fix some running error

Unvirt/CmdHelper.cpp

@@ -232,13 +232,13 @@ namespace Unvirt::CmdHelper {
 
 		// add into list
 		switch (node->GetNodeType()) {
-			case NodeType::Argument:
+			case NodeType::Literal:
 				m_Literals.emplace_back(node);
 				break;
 			case NodeType::Choice:
 				m_Choices.emplace_back(node);
 				break;
-			case NodeType::Literal:
+			case NodeType::Argument:
 				m_Args.emplace_back(node);
 				break;
 			default:

Unvirt/UnvirtContext.cpp

@@ -106,7 +106,7 @@ namespace Unvirt::Context {
 				)
 			)
 		)
-		->Then((new CmdHelper::Literal("temp"))
+		->Then((new CmdHelper::Literal("exit"))
 			->Executes(
 				std::bind(&UnvirtContext::ProcExit, this, std::placeholders::_1),
 				"Exit program."