From c8946cb193e3923ede55918ef507298886d65dce Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Fri, 15 Aug 2025 11:51:35 +0800
Subject: [PATCH] Update mongodb

---
 .../ExpToSql/VisitorItems/MethodCallExpressionTractor.cs   | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Src/Asp.NetCore2/SqlSugar.MongoDbCore/ExpToSql/VisitorItems/MethodCallExpressionTractor.cs b/Src/Asp.NetCore2/SqlSugar.MongoDbCore/ExpToSql/VisitorItems/MethodCallExpressionTractor.cs
index 2ec95e5f6..ced9fc3b6 100644
--- a/Src/Asp.NetCore2/SqlSugar.MongoDbCore/ExpToSql/VisitorItems/MethodCallExpressionTractor.cs
+++ b/Src/Asp.NetCore2/SqlSugar.MongoDbCore/ExpToSql/VisitorItems/MethodCallExpressionTractor.cs
@@ -143,6 +143,7 @@ namespace SqlSugar.MongoDb
 
             var memberExpression = methodCallExpression.Arguments[0] as MemberExpression;
             var lambdaExpression = methodCallExpression.Arguments[1] as LambdaExpression;
+            var firstParameterName = lambdaExpression.Parameters.FirstOrDefault().Name;
 
             // 获取集合字段名
             var collectionField = MongoNestedTranslator.TranslateNoFieldName(
@@ -160,7 +161,11 @@ namespace SqlSugar.MongoDb
                 // 左右表达式
                 var left = binaryExpr.Left;
                 var right = binaryExpr.Right;
-
+                if (ExpressionTool.GetParameters(right).Any(s => s.Name == firstParameterName)) 
+                {
+                     left = binaryExpr.Right;
+                     right = binaryExpr.Left;
+                } 
                 // 判断左侧是否为子对象属性，右侧是否为主对象属性
                 string leftField = MongoNestedTranslator.TranslateNoFieldName(left, _context, new ExpressionVisitorContext { IsText = true })?.ToString();
                 string rightField = MongoNestedTranslator.TranslateNoFieldName(right, _context, new ExpressionVisitorContext { IsText = true })?.ToString();