diff --git a/Src/Asp.Net/SqlSugar/Interface/IAdo.cs b/Src/Asp.Net/SqlSugar/Interface/IAdo.cs
index b84012ea1..d8a38be0e 100644
--- a/Src/Asp.Net/SqlSugar/Interface/IAdo.cs
+++ b/Src/Asp.Net/SqlSugar/Interface/IAdo.cs
@@ -57,7 +57,7 @@ namespace SqlSugar
         int GetInt(string sql, object pars);
         int GetInt(string sql, params SugarParameter[] parameters);
         int GetInt(string sql, List<SugarParameter> parameters);
-        int GetLong(string sql, object pars);
+        long GetLong(string sql, object pars);
         Double GetDouble(string sql, object parameters);
         Double GetDouble(string sql, params SugarParameter[] parameters);
         Double GetDouble(string sql, List<SugarParameter> parameters);