diff --git a/library/think/model/relation/OneToOne.php b/library/think/model/relation/OneToOne.php
index 18b92225..c64dfcbb 100644
--- a/library/think/model/relation/OneToOne.php
+++ b/library/think/model/relation/OneToOne.php
@@ -67,6 +67,7 @@ abstract class OneToOne extends Relation
                 $field = true;
             }
             $query->field($field, false, $table, $alias);
+            $field = null;
         }
 
         // 预载入封装
@@ -82,7 +83,7 @@ abstract class OneToOne extends Relation
 
         if ($closure) {
             // 执行闭包查询
-            call_user_func_array($closure, [& $query]);
+            call_user_func_array($closure, [ & $query]);
             // 使用withField指定获取关联的字段，如
             // $query->where(['id'=>1])->withField('id,name');
             if ($query->getOptions('with_field')) {
@@ -91,10 +92,8 @@ abstract class OneToOne extends Relation
             }
         } elseif (isset($this->option['field'])) {
             $field = $this->option['field'];
-        } else {
-            $field = true;
         }
-        $query->field($field, false, $joinTable, $joinAlias, $relation . '__');
+        $query->field(isset($field) ? $field : true, false, $joinTable, $joinAlias, $relation . '__');
     }
 
     /**
@@ -290,7 +289,7 @@ abstract class OneToOne extends Relation
     {
         // 预载入关联查询 支持嵌套预载入
         if ($closure) {
-            call_user_func_array($closure, [& $model]);
+            call_user_func_array($closure, [ & $model]);
             if ($field = $model->getOptions('with_field')) {
                 $model->field($field)->removeOption('with_field');
             }