diff --git a/package-lock.json b/package-lock.json
index f8b253be..11ffd3bb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "iview",
-  "version": "2.5.1",
+  "version": "2.7.3",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -5750,14 +5750,6 @@
             }
           }
         },
-        "string_decoder": {
-          "version": "1.0.1",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "safe-buffer": "5.0.1"
-          }
-        },
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
@@ -5768,6 +5760,14 @@
             "strip-ansi": "3.0.1"
           }
         },
+        "string_decoder": {
+          "version": "1.0.1",
+          "bundled": true,
+          "dev": true,
+          "requires": {
+            "safe-buffer": "5.0.1"
+          }
+        },
         "stringstream": {
           "version": "0.0.5",
           "bundled": true,
@@ -14708,15 +14708,6 @@
         "xtend": "4.0.1"
       }
     },
-    "string_decoder": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-      "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
-      "dev": true,
-      "requires": {
-        "safe-buffer": "5.1.1"
-      }
-    },
     "string-width": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
@@ -14728,6 +14719,15 @@
         "strip-ansi": "3.0.1"
       }
     },
+    "string_decoder": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
+      "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+      "dev": true,
+      "requires": {
+        "safe-buffer": "5.1.1"
+      }
+    },
     "strip-ansi": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
diff --git a/src/components/breadcrumb-item/index.js b/src/components/breadcrumb-item/index.js
new file mode 100644
index 00000000..f4af21df
--- /dev/null
+++ b/src/components/breadcrumb-item/index.js
@@ -0,0 +1,3 @@
+import BreadcrumbItem from '../breadcrumb/breadcrumb-item.vue';
+
+export default BreadcrumbItem;
\ No newline at end of file
diff --git a/src/components/button-group/index.js b/src/components/button-group/index.js
new file mode 100644
index 00000000..57b978b1
--- /dev/null
+++ b/src/components/button-group/index.js
@@ -0,0 +1,3 @@
+import ButtonGroup from '../button/button-group.vue';
+
+export default ButtonGroup;
\ No newline at end of file
diff --git a/src/components/carousel-item/index.js b/src/components/carousel-item/index.js
new file mode 100644
index 00000000..08225aa5
--- /dev/null
+++ b/src/components/carousel-item/index.js
@@ -0,0 +1,3 @@
+import CarouselItem from '../carousel/carousel-item.vue';
+
+export default CarouselItem;
\ No newline at end of file
diff --git a/src/components/checkbox-group/index.js b/src/components/checkbox-group/index.js
new file mode 100644
index 00000000..6d451e2c
--- /dev/null
+++ b/src/components/checkbox-group/index.js
@@ -0,0 +1,3 @@
+import CheckboxGroup from '../checkbox/checkbox-group.vue';
+
+export default CheckboxGroup;
\ No newline at end of file
diff --git a/src/components/col/index.js b/src/components/col/index.js
new file mode 100644
index 00000000..547dadbe
--- /dev/null
+++ b/src/components/col/index.js
@@ -0,0 +1,3 @@
+import Col from '../grid/col.vue';
+
+export default Col;
\ No newline at end of file
diff --git a/src/components/dropdown-item/index.js b/src/components/dropdown-item/index.js
new file mode 100644
index 00000000..10ce21fd
--- /dev/null
+++ b/src/components/dropdown-item/index.js
@@ -0,0 +1,3 @@
+import DropdownItem from '../dropdown/dropdown-item.vue';
+
+export default DropdownItem;
\ No newline at end of file
diff --git a/src/components/dropdown-menu/index.js b/src/components/dropdown-menu/index.js
new file mode 100644
index 00000000..df97be5b
--- /dev/null
+++ b/src/components/dropdown-menu/index.js
@@ -0,0 +1,3 @@
+import DropdownMenu from '../dropdown/dropdown-menu.vue';
+
+export default DropdownMenu;
\ No newline at end of file
diff --git a/src/components/dropdown/dropdown-menu.vue b/src/components/dropdown/dropdown-menu.vue
index 1621fb86..4abb3c28 100644
--- a/src/components/dropdown/dropdown-menu.vue
+++ b/src/components/dropdown/dropdown-menu.vue
@@ -2,5 +2,7 @@
     <ul class="ivu-dropdown-menu"><slot></slot></ul>
 </template>
 <script>
-    export default {};
+    export default {
+        name: 'DropdownMenu'
+    };
 </script>
diff --git a/src/components/form-item/index.js b/src/components/form-item/index.js
new file mode 100644
index 00000000..728511ab
--- /dev/null
+++ b/src/components/form-item/index.js
@@ -0,0 +1,3 @@
+import FormItem from '../form/form-item.vue';
+
+export default FormItem;
\ No newline at end of file
diff --git a/src/components/i18n/index.js b/src/components/i18n/index.js
new file mode 100644
index 00000000..0842260c
--- /dev/null
+++ b/src/components/i18n/index.js
@@ -0,0 +1,3 @@
+import locale from '../../locale/index';
+
+export default locale.i18n;
\ No newline at end of file
diff --git a/src/components/locale/index.js b/src/components/locale/index.js
new file mode 100644
index 00000000..babe402b
--- /dev/null
+++ b/src/components/locale/index.js
@@ -0,0 +1,3 @@
+import locale from '../../locale/index';
+
+export default locale.use;
\ No newline at end of file
diff --git a/src/components/menu-group/index.js b/src/components/menu-group/index.js
new file mode 100644
index 00000000..b43f53de
--- /dev/null
+++ b/src/components/menu-group/index.js
@@ -0,0 +1,3 @@
+import MenuGroup from '../menu/menu-group.vue';
+
+export default MenuGroup;
\ No newline at end of file
diff --git a/src/components/menu-item/index.js b/src/components/menu-item/index.js
new file mode 100644
index 00000000..6adc224f
--- /dev/null
+++ b/src/components/menu-item/index.js
@@ -0,0 +1,3 @@
+import MenuItem from '../menu/menu-item.vue';
+
+export default MenuItem;
\ No newline at end of file
diff --git a/src/components/option-group/index.js b/src/components/option-group/index.js
new file mode 100644
index 00000000..14497e85
--- /dev/null
+++ b/src/components/option-group/index.js
@@ -0,0 +1,3 @@
+import OptionGroup from '../select/option-group.vue';
+
+export default OptionGroup;
\ No newline at end of file
diff --git a/src/components/option/index.js b/src/components/option/index.js
new file mode 100644
index 00000000..633e7287
--- /dev/null
+++ b/src/components/option/index.js
@@ -0,0 +1,3 @@
+import Option from '../select/option.vue';
+
+export default Option;
\ No newline at end of file
diff --git a/src/components/options/index.js b/src/components/options/index.js
new file mode 100644
index 00000000..a045d4bc
--- /dev/null
+++ b/src/components/options/index.js
@@ -0,0 +1,2 @@
+import Options from '../page/options.vue';
+export default Options;
\ No newline at end of file
diff --git a/src/components/panel/index.js b/src/components/panel/index.js
new file mode 100644
index 00000000..fac4100e
--- /dev/null
+++ b/src/components/panel/index.js
@@ -0,0 +1,3 @@
+import Panel from '../collapse/panel.vue';
+
+export default Panel;
\ No newline at end of file
diff --git a/src/components/radio-group/index.js b/src/components/radio-group/index.js
new file mode 100644
index 00000000..bfea382c
--- /dev/null
+++ b/src/components/radio-group/index.js
@@ -0,0 +1,3 @@
+import RadioGroup from '../radio/radio-group.vue';
+
+export default RadioGroup;
\ No newline at end of file
diff --git a/src/components/row/index.js b/src/components/row/index.js
new file mode 100644
index 00000000..53cc7c32
--- /dev/null
+++ b/src/components/row/index.js
@@ -0,0 +1,3 @@
+import Row from '../grid/row.vue';
+
+export default Row;
\ No newline at end of file
diff --git a/src/components/select/index.js b/src/components/select/index.js
index 07c6e6d6..d3789a09 100644
--- a/src/components/select/index.js
+++ b/src/components/select/index.js
@@ -2,4 +2,6 @@ import Select from './select.vue';
 import Option from './option.vue';
 import OptionGroup from './option-group.vue';
 
-export { Select, Option, OptionGroup };
\ No newline at end of file
+export { Select, Option, OptionGroup };
+
+export default Select;
\ No newline at end of file
diff --git a/src/components/step/index.js b/src/components/step/index.js
new file mode 100644
index 00000000..acffd61c
--- /dev/null
+++ b/src/components/step/index.js
@@ -0,0 +1,3 @@
+import Step from '../steps/step.vue';
+
+export default Step;
\ No newline at end of file
diff --git a/src/components/sub-menu/index.js b/src/components/sub-menu/index.js
new file mode 100644
index 00000000..9a25b25b
--- /dev/null
+++ b/src/components/sub-menu/index.js
@@ -0,0 +1,3 @@
+import Submenu from '../menu/submenu.vue';
+
+export default Submenu;
\ No newline at end of file
diff --git a/src/components/tab-pane/index.js b/src/components/tab-pane/index.js
new file mode 100644
index 00000000..da06a50c
--- /dev/null
+++ b/src/components/tab-pane/index.js
@@ -0,0 +1,3 @@
+import TabPane from '../tabs/pane.vue';
+
+export default TabPane;
\ No newline at end of file
diff --git a/src/components/timeline-item/index.js b/src/components/timeline-item/index.js
new file mode 100644
index 00000000..98df7bb0
--- /dev/null
+++ b/src/components/timeline-item/index.js
@@ -0,0 +1,3 @@
+import TimelineItem from '../timeline/timeline-item.vue';
+
+export default TimelineItem;
\ No newline at end of file