调整

Service/Main1/ExportExcelsService.cs

@@ -14,7 +14,7 @@ namespace MySystem.Service.Main1
 {
     public class ExportExcelsService
     {
-        static string _conn = ConfigurationManager.AppSettings["SqlConnStr"].ToString();
+        static string _conn = ConfigurationManager.AppSettings["SqlConnStr1"].ToString();
 
         /// <summary>
         /// 查询列表(适合多表关联查询)