diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
index 49d73d7a4..ae3b3895b 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
@@ -2495,7 +2495,7 @@ namespace SqlSugar
                 if (this.QueryBuilder.AsTables != null && this.QueryBuilder.AsTables.Count==1) 
                 {
                     var tableinfo = this.QueryBuilder.AsTables.First();
-                    if (this.Context.CurrentConnectionConfig?.MoreSettings?.IsWithNoLockQuery == true&& this.QueryBuilder.AsTables.First().Value.ObjToString().Contains(SqlWith.NoLock) ==false)
+                    if (this.QueryBuilder.TableWithString!=SqlWith.Null&&this.Context.CurrentConnectionConfig?.MoreSettings?.IsWithNoLockQuery == true&& this.QueryBuilder.AsTables.First().Value.ObjToString().Contains(SqlWith.NoLock) ==false)
                     {
                         this.QueryBuilder.AsTables[tableinfo.Key] = " (SELECT * FROM " + this.QueryBuilder.AsTables.First().Value + $" {SqlWith.NoLock} )";
                     }
diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/MySql/SqlBuilder/MySqlExpressionContext.cs b/Src/Asp.NetCore2/SqlSugar/Realization/MySql/SqlBuilder/MySqlExpressionContext.cs
index 7f81bc3ef..fdee20e2e 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/MySql/SqlBuilder/MySqlExpressionContext.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/MySql/SqlBuilder/MySqlExpressionContext.cs
@@ -150,7 +150,14 @@ namespace SqlSugar
         {
             var parameter = model.Args[0];
             var parameter1 = model.Args[1];
-            return string.Format("IFNULL({0},{1})", parameter.MemberName, parameter1.MemberName);
+            if (parameter1.MemberValue is bool)
+            {
+                return string.Format("IFNULL(CAST({0} as SIGNED),{1})", parameter.MemberName, parameter1.MemberName);
+            }
+            else
+            {
+                return string.Format("IFNULL({0},{1})", parameter.MemberName, parameter1.MemberName);
+            }
         }
         public override string GetDate()
         {