diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/DbBind/KdbndpBind.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/DbBind/KdbndpBind.cs
index 935e9f342..78b322ddf 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/DbBind/KdbndpBind.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/DbBind/KdbndpBind.cs
@@ -6,6 +6,14 @@ namespace SqlSugar
 {
     public class KdbndpDbBind : DbBindProvider
     {
+        public override string GetDbTypeName(string csharpTypeName)
+        {
+            if (csharpTypeName == UtilConstants.ByteArrayType.Name)
+                return "bytea";
+
+            var result = base.GetDbTypeName(csharpTypeName);
+            return result;
+        }
         public override string GetPropertyTypeName(string dbTypeName)
         {
             dbTypeName = dbTypeName.Replace("pg_catalog.", "");