diff --git a/src/components/modal/confirm.js b/src/components/modal/confirm.js
index 379e2d6d..193069b3 100644
--- a/src/components/modal/confirm.js
+++ b/src/components/modal/confirm.js
@@ -31,8 +31,7 @@ Modal.newInstance = properties => {
             if (this.showCancel) {
                 footerVNodes.push(h(Button, {
                     props: {
-                        type: 'text',
-                        size: 'large'
+                        type: 'text'
                     },
                     on: {
                         click: this.cancel
@@ -42,7 +41,6 @@ Modal.newInstance = properties => {
             footerVNodes.push(h(Button, {
                 props: {
                     type: 'primary',
-                    size: 'large',
                     loading: this.buttonLoading
                 },
                 on: {
diff --git a/src/components/modal/modal.vue b/src/components/modal/modal.vue
index 61308669..ce7a8d3d 100644
--- a/src/components/modal/modal.vue
+++ b/src/components/modal/modal.vue
@@ -19,8 +19,8 @@
                         <div :class="[prefixCls + '-body']"><slot></slot></div>
                         <div :class="[prefixCls + '-footer']" v-if="!footerHide">
                             <slot name="footer">
-                                <i-button type="text" size="large" @click.native="cancel">{{ localeCancelText }}</i-button>
-                                <i-button type="primary" size="large" :loading="buttonLoading" @click.native="ok">{{ localeOkText }}</i-button>
+                                <i-button type="text" @click.native="cancel">{{ localeCancelText }}</i-button>
+                                <i-button type="primary" :loading="buttonLoading" @click.native="ok">{{ localeOkText }}</i-button>
                             </slot>
                         </div>
                     </div>
diff --git a/src/styles/components/modal.less b/src/styles/components/modal.less
index 7ecb1aec..149f5fd7 100644
--- a/src/styles/components/modal.less
+++ b/src/styles/components/modal.less
@@ -68,7 +68,7 @@
 
     &-body {
         padding: 16px;
-        font-size: 12px;
+        font-size: @font-size-base;
         line-height: 1.5;
     }
 
@@ -140,7 +140,7 @@
 }
 
 .@{confirm-prefix-cls} {
-    padding: 0 4px;
+    padding: 6px 16px 8px;
     &-head {
         padding: 0 12px 0 0;
         &-icon {
@@ -173,7 +173,7 @@
             margin-left: 12px;
             font-size: @font-size-large;
             color: @title-color;
-            font-weight: 700;
+            font-weight: 500;
         }
     }
 
@@ -198,4 +198,4 @@
             margin-bottom: 0;
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/styles/mixins/content.less b/src/styles/mixins/content.less
index c9d65cdf..08465aca 100644
--- a/src/styles/mixins/content.less
+++ b/src/styles/mixins/content.less
@@ -12,9 +12,9 @@
         width: 100%;
         height: 20px;
         line-height: 20px;
-        font-size: @font-size-base;
+        font-size: @font-size-large;
         color: @title-color;
-        font-weight: bold;
+        font-weight: 500;
         overflow: hidden;
         text-overflow: ellipsis;
         white-space: nowrap;
@@ -35,4 +35,4 @@
     .@{icon-prefix-cls}-ios-close {
         .close-base(@top, @icon-font-size);
     }
-}
\ No newline at end of file
+}