diff --git a/dist/base.js b/dist/base.js
index c4c61d20a..16405fa71 100644
--- a/dist/base.js
+++ b/dist/base.js
@@ -9629,7 +9629,7 @@ BI.shortcut("bi.checkbox", BI.Checkbox);/**
                         // BI.Msg.toast(value);
                     }
                 }
-                self.fireEvent(BI.File.EVENT_CHANGE, {
+                wrap.files.length > 0 && self.fireEvent(BI.File.EVENT_CHANGE, {
                     files: wrap.files
                 });
                 input.value = "";
diff --git a/dist/bundle.ie.js b/dist/bundle.ie.js
index 09a1eb897..6d3509114 100644
--- a/dist/bundle.ie.js
+++ b/dist/bundle.ie.js
@@ -44696,7 +44696,7 @@ BI.shortcut("bi.checkbox", BI.Checkbox);/**
                         // BI.Msg.toast(value);
                     }
                 }
-                self.fireEvent(BI.File.EVENT_CHANGE, {
+                wrap.files.length > 0 && self.fireEvent(BI.File.EVENT_CHANGE, {
                     files: wrap.files
                 });
                 input.value = "";
diff --git a/dist/bundle.js b/dist/bundle.js
index 553355182..5e0faddff 100644
--- a/dist/bundle.js
+++ b/dist/bundle.js
@@ -45100,7 +45100,7 @@ BI.shortcut("bi.checkbox", BI.Checkbox);/**
                         // BI.Msg.toast(value);
                     }
                 }
-                self.fireEvent(BI.File.EVENT_CHANGE, {
+                wrap.files.length > 0 && self.fireEvent(BI.File.EVENT_CHANGE, {
                     files: wrap.files
                 });
                 input.value = "";
diff --git a/dist/demo.js b/dist/demo.js
index 9b782c270..446f581e0 100644
--- a/dist/demo.js
+++ b/dist/demo.js
@@ -6126,30 +6126,7 @@ Demo.HtapeLayout = BI.inherit(BI.Widget, {
         };
     }
 });
-BI.shortcut("demo.htape", Demo.HtapeLayout);Demo.InlineVerticalLayout = BI.inherit(BI.Widget, {
-    props: {
-        baseCls: "demo-absolute"
-    },
-    render: function () {
-        return {
-            type: "bi.inline_vertical_adapt",
-            items: [{
-                type: "bi.label",
-                text: "绝对布局",
-                cls: "layout-bg1",
-                width: 300,
-                height: 200
-            }, {
-                type: "bi.label",
-                text: "绝对布局",
-                cls: "layout-bg1",
-                width: 300,
-                height: 100
-            }]
-        };
-    }
-});
-BI.shortcut("demo.inline_vertical", Demo.InlineVerticalLayout);/**
+BI.shortcut("demo.htape", Demo.HtapeLayout);/**
  * Created by User on 2017/3/22.
  */
 Demo.LeftRightVerticalAdaptLayout = BI.inherit(BI.Widget, {
diff --git a/dist/fineui.ie.js b/dist/fineui.ie.js
index f5abe0775..6a7c76705 100644
--- a/dist/fineui.ie.js
+++ b/dist/fineui.ie.js
@@ -44938,7 +44938,7 @@ BI.shortcut("bi.checkbox", BI.Checkbox);/**
                         // BI.Msg.toast(value);
                     }
                 }
-                self.fireEvent(BI.File.EVENT_CHANGE, {
+                wrap.files.length > 0 && self.fireEvent(BI.File.EVENT_CHANGE, {
                     files: wrap.files
                 });
                 input.value = "";
diff --git a/dist/fineui.js b/dist/fineui.js
index 9b8812451..79fe61fa8 100644
--- a/dist/fineui.js
+++ b/dist/fineui.js
@@ -45342,7 +45342,7 @@ BI.shortcut("bi.checkbox", BI.Checkbox);/**
                         // BI.Msg.toast(value);
                     }
                 }
-                self.fireEvent(BI.File.EVENT_CHANGE, {
+                wrap.files.length > 0 && self.fireEvent(BI.File.EVENT_CHANGE, {
                     files: wrap.files
                 });
                 input.value = "";
diff --git a/src/base/single/input/file.js b/src/base/single/input/file.js
index 1e064d20c..6e3b39a4b 100644
--- a/src/base/single/input/file.js
+++ b/src/base/single/input/file.js
@@ -513,7 +513,7 @@
                         // BI.Msg.toast(value);
                     }
                 }
-                self.fireEvent(BI.File.EVENT_CHANGE, {
+                wrap.files.length > 0 && self.fireEvent(BI.File.EVENT_CHANGE, {
                     files: wrap.files
                 });
                 input.value = "";