diff --git a/bi/base.js b/bi/base.js
index b656b208b..c12cc67a1 100644
--- a/bi/base.js
+++ b/bi/base.js
@@ -18182,7 +18182,7 @@ BI.MultifileEditor = BI.inherit(BI.Single, {
         return BI.extend(conf, {
             baseCls: (conf.baseCls || "") + " bi-multifile-editor",
             multiple: false,
-            maxSize: 1024 * 1024,
+            maxSize: -1,//1024 * 1024
             accept: "",
             url: ""
         })
@@ -18943,7 +18943,7 @@ BI.shortcut("bi.checkbox", BI.Checkbox);/**
                 url: "",
                 multiple: true,
                 accept: "", /**'*.jpg; *.zip'**/
-                maxSize: 1024 * 1024
+                maxSize: -1 //1024 * 1024
             })
         },
 
@@ -19019,7 +19019,7 @@ BI.shortcut("bi.checkbox", BI.Checkbox);/**
                     }, 1000);
                 };
                 _wrap.url = o.url ? o.url : BI.servletURL
-                + '?op=fr_attach&cmd=ah_upload';
+                    + '?op=fr_attach&cmd=ah_upload';
                 _wrap.fileType = o.accept;   //文件类型限制
                 _wrap.attach_array = [];
                 _wrap.attach_names = [];
diff --git a/docs/base.js b/docs/base.js
index b656b208b..c12cc67a1 100644
--- a/docs/base.js
+++ b/docs/base.js
@@ -18182,7 +18182,7 @@ BI.MultifileEditor = BI.inherit(BI.Single, {
         return BI.extend(conf, {
             baseCls: (conf.baseCls || "") + " bi-multifile-editor",
             multiple: false,
-            maxSize: 1024 * 1024,
+            maxSize: -1,//1024 * 1024
             accept: "",
             url: ""
         })
@@ -18943,7 +18943,7 @@ BI.shortcut("bi.checkbox", BI.Checkbox);/**
                 url: "",
                 multiple: true,
                 accept: "", /**'*.jpg; *.zip'**/
-                maxSize: 1024 * 1024
+                maxSize: -1 //1024 * 1024
             })
         },
 
@@ -19019,7 +19019,7 @@ BI.shortcut("bi.checkbox", BI.Checkbox);/**
                     }, 1000);
                 };
                 _wrap.url = o.url ? o.url : BI.servletURL
-                + '?op=fr_attach&cmd=ah_upload';
+                    + '?op=fr_attach&cmd=ah_upload';
                 _wrap.fileType = o.accept;   //文件类型限制
                 _wrap.attach_array = [];
                 _wrap.attach_names = [];
diff --git a/src/base/single/editor/editor.multifile.js b/src/base/single/editor/editor.multifile.js
index dd25c7c0e..b004217ec 100644
--- a/src/base/single/editor/editor.multifile.js
+++ b/src/base/single/editor/editor.multifile.js
@@ -12,7 +12,7 @@ BI.MultifileEditor = BI.inherit(BI.Single, {
         return BI.extend(conf, {
             baseCls: (conf.baseCls || "") + " bi-multifile-editor",
             multiple: false,
-            maxSize: 1024 * 1024,
+            maxSize: -1,//1024 * 1024
             accept: "",
             url: ""
         })
diff --git a/src/base/single/input/file.js b/src/base/single/input/file.js
index 8b4d57a11..8f4c75f83 100644
--- a/src/base/single/input/file.js
+++ b/src/base/single/input/file.js
@@ -399,7 +399,7 @@
                 url: "",
                 multiple: true,
                 accept: "", /**'*.jpg; *.zip'**/
-                maxSize: 1024 * 1024
+                maxSize: -1 //1024 * 1024
             })
         },
 
@@ -475,7 +475,7 @@
                     }, 1000);
                 };
                 _wrap.url = o.url ? o.url : BI.servletURL
-                + '?op=fr_attach&cmd=ah_upload';
+                    + '?op=fr_attach&cmd=ah_upload';
                 _wrap.fileType = o.accept;   //文件类型限制
                 _wrap.attach_array = [];
                 _wrap.attach_names = [];