优化load

examples/user-login.php

@@ -8,10 +8,12 @@
     $model=new UserInput(['scenario'=>'login']);
 
     $inputDate=[
+        "UserInput"=>[
             "name"      => "kuangweijian",
             "password"  => "123456546",
+        ]
     ];
-    $model->load(["UserInput"=>$inputDate],"UserInput");
+    $model->load($inputDate);
 
     if($model->validate()){
         echo "login succ".PHP_EOL;

examples/user-register.php

@@ -8,12 +8,14 @@
     $model=new UserInput(['scenario'=>'register']);
 
     $inputDate=[
+        "UserInput"=>[
             "name"      => "kuangweiian",
             "email"     => "12345678@qq.com",
             "password"  => "1234567890",
             "pwdConfirm"=> "1234567890",
+        ]
     ];
-    $model->load(["UserInput"=>$inputDate],"UserInput");
+    $model->load($inputDate);
 
     if($model->validate()){
         echo "register succ".PHP_EOL;