Synchronization code

Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Subquery/Items/SubSelectStringJoin.cs

@@ -74,7 +74,7 @@ namespace SqlSugar
         }
         public void SetShortName(MethodCallExpression exp, string result)
         {
-            if (exp.Arguments[0] is LambdaExpression && result.IsContainsIn("+", "-", "*", "/"))
+            if (exp.Arguments[0] is LambdaExpression )
             {
                 var parameters = (exp.Arguments[0] as LambdaExpression).Parameters;
                 if (parameters != null && parameters.Count > 0)
@@ -86,7 +86,7 @@ namespace SqlSugar
         }
         public void SetShortNameNext(MethodCallExpression exp, string result)
         {
-            if (exp.Arguments.Count > 1 && exp.Arguments[1] is LambdaExpression && result.IsContainsIn("+", "-", "*", "/"))
+            if (exp.Arguments.Count > 1 && exp.Arguments[1] is LambdaExpression  )
             {
                 var parameters = (exp.Arguments[1] as LambdaExpression).Parameters;
                 if (parameters != null && parameters.Count > 0)