From 8c675325545e766da028be88b08ce5cc078ba2f3 Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Thu, 25 Sep 2025 10:36:09 +0800
Subject: [PATCH] Update  exp to sql

---
 .../SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs     | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs
index 5119539b8..86bcfbef9 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs
@@ -964,7 +964,8 @@ namespace SqlSugar
                                     }
                                 }
                             }
-                            sql = sql.Replace(replace, newValue); 
+                            sql = sql.Replace(replace, newValue);
+                            sql = sql.Replace(" = null ", " is null ");
                         }
                     }
                     sb.Append(sql);