diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MapperExpressionResolve.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MapperExpressionResolve.cs
index cdea19074..9613f2ab9 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MapperExpressionResolve.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MapperExpressionResolve.cs
@@ -17,7 +17,7 @@ namespace SqlSugar
         public MapperExpressionResolve(Expression expression, InvalidOperationException ex)
         {
             this.expression = expression;
-            NavgateExpression navgate = new NavgateExpression();
+            NavgateExpression navgate = new NavgateExpression(context);
             if (navgate.IsNavgate(expression))
             {
                 navgate.Execute(this);
diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/NavgateExpression.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/NavgateExpression.cs
index 09563e35e..a08f57907 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/NavgateExpression.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/NavgateExpression.cs
@@ -9,6 +9,13 @@ namespace SqlSugar
 {
     internal class NavgateExpression
     {
+        private SqlSugarProvider context;
+
+        public NavgateExpression(SqlSugarProvider context)
+        {
+            this.context = context;
+        }
+
         internal bool IsNavgate(Expression expression)
         {
             var exp = expression;