add missing iview components

src/plugins/iview.js

@@ -16,7 +16,9 @@ import {
   Select,
   Spin,
   Notice,
-  Option
+  Option,
+  Progress,
+  Alert
 } from "iview";
 Vue.component("Button", Button);
 Vue.component("Form", Form);
@@ -33,6 +35,8 @@ Vue.component("Select", Select);
 Vue.component("Spin", Spin);
 Vue.component("Notice", Notice);
 Vue.component("Option", Option);
+Vue.component("Progress", Progress);
+Vue.component("Alert", Alert);
 
 Vue.prototype.$Message = Message;
 Vue.prototype.$Modal = Modal;