-

SqlSugar/ExpressionsToSql/Common/ExpressionTool.cs

@@ -42,7 +42,8 @@ namespace SqlSugar
                 case ExpressionType.MultiplyChecked:
                     return "*";
                 default:
-                    throw new NotSupportedException(string.Format(ExpressionErrorMessage.OperatorError, expressiontype.ToString()));
+                    Check.ThrowNotSupportedException(string.Format(ExpressionErrorMessage.OperatorError, expressiontype.ToString()));
+                    return null;
             }
         }