diff --git a/src/base/single/input/file.js b/src/base/single/input/file.js
index 904fbfcf5..d0c51577f 100644
--- a/src/base/single/input/file.js
+++ b/src/base/single/input/file.js
@@ -1,3 +1,5 @@
+// @ts-nocheck
+
 /**
  * 文件
  *
@@ -6,6 +8,7 @@
  * @extends BI.Single
  * @abstract
  */
+
 (function (document) {
 
     /**
@@ -696,9 +699,9 @@
         _setEnable: function (enable) {
             BI.File.superclass._setEnable.apply(this, arguments);
             if (enable === true) {
-                this.element.attr("disabled", "disabled");
-            } else {
                 this.element.removeAttr("disabled");
+            } else {
+                this.element.attr("disabled", "disabled");
             }
         }
     });