diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/DbMaintenance/KdbndpDbMaintenance.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/DbMaintenance/KdbndpDbMaintenance.cs
index 3a0e0caa8..b4e1084f9 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/DbMaintenance/KdbndpDbMaintenance.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Kdbndp/DbMaintenance/KdbndpDbMaintenance.cs
@@ -485,7 +485,10 @@ WHERE tgrelid = '" + tableName + "'::regclass");
                     ConvertCreateColumnInfo(item);
                     if (item.DbColumnName.Equals("GUID", StringComparison.CurrentCultureIgnoreCase) && item.Length == 0)
                     {
-                        item.Length = 10;
+                        if (item.DataType?.ToLower() != "uuid")
+                        {
+                            item.Length = 10;
+                        }
                     }
                 }
             }
@@ -527,6 +530,14 @@ WHERE tgrelid = '" + tableName + "'::regclass");
                 string addItem = string.Format(this.CreateTableColumn, this.SqlBuilder.GetTranslationColumnName(columnName.ToUpper(IsUpper)), dataType, dataSize, nullType, primaryKey, "");
                 if (item.IsIdentity)
                 {
+                    if (dataType?.ToLower() == "int")
+                    {
+                        dataSize = "int4";
+                    }
+                    else if (dataType?.ToLower() == "long")
+                    {
+                        dataSize = "int8";
+                    }
                     string length = dataType.Substring(dataType.Length - 1);
                     string identityDataType = "serial" + length;
                     addItem = addItem.Replace(dataType, identityDataType);
diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/DbMaintenance/PostgreSQLDbMaintenance.cs b/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/DbMaintenance/PostgreSQLDbMaintenance.cs
index 8c6730b29..63ff609db 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/DbMaintenance/PostgreSQLDbMaintenance.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/DbMaintenance/PostgreSQLDbMaintenance.cs
@@ -420,7 +420,10 @@ WHERE tgrelid = '"+tableName+"'::regclass");
                     ConvertCreateColumnInfo(item);
                     if (item.DbColumnName.Equals("GUID", StringComparison.CurrentCultureIgnoreCase) && item.Length == 0)
                     {
-                        item.Length = 10;
+                        if (item.DataType?.ToLower() != "uuid")
+                        {
+                            item.Length = 10;
+                        }
                     }
                 }
             }
@@ -471,6 +474,14 @@ WHERE tgrelid = '"+tableName+"'::regclass");
                 string addItem = string.Format(this.CreateTableColumn, this.SqlBuilder.GetTranslationColumnName(columnName.ToLower(isAutoToLowerCodeFirst)), dataType, dataSize, nullType, primaryKey, "");
                 if (item.IsIdentity)
                 {
+                    if (dataType?.ToLower() == "int") 
+                    {
+                        dataSize = "int4";
+                    }
+                    else if (dataType?.ToLower() == "long")
+                    {
+                        dataSize = "int8";
+                    }
                     string length = dataType.Substring(dataType.Length - 1);
                     string identityDataType = "serial" + length;
                     addItem = addItem.Replace(dataType, identityDataType);