diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/SubResolve.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/SubResolve.cs
index 77d89084e..4f98eea4f 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/SubResolve.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/SubResolve.cs
@@ -51,7 +51,7 @@ namespace SqlSugar
                  {
                      hasWhere = true;
                  }
-                 else
+                 else if(item  is SubWhere)
                  {
                      item = SubTools.SubItems.First(s => s is SubAnd);
                  }
diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/SubTools.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/SubTools.cs
index d02eb2e08..a3259cbf0 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/SubTools.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/SubTools.cs
@@ -1,5 +1,4 @@
-using SqlSugar.ExpressionsToSql.Subquery;
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Linq.Expressions;
@@ -13,6 +12,7 @@ namespace SqlSugar
         {
            new SubSelect(),
            new SubWhere(),
+           new SubAnd(),
            new SubAny(),
            new SubNotAny(),
            new SubBegin(),