diff --git a/docs/examples-docs/cell.md b/docs/examples-docs/cell.md
index 7256d2327..a2fc16453 100644
--- a/docs/examples-docs/cell.md
+++ b/docs/examples-docs/cell.md
@@ -69,18 +69,6 @@ export default {
 ```
 :::
 
-#### 带*号，标明必填
-
-传入`required`属性
-
-:::demo  带*号，标明必填
-```html
-<zan-cell-group>
-  <zan-cell title="单元格1" required></zan-cell>
-</zan-cell-group>
-```
-:::
-
 #### 标题带描述信息
 
 传入`label`属性，属性值为描述信息的值。
diff --git a/docs/examples-docs/toast.md b/docs/examples-docs/toast.md
index 731b57245..9cc8d7b65 100644
--- a/docs/examples-docs/toast.md
+++ b/docs/examples-docs/toast.md
@@ -38,9 +38,9 @@ export default {
         type: 'success',
         message: leftSec.toString()
       });
-      window.setInterval(() => {
+      const id = window.setInterval(() => {
         if (leftSec <= 1) {
-          window.clearInterval();
+          window.clearInterval(id);
           toast.message = '跳转中...'
           return;
         }
@@ -106,9 +106,9 @@ export default {
         type: 'success',
         message: leftSec.toString()
       });
-      window.setInterval(() => {
+      const id = window.setInterval(() => {
         if (leftSec <= 1) {
-          window.clearInterval();
+          window.clearInterval(id);
           toast.message = '跳转中...'
           return;
         }
@@ -134,10 +134,10 @@ import { Toast } from 'src/index';
 export default {
   methods: {
     showToast() {
-      this.toast = Toast('我是提示文案，建议不超过十五字~');
+      Toast('我是提示文案，建议不超过十五字~');
     },
     closeToast() {
-      this.toast.clear();
+      Toast.clear();
     }
   }
 };
@@ -212,5 +212,5 @@ export default {
 | forbidClick | 不允许背景点击 | Boolean  | false | true, false|
 | duration | 时长(ms) | Number  | 3000ms | -|
 
-### instanceOfToast.clear()
+### Toast.clear()
 关闭toast。
diff --git a/packages/cell/src/cell.vue b/packages/cell/src/cell.vue
index 26362c5c9..edc8a998c 100644
--- a/packages/cell/src/cell.vue
+++ b/packages/cell/src/cell.vue
@@ -1,7 +1,7 @@
 <template>
-  <a class="zan-cell" :href="url" @click="handleClick">
+  <a :class="['zan-cell', { 'zan-cell--required': required }]" :href="url" @click="handleClick">
     <div
-      :class="{ 'zan-cell__title': true, 'zan-cell__required': required }"
+      class="zan-cell__title"
       v-if="this.$slots.title || title"
     >
       <i v-if="icon" class="zan-icon" :class="'zan-icon-' + icon"></i>
@@ -14,8 +14,8 @@
       class="zan-cell__value"
       v-if="value || this.$slots.default"
       :class="{
-        'is-link': isLink,
-        'is-alone': !this.$slots.title && !title && !label
+        'zan-cell__value--link': isLink,
+        'zan-cell__value--alone': !this.$slots.title && !title && !label
       }"
     >
       <slot>
diff --git a/packages/toast/src/toast.js b/packages/toast/src/toast.js
index 8e6674b9b..eba907550 100644
--- a/packages/toast/src/toast.js
+++ b/packages/toast/src/toast.js
@@ -2,24 +2,17 @@ import Vue from 'vue';
 import merge from 'src/utils/merge';
 
 const ToastConstructor = Vue.extend(require('./toast.vue'));
-let toastQueue = [];
+let instance;
 
 const getInstance = () => {
-  if (toastQueue.length > 0) {
-    const instance = toastQueue[0];
-    toastQueue.splice(0, 1);
-    return instance;
-  }
-  return new ToastConstructor({
+  if (instance) instance.clear();
+
+  instance = new ToastConstructor({
     el: document.createElement('div')
   });
+  return instance;
 };
 
-const returnInstance = instance => {
-  if (instance) {
-    toastQueue.push(instance);
-  }
-};
 
 const removeDom = event => {
   if (event.target.parentNode) {
@@ -31,7 +24,6 @@ var Toast = (options = {}) => {
   const duration = options.duration || 3000;
 
   let instance = getInstance();
-  returnInstance(instance);
   instance.closed = false;
   clearTimeout(instance.timer);
   instance.type = options.type ? options.type : 'text';
@@ -77,4 +69,8 @@ Toast.fail = (options) => {
   }, options));
 };
 
+Toast.clear = () => {
+  if (instance) instance.clear();
+}
+
 export default Toast;
diff --git a/packages/toast/src/toast.vue b/packages/toast/src/toast.vue
index 0e9c89035..fff1f45e0 100644
--- a/packages/toast/src/toast.vue
+++ b/packages/toast/src/toast.vue
@@ -1,5 +1,5 @@
 <template>
-  <transition name="zan-toast">
+  <transition name="zan-toast-fade">
     <div class="zan-toast-wrapper" v-show="visible">
       <div class="zan-toast" :class="['zan-toast--' + displayStyle]">
         <!-- 只显示文字 -->
diff --git a/packages/zanui-css/src/cell.css b/packages/zanui-css/src/cell.css
index 66b45b17d..4f763f920 100644
--- a/packages/zanui-css/src/cell.css
+++ b/packages/zanui-css/src/cell.css
@@ -36,16 +36,6 @@
 
     @e title {
       float: left;
-
-      &.zan-cell__required {
-        &::before {
-          content: '*';
-          position: absolute;
-          left: -7px;
-          font-size: 14px;
-          color: #f44;
-        }
-      }
     }
 
     @e label {
@@ -59,15 +49,32 @@
       float: right;
       overflow: hidden;
 
-      @when link {
+      @m link {
         margin-right: 20px;
       }
 
-      @when alone {
+      @m alone {
         float: none;
       }
     }
 
+    @m required {
+      overflow: visible;
+
+      &::before {
+        content: '*';
+        position: absolute;
+        left: -7px;
+        font-size: 14px;
+        color: #f44;
+      }
+
+      .zan-cell__title {
+        float: none;
+        display: inline-block;
+      }
+    }
+
     .zan-icon-arrow {
       position: absolute;
       top: 50%;
diff --git a/packages/zanui-css/src/toast.css b/packages/zanui-css/src/toast.css
index d59361425..0ee5f2477 100644
--- a/packages/zanui-css/src/toast.css
+++ b/packages/zanui-css/src/toast.css
@@ -44,9 +44,13 @@
       }
 
       .zan-toast__text {
-        padding-bottom: 20px;
+        padding: 15px 0 20px;
         font-size: 14px;
       }
     }
   }
 }
+
+.zan-toast-fade-enter, .zan-toast-fade-leave-active {
+  opacity: 0;
+}