diff --git a/src/lib/dnd.js b/src/lib/dnd.js
index 512422155..d0b153635 100644
--- a/src/lib/dnd.js
+++ b/src/lib/dnd.js
@@ -5,7 +5,7 @@ define([
     '../base',
     '../mediator',
     '../runtime/client'
-], function( Base, Mediator, RuntimeClent ) {
+], function( Base, Mediator, RuntimeClient ) {
 
     var $ = Base.$;
 
@@ -18,7 +18,7 @@ define([
             return;
         }
 
-        RuntimeClent.call( this, 'DragAndDrop' );
+        RuntimeClient.call( this, 'DragAndDrop', true );//与FilePicker一样为一种文件选择器，不能重用
     }
 
     DragAndDrop.options = {
@@ -26,7 +26,7 @@ define([
         disableGlobalDnd: false
     };
 
-    Base.inherits( RuntimeClent, {
+    Base.inherits( RuntimeClient, {
         constructor: DragAndDrop,
 
         init: function() {
@@ -42,4 +42,4 @@ define([
     Mediator.installTo( DragAndDrop.prototype );
 
     return DragAndDrop;
-});
\ No newline at end of file
+});
diff --git a/src/lib/filepaste.js b/src/lib/filepaste.js
index c34bcad7c..7c2b2c395 100644
--- a/src/lib/filepaste.js
+++ b/src/lib/filepaste.js
@@ -5,17 +5,17 @@ define([
     '../base',
     '../mediator',
     '../runtime/client'
-], function( Base, Mediator, RuntimeClent ) {
+], function( Base, Mediator, RuntimeClient ) {
 
     var $ = Base.$;
 
     function FilePaste( opts ) {
         opts = this.options = $.extend({}, opts );
         opts.container = $( opts.container || document.body );
-        RuntimeClent.call( this, 'FilePaste' );
+        RuntimeClient.call( this, 'FilePaste', true );//与FilePicker一样为一种文件选择器，不能重用
     }
 
-    Base.inherits( RuntimeClent, {
+    Base.inherits( RuntimeClient, {
         constructor: FilePaste,
 
         init: function() {
@@ -31,4 +31,4 @@ define([
     Mediator.installTo( FilePaste.prototype );
 
     return FilePaste;
-});
\ No newline at end of file
+});