修正singR

ZR.Admin.WebApi/Controllers/mes/op/OperationController.cs

@@ -1,8 +1,10 @@
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.SignalR;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using ZR.Admin.WebApi.Extensions;
+using ZR.Admin.WebApi.Hubs;
 using ZR.Model.mes.md;
 using ZR.Model.MES.op.DTO;
 using ZR.Model.MES.op.ZR.Model.mes.md;
@@ -18,9 +20,11 @@ namespace ZR.Admin.WebApi.Controllers.MES.md
     [Route("mes/op/operation")]
     public class OperationController : BaseController
     {
-        IOperationService operationService;
+        private readonly IOperationService operationService;
+ 
         public OperationController(IOperationService operationService) {
             this.operationService= operationService;
+           
         }
         /// <summary>
         ///  获取所有统计信息
@@ -34,6 +38,6 @@ namespace ZR.Admin.WebApi.Controllers.MES.md
 
             return ToResponse(new ApiResult(200, "success", OpStatisticsList));
         }
-
+       
     }
 }