diff --git a/server/controllers/ReaderController.js b/server/controllers/ReaderController.js
index 09596225..5e9a4879 100644
--- a/server/controllers/ReaderController.js
+++ b/server/controllers/ReaderController.js
@@ -35,9 +35,9 @@ class ReaderController extends BaseController {
         const request = req.body;
         let error = '';
         try {
-            if (!request.action) 
+            if (!request.action)
                 throw new Error(`key 'action' is empty`);
-            if (!request.items || Array.isArray(request.data)) 
+            if (!request.items || Array.isArray(request.data))
                 throw new Error(`key 'items' is empty`);
 
             return await this.readerStorage.doAction(request);
diff --git a/server/controllers/WebSocketController.js b/server/controllers/WebSocketController.js
index 87659128..33b61a0b 100644
--- a/server/controllers/WebSocketController.js
+++ b/server/controllers/WebSocketController.js
@@ -150,11 +150,11 @@ class WebSocketController {
     }
 
     async readerStorageDo(req, ws) {
-        if (!req.body) 
+        if (!req.body)
             throw new Error(`key 'body' is empty`);
-        if (!req.body.action) 
+        if (!req.body.action)
             throw new Error(`key 'action' is empty`);
-        if (!req.body.items || Array.isArray(req.body.data)) 
+        if (!req.body.items || Array.isArray(req.body.data))
             throw new Error(`key 'items' is empty`);
 
         this.send(await this.readerStorage.doAction(req.body), req, ws);