diff --git a/package.json b/package.json
index edfdab7fdb..3ea25146b0 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "rc-dialog": "~5.0.2",
     "rc-dropdown": "~1.3.3",
     "rc-form-validation": "~2.4.7",
-    "rc-input-number": "~2.0.1",
+    "rc-input-number": "~2.1.2",
     "rc-menu": "~4.6.0",
     "rc-notification": "~1.1.0",
     "rc-pagination": "~1.1.0",
diff --git a/style/components/inputNumber.less b/style/components/inputNumber.less
index e2813980d1..95c21e930f 100644
--- a/style/components/inputNumber.less
+++ b/style/components/inputNumber.less
@@ -24,6 +24,8 @@
     color: #999;
     position: relative;
     transition: all 0.1s linear;
+    display: block;
+    width: 100%;
     &:hover {
       background: #fefefe;
     }