diff --git a/src/JT808.Protocol/Internal/JT808_0x8103_Factory.cs b/src/JT808.Protocol/Internal/JT808_0x8103_Factory.cs
index d94bf56..d6b4a71 100644
--- a/src/JT808.Protocol/Internal/JT808_0x8103_Factory.cs
+++ b/src/JT808.Protocol/Internal/JT808_0x8103_Factory.cs
@@ -75,7 +75,7 @@ namespace JT808.Protocol.Interfaces
             Map.Add(JT808Constants.JT808_0x8103_0x0064, new JT808_0x8103_0x0064());
             Map.Add(JT808Constants.JT808_0x8103_0x0065, new JT808_0x8103_0x0065());
             Map.Add(JT808Constants.JT808_0x8103_0x0070, new JT808_0x8103_0x0070());
-            Map.Add(JT808Constants.JT808_0x8103_0x0071, new JT808_0x8103_0x0081());
+            Map.Add(JT808Constants.JT808_0x8103_0x0071, new JT808_0x8103_0x0071());
             Map.Add(JT808Constants.JT808_0x8103_0x0072, new JT808_0x8103_0x0072());
             Map.Add(JT808Constants.JT808_0x8103_0x0073, new JT808_0x8103_0x0073());
             Map.Add(JT808Constants.JT808_0x8103_0x0074, new JT808_0x8103_0x0074());