Optimization error tips

Src/Asp.Net/SqlSugar/Realization/Sqlite/DbMaintenance/SqliteDbMaintenance.cs

@@ -204,7 +204,7 @@ namespace SqlSugar
         {
             get
             {
-                throw new NotSupportedException();
+                throw new NotSupportedException(" Sqlite no support default value");
             }
         }
         protected override string IsAnyIndexSql

Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/DbMaintenance/SqliteDbMaintenance.cs

@@ -250,7 +250,7 @@ namespace SqlSugar
             }
         }
 
-        protected override string AddDefaultValueSql => throw new NotSupportedException();
+        protected override string AddDefaultValueSql => throw new NotSupportedException(" Sqlite no support default value");
         #endregion
 
         #region Methods