diff --git a/Src/Asp.Net/SqlServerTest/Demos/1_Query.cs b/Src/Asp.Net/SqlServerTest/Demos/1_Query.cs
index 1e7ecdb92..c14be7845 100644
--- a/Src/Asp.Net/SqlServerTest/Demos/1_Query.cs
+++ b/Src/Asp.Net/SqlServerTest/Demos/1_Query.cs
@@ -427,7 +427,7 @@ namespace OrmTest.Demo
             var test32 = db.Queryable<Student>().Where(it => it.Name == null ? true : false).ToList();
             var test33 = db.Queryable<Student>().Where(it => SqlFunc.IIF(it.Name==null,true ,false)).ToList();
             var test34 = db.Queryable<Student>().Where(it => SqlFunc.IIF(it.Name == null||1==1, true, false)).ToList();
-            // var test35 = db.Queryable<Student>().Where(it => SqlFunc.IF(it.Id==1).Return(true).End(false)).ToList();
+            var test35 = db.Queryable<Student>().Where(it =>it.Id==1&&SqlFunc.IF(it.Id==1).Return(true).End(false)).ToList();
         }
         public static void Page()
         {
diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve.cs
index 4b206a5bd..77ef534d0 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve.cs
@@ -62,6 +62,10 @@ namespace SqlSugar
             {
                 CaseWhenResolve caseResole = new CaseWhenResolve(express, this.Context, parameter.OppsiteExpression);
                 var appendSql = caseResole.GetSql();
+                var isRoot = contextIndex == 2&&parameter.BaseExpression==null;
+                if (isRoot||(parameter.BaseExpression!=null&&ExpressionTool.IsLogicOperator(parameter.BaseExpression))) {
+                    appendSql= appendSql+"=1 ";
+                }
                 if (this.Context.ResolveType.IsIn(ResolveExpressType.SelectMultiple, ResolveExpressType.SelectSingle,ResolveExpressType.Update))
                 {
                     parameter.BaseParameter.CommonTempData = appendSql;