diff --git a/app/js/ui/spotify.js b/app/js/ui/spotify.js
index a9bd9659..b40c46b5 100644
--- a/app/js/ui/spotify.js
+++ b/app/js/ui/spotify.js
@@ -129,6 +129,10 @@ function nowplaying(mode){
 
 	    ipc.send('itunes', "");
 	    ipc.once('itunes-np', function (event, arg) {
+            if (arg.cmd) {
+              console.error(arg);
+              return;
+            }
             console.log(arg);
             var content=localStorage.getItem("np-temp");
             if(!content || content=="" || content=="null"){
diff --git a/app/main/np.js b/app/main/np.js
index 31ad140b..352add5f 100644
--- a/app/main/np.js
+++ b/app/main/np.js
@@ -29,8 +29,9 @@ function np(mainWindow){
             nowplaying.getRawData().then(function (value) {
                 mainWindow.webContents.send('itunes-np', value);
             }).catch(function (error) {
-                // 非同期処理失敗。呼ばれない
-                console.log(error);
+                // エラーを返す
+                console.error(error);
+                mainWindow.webContents.send('itunes-np', error);
             });
             }else{
                 var {NowPlaying,PlayerName} = require("nowplaying-node");