diff --git a/miniprogram/pages/index/index.ts b/miniprogram/pages/index/index.ts
index ed1bcc1..07ece35 100644
--- a/miniprogram/pages/index/index.ts
+++ b/miniprogram/pages/index/index.ts
@@ -935,6 +935,7 @@ Page({
         return { "color": "tomato", "content": "高风险" };
     },
 
+    //..
     id2resultAndDate(id: number) {
         for (var i in this.data.data_history) {
             for (var n of this.data.data_history[i])
@@ -974,6 +975,24 @@ Page({
 
     },
 
+    // 清空收藏，可以放在个性化里面，最好加个确认的选项
+    clearCollection(){
+        this.data.data_collect=[]
+        this.setData({
+            data_collect:this.data.data_collect,
+        })
+        this.save2storage()
+    },
+
+    //清空历史记录，可以放在个性化里面，最好加个确认的选项
+    clearHistory(){
+        this.data.data_history=[]
+        this.setData({
+            data_history:this.data.data_history,
+        })
+        this.save2storage()
+    },
+
     // 事件处理函数
     bindViewTap() {
         wx.navigateTo({
diff --git a/miniprogram/pages/index/index.wxml b/miniprogram/pages/index/index.wxml
index 1702827..648c47d 100644
--- a/miniprogram/pages/index/index.wxml
+++ b/miniprogram/pages/index/index.wxml
@@ -242,10 +242,10 @@
     <!-- 收藏的时候设置备注的输入框 -->
     <view id="star_setRemark">
         <view class="title">
-            <view>{{"输入备注，至多八字"}}</view>
+            <view>{{"输入备注，至多七字"}}</view>
         </view>
         <view class="input">
-            <input id="input_setRemark" bindinput='getInputRemark' placeholder="___________________" maxlength="8"/>
+            <input id="input_setRemark" bindinput='getInputRemark' placeholder="___________________" maxlength="7"/>
         </view>
         <view class="verify" bind:tap="add_collection">确认</view>
         <view class="cancel" bind:tap="exit_setRemark">取消</view>
@@ -253,10 +253,10 @@
 
     <view id="editRemark">
         <view class="title">
-            <view>{{"修改备注，至多八字"}}</view>
+            <view>{{"修改备注，至多七字"}}</view>
         </view>
         <view class="input">
-            <input bindinput='getInputRemark' placeholder="___________________" maxlength="8"/>
+            <input bindinput='getInputRemark' placeholder="___________________" maxlength="7"/>
         </view>
         <view class="verify" bind:tap="editRemark">确认</view>
         <view class="cancel" bind:tap="exit_editRemark">取消</view>