diff --git a/components/time-picker/style/index.less b/components/time-picker/style/index.less
index 980ec3c4d1..28e1adecd3 100644
--- a/components/time-picker/style/index.less
+++ b/components/time-picker/style/index.less
@@ -184,10 +184,10 @@
   outline: none;
   font-size: @font-size-base;
   transition: opacity 0.3s ease;
+  width: 100px;
 
   &-input {
     .input;
-    width: 100px;
   }
 
   &-large &-input {