diff --git a/dist/checkbox/index.wxml b/dist/checkbox/index.wxml
index d320d0f3..dcc47d56 100644
--- a/dist/checkbox/index.wxml
+++ b/dist/checkbox/index.wxml
@@ -1,7 +1,13 @@
 <view class="van-checkbox custom-class">
   <view class="van-checkbox__icon-wrap" bindtap="toggle">
     <slot wx:if="{{ useIconSlot }}" name="icon" />
-    <van-icon class="{{ iconClass }}" custom-class="icon-class" wx:else name="success" />
+    <van-icon
+      wx:else
+      name="success"
+      class="{{ iconClass }}"
+      custom-class="icon-class"
+      custom-style="line-height: 20px;"
+    />
   </view>
   <view class="van-checkbox__label van-checkbox__label--{{ labelPosition }} label-class" bindtap="onClickLabel">
     <slot />
diff --git a/dist/field/index.js b/dist/field/index.js
index 01934046..756f8ed2 100644
--- a/dist/field/index.js
+++ b/dist/field/index.js
@@ -24,7 +24,7 @@ VantComponent({
     customStyle: String,
     useIconSlot: Boolean,
     useButtonSlot: Boolean,
-    placeholderClass: String,
+    placeholderStyle: String,
     cursorSpacing: {
       type: Number,
       value: 50
diff --git a/dist/field/index.wxml b/dist/field/index.wxml
index 75f98e55..97223b3d 100644
--- a/dist/field/index.wxml
+++ b/dist/field/index.wxml
@@ -16,12 +16,12 @@
       class="{{ inputClass }}"
       focus="{{ focus }}"
       value="{{ value }}"
-      disabled="{{ disabled }}"
-      readonly="{{ readonly }}"
+      disabled="{{ disabled || readonly }}"
       maxlength="{{ maxlength }}"
-      placeholder="{{ placeholder }}"
       auto-height="{{ autosize }}"
-      placeholder-class="{{ placeholderClass }} {{ error ? 'van-field--error' : '' }}"
+      placeholder="{{ placeholder }}"
+      placeholder-style="{{ placeholderStyle }} "
+      placeholder-class="{{ error ? 'van-field--error' : '' }}"
       cursor-spacing="{{ cursorSpacing }}"
       bindinput="onInput"
       bind:blur="onBlur"
@@ -34,11 +34,11 @@
       type="{{ type }}"
       focus="{{ focus }}"
       value="{{ value }}"
-      disabled="{{ disabled }}"
-      readonly="{{ readonly }}"
+      disabled="{{ disabled || readonly }}"
       maxlength="{{ maxlength }}"
       placeholder="{{ placeholder }}"
-      placeholder-class="{{ placeholderClass }} {{ error ? 'van-field--error' : '' }}"
+      placeholder-style="{{ placeholderStyle }} "
+      placeholder-class="{{ error ? 'van-field--error' : '' }}"
       confirm-type="{{ confirmType }}"
       cursor-spacing="{{ cursorSpacing }}"
       bindinput="onInput"
diff --git a/dist/icon/index.js b/dist/icon/index.js
index b59cda11..b31a3003 100644
--- a/dist/icon/index.js
+++ b/dist/icon/index.js
@@ -5,6 +5,7 @@ VantComponent({
     name: String,
     size: String,
     color: String,
+    customStyle: String,
     classPrefix: {
       type: String,
       value: 'van-icon'
diff --git a/dist/icon/index.wxml b/dist/icon/index.wxml
index 2ea3e9fb..87553bae 100644
--- a/dist/icon/index.wxml
+++ b/dist/icon/index.wxml
@@ -1,6 +1,6 @@
 <view
   class="custom-class {{ classPrefix }} {{ classPrefix }}-{{ name }}"
-  style="{{ color ? 'color: ' + color : '' }}; {{ size ? 'font-size: ' + size : '' }}"
+  style="{{ color ? 'color: ' + color + ';' : '' }}{{ size ? 'font-size: ' + size + ';' : '' }}{{ customStyle }}"
   bind:tap="onClick"
 >
   <view wx:if="{{ info !== null }}" class="van-icon__info">{{ info }}</view>