diff --git a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
index e320b8849..dd22d3e42 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
@@ -2187,7 +2187,7 @@ namespace SqlSugar
              this.QueryBuilder.IsDistinct==false)
             {
                 var list = await this.Clone().Select<int>(" COUNT(1) ").ToListAsync();
-                return list.First();
+                return list.FirstOrDefault();
             }
             MappingTableList expMapping;
             int result;
diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
index e320b8849..dd22d3e42 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
@@ -2187,7 +2187,7 @@ namespace SqlSugar
              this.QueryBuilder.IsDistinct==false)
             {
                 var list = await this.Clone().Select<int>(" COUNT(1) ").ToListAsync();
-                return list.First();
+                return list.FirstOrDefault();
             }
             MappingTableList expMapping;
             int result;