diff --git a/src/avatar/avatar.wxml b/src/avatar/avatar.wxml
index 5cd139be9..e908f5ad3 100644
--- a/src/avatar/avatar.wxml
+++ b/src/avatar/avatar.wxml
@@ -7,14 +7,14 @@
   style="{{_._style([this.getStyles(isShow, zIndex), style, customStyle])}}"
 >
   <t-badge
-    color="{{badgeProps.color}}"
-    content="{{badgeProps.content}}"
-    count="{{badgeProps.count}}"
-    dot="{{badgeProps.dot}}"
+    color="{{badgeProps.color || ''}}"
+    content="{{badgeProps.content || ''}}"
+    count="{{badgeProps.count || 0}}"
+    dot="{{badgeProps.dot || false}}"
     max-count="{{badgeProps.maxCount || 99}}"
-    offset="{{badgeProps.offset}}"
+    offset="{{badgeProps.offset || []}}"
     shape="{{badgeProps.shape || 'circle'}}"
-    show-zero="{{badgeProps.showZero}}"
+    show-zero="{{badgeProps.showZero || false}}"
     size="{{badgeProps.size || 'medium'}}"
     t-class="{{badgeProps.tClass}}"
     t-class-content="{{badgeProps.tClassContent}}"
@@ -31,14 +31,14 @@
         wx:if="{{image}}"
         t-class="{{prefix}}-image {{classPrefix}}__image"
         t-class-load="{{prefix}}-class-alt"
-        style="{{imageProps.style}}"
+        style="{{imageProps.style || ''}}"
         src="{{image}}"
         mode="{{imageProps.mode || 'aspectFill'}}"
-        lazy="{{imageProps.lazy}}"
-        loading="{{imageProps.loading}}"
+        lazy="{{imageProps.lazy || false}}"
+        loading="{{imageProps.loading || 'default'}}"
         shape="{{imageProps.shape || 'round'}}"
-        webp="{{imageProps.webp}}"
-        error="{{alt}}"
+        webp="{{imageProps.webp || false}}"
+        error="{{alt || 'default'}}"
         bind:error="onLoadError"
       />
       <template
diff --git a/src/button/button.wxml b/src/button/button.wxml
index 6b5422c38..1e57bb661 100644
--- a/src/button/button.wxml
+++ b/src/button/button.wxml
@@ -41,10 +41,10 @@
     inheritColor="{{loadingProps.indicator || false}}"
     layout="{{loadingProps.layout || 'horizontal'}}"
     pause="{{loadingProps.pause || false}}"
-    progress="{{loadingProps.progress}}"
-    reverse="{{loadingProps.reverse}}"
+    progress="{{loadingProps.progress || 0}}"
+    reverse="{{loadingProps.reverse || false}}"
     size="{{loadingProps.size || '40rpx'}}"
-    text="{{loadingProps.text }}"
+    text="{{loadingProps.text || '' }}"
     theme="{{loadingProps.theme || 'circular'}}"
     loading
     t-class="{{classPrefix}}__loading {{classPrefix}}__loading--wrapper"
diff --git a/src/calendar/__test__/__snapshots__/index.test.js.snap b/src/calendar/__test__/__snapshots__/index.test.js.snap
index 704affade..87c459d76 100644
--- a/src/calendar/__test__/__snapshots__/index.test.js.snap
+++ b/src/calendar/__test__/__snapshots__/index.test.js.snap
@@ -41,7 +41,7 @@ exports[`calendar :base 1`] = `
                 ariaLabel="关闭"
                 ariaRole="button"
                 class="t-icon class t-class"
-                style="font-size: 24px;"
+                style="color: inherit; font-size: 24px;"
                 bind:tap="onTap"
               >
                 <wx-label
@@ -756,10 +756,10 @@ exports[`calendar :base 1`] = `
                   data-custom="{{null}}"
                   formType=""
                   hoverClass="t-button--hover"
-                  hoverStartTime="{{0}}"
-                  hoverStayTime="{{0}}"
+                  hoverStartTime="{{20}}"
+                  hoverStayTime="{{70}}"
                   hoverStopPropagation="{{false}}"
-                  lang=""
+                  lang="en"
                   openType=""
                   sendMessageImg=""
                   sendMessagePath=""
diff --git a/src/cell/__test__/__snapshots__/index.test.js.snap b/src/cell/__test__/__snapshots__/index.test.js.snap
index ffbaf2db3..ff856dae6 100644
--- a/src/cell/__test__/__snapshots__/index.test.js.snap
+++ b/src/cell/__test__/__snapshots__/index.test.js.snap
@@ -41,7 +41,7 @@ exports[`cell :base 1`] = `
             ariaLabel=""
             ariaRole=""
             class="t-icon class t-class"
-            style=""
+            style="color: inherit; font-size: inherit;"
             bind:tap="onTap"
           >
             <wx-label
diff --git a/src/collapse/__test__/__snapshots__/index.test.js.snap b/src/collapse/__test__/__snapshots__/index.test.js.snap
index e507de36c..5366228f4 100644
--- a/src/collapse/__test__/__snapshots__/index.test.js.snap
+++ b/src/collapse/__test__/__snapshots__/index.test.js.snap
@@ -65,7 +65,7 @@ exports[`collapse :defaultExpandAll 1`] = `
                     ariaLabel=""
                     ariaRole=""
                     class="t-icon class t-class"
-                    style=""
+                    style="color: inherit; font-size: inherit;"
                     bind:tap="onTap"
                   >
                     <wx-label
@@ -150,7 +150,7 @@ exports[`collapse :defaultExpandAll 1`] = `
                     ariaLabel=""
                     ariaRole=""
                     class="t-icon class t-class"
-                    style=""
+                    style="color: inherit; font-size: inherit;"
                     bind:tap="onTap"
                   >
                     <wx-label
diff --git a/src/common/template/badge.wxml b/src/common/template/badge.wxml
index 4b2b4f2c7..df8c7177c 100644
--- a/src/common/template/badge.wxml
+++ b/src/common/template/badge.wxml
@@ -1,13 +1,13 @@
 <template name="badge">
   <t-badge
-    color="{{color}}"
-    content="{{content}}"
+    color="{{color || ''}}"
+    content="{{content || ''}}"
     count="{{count || 0}}"
-    dot="{{dot}}"
+    dot="{{dot || false}}"
     max-count="{{maxCount || 99}}"
-    offset="{{offset}}"
+    offset="{{offset || []}}"
     shape="{{shape || 'circle'}}"
-    show-zero="{{showZero}}"
+    show-zero="{{showZero || false}}"
     size="{{size || 'medium'}}"
     t-class="{{class}} {{tClass}}"
     t-class-content="{{tClassContent}}"
diff --git a/src/common/template/button.wxml b/src/common/template/button.wxml
index 7bc9b0c98..173e8bb80 100644
--- a/src/common/template/button.wxml
+++ b/src/common/template/button.wxml
@@ -1,29 +1,29 @@
 <template name="button">
   <t-button
-    block="{{block}}"
-    class="{{class}}"
+    block="{{block || false}}"
+    class="{{class || ''}}"
     t-class="{{externalClass}}"
-    disabled="{{disabled}}"
+    disabled="{{disabled || false}}"
     data-type="{{type}}"
     data-extra="{{extra}}"
-    icon="{{icon}}"
-    loading="{{loading}}"
-    theme="{{theme}}"
-    ghost="{{ghost}}"
-    shape="{{shape}}"
-    size="{{size}}"
-    variant="{{variant}}"
-    open-type="{{openType}}"
-    hover-stop-propagation="{{hoverStopPropagation}}"
-    hover-start-time="{{hoverStartTime}}"
-    hover-stay-time="{{hoverStayTime}}"
-    lang="{{lang}}"
-    session-from="{{sessionFrom}}"
-    send-message-title="{{sendMessageTitle}}"
-    send-message-path="{{sendMessagePath}}"
-    send-message-img="{{sendMessageImg}}"
-    app-parameter="{{appParameter}}"
-    show-message-card="{{showMessageCard}}"
+    icon="{{icon || ''}}"
+    loading="{{loading || false}}"
+    theme="{{theme || 'default'}}"
+    ghost="{{ghost || false}}"
+    shape="{{shape || 'rectangle'}}"
+    size="{{size || 'medium'}}"
+    variant="{{variant || 'base'}}"
+    open-type="{{openType || ''}}"
+    hover-stop-propagation="{{hoverStopPropagation || false}}"
+    hover-start-time="{{hoverStartTime || 20}}"
+    hover-stay-time="{{hoverStayTime || 70}}"
+    lang="{{lang || 'en'}}"
+    session-from="{{sessionFrom || ''}}"
+    send-message-title="{{sendMessageTitle || ''}}"
+    send-message-path="{{sendMessagePath || ''}}"
+    send-message-img="{{sendMessageImg || ''}}"
+    app-parameter="{{appParameter || ''}}"
+    show-message-card="{{showMessageCard || false}}"
     bind:tap="onTplButtonTap"
     bind:getuserinfo="onTplButtonTap"
     bind:contact="onTplButtonTap"
@@ -31,7 +31,7 @@
     bind:error="onTplButtonTap"
     bind:opensetting="onTplButtonTap"
     bind:launchapp="onTplButtonTap"
-    aria-label="{{ariaLabel}}"
+    aria-label="{{ariaLabel || ''}}"
     >{{content}}</t-button
   >
 </template>
diff --git a/src/common/template/icon.wxml b/src/common/template/icon.wxml
index 06aca702f..ad3d71215 100644
--- a/src/common/template/icon.wxml
+++ b/src/common/template/icon.wxml
@@ -1,15 +1,15 @@
 <template name="icon">
   <t-icon
-    style="{{style}}"
+    style="{{style || ''}}"
     class="{{class}}"
     t-class="{{tClass}}"
-    prefix="{{prefix}}"
-    name="{{name}}"
-    size="{{size}}"
-    color="{{color}}"
-    aria-hidden="{{ariaHidden}}"
-    aria-label="{{ariaLabel}}"
-    aria-role="{{ariaRole}}"
+    prefix="{{prefix || ''}}"
+    name="{{name || ''}}"
+    size="{{size || 'inherit'}}"
+    color="{{color || 'inherit'}}"
+    aria-hidden="{{ariaHidden || '' }}"
+    aria-label="{{ariaLabel || ''}}"
+    aria-role="{{ariaRole || ''}}"
     bind:click="{{bindclick || ''}}"
   />
 </template>
diff --git a/src/common/template/image.wxml b/src/common/template/image.wxml
index 84587fc48..cbbbc2ba8 100644
--- a/src/common/template/image.wxml
+++ b/src/common/template/image.wxml
@@ -1,14 +1,14 @@
 <template name="image">
   <t-image
-    style="{{style}}"
+    style="{{style || ''}}"
     error="{{error || 'default'}}"
-    lazy="{{lazy}}"
+    lazy="{{lazy || false}}"
     loading="{{count || 'default'}}"
     shape="{{shape || 'square'}}"
-    src="{{src}}"
+    src="{{src || ''}}"
     mode="{{mode || 'scaleToFill'}}"
-    webp="{{webp}}"
-    showMenuByLongpress="{{showMenuByLongpress}}"
+    webp="{{webp || false}}"
+    showMenuByLongpress="{{showMenuByLongpress || false}}"
     bind:error="{{binderror}}"
     bind:load="{{bindload}}"
     t-class="{{class}} {{tClass}}"
diff --git a/src/date-time-picker/_example/time/index.wxml b/src/date-time-picker/_example/time/index.wxml
index 81d74a958..2e2fa801c 100644
--- a/src/date-time-picker/_example/time/index.wxml
+++ b/src/date-time-picker/_example/time/index.wxml
@@ -2,7 +2,7 @@
 <t-cell
   title="选择时间"
   hover
-  note="{{secondText}}"
+  note="{{secondText || ''}}"
   arrow
   data-mode="second"
   bindtap="showPicker"
@@ -13,7 +13,7 @@
 <t-cell
   title="选择时间"
   hover
-  note="{{minuteText}}"
+  note="{{minuteText || ''}}"
   arrow
   data-mode="minute"
   bindtap="showPicker"
diff --git a/src/drawer/__test__/__snapshots__/demo.test.js.snap b/src/drawer/__test__/__snapshots__/demo.test.js.snap
index 826715263..b37b24324 100644
--- a/src/drawer/__test__/__snapshots__/demo.test.js.snap
+++ b/src/drawer/__test__/__snapshots__/demo.test.js.snap
@@ -12,7 +12,7 @@ exports[`Drawer Drawer base demo works fine 1`] = `
     基础抽屉
   </t-button>
   <t-drawer
-    items=""
+    items="{{Array []}}"
     placement="left"
     visible=""
     bind:item-click="itemClick"
@@ -33,49 +33,7 @@ exports[`Drawer Drawer footer demo works fine 1`] = `
     带底部插槽
   </t-button>
   <t-drawer
-    items="{{
-      Array [
-        Object {
-          "title": "菜单一",
-        },
-        Object {
-          "title": "菜单二",
-        },
-        Object {
-          "title": "菜单三",
-        },
-        Object {
-          "title": "菜单四",
-        },
-        Object {
-          "title": "菜单五",
-        },
-        Object {
-          "title": "菜单六",
-        },
-        Object {
-          "title": "菜单七",
-        },
-        Object {
-          "title": "菜单八",
-        },
-        Object {
-          "title": "菜单四",
-        },
-        Object {
-          "title": "菜单五",
-        },
-        Object {
-          "title": "菜单六",
-        },
-        Object {
-          "title": "菜单七",
-        },
-        Object {
-          "title": "菜单八",
-        },
-      ]
-    }}"
+    items="{{Array []}}"
     placement="left"
     title="标题"
     visible="{{false}}"
@@ -110,7 +68,7 @@ exports[`Drawer Drawer icon-drawer demo works fine 1`] = `
     带图标抽屉
   </t-button>
   <t-drawer
-    items=""
+    items="{{Array []}}"
     placement="left"
     visible=""
     bind:item-click="itemClick"
@@ -131,7 +89,7 @@ exports[`Drawer Drawer title demo works fine 1`] = `
     带标题抽屉
   </t-button>
   <t-drawer
-    items=""
+    items="{{Array []}}"
     placement="left"
     title="标题"
     visible=""
diff --git a/src/drawer/_example/base/index.js b/src/drawer/_example/base/index.js
index a0008f046..d9fcf7f51 100644
--- a/src/drawer/_example/base/index.js
+++ b/src/drawer/_example/base/index.js
@@ -1,6 +1,7 @@
 Component({
   data: {
     placement: 'left',
+    sidebar: [],
     baseSidebar: [
       {
         title: '菜单一',
diff --git a/src/drawer/_example/footer/index.js b/src/drawer/_example/footer/index.js
index 1ef33ad9b..b9b2f47ca 100644
--- a/src/drawer/_example/footer/index.js
+++ b/src/drawer/_example/footer/index.js
@@ -2,6 +2,7 @@ Component({
   data: {
     visible: false,
     placement: 'left',
+    sidebar: [],
     baseSidebar: [
       {
         title: '菜单一',
diff --git a/src/drawer/_example/footer/index.wxml b/src/drawer/_example/footer/index.wxml
index d53a98dbc..cc444eb3c 100644
--- a/src/drawer/_example/footer/index.wxml
+++ b/src/drawer/_example/footer/index.wxml
@@ -4,7 +4,7 @@
   visible="{{visible}}"
   placement="{{placement}}"
   title="标题"
-  items="{{baseSidebar}}"
+  items="{{sidebar}}"
   bind:overlay-click="overlayClick"
   bind:item-click="itemClick"
 >
diff --git a/src/drawer/_example/icon-drawer/index.js b/src/drawer/_example/icon-drawer/index.js
index 8e87afe60..c7763e5f6 100644
--- a/src/drawer/_example/icon-drawer/index.js
+++ b/src/drawer/_example/icon-drawer/index.js
@@ -1,6 +1,7 @@
 Component({
   data: {
     placement: 'left',
+    sidebar: [],
     iconSidebar: [
       {
         title: '菜单一',
diff --git a/src/drawer/_example/title/index.js b/src/drawer/_example/title/index.js
index ec74ec091..c478a4db6 100644
--- a/src/drawer/_example/title/index.js
+++ b/src/drawer/_example/title/index.js
@@ -1,6 +1,7 @@
 Component({
   data: {
     placement: 'left',
+    sidebar: [],
     baseSidebar: [
       {
         title: '菜单一',
diff --git a/src/grid-item/grid-item.ts b/src/grid-item/grid-item.ts
index eed306ae0..79c387e2f 100644
--- a/src/grid-item/grid-item.ts
+++ b/src/grid-item/grid-item.ts
@@ -51,7 +51,6 @@ export default class GridItem extends SuperComponent {
     gridItemWrapperStyle: '',
     gridItemContentStyle: '',
     align: 'center',
-    layout: 'vertical',
     column: 0,
     labelID: '',
   };
diff --git a/src/grid-item/grid-item.wxml b/src/grid-item/grid-item.wxml
index 2244ec502..79af83fc4 100644
--- a/src/grid-item/grid-item.wxml
+++ b/src/grid-item/grid-item.wxml
@@ -23,14 +23,14 @@
       <slot />
       <t-badge
         wx:if="{{image || icon}}"
-        color="{{badgeProps.color}}"
-        content="{{badgeProps.content}}"
-        count="{{badgeProps.count}}"
-        dot="{{badgeProps.dot}}"
+        color="{{badgeProps.color || ''}}"
+        content="{{badgeProps.content || ''}}"
+        count="{{badgeProps.count || 0}}"
+        dot="{{badgeProps.dot || false}}"
         max-count="{{badgeProps.maxCount || 99}}"
-        offset="{{badgeProps.offset}}"
+        offset="{{badgeProps.offset || []}}"
         shape="{{badgeProps.shape || 'circle'}}"
-        show-zero="{{badgeProps.showZero}}"
+        show-zero="{{badgeProps.showZero || false}}"
         size="{{badgeProps.size || 'medium'}}"
         t-class="{{badgeProps.tClass}}"
         t-class-content="{{badgeProps.tClassContent}}"
diff --git a/src/icon/README.md b/src/icon/README.md
index 6327be6c5..dfc4eb2e9 100644
--- a/src/icon/README.md
+++ b/src/icon/README.md
@@ -90,7 +90,7 @@ isComponent: true
 | ----------- | -------- | ---------- | ---- |----------------------------------------------------------------- |
 | name        | String | -         | Y    | 图标名称或图片链接                           |
 | size        | String | inherit   | N    | 图标大小, 如 `20`, `20px`, `48rpx`, 默认单位是 `px` |
-| color       | String | initial   | N    | 图标颜色                                                          |
+| color       | String | inherit   | N    | 图标颜色                                                          |
 | prefix      | String | -         | N    | 自定义图标前缀                                                    |
 | external-classes | Array | - | 组件类名，分别用于设置 组件外层元素、图片图标、基础图标等元素类名。`['t-class']` | N
 
diff --git a/src/icon/props.ts b/src/icon/props.ts
index d536f6e4d..173e5ae30 100644
--- a/src/icon/props.ts
+++ b/src/icon/props.ts
@@ -10,7 +10,7 @@ const props: TdIconProps = {
   /** 图标颜色 */
   color: {
     type: String,
-    value: '',
+    value: 'inherit',
   },
   /** 图标名称 */
   name: {
@@ -21,7 +21,7 @@ const props: TdIconProps = {
   /** 图标尺寸，支持 'small', 'medium', 'large'，'35px', '3em' 等 */
   size: {
     type: String,
-    value: undefined,
+    value: 'inherit',
   },
   /** 自定义图标前缀 */
   prefix: {
diff --git a/src/image/__test__/__snapshots__/index.test.js.snap b/src/image/__test__/__snapshots__/index.test.js.snap
index f89a21495..d6fb08010 100644
--- a/src/image/__test__/__snapshots__/index.test.js.snap
+++ b/src/image/__test__/__snapshots__/index.test.js.snap
@@ -18,7 +18,7 @@ exports[`image :base 1`] = `
             ariaLabel="加载失败"
             ariaRole="img"
             class="t-icon class t-class"
-            style=""
+            style="color: inherit; font-size: inherit;"
             bind:tap="onTap"
           >
             <wx-label
diff --git a/src/input/__test__/__snapshots__/index.test.js.snap b/src/input/__test__/__snapshots__/index.test.js.snap
index 8b4bedbf4..f7d34e5a9 100644
--- a/src/input/__test__/__snapshots__/index.test.js.snap
+++ b/src/input/__test__/__snapshots__/index.test.js.snap
@@ -77,7 +77,7 @@ exports[`input props : clearable && label && suffix 1`] = `
               ariaLabel="清除"
               ariaRole="button"
               class="t-icon class t-class"
-              style=""
+              style="color: inherit; font-size: inherit;"
               bind:tap="onTap"
             >
               <wx-label
@@ -108,7 +108,7 @@ exports[`input props : clearable && label && suffix 1`] = `
               ariaLabel=""
               ariaRole="button"
               class="t-icon class t-class"
-              style=""
+              style="color: inherit; font-size: inherit;"
               bind:tap="onTap"
             >
               <wx-label
diff --git a/src/message/__test__/__snapshots__/index.test.js.snap b/src/message/__test__/__snapshots__/index.test.js.snap
index 91656d628..7a41e772d 100644
--- a/src/message/__test__/__snapshots__/index.test.js.snap
+++ b/src/message/__test__/__snapshots__/index.test.js.snap
@@ -48,7 +48,7 @@ exports[`message props : style && customStyle 1`] = `
             ariaLabel=""
             ariaRole=""
             class="t-icon class t-class"
-            style=""
+            style="color: inherit; font-size: inherit;"
             bind:tap="onTap"
           >
             <wx-label
@@ -84,7 +84,7 @@ exports[`message props : style && customStyle 1`] = `
             ariaLabel="关闭"
             ariaRole="button"
             class="t-icon class t-class"
-            style=""
+            style="color: inherit; font-size: inherit;"
             bind:tap="onTap"
           >
             <wx-label
diff --git a/src/message/__test__/index.test.js b/src/message/__test__/index.test.js
index 496a49d8e..307a5943e 100644
--- a/src/message/__test__/index.test.js
+++ b/src/message/__test__/index.test.js
@@ -137,14 +137,14 @@ describe('message', () => {
         context: $message.instance,
         offset: [20, 32],
         marquee: { speed: 100, loop: 3, delay: 0 },
-        icon: '',
+        icon: false,
         content: 'icon 使用空值',
-        duration: 10,
+        duration: 0,
       });
       await simulate.sleep(540);
       // icon 为空
       const $prefixIcon = comp.querySelector('#t-message >>> .t-message__icon--left');
-      expect($prefixIcon).toBeUndefined();
+      expect($prefixIcon.dom.innerHTML).toBe('');
       Message.hide();
       await simulate.sleep(500);
       expect($message.instance.data.visible).toBe(false);
diff --git a/src/message/message.ts b/src/message/message.ts
index c6664117f..23d200ede 100644
--- a/src/message/message.ts
+++ b/src/message/message.ts
@@ -31,7 +31,6 @@ export default class Message extends SuperComponent {
   data = {
     prefix,
     classPrefix: name,
-    visible: false,
     loop: -1,
     animation: [],
     showAnimation: [],
diff --git a/src/notice-bar/__test__/__snapshots__/index.test.js.snap b/src/notice-bar/__test__/__snapshots__/index.test.js.snap
index 7a851cc5e..e33b84446 100644
--- a/src/notice-bar/__test__/__snapshots__/index.test.js.snap
+++ b/src/notice-bar/__test__/__snapshots__/index.test.js.snap
@@ -23,7 +23,7 @@ exports[`notice-bar props : marquee 1`] = `
             ariaLabel=""
             ariaRole=""
             class="t-icon class t-class"
-            style=""
+            style="color: inherit; font-size: inherit;"
             bind:tap="onTap"
           >
             <wx-label
diff --git a/src/popup/__test__/__snapshots__/demo.test.js.snap b/src/popup/__test__/__snapshots__/demo.test.js.snap
index 2a13d90a3..78b71e956 100644
--- a/src/popup/__test__/__snapshots__/demo.test.js.snap
+++ b/src/popup/__test__/__snapshots__/demo.test.js.snap
@@ -3,7 +3,7 @@
 exports[`Popup Popup base demo works fine 1`] = `
 <base>
   <t-popup
-    placement=""
+    placement="top"
     visible=""
     bind:visible-change="onVisibleChange"
   >
diff --git a/src/popup/_example/base/index.wxml b/src/popup/_example/base/index.wxml
index dfd05b4d7..afd9a94eb 100644
--- a/src/popup/_example/base/index.wxml
+++ b/src/popup/_example/base/index.wxml
@@ -1,4 +1,4 @@
-<t-popup visible="{{visible}}" bind:visible-change="onVisibleChange" placement="{{cur.value}}">
+<t-popup visible="{{visible}}" bind:visible-change="onVisibleChange" placement="{{cur.value || 'top'}}">
   <view class="block block--{{cur.value}}">{{cur.text}}</view>
 </t-popup>
 
diff --git a/src/progress/_example/progress.wxml b/src/progress/_example/progress.wxml
index dabe8d3b5..61bfc4dfc 100644
--- a/src/progress/_example/progress.wxml
+++ b/src/progress/_example/progress.wxml
@@ -4,7 +4,7 @@
   <t-demo title="01 组件类型" desc="基础进度条" padding>
     <base />
   </t-demo>
-  <t-demo desc="过度样式" padding>
+  <t-demo desc="过渡样式" padding>
     <transition />
   </t-demo>
   <t-demo desc="自定义颜色/圆角" padding>
diff --git a/src/pull-down-refresh/pull-down-refresh.wxml b/src/pull-down-refresh/pull-down-refresh.wxml
index 306743ddd..21b790d4e 100644
--- a/src/pull-down-refresh/pull-down-refresh.wxml
+++ b/src/pull-down-refresh/pull-down-refresh.wxml
@@ -29,8 +29,8 @@
         layout="{{loadingProps.layout || 'horizontal'}}"
         loading="{{loadingProps.loading || true}}"
         pause="{{loadingProps.pause || false}}"
-        progress="{{loadingProps.progress}}"
-        reverse="{{loadingProps.reverse}}"
+        progress="{{loadingProps.progress || 0}}"
+        reverse="{{loadingProps.reverse || false}}"
         size="{{loadingProps.size || '50rpx'}}"
         text="{{loadingProps.text || loadingTexts[refreshStatus]}}"
         theme="{{loadingProps.theme || 'circular'}}"
diff --git a/src/result/__test__/__snapshots__/demo.test.js.snap b/src/result/__test__/__snapshots__/demo.test.js.snap
index 9d0513693..48f613fe6 100644
--- a/src/result/__test__/__snapshots__/demo.test.js.snap
+++ b/src/result/__test__/__snapshots__/demo.test.js.snap
@@ -76,7 +76,6 @@ exports[`Result Result theme demo works fine 1`] = `
       class="demo-section__content"
     >
       <t-result
-        description=""
         theme="success"
         title="成功状态"
       />
@@ -87,7 +86,6 @@ exports[`Result Result theme demo works fine 1`] = `
       class="demo-section__content"
     >
       <t-result
-        description=""
         theme="error"
         title="失败状态"
       />
@@ -98,7 +96,6 @@ exports[`Result Result theme demo works fine 1`] = `
       class="demo-section__content"
     >
       <t-result
-        description=""
         theme="warning"
         title="警示状态"
       />
@@ -109,7 +106,6 @@ exports[`Result Result theme demo works fine 1`] = `
       class="demo-section__content"
     >
       <t-result
-        description=""
         theme="default"
         title="默认状态"
       />
diff --git a/src/result/_example/theme/index.wxml b/src/result/_example/theme/index.wxml
index 8597e5815..bf60b0b30 100644
--- a/src/result/_example/theme/index.wxml
+++ b/src/result/_example/theme/index.wxml
@@ -1,5 +1,5 @@
 <view wx:for="{{resultList}}" wx:for-item="item" wx:key="index">
   <view class="demo-section__content">
-    <t-result theme="{{item.theme}}" title="{{item.title}}" description="{{item.description}}" />
+    <t-result theme="{{item.theme}}" title="{{item.title}}" />
   </view>
 </view>
diff --git a/src/search/__test__/__snapshots__/index.test.js.snap b/src/search/__test__/__snapshots__/index.test.js.snap
index f3abf4ef5..51bd75615 100644
--- a/src/search/__test__/__snapshots__/index.test.js.snap
+++ b/src/search/__test__/__snapshots__/index.test.js.snap
@@ -20,7 +20,7 @@ exports[`search Props :base 1`] = `
             ariaLabel=""
             ariaRole=""
             class="t-icon class t-class"
-            style="font-size: 24px;"
+            style="color: inherit; font-size: 24px;"
             bind:tap="onTap"
           >
             <wx-label
diff --git a/src/side-bar/__test__/__snapshots__/demo.test.js.snap b/src/side-bar/__test__/__snapshots__/demo.test.js.snap
index f6b6faaa4..884767ddc 100644
--- a/src/side-bar/__test__/__snapshots__/demo.test.js.snap
+++ b/src/side-bar/__test__/__snapshots__/demo.test.js.snap
@@ -10,7 +10,7 @@ exports[`SideBar SideBar base demo works fine 1`] = `
       bind:change="onSideBarChange"
     >
       <t-side-bar-item
-        badgeProps=""
+        badgeProps="{{Object {}}}"
         label="选项选项选项选项"
         value="{{0}}"
       />
@@ -24,7 +24,7 @@ exports[`SideBar SideBar base demo works fine 1`] = `
         value="{{1}}"
       />
       <t-side-bar-item
-        badgeProps=""
+        badgeProps="{{Object {}}}"
         label="选项"
         value="{{2}}"
       />
@@ -38,7 +38,7 @@ exports[`SideBar SideBar base demo works fine 1`] = `
         value="{{3}}"
       />
       <t-side-bar-item
-        badgeProps=""
+        badgeProps="{{Object {}}}"
         label="选项"
         value="{{4}}"
       />
@@ -525,7 +525,7 @@ exports[`SideBar SideBar custom demo works fine 1`] = `
       bind:change="onSideBarChange"
     >
       <t-side-bar-item
-        badgeProps=""
+        badgeProps="{{Object {}}}"
         label="选项选项"
         value="{{0}}"
       />
@@ -539,7 +539,7 @@ exports[`SideBar SideBar custom demo works fine 1`] = `
         value="{{1}}"
       />
       <t-side-bar-item
-        badgeProps=""
+        badgeProps="{{Object {}}}"
         label="选项"
         value="{{2}}"
       />
@@ -553,7 +553,7 @@ exports[`SideBar SideBar custom demo works fine 1`] = `
         value="{{3}}"
       />
       <t-side-bar-item
-        badgeProps=""
+        badgeProps="{{Object {}}}"
         label="选项"
         value="{{4}}"
       />
@@ -1040,7 +1040,7 @@ exports[`SideBar SideBar switch demo works fine 1`] = `
       bind:change="onSideBarChange"
     >
       <t-side-bar-item
-        badgeProps=""
+        badgeProps="{{Object {}}}"
         disabled=""
         label="选项"
         value="{{0}}"
@@ -1056,7 +1056,7 @@ exports[`SideBar SideBar switch demo works fine 1`] = `
         value="{{1}}"
       />
       <t-side-bar-item
-        badgeProps=""
+        badgeProps="{{Object {}}}"
         disabled=""
         label="选项"
         value="{{2}}"
@@ -1072,7 +1072,7 @@ exports[`SideBar SideBar switch demo works fine 1`] = `
         value="{{3}}"
       />
       <t-side-bar-item
-        badgeProps=""
+        badgeProps="{{Object {}}}"
         disabled="{{true}}"
         label="选项"
         value="{{4}}"
@@ -1562,7 +1562,7 @@ exports[`SideBar SideBar with-icon demo works fine 1`] = `
       bind:change="onSideBarChange"
     >
       <t-side-bar-item
-        badgeProps=""
+        badgeProps="{{Object {}}}"
         icon="app"
         label="选项"
         value="{{0}}"
@@ -1578,7 +1578,7 @@ exports[`SideBar SideBar with-icon demo works fine 1`] = `
         value="{{1}}"
       />
       <t-side-bar-item
-        badgeProps=""
+        badgeProps="{{Object {}}}"
         icon="app"
         label="选项"
         value="{{2}}"
@@ -1594,7 +1594,7 @@ exports[`SideBar SideBar with-icon demo works fine 1`] = `
         value="{{3}}"
       />
       <t-side-bar-item
-        badgeProps=""
+        badgeProps="{{Object {}}}"
         icon="app"
         label="选项"
         value="{{4}}"
diff --git a/src/side-bar/_example/base/index.js b/src/side-bar/_example/base/index.js
index d76a03de2..c3e401f42 100644
--- a/src/side-bar/_example/base/index.js
+++ b/src/side-bar/_example/base/index.js
@@ -10,6 +10,7 @@ Page({
       {
         label: '选项选项选项选项',
         title: '标题',
+        badgeProps: {},
         items,
       },
       {
@@ -23,6 +24,7 @@ Page({
       {
         label: '选项',
         title: '标题',
+        badgeProps: {},
         items: items.slice(0, 9),
       },
       {
@@ -36,6 +38,7 @@ Page({
       {
         label: '选项',
         title: '标题',
+        badgeProps: {},
         items: items.slice(0, 3),
       },
     ],
diff --git a/src/side-bar/_example/custom/index.js b/src/side-bar/_example/custom/index.js
index 2acb0a6dc..e82d7481f 100644
--- a/src/side-bar/_example/custom/index.js
+++ b/src/side-bar/_example/custom/index.js
@@ -10,6 +10,7 @@ Page({
       {
         label: '选项选项',
         title: '标题',
+        badgeProps: {},
         items,
       },
       {
@@ -23,6 +24,7 @@ Page({
       {
         label: '选项',
         title: '标题',
+        badgeProps: {},
         items: items.slice(0, 9),
       },
       {
@@ -36,6 +38,7 @@ Page({
       {
         label: '选项',
         title: '标题',
+        badgeProps: {},
         items: items.slice(0, 3),
       },
     ],
diff --git a/src/side-bar/_example/switch/index.js b/src/side-bar/_example/switch/index.js
index a2216d130..32c83f80e 100644
--- a/src/side-bar/_example/switch/index.js
+++ b/src/side-bar/_example/switch/index.js
@@ -10,6 +10,7 @@ Page({
       {
         label: '选项',
         title: '标题',
+        badgeProps: {},
         items,
       },
       {
@@ -23,6 +24,7 @@ Page({
       {
         label: '选项',
         title: '标题',
+        badgeProps: {},
         items: items.slice(0, 6),
       },
       {
@@ -36,6 +38,7 @@ Page({
       {
         label: '选项',
         title: '标题',
+        badgeProps: {},
         disabled: true,
         items: [],
       },
diff --git a/src/side-bar/_example/with-icon/index.js b/src/side-bar/_example/with-icon/index.js
index 59fc58b44..e97470419 100644
--- a/src/side-bar/_example/with-icon/index.js
+++ b/src/side-bar/_example/with-icon/index.js
@@ -11,6 +11,7 @@ Page({
         label: '选项',
         title: '标题',
         icon: 'app',
+        badgeProps: {},
         items,
       },
       {
@@ -26,6 +27,7 @@ Page({
         label: '选项',
         title: '标题',
         icon: 'app',
+        badgeProps: {},
         items: items.slice(0, 9),
       },
       {
@@ -41,6 +43,7 @@ Page({
         label: '选项',
         title: '标题',
         icon: 'app',
+        badgeProps: {},
         items: items.slice(0, 3),
       },
     ],
diff --git a/src/stepper/__test__/__snapshots__/index.test.js.snap b/src/stepper/__test__/__snapshots__/index.test.js.snap
index 7eb2b40e0..d62273378 100644
--- a/src/stepper/__test__/__snapshots__/index.test.js.snap
+++ b/src/stepper/__test__/__snapshots__/index.test.js.snap
@@ -20,7 +20,7 @@ exports[`stepper event : input 1`] = `
         ariaLabel=""
         ariaRole=""
         class="t-icon class t-class"
-        style=""
+        style="color: inherit; font-size: inherit;"
         bind:tap="onTap"
       >
         <wx-label
@@ -58,7 +58,7 @@ exports[`stepper event : input 1`] = `
         ariaLabel=""
         ariaRole=""
         class="t-icon class t-class"
-        style=""
+        style="color: inherit; font-size: inherit;"
         bind:tap="onTap"
       >
         <wx-label
@@ -90,7 +90,7 @@ exports[`stepper event : input 2`] = `
         ariaLabel=""
         ariaRole=""
         class="t-icon class t-class"
-        style=""
+        style="color: inherit; font-size: inherit;"
         bind:tap="onTap"
       >
         <wx-label
@@ -128,7 +128,7 @@ exports[`stepper event : input 2`] = `
         ariaLabel=""
         ariaRole=""
         class="t-icon class t-class"
-        style=""
+        style="color: inherit; font-size: inherit;"
         bind:tap="onTap"
       >
         <wx-label
diff --git a/src/swipe-cell/swipe-cell.ts b/src/swipe-cell/swipe-cell.ts
index bd908486e..696fbc207 100644
--- a/src/swipe-cell/swipe-cell.ts
+++ b/src/swipe-cell/swipe-cell.ts
@@ -23,7 +23,6 @@ export default class SwiperCell extends SuperComponent {
     prefix,
     wrapperStyle: '',
     closed: true,
-    opened: false,
     classPrefix: name,
   };
 
diff --git a/src/swiper/swiper.wxml b/src/swiper/swiper.wxml
index 8ff2b14aa..13a4b5c6d 100644
--- a/src/swiper/swiper.wxml
+++ b/src/swiper/swiper.wxml
@@ -37,10 +37,10 @@
     wx:if="{{navigation}}"
     t-class="{{prefix}}-class-nav"
     type="{{navigation.type || 'dots'}}"
-    current="{{navCurrent}}"
-    total="{{list.length}}"
-    direction="{{direction}}"
-    pagination-position="{{paginationPosition}}"
+    current="{{navCurrent || 0}}"
+    total="{{list.length || 0}}"
+    direction="{{direction || 'horizontal'}}"
+    pagination-position="{{paginationPosition || 'bottom'}}"
     min-show-num="{{navigation.minShowNum || 2}}"
     show-controls="{{navigation.showControls || false}}"
     bind:navBtnChange="onNavBtnChange"
diff --git a/src/tab-bar-item/tab-bar-item.wxml b/src/tab-bar-item/tab-bar-item.wxml
index 32e3f63ff..b7a954622 100644
--- a/src/tab-bar-item/tab-bar-item.wxml
+++ b/src/tab-bar-item/tab-bar-item.wxml
@@ -17,11 +17,11 @@
     <view wx:if="{{icon}}" class="{{classPrefix}}__icon" style="height: {{iconOnly ? 24 : 20}}px">
       <t-badge
         wx:if="{{badgeProps.dot || badgeProps.count}}"
-        count="{{badgeProps.count}}"
+        count="{{badgeProps.count || 0}}"
         max-count="{{badgeProps.maxCount || 99}}"
-        dot="{{badgeProps.dot}}"
-        content="{{badgeProps.content}}"
-        size="{{badgeProps.size}}"
+        dot="{{badgeProps.dot || false}}"
+        content="{{badgeProps.content || ''}}"
+        size="{{badgeProps.size || 'medium'}}"
         visible="{{badgeProps.visible}}"
         offset="{{badgeProps.offset || [0,0]}}"
         t-class-count="{{prefix + '-badge-class'}}"
diff --git a/src/tab-bar/__test__/__snapshots__/demo.test.js.snap b/src/tab-bar/__test__/__snapshots__/demo.test.js.snap
index 73b0603f4..d644b718d 100644
--- a/src/tab-bar/__test__/__snapshots__/demo.test.js.snap
+++ b/src/tab-bar/__test__/__snapshots__/demo.test.js.snap
@@ -221,7 +221,7 @@ exports[`TabBar TabBar sub demo works fine 1`] = `
     theme="tag"
   >
     <t-tab-bar-item
-      subTabBar=""
+      subTabBar="{{Array []}}"
       value="home"
     >
       
@@ -229,7 +229,7 @@ exports[`TabBar TabBar sub demo works fine 1`] = `
   
     </t-tab-bar-item>
     <t-tab-bar-item
-      subTabBar=""
+      subTabBar="{{Array []}}"
       value="app"
     >
       
diff --git a/src/tab-bar/_example/sub/index.js b/src/tab-bar/_example/sub/index.js
index f2019356c..e3e406b1f 100644
--- a/src/tab-bar/_example/sub/index.js
+++ b/src/tab-bar/_example/sub/index.js
@@ -3,11 +3,13 @@ const list = [
     value: 'home',
     label: '首页',
     icon: 'home',
+    children: [],
   },
   {
     value: 'app',
     label: '应用',
     icon: 'app',
+    children: [],
   },
   {
     value: 'user',
diff --git a/src/tabs/tabs.wxml b/src/tabs/tabs.wxml
index ecd4282e1..1e9afd130 100644
--- a/src/tabs/tabs.wxml
+++ b/src/tabs/tabs.wxml
@@ -8,7 +8,7 @@
     t-class="{{_.cls(classPrefix + '__sticky', [placement])}}"
     disabled="{{ !sticky }}"
     z-index="{{ stickyProps.zIndex || '1' }}"
-    offset-top="{{ stickyProps.offsetTop }}"
+    offset-top="{{ stickyProps.offsetTop || 0 }}"
     container="{{ stickyProps.container }}"
     bind:scroll="onTouchScroll"
   >
diff --git a/src/toast/toast.wxml b/src/toast/toast.wxml
index 52def4aa0..9e417b32f 100644
--- a/src/toast/toast.wxml
+++ b/src/toast/toast.wxml
@@ -28,9 +28,9 @@
   </view>
 </view>
 <t-overlay
-  style="{{ overlayProps.style }}"
+  style="{{ overlayProps.style || ''}}"
   visible="{{realVisible && (showOverlay || preventScrollThrough)}}"
-  z-index="{{overlayProps.zIndex}}"
-  backgroundColor="{{preventScrollThrough ? 'transparent' : overlayProps.backgroundColor}}"
+  z-index="{{overlayProps.zIndex || 11000}}"
+  backgroundColor="{{preventScrollThrough ? 'transparent' : overlayProps.backgroundColor || ''}}"
   preventScrollThrough="{{preventScrollThrough || overlayProps.preventScrollThrough}}"
 />