diff --git a/TestingModule/ViewModels/Dialogs/ParameterSettingViewModel.cs b/TestingModule/ViewModels/Dialogs/ParameterSettingViewModel.cs
index 8495166..d9b44a9 100644
--- a/TestingModule/ViewModels/Dialogs/ParameterSettingViewModel.cs
+++ b/TestingModule/ViewModels/Dialogs/ParameterSettingViewModel.cs
@@ -93,7 +93,20 @@ namespace TestingModule.ViewModels.Dialogs
                 var index = Program.Parameters
                       .Select((x, i) => new { x, i })
                       .FirstOrDefault(p => p.x.ID == _ScopedContext.SelectedParameter.ID)?.i;
-
+                if (!_ScopedContext.SelectedParameter.IsEditable)
+                {
+                    //公共变量只允许更改ParameterCategory为Input,Temp
+                    if (Program.Parameters[index.Value].Value != Parameter.Value
+    || Program.Parameters[index.Value].UpperLimit != Parameter.UpperLimit
+    || Program.Parameters[index.Value].LowerLimit != Parameter.LowerLimit
+    || Program.Parameters[index.Value].Name != Parameter.Name
+    || Parameter.Category == ParameterCategory.Output
+    || Program.Parameters[index.Value].Type != Parameter.Type)
+                    {
+                        RequestClose.Invoke(ButtonResult.Yes);
+                        return;
+                    }
+                }
                 if (index.HasValue)
                 {
                     Program.Parameters[index.Value] = Parameter;
diff --git a/TestingModule/ViewModels/ParametersManagerViewModel.cs b/TestingModule/ViewModels/ParametersManagerViewModel.cs
index 167af42..8c8e8e4 100644
--- a/TestingModule/ViewModels/ParametersManagerViewModel.cs
+++ b/TestingModule/ViewModels/ParametersManagerViewModel.cs
@@ -190,13 +190,13 @@ namespace TestingModule.ViewModels
 
         private void ParameterDelete()
         {
-            if (!_globalInfo.IsAdmin) return;
+            if (!_globalInfo.IsAdmin || !SelectedParameter.IsEditable) return;
             Program.Parameters.Remove(SelectedParameter);
         }
 
         private void ParameterEdit()
         {
-            if (!_globalInfo.IsAdmin||!SelectedParameter.IsEditable) return;
+            if (!_globalInfo.IsAdmin) return;
             var param = new DialogParameters
             {
                 { "Mode",SelectedParameter==null?"ADD":"Edit" },
@@ -207,10 +207,11 @@ namespace TestingModule.ViewModels
                 if (r.Result == ButtonResult.OK)
                 {
                     _eventAggregator.GetEvent<ParamsChangedEvent>().Publish();
+                    ShowInfoMessageBox("保存成功", () => { });
                 }
-                else
+                else if (r.Result == ButtonResult.Yes)
                 {
-
+                ShowErrorMessageBox("公共变量只能设置变量类型（Input,Temp）", ()=>{ });
                 }
                 
             });
diff --git a/UIShare/ViewModelBase/NavigateViewModelBase.cs b/UIShare/ViewModelBase/NavigateViewModelBase.cs
index ff328a9..9b56962 100644
--- a/UIShare/ViewModelBase/NavigateViewModelBase.cs
+++ b/UIShare/ViewModelBase/NavigateViewModelBase.cs
@@ -44,7 +44,7 @@ namespace UIShare.ViewModelBase
             var dialogParams = new DialogParameters();
             dialogParams.Add("Title", "错误");
             dialogParams.Add("Message", Message);
-            dialogParams.Add("Icon", "info");
+            dialogParams.Add("Icon", "error");
             dialogParams.Add("ShowOk", true);
             _dialogService.ShowDialog("MessageBox", dialogParams, result =>
             {