更新

app/Http/Controllers/Api/UserController.php

@@ -116,7 +116,7 @@ class UserController extends Controller
                 'avatar' =>$request->avatar,
                 'nickname' =>htmlspecialchars($request->nickname),
                 'birthday' =>$request->birthday,
-                'video' =>json_encode($request->video),
+                'video' => !empty($request->video)?json_encode($request->video) :[],
             ]);
             if($pid!=0){
                 $user->pid = $pid;