diff --git a/src/JTTools/Pages/JT808Analyze.razor b/src/JTTools/Pages/JT808Analyze.razor
index fa7a438..67734b1 100644
--- a/src/JTTools/Pages/JT808Analyze.razor
+++ b/src/JTTools/Pages/JT808Analyze.razor
@@ -2,6 +2,7 @@
 
 @using JT808.Protocol;
 @using JT808.Protocol.Extensions;
+@using JT808.Protocol.Exceptions;
 @using JTTools.Configs;
 @using System.Text;
 @using System.Text.Encodings.Web;
@@ -83,6 +84,12 @@
                     break;
             }
         }
+        catch (JT808Exception ex)
+        {
+            isOpen = !isOpen;
+            Json = "";
+            ErrerMessage = ex.Message;
+        }
         catch (Exception ex)
         {
             isOpen = !isOpen;
diff --git a/src/JTTools/Pages/JT809Parse.razor b/src/JTTools/Pages/JT809Parse.razor
index 174e8e4..fa55f1c 100644
--- a/src/JTTools/Pages/JT809Parse.razor
+++ b/src/JTTools/Pages/JT809Parse.razor
@@ -5,6 +5,7 @@
 @using Newtonsoft.Json;
 @using JT809.Protocol.Configs;
 @using JT809.Protocol.Interfaces;
+@using JT809.Protocol.Exceptions;
 @inject IJT809Config  Config
 
 <select class="form-control" @onchange="@OnSelectEncryptType">
@@ -81,6 +82,12 @@
                 Json = JsonConvert.SerializeObject(jT809SerializerInternal.Deserialize(data), Formatting.Indented);
             }
         }
+        catch(JT809Exception ex)
+        {
+            isOpen = !isOpen;
+            Json = "";
+            ErrerMessage = ex.Message;
+        }
         catch(Exception ex)
         {
             isOpen = !isOpen;