增加主服务调用方法

src/App.js

@@ -123,6 +123,19 @@ export class App extends React.Component {
       );
     }
 
+    if (message === 'showDataService') {
+      return (
+        <AppContext.Provider value={{
+          env: hostParams?.env,
+          user: hostParams?.user,
+          setGlobalState,
+          onGlobalStateChange
+        }}>
+          <DataService />
+        </AppContext.Provider>
+      );
+    }
+
     return (
       <AppContext.Provider value={{
         env:  hostParams?.env,