diff --git a/src/Luban.Job.Common/Source/TypeVisitors/TypescriptBinUnderingDeserializeVisitorBase.cs b/src/Luban.Job.Common/Source/TypeVisitors/TypescriptBinUnderingDeserializeVisitorBase.cs
index a3d055b..9b1dbd1 100644
--- a/src/Luban.Job.Common/Source/TypeVisitors/TypescriptBinUnderingDeserializeVisitorBase.cs
+++ b/src/Luban.Job.Common/Source/TypeVisitors/TypescriptBinUnderingDeserializeVisitorBase.cs
@@ -166,7 +166,7 @@ namespace Luban.Job.Common.TypeVisitors
 
         public string Accept(TDateTime type, string bufVarName, string fieldName)
         {
-            return $"{fieldName} = {bufVarName}.ReadLong()";
+            return $"{fieldName} = {bufVarName}.ReadLongAsNumber()";
         }
     }
 }