From 72551d6050c1dfaba3449a85247503a143ba8d96 Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Sat, 23 Sep 2023 18:43:37 +0800
Subject: [PATCH] Update exp to sql

---
 .../ResolveItems/MethodCallExpressionResolve_Helper.cs   | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_Helper.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_Helper.cs
index 8b0050c04..d40aa8594 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_Helper.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_Helper.cs
@@ -451,7 +451,14 @@ namespace SqlSugar
                     value = result;
                 }
                 methodCallExpressionArgs.MemberValue = value;
-                this.Context.Parameters.Add(new SugarParameter(parameterName, value));
+                if (value == null&&item!=null)
+                {
+                    this.Context.Parameters.Add(new SugarParameter(parameterName, value,UtilMethods.GetUnderType( item.Type)));
+                }
+                else
+                {
+                    this.Context.Parameters.Add(new SugarParameter(parameterName, value));
+                }
             }
             model.Args.Add(methodCallExpressionArgs);
             parameter.ChildExpression = null;