diff --git a/DM_Weight/ViewModels/SettingBoxWindowViewModel.cs b/DM_Weight/ViewModels/SettingBoxWindowViewModel.cs
index e54f071..10adb8c 100644
--- a/DM_Weight/ViewModels/SettingBoxWindowViewModel.cs
+++ b/DM_Weight/ViewModels/SettingBoxWindowViewModel.cs
@@ -159,9 +159,21 @@ namespace DM_Weight.ViewModels
                             //药箱归属药师，把药师信息显示出来
                             UserStatus = Visibility.Visible;
                             UserListSelectedItem = _userLists.Where(sul => sul.UserId.ToString() == cnl.BelongUser).FirstOrDefault();
-                            if (UserListSelectedItem == null && _userLists != null)
+                            if (UserListSelectedItem == null)
                             {
-                                UserListSelectedItem = _userLists[0];
+                                if (UserLists.Where(us => us.UserName == "请选择药师").Count() <= 0)
+                                {
+                                    BindUserList nullBind = new BindUserList();
+                                    nullBind.UserId = 0;
+                                    nullBind.UserName = "请选择药师";
+                                    _userLists.Add(nullBind);
+
+                                }
+                                UserListSelectedItem = UserLists.Where(us => us.UserName == "请选择药师").FirstOrDefault();
+                            }
+                            else
+                            {
+                                UserListSelectedItem = UserLists[0];
                             }
                         }
                         else