diff --git a/src/button/index.less b/src/button/index.less
index 16610b51d..5f2ad00ae 100644
--- a/src/button/index.less
+++ b/src/button/index.less
@@ -102,7 +102,6 @@
   }
 
   &--small {
-    min-width: @button-small-min-width;
     height: @button-small-height;
     padding: 0 @padding-xs;
     font-size: @button-small-font-size;
@@ -114,8 +113,8 @@
   }
 
   &--mini {
-    min-width: @button-mini-min-width;
     height: @button-mini-height;
+    padding: 0 @padding-base;
     font-size: @button-mini-font-size;
 
     & + .van-button--mini {
diff --git a/src/style/var.less b/src/style/var.less
index f5e4c047e..54941ab33 100644
--- a/src/style/var.less
+++ b/src/style/var.less
@@ -107,12 +107,10 @@
 @address-list-edit-icon-size: 20px;
 
 // Button
-@button-mini-height: 22px;
-@button-mini-min-width: 50px;
+@button-mini-height: 24px;
 @button-mini-font-size: @font-size-xs;
-@button-small-height: 30px;
+@button-small-height: 32px;
 @button-small-font-size: @font-size-sm;
-@button-small-min-width: 60px;
 @button-normal-font-size: @font-size-md;
 @button-large-height: 50px;
 @button-default-height: 44px;