
     <PackageProjectUrl>https://github.com/SmallChi/JT808</PackageProjectUrl>
     <licenseUrl>https://github.com/SmallChi/JT808/blob/master/LICENSE</licenseUrl>
     <license>https://github.com/SmallChi/JT808/blob/master/LICENSE</license>
-    <Version>2.6.4</Version>
+    <Version>2.6.5</Version>
 	<ImplicitUsings>enable</ImplicitUsings>
     <PackageLicenseFile>LICENSE</PackageLicenseFile>
     <PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
diff --git a/src/JT808.Protocol.Test/MessageBody/JT808_0x0200Test.cs b/src/JT808.Protocol.Test/MessageBody/JT808_0x0200Test.cs
index 59de61d..ad62ced 100644
--- a/src/JT808.Protocol.Test/MessageBody/JT808_0x0200Test.cs
+++ b/src/JT808.Protocol.Test/MessageBody/JT808_0x0200Test.cs
@@ -494,6 +494,14 @@ namespace JT808.Protocol.Test.MessageBody
             var json = JT808Serializer1.Analyze(bodys);
         }
 
+
+        [Fact]
+        public void Test8_2()
+        {
+            var bytes = "7E020000670440054300360D0700000000000C01030158A18406C96FE0000F0000012423120709365201040000000C30011731010CEB06000400CE06D62B04000000005110FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF58100FFF0FFF0FFF0FFF0FFF0FFF0FFF0FFF55080000000000099066520103287E".ToHexBytes();
+            var package = JT808Serializer1.Analyze(bytes);
+        }
+
         [Fact]
         public void Test_all_attcahids()
         {
diff --git a/src/JT808.Protocol/MessageBody/JT808_0x0200.cs b/src/JT808.Protocol/MessageBody/JT808_0x0200.cs
index a08f844..2624237 100644
--- a/src/JT808.Protocol/MessageBody/JT808_0x0200.cs
+++ b/src/JT808.Protocol/MessageBody/JT808_0x0200.cs
@@ -476,7 +476,7 @@ namespace JT808.Protocol.MessageBody
             writer.WriteString($"[{StatusFlagBits[19]}]bit12", StatusFlagBits[19] == '0' ? "车门解锁" : "车门加锁");
             writer.WriteString($"[{StatusFlagBits[20]}]bit11", StatusFlagBits[20] == '0' ? "车辆电路正常" : "车辆电路断开");
             writer.WriteString($"[{StatusFlagBits[21]}]bit10", StatusFlagBits[21] == '0' ? "车辆油路正常" : "车辆油路断开");
-            var bit8And9 = StatusFlagBits.Slice(22, 2).ToString();
+            var bit8And9 = string.Join("",StatusFlagBits.Slice(22, 2).ToArray().Reverse());
             switch (bit8And9)
             {
                 case "00":