diff --git a/ZR.Admin.WebApi/Controllers/mes/pro/ProWorkplanController.cs b/ZR.Admin.WebApi/Controllers/mes/pro/ProWorkplanController.cs
index d6dc1f28..8cf88aa6 100644
--- a/ZR.Admin.WebApi/Controllers/mes/pro/ProWorkplanController.cs
+++ b/ZR.Admin.WebApi/Controllers/mes/pro/ProWorkplanController.cs
@@ -179,12 +179,14 @@ namespace ZR.Admin.WebApi.Controllers.MES.pro
         public IActionResult UpdateWorkorder([FromBody] ProWorkorder proWorkorder)
         {
             // TODO  判断更新的数量是否超过计划数
+
             int data = 0;
-            if (proWorkorder != null)
+            if (proWorkorder != null)   // 工单对象不为空
             {
                 string workPlanId = proWorkorder.FkProPlanId;
                 string workorderId = proWorkorder.Id;
 
+                // 判断计划ID，工单ID要非空
                 if (!string.IsNullOrEmpty(workPlanId) && !string.IsNullOrEmpty(workorderId))
                 {
                     string isArrange = "0";
@@ -196,9 +198,9 @@ namespace ZR.Admin.WebApi.Controllers.MES.pro
                     ProWorkorder currentWorkorder = null;
                     foreach (ProWorkorder item in lstWorkorder)
                     {
-                        if(item.Id.Equals(workorderId) && !string.IsNullOrEmpty(item.Isarrange))
+                        if(item.Id.Equals(workorderId)) // 找到当前工单ID的对象
                         {
-                            isArrange = item.Isarrange;
+                            if(!string.IsNullOrEmpty(item.Isarrange)) isArrange = item.Isarrange;
                             currentWorkorder = item;
                             break;
                         }
@@ -260,6 +262,7 @@ namespace ZR.Admin.WebApi.Controllers.MES.pro
                 // 查询所有生产工单，根据生产计划ID
                 List<ProWorkorder> lstWorkorder = proWorkplanService.GetWorkorderListById(id);
 
+                // 查询工单非空，数量必须为1个
                 if (lstWorkorder != null && lstWorkorder.Count == 1)
                 {
                     string isArrange = "0";