diff --git a/packages/common/style/var.less b/packages/common/style/var.less
index 8a2b3e26..e7b5c5f7 100644
--- a/packages/common/style/var.less
+++ b/packages/common/style/var.less
@@ -415,8 +415,8 @@
 @submit-bar-background-color: @white;
 @submit-bar-button-width: 110px;
 @submit-bar-price-color: @red;
-@submit-bar-price-font-size: 18px;
-@submit-bar-currency-font-size: 14px;
+@submit-bar-price-font-size: @font-size-sm;
+@submit-bar-currency-font-size: @font-size-sm;
 @submit-bar-text-color: @text-color;
 @submit-bar-text-font-size: 14px;
 @submit-bar-tip-padding: 10px;
@@ -425,6 +425,10 @@
 @submit-bar-tip-color: #f56723;
 @submit-bar-tip-background-color: #fff7cc;
 @submit-bar-tip-icon-size: 12px;
+@submit-bar-button-height: 40px;
+@submit-bar-padding: 0 @padding-md;
+@submit-bar-price-integer-font-size: 20px;
+@submit-bar-price-font-family: @price-integer-font-family;
 
 // Tabbar
 @tabbar-height: 50px;
diff --git a/packages/submit-bar/index.less b/packages/submit-bar/index.less
index 0f39780c..44584a1f 100644
--- a/packages/submit-bar/index.less
+++ b/packages/submit-bar/index.less
@@ -40,6 +40,7 @@
     display: flex;
     align-items: center;
     justify-content: flex-end;
+    .theme(padding, '@submit-bar-padding');
     .theme(height, '@submit-bar-height');
     .theme(font-size, '@submit-bar-text-font-size');
     .theme(background-color, '@submit-bar-background-color');
@@ -60,7 +61,13 @@
 
   &__price {
     .theme(color, '@submit-bar-price-color');
+    .theme(font-weight, '@font-weight-bold');
     .theme(font-size, '@submit-bar-price-font-size');
+
+    &-integer {
+      font-size: @submit-bar-price-integer-font-size;
+      font-family: @submit-bar-price-font-family;
+    }
   }
 
   &__currency {
@@ -72,6 +79,9 @@
   }
 
   &__button {
-    .theme(width, '@submit-bar-button-width');
+    .theme(width,'@submit-bar-button-width');
+    .theme(font-weight, '@font-weight-bold');
+    .theme(--button-default-height, '@submit-bar-button-height') !important;
+    .theme(--button-line-height, '@submit-bar-button-height') !important;
   }
 }
diff --git a/packages/submit-bar/index.ts b/packages/submit-bar/index.ts
index 307d470b..8584c85c 100644
--- a/packages/submit-bar/index.ts
+++ b/packages/submit-bar/index.ts
@@ -46,9 +46,11 @@ VantComponent({
   methods: {
     updatePrice() {
       const { price, decimalLength } = this.data;
+      const priceStrArr = typeof price === 'number' && (price / 100).toFixed(decimalLength).split('.');
       this.setData({
         hasPrice: typeof price === 'number',
-        priceStr: (price / 100).toFixed(decimalLength)
+        integerStr: priceStrArr && priceStrArr[0],
+        decimalStr: decimalLength && priceStrArr ? `.${priceStrArr[1]}` : ''
       });
     },
 
diff --git a/packages/submit-bar/index.wxml b/packages/submit-bar/index.wxml
index 4cdbd18d..7a623f70 100644
--- a/packages/submit-bar/index.wxml
+++ b/packages/submit-bar/index.wxml
@@ -22,18 +22,18 @@
       <text>{{ label || '合计：' }}</text>
       <text class="van-submit-bar__price price-class">
         <text class="van-submit-bar__currency">{{ currency }} </text>
-        <text>{{ priceStr }}</text>
+        <text class="van-submit-bar__price-integer">{{ integerStr }}</text><text>{{decimalStr}}</text>
       </text>
       <text class="van-submit-bar__suffix-label">{{ suffixLabel }}</text>
     </view>
     <van-button
-      square
-      size="large"
+      round
       type="{{ buttonType }}"
       loading="{{ loading }}"
       disabled="{{ disabled }}"
       class="van-submit-bar__button"
       custom-class="button-class"
+      custom-style="width: 100%;"
       bind:click="onSubmit"
     >
       {{ loading ? '' : buttonText }}