分拣任务变更 现场问题处理

WarehouseMgr/Tnb.WarehouseMgr/WmsMaterialSignHService.cs

@@ -86,6 +86,7 @@ namespace Tnb.WarehouseMgr
             string msg = "成功";
             try
             {
+                await s_MaterialSignSemaphore.WaitAsync();
                 if (input == null)
                 {
                     throw new ArgumentNullException(nameof(input));
@@ -691,6 +692,10 @@ namespace Tnb.WarehouseMgr
                 await _db.Ado.RollbackTranAsync();
                 throw new AppFriendlyException($"【MaterialSign】物料签收失败 {ex.Message}", 500);
             }
+            finally
+            {
+                s_MaterialSignSemaphore.Release();
+            }
 
             return msg;
         }