diff --git a/components/datepicker/index.jsx b/components/datepicker/index.jsx
index 8c02c7ba65..68d5f790f5 100644
--- a/components/datepicker/index.jsx
+++ b/components/datepicker/index.jsx
@@ -44,7 +44,7 @@ function createPicker(TheCalendar) {
         align: {
           points: ['tl', 'tl'],
           overflow: { adjustX: 0, adjustY: 0 },
-          offset: [0, -8],
+          offset: [0, -10],
           targetOffset: [0, 0]
         }
       };
diff --git a/style/components/datepicker/Picker.less b/style/components/datepicker/Picker.less
index 1523a59a95..8b36f150e1 100644
--- a/style/components/datepicker/Picker.less
+++ b/style/components/datepicker/Picker.less
@@ -10,6 +10,7 @@
   position: relative;
   display: inline-block;
   outline: none;
+  font-size: @font-size-base;
 
   > input {
     outline: none;